Seminar 20 -- Low GWP Solutions for Commercial Refrigeration Industry

This product is a zip file that contains files that consist of PowerPoint slides synchronized with the audio-recording of the speaker, PDF files of the slides, and audio only (mp3 format) as noted.Under the American Innovation and Manufacturing (AIM) Act enacted in December 2020, the phasing down production and consumption of currently used HFC refrigerants has initiated development and evaluation of new refrigerants. In this seminar, four different case studies about energy performance of low GWP refrigerants in refrigeration systems will be discussed. This includes experimental evaluation of R471A (GWP<150) in display cases and walk-in cooler, thermodynamic analysis of different architect of CO2 refrigeration system across 166 cities, laboratory assessment of load flexibility strategies in display cases and experimental assessment of display cases using R513A (GWP = 573) and R290 (GWP =3).1. Climate Zone Impact of CO2 System Selection for the AmericasAndre Patenaude, C.E.T., Emerson Commercial & Residential Solutions, Dayton, OH2. Performance Assessment of High-Efficiency Refrigerated Display Cases with Low-GWP RefrigerantsRamin Faramarzi, NREL, Golden, CO3. Performance Evaluation of R471A in Refrigerated Display Cabinet and Walk-in-CoolerKaimi Gao, Refrigeration Platform, Buffalo, NY4. Laboratory Assessment of Load Flexibility Strategies in Open Vertical Medium Temperature Display CasesRamin Faramarzi, Member, NREL, Golden, CO