Thermodynamic Analysis of the Effect of Refrigerant Heat Exchanger on Performance of Ammonia-Water Absorption Refrigeration System

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Moradi Faraz; CHAHARTAGHI MAHMOOD; HOSSEINPOUR SIAMAK

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Paper Information

Journal: JOURNAL OF MECHANICAL ENGINEERING Year:2020 | Volume:50 | Issue:2 (91) Page(s): 207-216

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Title

Thermodynamic Analysis of the Effect of Refrigerant Heat Exchanger on Performance of Ammonia-Water Absorption Refrigeration System

Author(s)

Moradi Faraz | CHAHARTAGHI MAHMOOD | HOSSEINPOUR SIAMAK | Issue Writer Certificate

Keywords

Refrigerant Heat Exchanger

Absorption refrigeration system

Ammonia-water

Modeling

Simulation

Abstract

In this paper, an Ammonia-water Absorption refrigeration system has been modeled with mass and energy balances by EES software, the effect of RHE efficiency on system's operating parameters by coupling the EES and MATLAB software is studied thermodynamically, and the system's performance is analyzed under different conditions, in first case, similar to the published researches, at an optimal obtained value for low pressure and generator temperature proportional to the investigation range of RHE efficiency, and in second case, due to a high dependence of this system's parameters together, as the main novelty of this research, at optimal obtained values for these parameters according to the RHE efficiency variations. The results show that, low pressure, generator temperature and COP increasing, decreasing and increasing in the range of 0. 6217-2. 8770 bar, 152. 6-114. 6℃ and 0. 2909-0. 5923, respectively, by increasing the RHE efficiency from 0-1 which demonstrates the considerable effect of RHE efficiency on system's operating parameters. Also it was shown that in this case study, the RHE should be considered as an essential component, and choosing efficiency values higher than 73. 95% must necessarily have economic justification.

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APA: Copy

Moradi, Faraz, CHAHARTAGHI, MAHMOOD, & HOSSEINPOUR, SIAMAK. (2020). Thermodynamic Analysis of the Effect of Refrigerant Heat Exchanger on Performance of Ammonia-Water Absorption Refrigeration System. JOURNAL OF MECHANICAL ENGINEERING, 50(2 (91) ), 207-216. SID. https://sid.ir/paper/270200/en

Vancouver: Copy

Moradi Faraz, CHAHARTAGHI MAHMOOD, HOSSEINPOUR SIAMAK. Thermodynamic Analysis of the Effect of Refrigerant Heat Exchanger on Performance of Ammonia-Water Absorption Refrigeration System. JOURNAL OF MECHANICAL ENGINEERING[Internet]. 2020;50(2 (91) ):207-216. Available from: https://sid.ir/paper/270200/en

IEEE: Copy

Faraz Moradi, MAHMOOD CHAHARTAGHI, and SIAMAK HOSSEINPOUR, “Thermodynamic Analysis of the Effect of Refrigerant Heat Exchanger on Performance of Ammonia-Water Absorption Refrigeration System,” JOURNAL OF MECHANICAL ENGINEERING, vol. 50, no. 2 (91) , pp. 207–216, 2020, [Online]. Available: https://sid.ir/paper/270200/en

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