Experimental studies on R-134a-DMAC hot water based vapour absorption refrigeration systems.
Author(s) : MUTHU V., SARAVANAN R., RENGANARAYANAN S.
Type of article: Article
Summary
The objective of this paper is to present an experimental study on environment friendly vapour absorption refrigeration system of 1 kW capacity using R-134a-DMAC as the working fluids. The system is designed and tested for various operating conditions using hot water as heat source. In this paper, performance of the fabricated system are outlined with respect to various operating parameters such as heat source, condenser, absorber and evaporator temperatures. The result indicates that at the sink and source temperatures of 30 and 80°C respectively and a typical heat input of 4 kW, the system attained steady state in two hours. For this system an actual COP of 0.25 to 0.45 was obtained under the tested conditions. The study reveals the feasibility of using R-134a-DMAC as working fluids in the absorption machines using low potential heat sources for various applications. [Reprinted with permission from Elsevier. Copyright, 2007].
Details
- Original title: Experimental studies on R-134a-DMAC hot water based vapour absorption refrigeration systems.
- Record ID : 2008-0631
- Languages: English
- Source: International Journal of thermal Sciences - vol. 47 - n. 2
- Publication date: 2008/02
Links
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Indexing
- Themes: Absorption and adsorption systems
- Keywords: Refrigerating system; R134a; Absorption system; Performance; Expérimentation; COP; Refrigerant
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