Co2 Ejector Refrigeration

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Model LPA® 860-SS-075

860-SS-075-B | 4 to 30 GPM | Max Head 50 feet PS

The Thermodynamic Principles of LPA

Most current refrigeration and air conditioning systems waste 20% to 40% of

Co2 Ejector Refrigeration

Ejector Refrigeration: An Overview of Historical and Present Developments with an Emphasis on Air-Conditioning Applications

[EXTERNAL] In this paper, (2008) Stefan Elbel of Creative Thermal Solutions & Predrag Hrnjak University of Illinois at Urbana-Champaign explain;  Abstract; Ever since the renaissance of transcritical R744 systems in the late 1980s, ejectors have been considered to improve energy efficiencies. However, the invention of the ejector dates back far longer. This review paper gives an overview […]


Review of Ejector Design Parameters and Geometry for Refrigeration and Air Conditioning Applications

[EXTERNAL] Abstract: In this paper, a thermodynamic model of the ejector-expansion transcritical CO2 refrigeration cycle is developed.The basic transcritical CO2 systems exhibit low energy efficiency due to their large throttling loss. Replacing the throttle valve with an ejector is an effective measure for recovering some of the energy lost in the expansion process.  The effect […]


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