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4190 — A Modeling Study of a Centrifugal Compressor

$7.50

Conference Proceeding by ASHRAE, 1998

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Description

A centrifugal compressor, which is part of a chlorofluorocarbon R-114 chiller installation, was investigated, operating with a new refrigerant, hydrofluorocarbon R-236ea, a proposed alternative to R-114. A large set of R-236ea operating data, as well as a limited amount of R-114 data, were available for this study. A relatively simple analytical compressor model was developed to describe compressor performance. The model was built upon a thorough literature search, experimental data, and some compressor design parameters. Two original empirical relations were developed, providing a new approach to the compressor modeling. The model was developed in a format that would permit it to be easily incorporated into a complete chiller simulation. The model was found to improve somewhat on the quantitative and physical aspects of a compressor model of the same format found in the literature. It was found that the compressor model is specific to the particular refrigerant.

Units: Dual

Citation: ASHRAE Transactions, 1998, Vol. 104, Part 2, Toronto, ON

Product Details

Published:
1998
Number of Pages:
15
File Size:
1 file , 260 KB
Product Code(s):
D-7658