Predictive and diagnostic aspects of a universal thermodynamic model for chillers

J. M. Gordon, Kim Choon Ng

Research output: Contribution to journalArticlepeer-review

88 Scopus citations

Abstract

There are fundamental aspects of chiller behavior-characterized by the chiller coefficient of performance as a function of cooling rate and coolant temperatures-that pertain to all refrigeration devices. We review, further develop, and validate against extensive experimental measurements a simple thermodynamic model that captures the universal aspects of chiller behavior. The model provides a procedure for predicting chiller performance over a broad range of operating conditions from a small number of selected measurements, as well as a diagnostic tool. The accuracy of the model is illustrated for reciprocating, centrifugal and absorption chillers. Universal aspects of chiller behavior are further illustrated with less conventional small-scale cooling devices such as thermoacoustic and thermoelectric chillers.

Original languageEnglish
Pages (from-to)807-818
Number of pages12
JournalInternational Journal of Heat and Mass Transfer
Volume38
Issue number5
DOIs
StatePublished - 1 Jan 1995
Externally publishedYes

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