A new reverse cycle defrost design concept for refrigerators.(Report): An article from: ASHRAE Transactions
Book Details
ISBN / ASINB003QN3ZM8
ISBN-13978B003QN3ZM0
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Sales Rank99,999,999
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Description
This digital document is an article from ASHRAE Transactions, published by American Society of Heating, Refrigerating, and Air-Conditioning Engineers, Inc. on January 1, 2010. The length of the article is 1903 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available immediately after purchase. You can view it with any web browser.
From the author: Refrigerators have been becoming more energy efficient in recent years. However, there is little research work on refrigerator defrosting. Refrigerators generally still use electrical resistance heating elements for defrost. In Asia, particularly in Japan and Taiwan, a lot of refrigerator condensers are attached to the refrigerator side panels, with heat dissipation through the panels. This design saves refrigerator space, but is not very energy efficient. Applying a typical heat pump type cycle reversal for defrosting would cause the condenser panels to become cold, and moisture might condense on the surface of the side panels and run down to the floor. A novel reverse cycle system was designed to completely by-pass the condenser, thus avoiding moisture condensation on the side panels. Qualitative laboratory test data indicated that the reverse cycle defrosting concept worked as expected, and it was found to be more energy efficient than the conventional direct electric heating defrost method.
Citation Details
Title: A new reverse cycle defrost design concept for refrigerators.(Report)
Author: C.T. Yang
Publication:ASHRAE Transactions (Magazine/Journal)
Date: January 1, 2010
Publisher: American Society of Heating, Refrigerating, and Air-Conditioning Engineers, Inc.
Volume: 116 Issue: 1 Page: 242(4)
Article Type: Report
Distributed by Gale, a part of Cengage Learning
From the author: Refrigerators have been becoming more energy efficient in recent years. However, there is little research work on refrigerator defrosting. Refrigerators generally still use electrical resistance heating elements for defrost. In Asia, particularly in Japan and Taiwan, a lot of refrigerator condensers are attached to the refrigerator side panels, with heat dissipation through the panels. This design saves refrigerator space, but is not very energy efficient. Applying a typical heat pump type cycle reversal for defrosting would cause the condenser panels to become cold, and moisture might condense on the surface of the side panels and run down to the floor. A novel reverse cycle system was designed to completely by-pass the condenser, thus avoiding moisture condensation on the side panels. Qualitative laboratory test data indicated that the reverse cycle defrosting concept worked as expected, and it was found to be more energy efficient than the conventional direct electric heating defrost method.
Citation Details
Title: A new reverse cycle defrost design concept for refrigerators.(Report)
Author: C.T. Yang
Publication:ASHRAE Transactions (Magazine/Journal)
Date: January 1, 2010
Publisher: American Society of Heating, Refrigerating, and Air-Conditioning Engineers, Inc.
Volume: 116 Issue: 1 Page: 242(4)
Article Type: Report
Distributed by Gale, a part of Cengage Learning
