Journal ArticleDOI
Impact of operational and geometrical factors on ejector performance with a bypass
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TLDR
In this article, the influence of operational and bypass geometrical factors on the entrained capacity was analyzed through CFD method, and the authors showed that there is always an optimal location (around the place where the lowest pressure is) for the maximum entrainment ratio, and it moves downstream as the motive or induced pressure increases.About:
This article is published in Applied Thermal Engineering.The article was published on 2016-04-25. It has received 18 citations till now. The article focuses on the topics: Diffuser (thermodynamics).read more
Citations
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Optimization analysis of structure parameters of steam ejector based on CFD and orthogonal test
TL;DR: In this article, the performance of a steam ejector and its structures were optimized by means of the five-factor and four-level orthogonal tests to gain the sensitivity for each factor to performances of the ejector.
Journal ArticleDOI
CFD simulation on the boundary layer separation in the steam ejector and its influence on the pumping performance
TL;DR: In this article, the boundary layer separation inside the ejector was studied by using CFD method and a steam ejector refrigeration experimental system was set up to verify the numerical model.
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Numerical studies on wide-operating-range ejector based on anodic pressure drop characteristics in proton exchange membrane fuel cell system
TL;DR: In this article, a Computational Fluid Dynamics model is established coupled with the stationary characteristic equation of the hydrogen ejector, which is derived by utilizing the anodic pressure drop formula.
Journal ArticleDOI
CFD simulation of two-phase ejector performance influenced by different operation conditions
Ping Zheng,Bing Li,Jingxuan Qin +2 more
TL;DR: In this article, the influence of temperature phase change on two-phase ejector is investigated by the computational fluid dynamics (CFD) technique, and the results show that entrainment ratio increases with increasing LNG inlet velocity and decreasing mixture outlet pressure.
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Study on the performance of a steam ejector with auxiliary entrainment inlet and its application in MED-TVC desalination system
TL;DR: In this paper, an auxiliary entrainment inlet is added at the ejector's low pressure region to optimize the performance of a steam ejector used in a MED-TVC desalination system.
References
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Journal ArticleDOI
Describing the Uncertainties in Experimental Results
TL;DR: The material presented in this paper covers the method of describing the uncertainties in an engineering experiment and the necessary background material, as well as a technique for numerically executing uncertainty analyses when computerized data interpretation is involved.
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Investigation and improvement of ejector refrigeration system using computational fluid dynamics technique
TL;DR: In this paper, the computational fluid dynamics (CFD) code, FLUENT, is employed to predict the flow phenomena and performance of CPM and CMA steam ejectors.
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Performance prediction of steam ejector using computational fluid dynamics: Part 2. Flow structure of a steam ejector influenced by operating pressures and geometries
TL;DR: The aim of this study is to reveal the complication of the flow and the mixing process of a steam ejector used in a jet refrigeration cycle by using the simulation software package (FLUENT).
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CFD analysis of a supersonic air ejector. Part I: Experimental validation of single-phase and two-phase operation
TL;DR: In this paper, a comparison between CFD and experiments for a supersonic ejector is presented in terms of entrainment rate compared to home-made experimental data for an air ejector.
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Variable geometry ejectors and their applications in ejector refrigeration systems
TL;DR: In this article, the effect of ejector geometries on performance was analyzed for a 5kW steam-jet refrigerator with variable-geometry ejectors, including flow rates, entrainment ratio and ejector geometry.