Effects of influencing factors on the performance and morphology of shock waves in ejectors: A review

Sreeja Sadasivan, Senthil Kumar Arumugam (), Jishnu Chandran R. () and Mahesh C. Aggarwal ()
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Sreeja Sadasivan: School of Mechanical Engineering, Vellore Institute of Technology, Vellore, Tamil Nadu 632014, India2Faculty of Mechanical Engineering, Lublin University of Technology, Nadbystrzycka 36, PL-20-618 Lublin, Poland
Senthil Kumar Arumugam: School of Mechanical Engineering, VIT Bhopal University, Bhopal, Madhya Pradesh 466114, India
Jishnu Chandran R.: School of Mechanical Engineering, Vellore Institute of Technology, Vellore, Tamil Nadu 632014, India
Mahesh C. Aggarwal: Department of Mechanical Engineering, Gannon University, Erie, PA 16541, USA

International Journal of Modern Physics C (IJMPC), 2023, vol. 34, issue 11, 1-26

Abstract: This paper presents a detailed literature review on the studies carried out in the last three decades, for understanding the factors affecting the performance of the ejector. An ejector is one of the important components in many industrial applications in the field of refrigerant expansion, circulation of fluids, vacuum creation, etc. From the analysis of the reported works of the ejector, the CFD modeling has proved to be a convenient method for analyzing the complex phenomenon in the ejector like mixing process, turbulence characteristics, shock interactions, and condensation process. The first part of this paper discusses the operation of ejector, flow structure, parameters required for the computational modeling, governing equations, etc. The second part discusses the influence of geometrical parameters and various operating conditions on the ejector performance. The shape and position of shock waves in the ejector for various operating conditions are also narrated under the same section. Third part of this paper is devoted to discussions on advances in modeling to be considered for the performance improvement of ejectors. Finally, the paper concludes with clear guidelines for the effective ejector modeling. Future scope of ejector research, pathways to progress, etc., mentioned in the conclusion section should help researchers and designers in this field.

Keywords: Ejector; wet steam; computational fluid dynamics; shock waves (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1142/S0129183123501425

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