期刊
INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID
卷 36, 期 6, 页码 1750-1761出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ijrefrig.2013.04.009
关键词
Ejector; 1D model; Performance; Entrainment ratio; Sub-critical operation
资金
- National Natural Science Foundation of China [51006081, 51125027]
- National Basic Research program of China (973 Program) [2009CB219803]
This paper proposes a new 1D model to predict ejector performance at critical and subcritical operational modes, while most previous 1D models have only predicted ejector performance at critical mode operation. Constant pressure mixing is assumed to occur inside the constant area section of the ejector at critical and sub-critical mode operation, and the effectiveness of the model is verified against four sets of experimental data that include different working fluids and geometries. The results show that the proposed model accurately predicts ejector performance over all ranges of operation, and is a useful tool for predicting ejector performance within larger refrigeration cycle models. (C) 2013 Elsevier Ltd and IIR. All rights reserved.
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