NDLI: Study of vapor ejector performance on ejector throat diameter

Content Provider	IEEE Xplore Digital Library
Author	Jinfeng Wang Jing Xie Yong-hong Wang Le-Ren Tao
Copyright Year	2011
Description	Author affiliation: School of Energy & Power Engineering, University of Shanghai for Science and technology, China (Yong-hong Wang; Le-Ren Tao) \|\| College of food science and technology, Shanghai Ocean University, China (Jinfeng Wang; Jing Xie)
Abstract	The 2D axisymmetric, real gas model was developed to calculate the ejector in the ejector cooling system. The calculation is to obtain the effect of ejector throat diameter on ejector performance. There is an optimum ejector throat diameter De(17mm) with the giving calculation operating condition and the other geometry parameters. When De=De, the entrainment ratio reached the maximum value; when De>De, the refrigerant flow backward the entrainment inlet; when De<De, the entrainment ratio increased with the increase of AR. The critical back pressures (Pc) on the different De have obtained. When De is larger, Pc is lower; De is smaller, Pc* is higher. When De<12mm, ejector can't work even if the back pressure is super low. The change of the ejector performance is caused by the change of shock wave; the change of shock wave is the result of the change of ejector throat diameter.
Starting Page	1779
Ending Page	1783
File Size	913122
Page Count	5
File Format	PDF
ISBN	9781612847498
e-ISBN	9781612847528
DOI	10.1109/ICMREE.2011.5930679
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-05-20
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Vapor ejector COP Cooling system Educational institutions Area ratio Numerical simulation Generators Erbium
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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