Journal ArticleDOI
Design aspects of ejectors: Effects of suction chamber geometry
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In this paper, the authors studied the effect of the angle of converging section on the entrainment rate of the secondary fluid in an ejector with a given projection ratio (L TN / D T ).About:
This article is published in Chemical Engineering Science.The article was published on 2008-08-01. It has received 94 citations till now. The article focuses on the topics: Entrainment (hydrodynamics) & Suction.read more
Citations
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Journal ArticleDOI
Progress of mathematical modeling on ejectors
S. He,Yong Li,Ruzhu Wang +2 more
TL;DR: A review of various researches of the mathematical model on the hydrodynamic and thermodynamic character within the ejector can be found in this paper, where various models consisting of ideal assumptions, governing equations, auxiliary conditions, solution methods and main results are presented.
Journal ArticleDOI
Design and characterization of an electronically controlled variable flow rate ejector for fuel cell applications
TL;DR: In this paper, a variable flow ejector is presented to address the challenge of providing cost-effective recirculation of hydrogen in fuel cell systems, using supersonic flow to provide sufficient pressure rise for the Ballard Mark 9 SSL stack.
Journal ArticleDOI
Current Advances in Ejector Modeling, Experimentation and Applications for Refrigeration and Heat Pumps. Part 1: Single-Phase Ejectors
TL;DR: A review of the main developments in ejectors over the last few years can be found in this article, where the main findings and trends in the area of heat-driven ejectors and ejector-based machines using low boiling point working fluids are summarized.
Journal ArticleDOI
A CFD analysis of the flow structure inside a steam ejector to identify the suitable experimental operating conditions for a solar-driven refrigeration system
TL;DR: In this paper, the authors present a numerical study of a steam ejector using CFD with the objective of identifying suitable experimental conditions that allow for a reliable ejector cycle operation.
Journal ArticleDOI
Mixing layer effects on the entrainment ratio in steam ejectors through ideal gas computational simulations
TL;DR: In this paper, the authors present a computational simulation investigation of flow in a representative steam ejector to specify the contribution of mixing and pressure-driven effects to the overall ejector entrainment ratio under different operating conditions.
References
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On the mixture model for multiphase flow
TL;DR: In this paper, the authors focus on the derivation and closing of the model equations, and the validity of the mixture model is also carefully analyzed, starting from the continuity and momentum equations written for each phase in a multiphase system, the field equations for the mixture are derived.
Journal ArticleDOI
Performance prediction of steam ejector using computational fluid dynamics: Part 1. Validation of the CFD results
TL;DR: In this paper, the authors investigated the use of CFD in predicting performance of a steam ejector used in refrigeration applications and found that CFD was not only a sufficient tool in predicting ejector performance but also provided a better understanding in the flow and mixing processes within the ejector.
Journal ArticleDOI
CFD analysis of ejector in a combined ejector cooling system
TL;DR: In this article, several ejector designs were modelled using finite volume CFD techniques to resolve the flow dynamics in the ejectors, and the results were validated with available experimental data.
Journal ArticleDOI
Multi-scale modeling and analysis of an industrial HVOF thermal spray process
TL;DR: In this article, a hybrid deterministic/stochastic fundamental model is proposed for the major physico-chemical processes involved in an industrial HVOF thermal spray process (Diamond Jet hybrid gun, Sulzer Metco, Westbury, NY, USA).
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Satha Aphornratana,Ian W. Eames +1 more