Please use this identifier to cite or link to this item:
https://hdl.handle.net/10356/98083
Title: | Pressure recovery ratio in a variable cooling loads ejector-based multi-evaporator refrigeration system | Authors: | Lin, Chen Cai, Wenjian Li, Yanzhong Yan, Jia Hu, Yu |
Keywords: | DRNTU::Engineering::Electrical and electronic engineering | Issue Date: | 2012 | Source: | Lin, C., Cai, W., Li, Y., Yan, J.,& Hu, Y. (2012). Pressure recovery ratio in a variable cooling loads ejector-based multi-evaporator refrigeration system. Energy, 44(1), 649-656. | Series/Report no.: | Energy | Abstract: | In this paper, the Computational Fluid Dynamics (CFD) technique is used to investigate the influences of varying cooling loads on the ejector pressure recovery performance in an ejector-based multi-evaporator refrigeration system (EMERS) using R134a as the refrigerant. The performance of pressure recovery in the EMERS reflects the performance of the compression energy saving. The developed CFD model is first validated by actual experimental data from the EMERS. Turbulence model constants are carefully selected in order to minimize the model prediction error. Over 200 different cases are studied using the model to find the effects of varying cooling loads on pressure recovery ratio. The results indicate that pressure recovery ratio is very sensitive to the varying primary and secondary flow cooling loads. The maximum pressure recovery ratio can reach 60% as the cooling loads vary. It was found that in order to keep the system stable, the primary and secondary cooling loads should be maintained within ±5% and ±10%, respectively, in which case the pressure recovery ratio will have a maximum ratio of 32.8%. | URI: | https://hdl.handle.net/10356/98083 http://hdl.handle.net/10220/13293 |
ISSN: | 0360-5442 | DOI: | 10.1016/j.energy.2012.05.027 | Schools: | School of Electrical and Electronic Engineering | Fulltext Permission: | none | Fulltext Availability: | No Fulltext |
Appears in Collections: | EEE Journal Articles |
SCOPUSTM
Citations
10
42
Updated on Mar 21, 2024
Web of ScienceTM
Citations
10
39
Updated on Oct 26, 2023
Page view(s) 5
1,049
Updated on Mar 28, 2024
Google ScholarTM
Check
Altmetric
Items in DR-NTU are protected by copyright, with all rights reserved, unless otherwise indicated.