Conference Agenda

Overview and details of the sessions of this conference. Please select a date or location to show only sessions at that day or location. Please select a single session for detailed view (with abstracts and downloads if available).

Please note that all times are shown in the time zone of the conference. The current conference time is: 18th May 2024, 08:21:43pm BST

 
Only Sessions at Location/Venue 
 
 
Session Overview
Date: Saturday, 09/Sept/2023
9:00am - 9:15am6th Short Course: Welcome and Introduction
Location: ELG03
6th Short Course on CFD in Positive Displacement Machines
9:15am - 10:15amShort Course S1: Advances in Screw Machines technology
Location: ELG03
6th Short Course on CFD in Positive Displacement Machines
Session Chair: Dr. Sham Rane
Co-Chair: Neeraj Bikramaditya
 

Advances in Screw Machines technology

Ahmed Kovacevic

City, University of London, United Kingdom

 
10:15am - 10:30amCoffee Break
Location: ELG03
6th Short Course on CFD in Positive Displacement Machines
10:30am - 12:45pmShort Course S2: 1D and 3D CFD for Screw Machines
Location: ELG03
6th Short Course on CFD in Positive Displacement Machines
Session Chair: Dr. Sham Rane
Co-Chair: Neeraj Bikramaditya
 

Deforming Grid and CFD Modelling in Twin Screw Machines

Sham Rane

City, University of London, United Kingdom



Screw Machine Integrated models – SCORG & GT-SUITE

Gautham Ramchandran1, Marek Lehocky2, Nils Framke2

1Gamma Technologies LLC., United States of America; 2Gamma Technologies GmbH, Germany



Digital Twin and CFD with ANSYS

Bill Holmes

Ansys Canada Ltd., Canada

 
12:45pm - 2:00pmLunch Break
Location: ELG03
6th Short Course on CFD in Positive Displacement Machines
2:00pm - 5:00pmShort Course S3: Developments in Numerical Aspects and Modelling
Location: ELG03
6th Short Course on CFD in Positive Displacement Machines
Session Chair: Dr. Sham Rane
Co-Chair: Prof. Ahmed Kovacevic
 

Orthogonal Mesh Generation of Screw Compressors for Capturing Tip Leakage Flows

Peter Eiseman, Samuel James, Karan Baliga

PDC LLC, United States of America



Conjugated heat transfer analysis of an oil-free internally cooled twin screw compressor

Davide Ziviani1, David Rowinski2

1Purdue University, United States of America; 2Convergent Science, Inc., United States of America



New development and improvement of Simerics CFD software for compressor simulations

Hui Ding

Simerics Inc., United States of America



Coupled flow and vibro-acoustics simulations: Case study of a Rotary rolling piston compressor

Yangfan Liu, Davide Ziviani

Purdue University, United States of America

 
5:00pm - 5:15pmCoffee Break
Location: ELG03
6th Short Course on CFD in Positive Displacement Machines
5:15pm - 6:00pmDiscussion 1 – Forum 1
Location: ELG03
6th Short Course on CFD in Positive Displacement Machines
Session Chair: Prof. Ahmed Kovacevic
Co-Chair: Dr. Sham Rane
Date: Sunday, 10/Sept/2023
9:15am - 10:15amShort Course S4: Keynote
Location: ELG03
6th Short Course on CFD in Positive Displacement Machines
Session Chair: Dr. Sham Rane
Co-Chair: Neeraj Bikramaditya
 

Partitioned OpenFOAM solver for thermo-mechanical fluid-structure interaction

Zeljko Tukovic

University of Zagreb, Croatia

 
10:15am - 10:30amCoffee Break
Location: ELG03
6th Short Course on CFD in Positive Displacement Machines
10:30am - 12:45pmShort Course S5: Machine Learning
Location: ELG03
6th Short Course on CFD in Positive Displacement Machines
Session Chair: Dr. Sham Rane
Co-Chair: Neeraj Bikramaditya
 

Machine Learning in Fluid Mechanics

Miguel A. Mendez

von Karman Institute for Fluid Dynamics, Belgium



Physics-informed machine learning - Hype or new trend in computational engineering?

Matthias Möller

Delft University of Technology, Netherlands, The



The Potential of Machine Learning Approaches for Compressor Systems: Can machine learning be really useful for engineering design, analysis and operations?

Sathiskumar Ponnusami

City, University of London, United Kingdom

 
12:45pm - 2:00pmLunch Break
Location: ELG03
6th Short Course on CFD in Positive Displacement Machines
2:00pm - 3:50pmShort Course S6: Modelling flows in rotary machines – Applications
Location: ELG03
6th Short Course on CFD in Positive Displacement Machines
Session Chair: Dr. Sham Rane
Co-Chair: Yang Lu
 

ANSYS Forte Positive Displacement Compressor Enhancements and Comparisons between ANSYS CFX and ANSYS Forte

Scott Branch1, William Holmes2

1Trane Technologies/ Trane, United States of America; 2Ansys Canada Ltd, Canada



CFD Analysis of Leakage Flow in the Radial Tip Gap of a Roots Blower

Neeraj Bikramaditya

City, University of London, United Kingdom



Multi-phase screw pump

Shuaihui Sun

Xi'an University of Technology, China, People's Republic of

 
3:50pm - 4:40pmShort Course S7: Experimental topics related to PDM
Location: ELG03
6th Short Course on CFD in Positive Displacement Machines
Session Chair: Dr. Sham Rane
Co-Chair: Neeraj Bikramaditya
 

State of the art experimental techniques to study heat transfer and flow field in clearances of positive displacement rotary machines

Brijeshkumar Patel

City, University of London, United Kingdom

 
4:40pm - 5:00pmCoffee Break
Location: ELG03
6th Short Course on CFD in Positive Displacement Machines
5:00pm - 6:00pmDiscussion 2 – Forum 2
Location: ELG03
6th Short Course on CFD in Positive Displacement Machines
Session Chair: Prof. Ahmed Kovacevic
Co-Chair: Dr. Sham Rane
6:30pm - 8:00pmEarly registration: Evening drinks reception and early registration
Location: Pavilion
Date: Monday, 11/Sept/2023
9:00am - 9:30amRegistration
Location: OTLT Foyer
9:30am - 9:50amOpening Session: Conference Welcome
Location: B200
Session Chair: Prof. Ahmed Kovacevic
Co-Chair: Halil Lacevic

Conference will be open by Professor Elisabeth Hill, Deputy President at City, University of London

9:50am - 10:20amKeynote Session 1
Location: B200
Session Chair: Ivor Rhodes
Co-Chair: Halil Lacevic
 

Hydrogen Compression Challenges for Net Zero Targets

Ian M Arbon

Engineered Solutions, United Kingdom

Everyone is now familiar with Governments’ ambitions for ‘net zero’ greenhouse gas emissions by 2050 and many believe that Hydrogen will be a major building block to achieve this target. Whether or not this will be the outcome, the compressor industry needs to be prepared for major challenges in meeting the huge, anticipated demand in what has hitherto been a fairly niche market. This paper will examine the present levels of experience with hydrogen compression in six specific identified applications within the Hydrogen Value Chain (H2VC) and examine the main challenges facing further development of hydrogen compression to meet the Net Zero Targets in these areas.

The hydrogen compression market is currently dominated by low-speed process industry (API618) reciprocating compressors; these are very well proven on hydrogen but have relatively low volumetric flowrates and high capital cost. At smaller volumetric flowrates, new types of compressor are becoming available or are under development but the only alternatives for larger flowrates are centrifugal and rotary screw types, which have much greater swallowing capacity but have been little used in the past for pure hydrogen. Ian Arbon draws from his decades of experience in sustainable development, hydrogen compression and climate change mitigation/adaptation to examine the current state of play in the industry.

 
10:20am - 10:40amCoffee Break
Location: Pavilion
10:40am - 11:40am1A Screw Compressors
Location: B200
Session Chair: Dr. Sham Rane
Co-Chair: Neeraj Bikramaditya
 

Comparison of PV-diagrams between CFD and experimental results for twin-screw compressors

Jin Zhu, Vishnu Sishtla

Carrier Corp, United States of America

As technological advances emerge at breakneck speed, efficiency, and robustness of design drives innovation in the field of compressors, expanders, and pumps. At the core of such exploration rests the notion that experimental validation is needed to prove the concept and efficacy of novel designs. Unfortunately, due to limits in instrumentation and experimental setup, it is sometimes infeasible to grasp the physics behind complicated phenomenon solely through experimentation. Experimentation results can provide an incomplete picture which may in turn force an incomplete solution to be incorporated into the product design. Using an experimentally validated CFD model in conjunction with existing experimental results allows for an unexpurgated view of the broader system. One such instance of this problem is experimentally producing the pressure – volume (PV) diagram of a twin – screw compressor with an attached economizer. Due to instrumentation limitations caused by the geometry, the PV diagram is created by adjoining several pressure transducers placed along the female rotor. However, drawing a conclusion from this PV diagram is incomplete because comparing the result against the validated CFD model show that the pressure behavior exhibited in the experimentally created PV diagram is only local to the neighborhood of the pressure transducers, whereas the CFD model show that a continuous view of the compression process exhibits a smoother average pressure transition within the entire volumetric pocket. By combining experimental results along with the appropriate CFD model allows for a broadened understanding of the underlying physics that cannot be achieved solely through experimentation.



Influence of bearing and seal design on performance of an oil-injected screw compressor for refrigeration applications

Thibaud Plantegenet1, David Buckney2, Lihini Seneviratne2, Matthew Read1

1City, University of London, United Kingdom; 2Mayekawa UK Ltd, Glasgow

Screw compressors are key components in a range of refrigeration and air conditioning applications. It is essential that the design and operation of these systems is optimised to ensure energy efficiency and reliability. An important aspect of the compressor design is the choice of bearings used to support the twin helical rotors. These bearings must be capable of providing the reaction forces required to accurately locate the rotors across a defined range of inlet and discharge pressures for machines with a range of volume ratios and operating speeds. This paper explores the selection process for both rolling element and hydrodynamic bearings. The influence on compressor performance of these bearings can be defined in terms of the frictional power losses and required oil supply flow rates. Bearings can also have indirect influence on overall compressor efficiency, due to the potential introduction of leakage paths of process gas through low-pressure bearing oil drains. Therefore, additional sealing requirements for each bearing type are investigated, allowing an assessment of leakage flow and frictional power loss of bearing/seal systems and their influence on the overall performance of different compressor configurations in terms of energy efficiency, lifespan and maintenance requirements.



Simplified engineering calculation methods of the temperature distribution along the screw compressor rotors

Timur Mustafin1, Ruslan Yakupov1,2

1Kazan National Research Tehnological University, Russian Federation; 2Chelyabinsk Compressor Plant, Russian Federation

A purpose of a screw compressor experimental prototype development, rotor profiles design of optimization has many engineering problems. One of the main of them is trying to predict on this stage the compressor construction parameters, which are as close to the optimal as possible. Using of the compressor mathematical model for this aim sometimes is impossible, because of hardness of new mathematical model design and necessary of their accuracy checking. Therefor there is a necessary to have not only high-accuracy calculation tools, such as mathematical model, but also have some simplified engineering methods for the fast calculation of compressor parts’ conditions, which have enough accuracy for the first stage of the development at same time. These conditions also include the temperature field of the compressor rotors. The presented paper dedicated to the analyses of possibility to obtain approximation equations, which can be used for the calculation of the preliminary value of the screw compressor rotors’ temperature fields depending on the operation mode and construction parameters of the screw compressors

 
10:40am - 11:40am1B Scroll Compressors
Location: BG02
Session Chair: Dr. Ashvin Dhunput
Co-Chair: Yang Lu
 

Preliminary design and performance evaluation of micro scroll compressor used in refrigeration systems

Shuo Song, Yuanyang Zhao, Qichao Yang, Guangbin Liu, Liansheng Li

Qingdao University of Science and Technology, China

Micro refrigeration systems can be used in many applications. Micro scroll compressors have the potential for application in these refrigeration systems. With its miniaturization, the clearance and geometry parameters have become more influential in the performance of scroll compressors. In this paper, several three-dimensional flow models with different pitches, thicknesses, and leakage clearances are established. These models are designed by the control volume method with R134a as the working fluid. By using the CFD method, the temperature distribution, pressure distribution, and flow characteristics in the working chamber are analyzed. By comparing compressors with different pitches and thicknesses, the effect of pitch and thickness on the volumetric efficiency and isentropic efficiency is obtained. By changing the radial and axial clearances, the change trends of the efficiency are obtained. The results provide a reference for the design of micro scroll compressors.



A Study to Improve Efficiency of a Variable Speed Scroll Compressor

Mathew Pazhathara James, Alex Schmig, Joe Ziolkowski

Trane Technologies

A study using a 1D chamber model was done to improve isentropic efficiency of a variable speed scroll compressor and then testing was conducted to validate. It was noticed in the initial analysis that the economizer location, sizing, and timing optimization gave an efficiency improvement of 0.5% to 2.5% depending on the operating point. Since the economizer was optimized for location, area and timing or activeness, the back flow was reduced, hence the mass flow through the port and efficiency improved. A study with focus on speed resulted in an improvement in weighted efficiency to the tune of 4-6% . Investigating the effect on port delay showed, improvement was on a rising trend as the discharge port delay was increased until around 110 degrees and then efficiency started to decline. The improvements for different operating conditions were in the range of 2%-4%. An improvement in involute start angle also resulted in improvement in efficiency to the tune of 0.7% to 1.3% depending on the operating condition. Changing this parameter affected the structural integrity, hence not adapted.A new compressor was built with new economizer port geometry to understand the effect. The results were promising with variation in efficiency from -0.6% to 5.1% for different operating conditions investigated. Speed sweeps showed there are peak efficiency points, which can be used to decide the speed for operating condition.

 
10:40am - 11:40am1C Reciprocating Compressors
Location: BG03
Session Chair: Prof. Andreas Bruemmer
Co-Chair: Aleksander Krupa
 

Feasibility Study on Two Novel Lubricants for Carbon Dioxide Reciprocating Compressor

Xin Ding1, Justin Kontra2, Frank-Olaf Mähling2, Eckhard Groll1, Davide Ziviani1

1Herrick Laboratories, School of Mechanical Engineering, Purdue University, West Lafayette, IN, USA; 2Evonik Oil Additives Inc., Darmstadt, Germany

In recent years, increasing research efforts have been made on modeling and testing positive displacement compressors with low global warming potential (GWP) working fluids and their systems. The ongoing HFC phase-down is forcing the HVAC&R industry to investigate low-GWP refrigerant alternatives as well as natural refrigerants (e.g., water, hydrocarbons, CO2). The transition to low-GWP and natural refrigerants requires research efforts on cycle configurations and components including compressors. More specifically, most of the existing positive displacement compressors employed in HVAC&R systems rely on lubricant oils to ensure correct operation and performance. To better understand the potential research directions in lubricant oils, a reciprocating compressor with CO2 as refrigerant was selected as the case study to investigate alternative lubricant oil formulations. In this study, a baseline POE-68 and two alternative lubricant oils were evaluated on a transcritical CO2 reciprocating compressor with respect to performance enhancement and potential issues and challenges. A hot gas bypass test stand was used to carry out the experimental studies. A total of 66 steady-state data points were collected, and control tests were performed after each alternative oil formulation to ensure correct operation of the compressor. The alternative lubricant oils showcased comparable performance data to the baseline lubricant oil under a wide range of operating conditions without sign of decomposition.



Numerical analysis of the dynamic two-phase flow behavior in the ionic compressor with a novel H-shaped piston

Zekun Liu, Xiang Kang, Yun Li

Xi’an Jiaotong University, People's Republic of China

With the development of the hydrogen energy industry, it is crucial for hydrogen refueling stations that compressors can work efficiently and flexibly with a longer life span. Adopting ionic liquid as a liquid piston to compress hydrogen is a feasible method. The high stroke frequency of ionic compressor prevents the liquid piston from maintaining a stable shape, leading to the generation of the additional clearance volume and hydrogen sealing failure. In this article, a novel H-shaped piston was proposed and a 3d numerical model of an ionic compressor cylinder with it was established. The dynamic simulation of the two-phase fluid behavior in the cylinder during three cycles was performed using the volume of fluid method and the dynamic mesh technique. The effect of this piston on the variation of the two-phase interface and the clearance volume of the compressor has been discussed for optimizing the design of the ionic compressor. Results show that: the clearance volume of the cylinder with a H-shaped piston was smaller than that of the cylinder with a normal piston in all three compression cycles, which indicated that the higher volumetric efficiency could be obtained with the H-shaped piston. In addition, the application of the H-shaped piston allowed sufficient ionic fluid to be retained in critical sealing locations of the cylinder to keep hydrogen sealing and piston lubrication well.



Parametric analysis and investigations in crankshaft design for the reciprocating compressors

Atacan Oral1, Umar Ul Haque2, Ozgur Yalcin2, Ismail Lazoglu3

1Arcelik Central R&D, Turkey; 2Arcelik Compressor Plant, Turkey; 3Koc University

One of the most crucial parts of a reciprocating compressor is the crankshaft, which conveys the motion of the rotor to the piston via the connecting rod. The effect of the gas, friction and inertial forces on the journal bearings not only creates the vibration but also initiates the mechanical losses. Since the design parameters of the crankshaft play a vital role in the losses, in this study, the bearing and lubrication model of a reciprocating compressor was developed in an analysis software to investigate the effect of design parameters. The forces and the torques emerging on the compressor were calculated and in-directly validated with mechanical loss experimental studies. Afterward, a sensitivity analysis is made by sweeping varying design parameters, and vital parameters are identified for the crankshaft to reduce the bearing loads and mechanical losses. Finally, a crankshaft design that demonstrates lower bearing forces than the investigated geometry is proposed with the genetic algorithm. Keywords: Crankshaft optimization, genetic algorithm, bearing forces

 
11:40am - 12:00pmIndustry Talk - Platinum Sponsor Holroyd
Location: B200
Session Chair: Dr. Matthew Read
Co-Chair: Halil Lacevic
12:00pm - 12:30pmKeynote Session 2
Location: B200
Session Chair: Dr. Matthew Read
Co-Chair: Halil Lacevic
 

GreenSCIES – a smart local energy system in Islington that we hope to connect to City, University of London

Graeme Maidment

GreenSCIES, United Kingdom

GreenSCIES is a smart local energy system in Islington that integrates mobility heat and power and could provide low carbon and cost effective energy to the local community. It works by utilising renewable energy when it is abundant and sharing energy between buildings with complimentary demand. The scheme includes a data centre, City, University of London and a number of residential housing blocks with distributed energy centres built around heat pumps. The presentation will describe the scheme an analysis of different heat pump configurations – showing the importance of the heat pump CoP in the commercial viability.

 
12:30pm - 1:30pmLunch Break
Location: OTLT Foyer
1:30pm - 2:30pm2A Screw Compressors
Location: B200
Session Chair: Dr. David Buckney
Co-Chair: Hossein Keshtkar

Presentations of research papers

 

CFD Analysis of Leakage Flow in the Radial Tip Gap of a Roots Blower

Neeraj Bikramaditya, Sham Rane, Ahmed Kovacevic, Brijeshkumar Patel

City, University of London, United Kingdom



Thermodynamic properties of oil droplets impacting on chamber wall in oil-injected screw compressors

Di Yan1,2, Bo Peng1,2, Guo Xiao1,2

1Hubei Key Laboratory of Mechanical Transmission and Manufacturing Engineering, Wuhan University of Science and Technology, Wuhan, 430081, China; 2Key Laboratory of Metallurgical Equipment and Control Technology, Ministry of Education, Wuhan University of Science and Technology, Wuhan, 430081, China



Experimental investigation of the distribution of two-phase flow in oil-injected twin-screw compressors

Matthias Heselmann1, Andreas Brümmer1, Ulrich Dämgen2

1TU Dortmund University, Germany; 2BOGE KOMPRESSOREN Otto Boge GmbH & Co. KG, Germany

 
1:30pm - 2:30pm2B Working Fluid And System
Location: BG02
Session Chair: Dr. Thibaud Plantegenet
Co-Chair: Dr. Thibaud Plantegenet

Presentations of research papers

 

Analysis of R454B as a low-GWP refrigerant alternative for R410A in a vapor-injected rotary compressor

Tim Pfeiffer1,2, Amjid Khan1, Craig R. Bradshaw1

1Center for Integrated Building Systems, Oklahoma State University, Stillwater, OK 74075, USA; 2Technical University of Dresden, Dresden 01069, Germany



Compressor performance for varying compositions of high-glide mixtures R1233zd(E)/R1234yf and R1336mzz(Z)/R1234yf

Leon Philipp Martin Brendel1, Silvan N. Bernal1, Dennis Roskosch2, Cordin Arpagaus1, Andre Bardow2, Stefan S. Bertsch1

1OST - Easter Switzerland University of Applied Sciences, Switzerland; 2Energy and Process Systems Engineering, ETH Zürich, 8092 Zürich, Switzerland



Use of CFD and geometry optimization to improve the primary and secondary oil separation of a rotary vane oil flooded compressor

James Willie, Rumit Ganatra

CVS Engineering GmbH, Germany

 
1:30pm - 2:30pm2C Reciprocating Compressors
Location: BG03
Session Chair: Dr. Andy Pearson
Co-Chair: Aleksander Krupa

Presentations of research papers

 

Development of reduced order model for performance prediction of reciprocating compressor

Hosik Jeong1, Been Oh1, Dongwon Kim1, Kwongi Lee1, Hyungyul Kim3, Jongsoo Kim4, Gyungmin Choi2

1Graduate School of Mechanical Engineering, Pusan National University, Busan 46241, Republic of Korea; 2Department of Mechanical Engineering, Pusan National University, Busan 46241, Republic of Korea; 3LG Electronics Kitchen Appliance Lab., 391-2, Gaeumjeong-dong, Changwon, Gyeongnam, Republic of Korea; 4H&A R&D Center, LG Electronics Inc., 327-23, Kasan-dong, Geumchon-gu, Seoul 153-082, Republic of Korea



Numerical Investigation of the Effect of Cylinder Head Torque on Gas Leakage in Hermetic Compressors

Emin Övünç ŞENGÜN

Arçelik AŞ, Turkey



Numerical Analysis of a Vapor-Injected Reciprocating Compressor for a Multi-Evaporator Domestic Refrigerator/Freezer Application

Changkuan Liang, Haotian Liu, Davide Ziviani, James E. Braun, Eckhard A. Groll

Ray W. Herrick Laboratories, Purdue University Mechanical Engineering West Lafayette, IN, USA

 
2:30pm - 2:50pmCoffee Break
Location: Pavilion
2:50pm - 4:00pmPanel Session 1: Hydrogen
Location: B200
Session Chair: Dr. Gunther Machu
Co-Chair: Halil Lacevic
4:00pm - 4:15pmIndustry Talk - Gold Sponsor Howden
Location: B200
Session Chair: Dr. Matthew Read
Co-Chair: Halil Lacevic

Fraser Jardine, Lead Product Engineer

Graeme Hogarth, Package Manager 

4:15pm - 5:15pm3A Screw Compressors
Location: B200
Session Chair: Prof. Nikola Stosic
Co-Chair: Neeraj Bikramaditya

Presentations of research papers

 

Mesh generation for twin-screw compressors by spline-based parameterization using preconditioned Anderson acceleration

Ye Ji1,2, Matthias Möller2

1Dalian University of Technology, School of Mathematical Sciences, Dalian, 116024, China; 2Delft Institute of Applied Mathematics, Delft University of Technology, Delft, 2628CD, the Netherlands



Orthogonal Mesh Generation of Screw Compressors for Capturing Tip Leakage Flows

Samuel Ebenezer James1, Karan H Baliga1, Peter R Eiseman2

1Program Development Company LLC, Bangalore, India - 560037; 2Program Development Company, New York, United States - 10601



Two Way Coupling of CFD Conjugate Heat Transfer Simulation with Solid Thermal Expansion in a Twin Screw Compressor

Hui Ding, Haiyang Gao, Xiaonong Meng

Simerics Inc., United States of America

 
4:15pm - 5:15pm3B Scroll Compressors
Location: BG02
Session Chair: Dr. James Willie
Co-Chair: Yang Lu

Presentations of research papers

 

Experimental Testing of a Scroll Compressor with Two-phase Refrigerant Flows

Nicolas Leclercq1, Vincent Lemort1, Benedikt G. Bederna2

1University of Liège, Belgium; 2Technische Universität Dresden, Germany



Experimental Investigation And Advanced Exergy Analysis Of Different Factors That Can Affect Seasonal Performance In An R410A Chiller

Sugun Tej Inampudi1, Stefan Elbel1,2

1University of Illinois at Urbana-Champaign, USA; 2Creative Thermal Solutions, Inc., USA



Experimental Research of Pressure-Volume Diagrams in a Scroll Compressor at High Speed

Xiaowen Li1,2,3, Qiuhe Guo3, Yusheng Hu1,2,3, Huijun Wei1,2,3, Yi Liao1, Jia Yao2, Shuanglai Liu3

1State Key Laboratory of Air-conditioning Equipment and System Energy Conservation, Jinji West Rd., Zhuhai City, 519070, P. R. China; 2Guangdong Key Laboratory of Refrigeration Equipment and Energy Conservation Technology, Zhuhai 519070, P. R. China; 3Gree Electric Appliances, Inc. of Zhuhai, 519070, P. R. China

 
4:15pm - 5:15pm3C Other Compressor Types
Location: BG03
Session Chair: Prof. Christiane Thomas
Co-Chair: Dr. Thibaud Plantegenet

Presentations of research papers

 

CFD studies on ejectors configured with twisted circular profile lobed nozzle

Annamalai Mani2, Kharsade Sachin Angad1

1Department of Mechanical Engineering Indian Institute of Technology Madras, India; 2Department of Mechanical EngineeringIndian Institute of Technology Madras, India



Development and Performance Evaluation of a Micro Air Blower

Ahmed Mohamed Reda El Baz1, Mohammed Akmal Ammar2, Nabil Abdelaziz Mahmoud2, Abdelrahman Abdeldayem3, Abdelnaser Sayma3

1The British University in Egypt, Egypt; 2Ain Shams University, Egypt; 3City University of London, UK



Active Magnetic Bearings, Variable-Speed Centrifugal Air Compressors Suitable to Reduce Carbon Footprint, is it Really the Case?

Mihail Lopatin2, Timo Pulkki2, Igor Nagaev2, Ramdane LATEB1, Joaquim DA SILVA1

1SKF,Magnetic Mechatronics Saint Marcel, France; 2TAMTURBO OYJ, TAMPERE, FI-33100, FINLAND

 
6:30pm - 10:30pmConference Dinner
Location: Mansion House
Date: Tuesday, 12/Sept/2023
8:45am - 9:00amRegistration
Location: Pavilion
9:00am - 9:30amKeynote Session 3
Location: B200
Session Chair: Prof. Abdulnaser Sayma
Co-Chair: Halil Lacevic

 

Low Carbon Heating Solution via Heat Recovery with Heat Pump

Jin Yan

Danfoss Turbocor Compressor Inc., United States of America

In order to achieve CO2 neutrality, the shift is to replace those onsite fossil fuel-based sources with electric-driven heat pumps. Danfoss is working on a distributed heat recovery heat pump system. It can be applied in industrial manufacturing process, flue gas recovery, colocation data centers, supermarkets, food storage warehouses, biogas facilities, smaller wastewater, etc. These applications usually make use of both the cooling and the heating heat pump output, providing a dual revenue stream and resulting shortened payback period. Several of these examples are going to be discussed in he talk.

 
9:30am - 9:50amCoffee Break
Location: Pavilion
9:50am - 10:50am4A Screw Compressors
Location: B200
Session Chair: Prof. Eckhard A. Groll
Co-Chair: Neeraj Bikramaditya

Presentations of research papers

 

Investigating alternative rotor materials to increase displacement and efficiency of screw compressor while considering cost and manufacturability

Abhishek Kumar1,2, Kewal Patil3, Amey Kulkarni3, Sumit Patil2

1Centre for Compressor Technology, City, University of London, London, U.K.; 2Kirloskar Pneumatic Company Limited, Pune, India; 3Vishwakarma Institute of Information Technology, Pune, India



Investigation and Optimization of a Twin-Screw Compressor with Internal Cooling Channels

Abhignan Saravana1, Haotian Liu1, Nicholas Able2, James Collins2, Eckhard Groll1, Davide Ziviani1

1Purdue University, United States of America; 2Ingersoll Rand



Design of hobbing cutter for variable-pitch screw rotor

Yuan Hao1, TongLin Yao1, ChangFeng Liu1, Yue Shu2

1Compressor Department, Shanghai Marine Diesel Engine Research Institute, China; 2State Key Laboratory of Compressor Technology, Hefei General Machinery Research Institute, China

 
9:50am - 10:50am4B Scroll Compressors
Location: BG02
Session Chair: Prof. Vincent Lemort
Co-Chair: Yang Lu

Presentations of research papers

 

CFD Simulation of an Orbiting Scroll Bearing Hub

Scott Branch

Trane Technologies/ Trane, United States of America



Hybrid wrap-based shape optimization of a scroll compressor with deep reinforcement learning

Janggon Yoo, Daegyoun Kim

KAIST, Korea, Republic of (South Korea)



Numerical and experimental study of 120 ℃ heat pump using a scroll compressor.

Sandeep Koundinya, Jothilingam J, Satyanarayanan Seshadri, Rajendra Kumar Martin S

Indian Institute of Technology, Madras, India

 
9:50am - 10:50am4C Reciprocating Compressors
Location: BG03
Session Chair: Prof. Craig Bradshaw
Co-Chair: Dr. Thibaud Plantegenet

Presentations of research papers

 

INFLUENCE OF 3D PRINTED ELASTIC STRUCTURES ON THE PRESSURE PULSATIONS IN THE RECIPROCATING COMPRESSOR MANIFOLD

Damian Brewczynski, Kamil Chmielarczyk, Jarosław Błądek, Przemysław Młynarczyk

Cracow University of Technology, Poland



Experimental and Numerical Investigation of the Discharge Valve Limiter Geometric Features Change on Compressor Thermal Efficiency

Alperen Ekemen1,2, Ali Pinarbasi2, Caglar Sahin1, Aytunc Yildirim1

1Arcelik A.S. Central R&D, Istanbul, Turkey; 2Yildiz Technical University, Istanbul, Turkey



New Concept for Electrically Driven Air Compressors for Commercial Vehicles – General Layout and Indicator Measurements

Max Joswig, Konrad Klotsche, Thomas Mösch, Jörg Nickl, Christiane Thomas

Bitzer Chair of Refrigeration, Cryogenics and Compressor Technology, Technische Universität Dresden, Germany

 
10:50am - 11:20amKeynote Session 4
Location: B200
Session Chair: Dr. Sham Rane
Co-Chair: Halil Lacevic
 

Recent Innovation in Turbo-compressors

Markus Röhner

MAN Energy Solutions, Germany

Dr. Roehner will address recent innovations in Turbo-compressors and latest developments of axial flow compressors. Moreover he will cover the breadth of applications of integrally geared compressors and gives an insight into the CCUS application.

 
11:20am - 11:30amLightyear Foundation - breaking down the barriers to disabled children taking part in STEM
Location: B200
Session Chair: Dr. Sham Rane
Co-Chair: Halil Lacevic
11:30am - 12:30pmLaboratory Tour
Location: OTLT Foyer
Session Chair: Aleksander Krupa
12:30pm - 1:30pmLunch Break
Location: OTLT Foyer
12:30pm - 1:30pmPoster Presentations
Location: OTLT Foyer
Session Chair: Halil Lacevic
1:30pm - 2:30pm5A Screw Compressors
Location: B200
Session Chair: Dr. VENU MADHAV KUPPACHI
Co-Chair: Hossein Keshtkar

Presentations of research papers

 

Theoretical analysis of hydrodynamic water-lubricated plain bearings for high-speed applications

Sami Tuffaha1,2, Thomas Moesch1,2, Konrad Klotsche1, Christiane Thomas1

1Technische Universität Dresden, Germany; 2Comibtherm GmbH



A Novel Screw Compressor with a Shunt Enhanced Decompression and Pulsation Trap (SEDAPT)

Paul Xiubao Huang1, Sean Yonkers2, James WILLIE3

1Hi-Bar MC Technologies, LLC., United States of America; 2Hi-Bar Blowers, Inc., United States of America; 3CVS Engineering GmbH



Model Validation of Twin Screw Compressor with Optimized Injection Port for Unit Efficiency

Tasha Williams, Matthew Cambio

Trane Technologies, United States of America

 
1:30pm - 2:30pm5B Other Compressor Types
Location: BG02
Session Chair: Joseph Anthony Karnaz
Co-Chair: Yang Lu

Presentations of research papers

 

Numerical Simulation and Experimental Research of Multi-stage Roots Vacuum Pump

Kai Ma, Hongye Qiu, Dantong Li, Chongzhou Sun, Lantian Ji, Bingqi Wang, Weifeng Wu, Zhilong He

Xi'an Jiaotong University, China, People's Republic of



Measured reed valve dynamics of diaphragm pumps with laser Doppler vibrometer

Lukas Dür1, Andreas Egger1, Michael Lang1, Raimund Almbauer1, Ferdinand Cloos2, Fabian Brugger2

1Graz University of Technology, Austria; 2KNF Neuberger GmbH, Germany



Experimental Investigation of Oil Free Absorption-Compression Heat Pumps With Liquid Injection Screw Compressor for high Temperature Applications

Khalid Hamid

NTNU Norway, Norway

 
1:30pm - 2:30pm5C Other Compressor Types
Location: BG03
Session Chair: Dr. Thiago Dutra
Co-Chair: Aleksander Krupa

Presentations of research papers

 

Performance improvements of Scroll and Sliding Vane Expanders via a double intake port technology for ORC-based power units

Fabio Fatigati, Roberto Cipollone

University of L'Aquila, Italy



Numerical analysis of real fluid behavior effects on a sliding-vane compressor comprehensive model

Stefano Gianoncelli2, Andrea Genoni2, Ida Costanzo1, Stefano Murgia1, Abdullah Bamoshmoosh2, Gianluca Valenti2

1Ing. Enea Mattei SpA, Italy; 2Politecnico di Milano, Italy



CFD Simulation of Advanced Vapor Compressor for Seawater Desalination plants

Abdelnasser Mabrouk

Qatar Environment ad Energy Research Institute, HBKU, Qatar

 
1:30pm - 2:30pmOrganising Committee Meeting
Location: EM01
Session Chair: Prof. Ahmed Kovacevic

 

2:30pm - 2:50pmCoffee Break
Location: Pavilion
2:50pm - 4:10pm6A Compressor Lubricants
Location: B200
Session Chair: Ivor Rhodes
Co-Chair: Neeraj Bikramaditya
 

Study of lubricant compatibility with a low-GWP refrigerant as an alternative to R410A in a compressor test loop

Bong Seong Oh, Gilbong Lee, Bongsu Choi, Sun-Ik Na, Gyunchul Hur, Ho-Sang Ra, Junhyun Cho

Korea Institute of Energy Research, Korea, Republic of (South Korea)



Solubility and viscosity of variably miscible mixtures of refrigerant and lubricant

Anthony Barthel1, Andrew Sumner1,2, Haley Webster1,2, Matthijs Van De Wall1,2

1The Lubrizol Corporation; 2CPI Fluid Engineering



Compressor Designs, Lubricant Options and Refrigerant Selections: Putting the Puzzle Together

Joseph Anthony Karnaz

Shrieve Chemical Products LLC, United States of America



Characteristics and Lubricity of Refrigeration Oil for R290

Tomohiro Takaki, Masaki Kawaguchi, Makoto Ando, Yuya Mizutani, Yuji Shitara

ENEOS Corporation, Japan

 
2:50pm - 4:10pm6B Scroll Compressors
Location: BG02
Session Chair: Prof. Raimund Almbauer
Co-Chair: Aleksander Krupa
 

Integrated Optimisation of High-Speed Motor Drive and Compressor System: A Case Study

Xin Ding1, Carlos Castillo2, Steven Pekarek2, Davide Ziviani1

1Herrick Laboratories, School of Mechanical Engineering, Purdue University, West Lafayette, IN, USA; 2School of Electrical and Computer Engineering, Purdue University, West Lafayette, IN, USA



CFD Simulation Motion Analysis of an Orbiting Scroll Bearing Hub

Scott Branch

Trane Technologies/ Trane, United States of America



Experimental Comparison Into The Effect Of Oversized Heat Exchangers On Seasonal Performance Improvements Of A Two-Stage And A Variable Speed Compressor In An R410A Chiller

Sugun Tej Inampudi1, Stefan Elbel1,2

1University of Illinois at Urbana-Champaign, USA; 2Creative Thermal Solutions, Inc., USA



Application of 1D numerical transient compressor model to optimize performance of vapor injection heat pump system

Marek Lehocky, Nils Framke, Gautham Ramchandran, Arne Heinrich, Rodrigo Aihara

Gamma Technologies GmbH, Germany

 
2:50pm - 4:10pm6C Hydrogen Compression
Location: BG03
Session Chair: Prof. Ian M Arbon
Co-Chair: Yang Lu
 

Effects of oil compressibility on the thermal performances of diaphragm compressors used in the hydrogen refuelling station with a mathematical method

Yaling Zhao, Jiatong Zhang, Xueyuan Peng

Xi'an Jiaotong University, China, People's Republic of



Study of effects of hydraulic parameters on the motion of the free piston in ionic liquid compressors in hydrogen refuelling stations

Yi Jin, Jiacheng Jiang, Xueyuan Peng

Xi'an Jiaotong University, China, People's Republic of



Analysis and enhancement of heat transfer of the gas head cover of hydrogen diaphragm compressors

Shengdong Ren1, Xiaohan Jia1, Jiatong Zhang1, Jiacheng Jiang1, Xueyuan Peng1,2

1Xi'an Jiaotong University, China, People's Republic of; 2State Key Laboratory of Multiphase Flow in Power Engineering, Xi’an Jiaotong University No. 28 Xianning West Road, Xi'an 710049, China, People's Republic of



Hydrogen Compressors: a Few Technical Challenges

Enrico Scarpellini, Alessandro Traversari

CST - Compression Service Technology, Italy

 
4:10pm - 5:00pmIndustry Talks
Location: B200
Session Chair: Dr. Thibaud Plantegenet
Co-Chair: Halil Lacevic
 

High Temperature Heat Pumps, Hydrocarbon refrigerants, and appropriate lubricant selection for improved efficiency.

Manuel Muñoz-Alonso, Joe Karnaz

Shrieve Chemical, United States of America



Novel holistic approach for high-capacity high-pressure hydrogen compression

Georg Fahrthofer, Matthias Hofer, Maximilian Palir, Marcus Hofer, Matthias Kornfeld

HOERBIGER Wien GmbH, Austria



Nineteen Group - Air-Tech exhibition

Laura Parris

Nineteen Group

 
6:00pm - 11:00pmSocial Reception
Location: St Bart's Brewery
Date: Wednesday, 13/Sept/2023
8:30am - 9:00amRegistration
Location: Pavilion
9:00am - 9:30amKeynote Session 5
Location: B200
Session Chair: Prof. Ahmed Kovacevic
Co-Chair: Hossein Keshtkar
 

3D printing for compressor Design: Limitations and advantages

Kim Tiow Ooi

Nanyang Technological University, Singapore

The advancement of 3D printing technology has revolutionized many manufacturing processes. When utilizing this technique for compressor design, conventional approaches and thinking processes must be changed. In this talk, we will examine the limitations and advantages of using 3D printing techniques for compressor design. Compressors are intricate mechanical systems, and the design process is complex, requiring precise dimensional accuracy. However, 3D printing provides several benefits that make the design and manufacturing process more efficient, cost-effective, and customizable.

One of the primary advantages of 3D printing is the capability to produce highly detailed and intricate designs that are difficult to achieve with traditional manufacturing techniques. This enables designers to create compressors that are potentially more efficient, with improved performance. Additionally, it allows for the rapid creation of custom parts, reducing lead time and cost in the design and fabrication process. It also enables rapid prototyping and fabrication, leading to decreased lead times. Traditional manufacturing techniques necessitate expensive jigs, fixtures, and molds, whereas 3D printing may not necessarily require all these intermediate stages of processes.

During this talk, we will provide brief details on each of the available 3D printing techniques, their respective advantages, and disadvantages.

In conclusion, 3D printing has the potential to transform the design and manufacturing process of compressors. With the ability to create intricate designs, custom parts, and reduce lead times, along with cost savings and the use of various 3D printing technologies, the opportunities for utilizing this technology in improving compressor design and performance are highly promising.

 
9:30am - 9:50amCoffee Break
Location: Pavilion
9:50am - 11:30am7A Novel Machines
Location: B200
Session Chair: Prof. Kim Tiow Ooi
Co-Chair: Neeraj Bikramaditya
 

Demonstration of computationally efficient vapor injection optimization method for spool compressor

M. Mohsin Tanveer1, Craig R. Bradshaw1, Joe Orosz2, Greg Kemp2

1Center for Integrated Building Systems, Oklahoma State University, Stillwater, OK, 74078; 2Torad Engineering LLC, Cumming, GA, 30040



Theory and Test of Expansion Power Recycle of Rotary Cylinder Compressor

Yusheng Hu1,3, Huijun Wei1,2,3, Zhongcheng Du1,2,3, Liping Ren1,2,3, Zhi Li3

1State Key Laboratory of Air-conditioning Equipment and System Energy Conservation, Zhuhai, Guangdong 519070, China; 2Guangdong Key Laboratory of Refrigeration Equipment and Energy Conservation Technology; 3Gree Electric Appliances, INC. of Zhuhai, China



An investigation of internally-geared screw compressor performance using a chamber modelling approach

Halil Lacevic, Matthew Read

City, University of London, United Kingdom



Development of Numerical Grid and CFD Model for Analysis of Oil-injected IGSM

Sham Rane, Ahmed Kovacevic, Matthew Read

City, University of London, United Kingdom



Experimental study of conical rotary compressor for high pressure ratio application

Yang Lu, Nick Balodimos, Bryon Calder, James Adamson, Chris Bruce, David Noake, Nicol Low

Vert Rotors, United Kingdom

 
9:50am - 11:30am7B Working Fluid and System
Location: BG02
Session Chair: Dr. Matthew Read
Co-Chair: Aleksander Krupa
 

An Appraisal of the 1950 Festival Hall Heat Pump

Andy Pearson

Star Refrigeration Ltd, United Kingdom



Development of a Digital Twin of an Oil-flooded Screw Compressor Using Measurement Data and Numerical Simulations

Lukas Richter1,2, Michal Volf2, Matej Jerabek2, Zdenek Novotny3, Petr Salajka3

1ATMOS Chrast, Czech Republic; 2University of West Bohemia in Pilsen, Department of Power System Engineering, Czech Republic; 3Amitia, Czech Republic



Numerical simulation of twin-screw expander and its effect on the performance of ORC system

Lantian Ji, Zhilong He, Xiao Wang, Ziwen Xing

School of Energy and Power Engineering, Xi’an Jiaotong university. Xi'an, Shaanxi Province, China. 710049.



Development of a Residential Scale, Economized, Compressor Load Stand to Measure Compressor Performance Using Low GWP, Flammable Refrigerants

Amjid Khan, Craig Bradshaw

Center for Integrated Building Systems, Oklahoma State University, Stillwater, Oklahoma, United States of America



Sizing of Scroll and Rolling Piston Compressor for Low-Pressure Refrigerants in Residential Air Conditioning and Heat Pump Systems

Haotian Liu, Eckhard Groll, Davide Ziviani

Ray W. Herrick Laboratories, School of Mechanical Engineering, Purdue University West Lafayette, 47907-2099, USA

 
9:50am - 11:30am7C Noise and Vibration
Location: BG03
Session Chair: Prof. Stefan Elbel
Co-Chair: Dr. Thibaud Plantegenet
 

IN-LINE SPHERE ARRAYS AS PRESSURE PULSATION AND PIPELINE VIBRATION DAMPERS IN RECIPROCATING COMPRESSOR MANIFOLD

Przemysław Młynarczyk, Joanna Krajewska-Śpiewak, Damian Brewczyński, Kamil Chmielarczyk, Jarosław Błądek, Paweł Lempa

Cracow University of Technology, Poland



Multi-physical modeling of noise and vibration due to refrigerant discharge in hermetic compressors

Dazhuang He, Yidan Cui, Davide Ziviani, Yangfan Liu

Ray W. Herrick Laboratories, School of Mechanical Engineering, Purdue University, West Lafayette, IN, USA



Mitigation of Fluid-Induced Noise Generated by Discharge Flow in a Hermetic Rolling Piston Compressor

Yidan Cui, Dazhuang He, Davide Ziviani, Yangfan Liu

Purdue University, United States of America



Prediction of pressure pulsation damping efficiency with the use of shaped nozzles based on their geometrical parameters

Joanna Krajewska-Śpiewak, Damian Brewczyński, Przemysław Młynarczyk

Cracow University of Technology, Poland



Acoustic and Energy Efficiency Analysis of Alternative Geometries of Plastic Suction Muffler

Merve Baykal, Nuri Onur Çatak

ARCELİK A.Ş., Turkey

 
11:30am - 12:30pmPanel Session 2: Sustainable Industrial Heating
Location: B200
Session Chair: Dr. Andy Pearson
Co-Chair: Halil Lacevic
12:30pm - 1:30pmLunch Break
Location: OTLT Foyer
1:30pm - 2:20pmUpdates: City, University of London
Location: B200
Session Chair: Ivona Ivkovic-Kihic
Co-Chair: Halil Lacevic
 

Inauguration of the ESaNZ “Energy, Sustainability and Net-Zero Research Centre (ESaNZ)”

Abdulnaser Sayma

City, University of London, United Kingdom



CERES Consortium (Compressors and Expanders in Future Energy Systems)

Ahmed Kovacevic

City, University of London, United Kingdom

 
2:20pm - 3:10pmPanel Session for students
Location: B200
Session Chair: Hossein Keshtkar
Co-Chair: Halil Lacevic
3:10pm - 3:30pmAwards Ceremony and Conference Closing Session
Location: B200
Session Chair: Prof. Ahmed Kovacevic

 
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