Transient characteristic of reciprocating compressors in household refrigerators.
Author(s) : PORKHIAL S., KHASTOO B., MODARRES RAZAVI M. R.
Type of article: Article
Summary
In this article, the M7 model of 1/5 hp Nicchi compressors used in 12 ft3 refrigerators with refrigerant R12 was selected as a sample and different tests were carried out to determine its transient behaviour. Based on the analysis of experimental results, the governing equations and the simulation programme of transient behaviour were developed. Analysis of predicted and experimental results showed that refrigerators consume more power in the transient mode compared with the steady mode; therefore, shortening the transient period can lower the energy consumption of the system. Also, an isentropic assumption for the hermetic compressor is not a correct assumption, especially for the transient mode. With appropriate design of compressor inlet which locates it near to the suction valve, the energy efficiency will be improved.
Details
- Original title: Transient characteristic of reciprocating compressors in household refrigerators.
- Record ID : 2003-2804
- Languages: English
- Source: Applied Thermal Engineering - vol. 22 - n. 12
- Publication date: 2002/08
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