Conference Agenda

A Predictive Heat Pump Water Heater Controller in a Residential Building: A Field Study

Levi D. Reyes Premer, Leo Semmelmann, Elias N. Pergantis, Eckhard A. Groll, Davide Ziviani, Kevin J. Kircher

Adaptive Model Control of Residential Solar-Air Source Hybrid Heat Pumps Water Heating System

Zihao Zhao, Baolong Wang

A Dynamic Modeling Framework for High-Performance Heat Pumps and Controls Evaluations

Jiazhen Ling, Jermy Thomas, Kyle Benne, David Blum

Performance Evaluation of Ground-source Integrated Heat Pump for Residential Net-zero Energy Buildings

Dong Soo Jang, Harrison M. Skye

A Data-driven AFDD Approach Using Acoustic Emission In Building HVAC Systems

Jiajing Huang, Zhiyao Yang, Guowen Li, Teresa Wu, Zheng O'Neill, Jin Wen, K. Selcuk Candan

Learning the Thermal Dynamics of a Residential Building from Limited Data

Elias N. Pergantis, Jaewon Park, Priyadarshan Priyadarshan, Trevor J. Bird, Davide Ziviani, Kevin J. Kircher

Physics-based Dynamic Bayesian Network For Fault Detection And Diagnostics In Building HVAC Systems

Dongyu Chen, Yiyuan Qiao, Qun Zhou Sun

Automatic Construction of an Efficient Air Conditioner Using GraPHsep Method

Mengdi Cui, Baolong Wang, Yuzheng Ying, Falin Wei

Performance Comparison of a Residential Split-System Heat Pump Powered on AC versus DC Power

Aaron Harron Patrick Farha, Davide Ziviani, Kevin James Kircher, Eckhard A. Groll

Towards Efficient and Cost-Effective Heating and Cooling through Single-Split Air Conditioners as Hybrid Solutions in Existing Buildings

Katharina Theresa Breuer, Christian Vering, Dirk Müller

Experimental Assessment of the Effect of Refrigerant Charge Levels on Variable-Speed Heat Pump Performances

Philani Gift Hlanze, Jie Cai, Donghun Kim

Development of Defrost Controller Platform for Commercial Rooftop Heat Pump Units

Julfikar Ali, Rana Siddharth, Aaron Alexander, Christian K. Bach

Insights Gained From The Experimental Testing Of A Rooftop Unit Under Frosting Conditions

Hamid Ikram, Tauseef Ismail, Rana Siddharth, Julfikar Ali, Aaron Alexander, Christian Bach

Optimization and Experimental Validation of Annular Finned PCM-HX for a Domestic Hot Water Heater Application

Tanjebul Alam, Jangho Yang, James Tancabel, Jan Muehlbauer, Yunho Hwang, Vikrant Aute

Numerical Analysis Of An Off-Grid Cold Room With Latent Thermal Energy Storage For Food Preservation

Gianluca Slaviero, Dario Traverso, Franco Traverso, Marco Noro, Claudio Zilio, Simone Mancin

Reversible Heat Pump - Organic Rankine Cycle Systems With Zeotropic Fluid Mixtures For Enhanced Performance – Experimental And Simulative Results From A Pilot Plant

Maximilian Weitzer, Martina Moderegger, Lukas Metzner, Sebastian Kolb, Jürgen Karl

Slanted Stages Design: A Numerical Approach to Enhancing Multiple PCMs melting in a Shell and Tube Unit

Amr Kotb, Sophie Wang

Development & Experimental Validation of a Generalized Resistance-Capacitance Model for Numerical Simulation of Phase-Change Material Embedded Heat Exchangers

Mylena Menezes, James Tancabel, Daniel Bacellar, Vikrant Aute

Preliminary Test on Moisture Transfer of Flat Sheet Membrane-based Dehumidification System

Hye-Jin Cho, Seong-Yong Cheon, Soo-Jin Lee, Jae-Weon Jeong

Thermodynamic Analysis of Cascade Vacuum Pump Based Membrane Dehumidifier in Air Conditioning System

Seong-Yong Cheon, Hye-Jin Cho, Jae-Hee Lee, Sang-Hwan Park, Jae-Weon Jeong

Energy-Saving Potential of a Dual-Module Humidity Pump for Residential and Commercial Air Conditioning

Songhao Wu, Anand Balaraman, Andrew Fix, Jinwoo Oh, James E. Braun, David M. Warsinger

Development and Characterization of Nanocomposite Membranes for Next-Generation Air Dehumidification Technologies

Setareh Heidari, Ansh A. Mishra, Maria Augusta Correa Martins, Jinwoo Oh, Anand Balaraman, MD Ashiqur Rahman, Davide Ziviani, James E. Braun, David M. Warsinger

A Comprehensive Sizing Analysis Using an Effectiveness-NTU Framework for Vacuum Membrane Dehumidification Systems

Md Ashiqur Rahman, Andrew J. Fix, Jinwoo Oh, James E. Braun, David M. Warsinger

Numerical Investigation of a Membrane-Integrated Heat Pump for Industrial Drying

Junyan Ren, Makena Thompson, David M. Warsinger, Davide Ziviani

Review of Thermal Management Systems in Electric Vehicles

Mina Michel Kamel Mikhaeel, Wulfer de Bruijn

Comparison and Evaluation of Injector structures for Air Conditioning systems in Electric Cars

Joerg Aurich, Rico Baumgart

Investigation of Rotary Piston and Swing Compressor Concepts with Medium Pressure Injection for Electrified Vehicles

Rico Baumgart, Joerg Aurich, Frank Hohmann, Rico Resch

Effects Of Metal Foam Heat Sink For The Immersion Battery Cooling System

Hongseok Choi, Hoseong Lee

Experimental Study On Battery Cooling/Preheating Using Heat Pipe-assisted Hybrid Fin Under Extreme Conditions

Yongjoo Jun, Hoseong Lee

Application of a Novel Three-Dimensional Structure Pulsating Heat Pipe to Relieve Internal Heat Bottlenecks in EV Batteries

Jongmin Jung, Yongseok Jeon

Automated Optimization of Variable Back-Pressure of Scroll Compressors Across the Entire Operation Envelope

Christian Busch, Markus Öttl

Numerical Study on the Performance Characteristics and Pressure Pulsation of the Electric Scroll Compressor

Kai Ma, Zhilong He, Dantong Li, Minglong Zhou, Wenqing Chen

Investigation of Variable Wall-thickness Scroll Compressor Geometries for EV Heat Pump Applications

Xin Ding, Haotian Liu, Davide Ziviani, Eckhard Groll

Study on the Asymmetric Thermodynamic Process of an EV Scroll Compressor

Zibo Zhao, Jianhua Wu, Shuai Zhang, Che Wang, Jiajing Li

Enhancing Efficiency and Reducing Carbon Footprint in Centrifugal Air Compressors with active magnetic bearings: High-Speed Operation for Specific Energy

Ramdane Lateb, Joaquim Da Silva, Juha Lammi, Mihail Lopatin, Olli Kuismanen, Igor Nagaev

Thermal Analysis of a Twin Screw Vacuum Pump using CFD Model

Sham Ramchandra Rane, Ahmed Kovacevic, Khurram Akhtar, Christopher White

Design of Axial Active Magnetic Bearing with High Load Capacity for Low Pressure Centrifugal Chiller

Shih-Ying Chiang, Chao-Yun Chen, Kuo-Shu Hung

Semi-Supervised Learning Algorithm for Running-in Analysis on Compressors

Jonatan Leandro Machado, Gabriel Thaler, Rodolfo César Costa Flesch, João Paulo Zomer Machado

Thermophysical Property Model of Lubricant Oils and Their Mixtures with Refrigerants

Xiaoxian Yang, Markus Richter

Modeling and Experimental Validation of the Thermophysical Properties of a POE+R1233zd(E) Mixture

Nicolas Leclercq, Katharina Stöckel, Christiane Thomas, Vincent Lemort

Study of R-1336mzz(Z), R-1336mzz(E), and R-1233zd(E) Stereoisomerization at Elevated Temperatures

Stephen Kujak, Morgan Herried Leehey, Christopher Collins

Development of Prognostic Machine Learning Models for Thermophysical Properties Predictions of Nanodiamond-Based Nanolubricants

Ammar Bahman, Emil Pradeep, Zafar Said, Prabhakar Sharma

On the design of Latent Thermal Energy Storage Solutions for Buildings: from Materials to Applications

Dario Guarda, Giacomo Favero, Gianluca Slaviero, Giulia Righetti, Claudio Zilio, Luca Doretti, Simone Mancin

Effect of Liquid Fraction Sensing Accuracy on the Performance of a Smart Energy Management System for Residential Heat-Pump Heating with Latent Thermal Energy Storage

Carolina Mira-Hernandez, Simone Mancin

Pressure Sensor for State of Charge Measurements in Latent Thermal Energy Storage (P-SOC)

Joseph Rendall, Achutha Tamraparnia, Zhenglai Shen, Diana Hun, Som Shrestha

Experimental Investigation and Performance Characterization of PCM Integrated Finned Tube Heat Exchanger for Building Heating and Cooling Applications

Achutha Tamraparni, Joseph Rendall, Zhenglai Shen, Diana Hun, Som Shrestha

Feasibility of Gravity Batteries in Residential Homes: A Case Study

Caden L Jarausch, Thomas B Avery, Enrico Setiawan, Andreas J Hoess, Haotian Liu, Eckhard A Groll

Modelling And Simulation Of A Carnot Battery Coupled To Seasonal Underground Stratified Thermal Energy Storage For Heating, Cooling And Electricity Generation.

Aitor Cendoya, Frederic Ransy, Vincent Lemort, Andres Hernandez, Pierre Dewallef, Pierre-Henri Gresse, Jacques Windeshausen

Energy Efficiency Improvement Approaches in Ice Related Processes

Praveen Cheekatamarla, Hongbin Sun

Refrigeration System Performance Assessment for Food Processing and Storage

Andy Pearson

Energy-saving Control Method of NH3-CO2 Cascade Refrigeration System Driven by a Hybrid Mechanism-based and Data-based Approach

Yiwei Feng, Chuang Wang, Shengli Qu, Yanpeng Li, Dawe Ren, Ziwen Xing

Performance Comparison of a Centrifugal Shipboard Chiller using R-134a and a Low-Global Warming Potential Replacement

Patrick Gresh-Sill, Florin Iancu, Brian M. Fronk

Computational Study of Thermal Performance Enhancement in High-energy Density Data Center through Immersive Liquid Cooling

Jeebeom Kim, Hoseong Lee

SAFT-Based Refrigerant Property Models Accounting For Polarity

Ian Bell

Refining Equation Of State Models For Refrigerant Mixtures Around The Critical Temperature Of One Component.

David Grundy, Clare Skae, Chris Seeton, Bob Low

Enhancing Thermodynamic Data Quality for Refrigerant Mixtures: Domain-Informed Anomaly Detection and Removal

Christopher Laughman, Vedang Deshpande, Ankush Chakrabarty, Hongtao Qiao

Computationally Efficient Property Calculation for Mixed Refrigerants Using Weighted Piecewise Polynomial Regression

Abdulmumin Olamilekan Olaoke, Baojie Mu, Yaoyu Li

Chemical Stability of HFO and HCO Refrigerants

Morgan Herried Leehey, Stephen Kujak, Christopher Collins

A Simultaneous Approach for Heat and Cold Production Enabled by Heat Pump and Latent Thermal Energy Storage

Xiaoxue Kou, Ruzhu Wang

Studying The Solidification Process Of Salt Hydrates Via X-ray Computed Tomography

Dario Guarda, Jorge Martinez-Garcia, Benjamin Fenk, Damian Gwerder, Anastasia Stamatiou, Jörg Worlitschek, Simone Mancin, Philipp Schuetz

A Dynamic Model of Refrigerator with Energy Storage for Demand Flexibility

Yanfei Li, Zhiming Gao, Philip Boudreaux, Kashif Nawaz

Heat Pumps with Integrated Thermochemical Energy Storage for Electricity Load Levelling

Allannah Duffy, Alper Saygin, Srinivas Garimella

Grid Independent High Efficiency Heating System for Buildings

Sandeep Alavandi, Hamid Abbasi, David Cygan, John Wagner, Joseph Pondo, Vitaliy Gnatenko

Leveraging System Simulation to Support the Design of a Reversible Heat Pump

Adrien Réveillère, Zhequan Jin

Toward Virtual Product Development of the Heat Recovery VRF Heat Pump System Using an Object-Oriented, Open Platform Language

Noma Park, Jin-Min Cho, Han-Won Park, Hoon-Bong Lee, Min-Jae Kwon, Man-Soo Park, Saikee Oh

Heat Transfer Modeling in Server Refrigeration: A Transient Box Model Approach.

Jordi Vera, Carles Oliet, Deniz Kizildag, Joaquim Rigola, Assensi Oliva, Oriol Sanmartí

A Physics-Constrained Data-Driven Modeling Approach for Vapor Compression Systems

Jiacheng Ma, Hongtao Qiao, Christopher Laughman

Compact Modeling of Compressed Air Distribution Network for Usage Forecasting and Energy Optimization

Kazuaki Yazawa, Greg Laorange, Mark Voorhis, Ali Shakouri

Reduced-dimension Bayesian Optimization for Calibrating Dynamic Models of Vapor Compression Cycles

Jiacheng Ma, Donghun Kim, James E. Braun

Prediction of Reed Valve Velocity Impact

Igor L. L. P. Silva, Artur D. Favera, Claudio J. Santos, Cesar J. Deschamps

Dynamic Reed Valve in Rolling Piston Compressor: A 3-Dimensional Transient CFD Simulation

Nirav Chaudhari, Chinmoy k Mohapatra, Hui Ding, Haiyang Gao

Ultra-Thin Reed Valves For Higher Energy Efficiency And Noise Reduction In Compressors

Muhammad Waqas Tofique, Dipankar Sarkar, Alexander Löf, Chris Millward

Reed Valve Simulation Using 3D High-order Finite Volume and Finite Element Methods

Pablo Castrillo, Eugenio Schillaci, Joaquim Rigola

Evaluation of Flapper Valves Using an Impact Testing Machine that Simulates Operating Condition

Tsutomu Nozaki, Ryota Iijima, Shuhei Nagata, Kazuhiro Yamamura, Hiroyoshi Fujihara

Material Compatibility of Seal Materials with Low GWP Refrigerants and Lubricant

Cameron Robaczewski, Morgan Herried Leehey, Zachary DeDeker

Material Compatibility of Polymers with Low GWP Refrigerants and Lubricant

Cameron Robaczewski, Morgan Herried Leehey, Zachary DeDeker

Material Compatibility of Motor Materials with Low GWP Refrigerants and Lubricant

Cameron Robaczewski, Morgan Herried Leehey, Zachary DeDeker

Influence of Suction Conditions and Refrigerant Fluid on Scroll Compressor Mass Flow Rate and Extrapolation Strategies

Javier Marchante-Avellaneda, Rubén Ossorio, Emilio Navarro-Peris, Som S. Shrestha

Oil Temperature Characterisation in a Direct Suction Scroll Compressor

Nicolás Gómez Parada, Francisco Barceló Ruescas, José Gonzálvez Maciá

Flow Visualization Of Injection Process Of R134a Scroll Compressor

Inchan Hwang, Sangwook Lee, Giulia Lombardo, Stefano Rossi, Davide Menegazzo, Laura Fedele, Sergio Bobbo, Min Soo Kim

Estimation of Oil Circulation Ratio in a Vapor Compression System using a Discharge Side Oil Separator

Syed Angkan Haider, Christopher Seeton, Nenad Miljkovic, Stefan Elbel

The Compatibility studies of the Building Blocks of Refrigerant Blends with Lubricants and Components of the Automotive AC System Materials Applications

Rusul Alrubaay, Chris Seeton, Ira Saxena

Modeling of Flashing Flows at Evacuated Sampling Cylinder Entrance during Oil Circulation Ratio Measurements for a Vapor Compression System

Syed Angkan Haider, Nenad Miljkovic, Stefan Elbel

Experimental Investigation on Foaming Factors and Foaming Characteristics of Oil/Refrigerant Mixtures

Yuto Kato, Mitsuhiro Fukuta, Masaaki Motozawa, Satoshi Goto, Tomohiro Takaki

Study on Oil Behavior at Branch of Suction Line in Automotive Refrigeration Cycle

Taiki Onishi, Mitsuhiro Fukuta, Masaaki Motozawa

An Empirical Data-Driven Model for Energy Consumption Prediction of a Heat-Pump-driven Liquid-Desiccant Air-Conditioning system

Jae-Hee Lee, Minseong Kim, Ha-Youn Cho, Jae-Weon Jeong

Feasibility of a Mist-atomization Liquid Desiccant Dehumidifier

Soo-Jin Lee, Seheon Kim, Su-Yeon Hong, Yingdao Nan, Jae-Weon Jeong

Comparison of Electrically-driven Dehumidification Technologies for Separate Sensible and Latent Cooling Systems

Ananthakrishnan K, Anurag Goyal

Performance Analysis of a Dual-Module Humidity Pump for Efficient Drying and Dehumidification

Jinwoo Oh, Andrew J Fix, Davide Ziviani, James E Braun, David M Warsinger

Applicability Evaluation of Active Anti-Condensation Materials Using Thermoelectric Technology in Building Systems

Minseong Kim, Yong-Kwon Kang, Beom-Jun Kim, Taeyeon Kim, Jae-Weon Jeong

Investigation On The Effective Use Of Glide And A Suction-line Liquid-line Heat Exchanger To Improve Performance In Air Conditioning And Heat Pump

Bruno Yuji Kimura de Carvalho, Ankit Sethi, Wissam Rached

The Mother & Father Hybrid Compression Technology, A Possible Solution For Future Clean Energy Production

Mihail-Dan Staicovici

Synergic Coupling Of Mother & Father Hybrid Compression Sub-Ambient Power (SAP) Cycles With Existing Ambient Power (AP) Cycles For Electrical Efficiency Increase

Mihail-Dan Staicovici

Modeling Scroll Compressor Performance with Different Refrigerants

Andrew L. Hjortland, Roy R. Crawford

New Understanding of Precession-Rolling-induced Oil Film Pressure in Thrust-Slide Bearings in Scroll Compressors

Keiko Anami, Masaru Tanaka, Kenichi Sata, Hideki Matsuura, Yukiko Maejima, Kosuke Nishimura, Kanetaka Miyazawa

An Integrated Workflow for Addressing Performance, Dynamics, Tribological and NVH Issues in Scroll Compressors

Rodrigo Aihara, Sibi Kandasamy, Rifat Keribar, Ali Afshari, Zhiqiang Wang, Chao Ma, Dejun Song

Floating Scroll Pump For Oil-Free Multi-Phase Flow Application

Dave Cai, Oliver Ni