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http://dx.doi.org/10.5139/JKSAS.2018.46.6.496

A Study on Ejector Performance Characteristics by Ejector Geometry/Performance Variables  

Choi, Ji-Seon (Department of Aerospace Engineering, Chungnam National University)
Yu, I-Sang (Department of Aerospace Engineering, Chungnam National University)
Shin, Dong-Hae (Department of Aerospace Engineering, Chungnam National University)
Lee, Hee-Jun (Department of Aerospace Engineering, Chungnam National University)
Ko, Young-Sung (Department of Aerospace Engineering, Chungnam National University)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.46, no.6, 2018 , pp. 496-502 More about this Journal
Abstract
In this study, experimental and analytical studies were carried out to observe the phenomenon of aerodynamic throat formed according to the primary flow and secondary flow momentum of the ejector. The equilibrium interval of the aerodynamic throat, which is the main variable of the ejector performance, was observed through the experiment using the cold flow experiment and the analysis using FLUENT. Performance characteristics were investigated by the change of the primary flow rate and the throat diameter of the ejector cylinder. As a result, the performance of the standard ejector was confirmed to be within the range of 0.33~1.167(off-design/design) and cylinder throat diameter range of 1~1.17(off-design/design area ratio).
Keywords
Ejector; Aerodynamic Throat; Entrainmnet Ratio; Cylinder Throat Diameter;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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