Details
Date: 12th November 2025 (Wed)
Time : 6:45pm - 8:00pm (Registration at 6:30pm)
Venue : HJ302, The Hong Kong Polytechnic University (PolyU)
Programme Highlight:
Germicidal radiation produced by low pressure mercury vapor lamps and other sources is seeing increasing application both for air disinfection and for control of biological growth on surface. This presentation provides an overview of the fundamentals of ultraviolet germicidal irradiation (UVGI) including principles of operation, component characteristics, system types, applications, and published evidence of effectiveness.
Speakers:
William P. Bahnfleth, Ph.D., P.E., Distinguished Lecturer, ASHRAE
William Bahnfleth is a professor of architectural engineering at the Pennsylvania State University (Penn State) in University Park, PA. Previously, he was a Senior Consultant for ZBA, Inc. in Cincinnati, OH and a Principal Investigator at the U.S. Army Construction Engineering Research Laboratory in Champaign, IL. He holds a doctorate in Mechanical Engineering from the University of Illinois and is a registered professional engineer. At Penn State, Dr. Bahnfleth teaches undergraduate courses in HVAC fundamentals and design and graduate courses in chilled water systems and indoor air quality His research interests cover a wide variety of topics including chilled water systems, thermal energy storage, and indoor air quality with a focus on control of bioaerosols. He is the author or coauthor of more than 180 technical papers and articles and 15 books and book chapters.
Dr. Bahnfleth is a fellow of ASHRAE, the American Society of Mechanical Engineers (ASME) and the International Society for Indoor Air Quality and Climate (ISIAQ). He was ASHRAE Society President in 2013-14. He and chaired the ASHRAE Epidemic Task Force and chairs SSPC 241 Control of Infectious Aerosols. Dr. Bahnfleth’s ASHRAE awards include the Exceptional Service Award, the E.K. Campbell Award of Merit for teaching, the Donald Bahnfleth Environmental Health Award, the Standards Achievement Award , the Louise and Bill Holladay Distinguished Fellow Award, and ASHRAE’s highest honor, the F. Paul Anderson Award. He is also a recipient of the Penn State Engineering Alumni Society’s World-Class Engineering Faculty Award and a Distinguished Alumnus of the University of Illinois Department of Mechanical Science and Engineering.
Language:
English
CPD Certificate:
Only accepted registered participants with over 80% attendance will receive an electronic copy of CPD attendance certificate. 1 hour-CPD is provided for this seminar.
Registration & Enquiry:
The Seminar is free of charge and prior registration is required. For registration, please complete Registration Form in the following link: https://forms.gle/NaLFL9rspnKADMYK9
Successful participants are requested to attend the Seminar by their own. Application will be accepted on a first-come-first-served basis. Successful members will be informed by confirmation email one week before the event. Transfer or sharing of the registration is prohibited.
Registration will be done in the venue of the seminar.
For enquiry, please contact Mr. Andy YIU at 5396 2926 or email at andy-cm.yiu@arup.com
Original flyer can be downloaded here.