THE ANALYSIS OF POWER CHARACTERISTICS OF THE TWO-TEMPERATURE COMPRESSOR REFRIGERATING MACHINE

Authors

  • Г. К. Лавренченко Украинская ассоциация производителей технических газов «УА-СИГМА», а/я 271, г. Одесса, Украина, 65026, Ukraine
  • С. Г. Швец Украинская ассоциация производителей технических газов «УА-СИГМА», а/я 271, г. Одесса, Украина, 65026, Ukraine

DOI:

https://doi.org/10.18198/j.ind.gases.2009.0412

Keywords:

Refrigerating machine, Refrigerating capacity, Cooling, Ammonia, Ejector, Refrigerating efficiency

Abstract

Increase of efficiency of compressor refrigerating machines sets out an actual problem. Features of the new refrigerating machine intended for manufacture of cold on two temperature levels are considered. Limiting characteristics of two-temperature compressor-ejector refrigerating machine (CERM) are analysed. Energy of expansion in it of the refrigerant gas leaving the high-temperature evaporator is used for the compression of steam leaving from low-temperature evaporator. The circuit and cycle of CERM, the simplified design procedure of its basic parameters are resulted. It is shown that application of CERM for overcooling of liquid ammonia before it throttling in the ammoniac refrigerating machine is more effective, than in case of use of one refrigerating machine making all cold at lowest temperature. Preferable scopes of two-temperature CERM are determined.

Author Biographies

Г. К. Лавренченко, Украинская ассоциация производителей технических газов «УА-СИГМА», а/я 271, г. Одесса, Украина, 65026

G.K. Lavrenchenko

С. Г. Швец, Украинская ассоциация производителей технических газов «УА-СИГМА», а/я 271, г. Одесса, Украина, 65026

S.G. Shvets

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Issue

No. 1 (2009): Технические газы

Section

PROCESSES, CYCLES, SCHEMES AND THE EQUIPMENT OF REFRIGERATION AND CRYOGENIC SYSTEMS

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