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Simulation analysis of R134a/DMF absorption refrigeration system based on Aspen Plus

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Published under licence by IOP Publishing Ltd
, , Citation Chunhua Wang et al 2021 IOP Conf. Ser.: Earth Environ. Sci. 766 012075 DOI 10.1088/1755-1315/766/1/012075

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wfitsxzx@wfit.edu.cn

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1 Weifang Institute of Technology, Weifang 262500, China

2 Shandong Jianzhu University, Jinan 250013, China

3 Shandong Provincial Key Laboratory of Applied Microbiology, Ecology Institute, Qilu University of Technology (Shandong Academy of Sciences)

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1755-1315/766/1/012075

Abstract

In order to explore the performance of R134a / DMF absorption refrigeration system, a model of R134a/DMF absorption refrigeration system was conducted based on Aspen Plus software. The cooling capacity of the system 150kW. The effects of reflux ratio, bottom temperature and refrigerant (R134a) concentration on the system were simulated and analyzed. The results showed that, the reasonable range of reflux ratio and scope of bleed is 0.5∼0.7. The system COP is the best when the mass fraction of R134a, the generating temperature and absorption temperature is respectively 56 %, 131°C and 28 °C.

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10.1088/1755-1315/766/1/012075