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WG3: Measurement Techniques for the Number Concentration and Size Distribution of Ultrafines
Time:
Tuesday, 02/Sept/2025:
3:00pm - 4:30pm
Session Chair: Miikka Dal Maso Session Chair: Oliver F. Bischof
Location:Room Leonardo
Presentations
3:00pm - 3:15pm TU4-2: 1
Use of existing particle number periodic technical inspection (PN-PTI) devices to measure gasoline exhaust
Una Trivanovic1, Tobias Hammer1, Kevin Auderset1, Anastasios Melas2, Barouch Giechaskiel2, Konstantina Vasilatou1
1Particles and Aerosols Laboratory, Federal Institute of Metrology METAS, Bern, CH-3003, Switzerland; 2European Commission, Joint Research Centre (JRC), I-21027 Ispra, Italy
3:15pm - 3:30pm TU4-2: 2
Concurrent supersaturations of alcohols and water in a Condensation Particle Counter to enhance the detection of naturally charged 1 to 5nm flame-formed carbonaceous aerosols
Farnaz Khosravi1, Arantza Eiguren-Fernandez2, Gregory Lewis2, Francesco Carbone1
1University of Connecticut; 2Aerosol Dynamics
3:30pm - 3:45pm TU4-2: 3
PN Counting Down to 2.5 nm and up to 10e6 #/cm-3 by Combining Condensational Droplet Magnification with Diffusion Charging
Helmut Krasa1, Sebastian Schurl2, Victoria M. Fruhmann1, Martin Kupper1, Alexander Bergmann1
1Graz University of Technology, Institute of Electrical Measurement and Sensor Systems Austria; 2Graz University of Technology, Institute of Thermodynamics and Sustainable Propulsion Systems
3:45pm - 4:00pm TU4-2: 4
Sizing Accuracy of DMA Down to 10 nm with Silver Aerosols from the Silver Particle Generator (SPG)
