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CH-93-20-3 — Compressor Calorimeter Performance of Refrigerant Blends – Comparative Methods and Results for a Refrigerator/Freezer Application

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Conference Proceeding by ASHRAE, 1993

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Description

A protocol was developed to define calorimeter operating pressures for non-azeotropic refrigerant mixtures (NARMs) that corresponded with the saturated evaporator and condenser temperatures commonly used for pure refrigerants. Compressor calorimeter results were obtained using this equivalent-mean-temperature (EMT) approach and a generally applied Association of Home Appliance Manufacturers (AHAM) procedure at conditions characteristic of a domestic refrigerator-freezer application. Tests with R12 and two NARMs indicate that compressor volumetric and isentropic efficiencies are nearly the same for refrigerants with similar capacities and pressure ratios.

KEYWORDS: refrigerators, freezers, R12, refrigerants, mixtures, non azeotropic, testing, experiment, performance, domestic, comparing, R22, R141b, R32, R124, calorimeters.

Citation: Symposium, ASHRAE Transactions 1993, Vol.99, pt.1

Product Details

Published:
1993
Number of Pages:
20
File Size:
1 file , 2.3 MB
Product Code(s):
D-18288