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The transition to low global warming potential (LGWP) refrigerants is critical to developing environmentally sustainable energy efficient refrigeration technologies suitable for net-zero energy applications. Lubricants optimized for HFC refrigerants are no longer suitable for use with many of the LGWP refrigerants being considered today. Significant energy savings can be achieved through proper optimization of lubricant/refrigerant solution properties to provide the best balance of lubrication in the compressor while maintaining excellent heat transfer in the refrigeration cycle. This seminar discusses fundamentals of lubrication, the important criteria for refrigeration lubricants and the development of lubricants designed specifically for LGWP refrigerants.

Fundamentals of Lubrication and the Development of Lubricants Optimized for Use in LGWP Refrigerant-Based Applications
Edward Hessell, Ph.D., Member
Product contains: recorded presentation, slides (PDF format), audio (mp3 format)

Comparative Review of Synthetic Lubricants Applicability for LGWP Refrigerants
Ted Li, Ph.D., Elizabeth Dixon, Ph.D., Member
Product contains: recorded presentation, slides (PDF format), audio (mp3 format)

Energy Efficiency Gains: Power of the Lubricant
Joseph Karnaz, Member
Product contains: recorded presentation, slides (PDF format), audio (mp3 format)

Lubricants for LGWP Refrigerants HFO-1234yf and HFO-1234ze
Christopher Seeton, Ph.D., Member
Product contains: recorded presentation, slides (PDF format), audio (mp3 format)