Abstract

The condensing and evaporating characteristics of an auto-refrigerating cascade cycle employing ternary zeotropic mixture R600a/R23/R14 are studied in this article. When the outlet temperature of c...

Highlights

  • Mixed refrigerant Joule–Thomson cryocoolers have unique advantages for small refrigeration systems for 70–230 K applications.[1]

  • One is known as the Linde–Hampson refrigerator (LHR) and the other is the auto-refrigerating cascade (ARC) system, which is referenced as Kleemenko’s cycle

  • The ARC system includes phase separators, which removes the liquid from the stream at various junctions along the highpressure channel, throttle valves, and corresponding heat exchangers

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Summary

Introduction

Mixed refrigerant Joule–Thomson cryocoolers have unique advantages for small refrigeration systems for 70–230 K applications.[1]. The condensing temperature decreases for zeotropic mixed refrigerant at constant pressure; the mass fraction in vapor and liquid changes with the condensing temperature. With the decrease in cooling temperature, the vapor mixed refrigerant is condensed into liquid gradually.

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