Experimental study on an absorption refrigeration system at low temperatures.
Author(s) : HE Y., CHEN G. M.
Type of article: Article
Summary
The heat-driven auto-cascade absorption refrigeration cycle can be used at low temperatures, and a novel auto-cascade absorption refrigeration system is proposed to gain better performances with a refrigerating temperature as low as -50°C. The new system uses a mixture of R-23 + R-32 + R-134a/DMF as its working pair and its characteristic study is carried out under different operational conditions. It has successfully obtained a refrigerating temperature of -47.2°C under the generating temperature of 163°C. This refrigerating temperature is far lower than that of a traditional absorption refrigeration system with the same working pair, and it is also lower than that of an auto-cascade absorption refrigeration system using R-32 + R-134a/DMF as its working pair. From the experimental results, it is clearly seen that this new system shows a rapier lowering rate of refrigerating temperature than that of an auto-cascade absorption refrigeration system using R-23 + R-134a/DMF as its working pair. The results of the experimental analyses imply that this new absorption refrigeration system can be used for deep-freezing as low as -50°C by using low-potential thermal power. Its potential of industrial application might be greater than that of an auto-cascade absorption refrigeration system using R-23 + R-134a/DMF as its working pair in the future. [Reprinted with permission from Elsevier. Copyright, 2006].
Details
- Original title: Experimental study on an absorption refrigeration system at low temperatures.
- Record ID : 2007-0661
- Languages: English
- Source: International Journal of thermal Sciences - vol. 46 - n. 3
- Publication date: 2007/03
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