Adjustable flow ejectors: research status and development trends

Chao Li, Jianqin Fu, Wenshuai Que and Wenjun Guo

Renewable and Sustainable Energy Reviews, 2025, vol. 217, issue C

Abstract: Ejectors serve as crucial components in circulation systems within various industrial applications. Traditional ejectors featuring fixed structures exhibit limited adaptability to operating conditions, thereby restricting the system's performance. In response, adjustable flow ejectors (AFEs), featuring adjustable structures or supplementary nozzles, have been developed. However, the research landscape of AFEs is characterized by cross-domain technology diffusion, resulting in fragmented technological pathways that significantly hinder their rapid advancement. This study utilizes bibliometric methods to delve into the structural attributes, optimization and control strategies, and diverse application requirements of AFEs. Furthermore, this paper highlights the strengths and constraints, identifies current technological bottlenecks, and outlines future development directions, thereby fostering innovation and progress in AFE technology.

Keywords: Ejector; Adjustable flow; Variable area; Multi-nozzle; Adjustable needle (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1016/j.rser.2025.115722

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