Effect of return gas temperature in reciprocating and rotary compressor performance for medium and low temperature applications in commercial buildings
Date
2019Author
Quintero, Omar
Mahecha, Juan
Aristizábal, Andrés Julián
Ospina, Daniel
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Abstract
Energy efficiency in refrigeration and air conditioning vapor compression systems has been focused on the
development of modulation methods allowing variation of compressor energy consumption according to refrigeration
requirements, or the use of alternative energies for running those compression systems. However, even when a compressor
comes with frequency inverter, improper selection can lead the user to spend more energy during low cooling loads; or force
the compressor to work under conditions for which it was not designed. Thus, the present article shows how the
determination of the return gas temperature of the compressor can affect its performance and may vary according to the type
of application. Therefore, the operation of reciprocating and rotary compressors was simulated and monitored under the same
nominal conditions and determined its cooling effect and its compression capacity. The results show that for the same type of
compressor, differences in system capacity are approximately constant regardless of the type of refrigerant used in low
temperature applications. The compressor capacity for medium and low temperature systems is independent of return gas
temperature using R-22.
Link to resource
https://doi.org/10.1063/1.5116939Collections
- Año 2019 [124]
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