Simulation of an ejector used in refrigeration systems

被引：12
|
作者：
Elakhdar, M. [1 ]
Nehdi, E. [1 ]
Kairouani, L. [1 ]
Tounsi, N. [1 ]
机构：
[1] Natl Engn Sch Tunis, Unite Rech Energet & Environm, Tunis 1002, Tunisia
来源：
INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID | 2011年 / 34卷 / 07期
关键词：
Ejector; Performance; Operating regime; Mathematical simulation; Refrigerant; Environmentally friendly;
D O I：
10.1016/j.ijrefrig.2010.12.011
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The present study describes a computer simulation model for refrigerant ejector. A one-dimensional mathematical model was developed using the equations governing the flow and thermodynamics based on the constant-area ejector flow model. The model includes effects of friction at the constant-area mixing chamber. The current model is based on the NIST-REFPROP database for refrigerants' properties calculations. The simulated performance is compared with the available experimental data from the literature for validation. The effects of operating parameters and environment friendly refrigerants on critical entrainment ratio are studied. (C) 2011 Elsevier Ltd and IIR. All rights reserved.
引用
收藏
页码：1657 / 1667
页数：11
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