University of Minnesota
Center for Filtration Research
48th Review Meeting (October 9, 2015)
TSI Inc., Shoreview
St. Paul, Minnesota
(Host: Brian Osmondson)
Preliminary Program
FRIDAY, OCTOBER 9, 2015
7:30 a.m.
Continental Breakfast and Refreshments
8:00 a.m.
Tom Kennedy
CEO, TSI Incorporated
“Welcoming Remarks”
David Y.H. Pui
Director, University of Minnesota Center for Filtration Research
"CFR Research Overview"
8:40 a.m.
Technical Program Presentation (I): Invited Lectures
William Wilson
Former Senior Physical Science Advisor of US EPA
“From Total Suspended Particles to PM2.5 and On to? An Insider’s View”
Junji Cao
Executive Director of Institute of Earth Environment, Chinese Academy of Sciences
“PM2.5 Control in China; Construction of the SALSCS Demo-Unit in Xi’an”
9:30 a.m.
Refreshment Break
9:50 a.m.
Technical Program Presentation (II): PM2.5 and Gas Adsorption
Qingfeng Cao
“Numerical Modeling of SALSCS: Full-scale System and Xi’an Demo-Unit”
Qingfeng Cao, Minghua Huang, Wenquan Tao, D.Y.H. Pui
Chang Hyuk Kim
"Measurements of Outgassing from PM2.5 Samples Collected in Xi'an, China"
Chang Hyuk Kim, Shawn Chen, Jiamao Zhou, Junji Cao and David Y.H. Pui
"The Effect of Particle Deposition on The Adsorption of Granular Activated Carbons"
Chang Hyuk Kim and David Y. H. Pui
Min Tang
“PM2.5 Loading Characteristics of Commercial Indoor Electret HVAC and Air Cleaner Filters”
Min Tang, South China University of Technology
Shawn Chen and David Y. H. Pui
11:00 a.m.
Technical Program Presentation (III): Electret Filtration and Filter Modeling
Drew Thompson
“Modeling of Nanoparticle Penetration through Electret Filter Media”
Drew Thompson, Min Tang, Shawn Chen and David Y.H. Pui
Seungkoo Kang
“Numerical Simulation of Fibrous Media Efficiency and Comparison with the Single Fiber
Efficiency Theory”
Seungkoo Kang, Qisheng Ou, Shawn Chen, and David Y.H. Pui
11:40 a.m.
Lunch Break and CFR representatives’ Meeting; TSI Tour
1:20 p.m.
Technical Program Presentation (IV) Liquid-borne Particles Filtration
Doris Segets, University of Erlangen-Nuremberg
“Nanoparticles with controlled dispersity and surface properties for challenging ultrafiltration
membranes”
Sebastian Süß, Ahmed Mahmoud, Wolfgang Peukert and Doris Segets
University of Erlangen-Nuremberg
Shawn Chen, and David Y. H. Pui
Handol Lee
“Fundamental Study of Microfiltration and Ultrafiltration of Sub-100 nm
Nanoparticles– Experiments and Models”
Handol Lee, Shawn Chen and David Y. H. Pui
2:00 p.m.
Technical Program Presentation (V) Dust Loading and RH Effect
Qisheng Ou
“A general purpose filter tester and its application on studying temperature & humidity
effect on filter loading”
Qisheng Ou and David Y.H. Pui
Jing Wang, ETH Zurich and Empa, Switzerland
“Effects of Humidity and Types of Loading Particles on the Performance and Service
Life of Cabin Air Filters in Automobiles”
Xu He, Benjamin Brem, Yeon Kyoung Bahk, Yu-Ying Kuo, Jing Wang
Qiang Wang/Daren Chen, Virginia Commonwealth University
"Wall effect on the particle loading of pleated HVAC entrance filter panels"
Qiang Wang and Da-Ren Chen
"Evaluation of mask filter media under the simulated breathing conditions: Effect of
breathing frequency"
Qiang Wang and Da-Ren Chen
3:20 p.m.
Refreshment Break
3:40 p.m.
Technical Program Presentation (VI) Instrumentation and Calibration
David Kittelson
“Ultrafine Particles: How should they be defined and measured (cheaply)”
Jacob Swanson
“Filtration Efficiency and Pressure Drop of Miniature SCRoFs”
Jacob Swanson, Noah Bock, Kali Johnson, Will Northop, David Pui, David Kittelson,
Yuejin Li
Shawn Chen
“Measurement of dust dispersity by shadowgraph method—Direct image particle
analysis”
Shawn Chen, Seungkoo Kang and David Y. H. Pui
Wing Lai, TSI Inc.
Nanying (Leo) Cao
“Development of a Geometric Surface Area Monitor (GSAM) for Spherical and Agglomerate
Nanoparticles”
Leo Cao, Min Tang and David Y. H. Pui
Shigeru Kimoto
“Development of a CPC Calibration Method using the Wafer Surface Scanner (WSS))”
Shigeru Kimoto, George Mulholland, Miles Owen and David Y. H. Pui
5:15 p.m.
Center Planning Meeting
5:30 p.m.
Adjournment