January 2012 - Refrigerants - 1.0 PDH

Post date: Nov 29, 2011 6:54:57 PM

Past, Present, and Future of Refrigerants

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In recent decades, the refrigeration and air conditioning sciences have been in a state of flux primarily because of the phase-out of ozone-depleting CFC and HCFC refrigerants, and secondarily because of environmental concerns related to the direct global warming impacts of some of the replacement refrigerants. Due to these concerns, there is significant worldwide interest in using substances that are naturally occurring in the biosphere as refrigerants, which are considered benign to the environment and are termed “natural working fluids”. Surprisingly, many of these substances were already used as refrigerants at the dawn of the refrigeration technology in the late 1800’s. Thus, when looking at the refrigerants of the future, it is essential to understand which substances have been used in past. This presentation provides a detailed review of the past and present refrigerants, and proposes refrigerants and their respective technologies that could be used in the future. An assessment of their characteristics related to choice of one versus another, and an identification of trends set by these choices will be made.

Dr. Eckhard A. Groll is a Professor of Mechanical Engineering and the Director of the Office of Professional Practice at Purdue University. Professor Groll teaches Thermodynamics and his research focuses on the fundamental thermal sciences as applied to advanced HVAC&R systems, components, and their working fluids. He serves as the Regional Editor for the Americas for the International Journal of Refrigeration and is a Fellow of the American Society of Heating, Refrigerating, and Air Conditioning Engineers (ASHRAE). Dr. Groll has been recognized for his academic leadership in higher education. He is a 2010-2011 Fellow of the American Council on Education (ACE) and participated in the Academic Leadership Program of the Committee on Institutional Collaboration (CIC-ALP) during 2009-2010. He has received numerous awards for his research and teaching excellence including the 2010 E. K. Campbell Award from ASHRAE and the 2007 Purdue University Faculty Scholar Award.

As always, our meetings are open to all comers: members, non-members, engineers and non-engineers! Please come and joins us!

Please RSVP by Tuesday, January 17!

Don't forget the time change on November 6!

Lunch Meeting - January 19

Cost: $15 (includes lunch)

Check-in: 11:30 am - Noon EST

Lunch/Program: Noon - 1:00 pm EST

Tippecanoe Place

620 W. Washington St.

South Bend, IN

Dinner Meeting - January 19

Cost: $20 (includes dinner and drinks)

Check-in: 5:30 pm - 6:00 CST

Dinner/Program: 6:00 - 8:30 pm CST

Dante's House of Pizza

1734 - 45th Avenue

Munster, IN 46321


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Tippecanoe Place

Dante's House of Pizza