Optimization of Two-Phase Ejector Mixing Chamber Length under Varied Liquid Volume Fraction [PDF]
Entropy, 2022 The ejector performance varies with the mixing chamber length which is largely dependent on the fluid liquid volume fraction at the inlet. In this study, numerical simulations are conducted to optimize two mixing chamber lengths of a two-phase ejector ...
Jia Yan +3 more
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Application of ejectors for two-phase flows [PDF]
E3S Web of Conferences, 2021 The article studies the work of a water jet pump (ejector), influence of the mixture characteristics and pipe length on the energy parameters of the ejector system.
Volgina Liudmila, Romanova Anastasiia
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Size Design Method of Two-phase Ejector
Zhileng xuebao, 2018 Based on the basic rules of the flow process, a set of dimensional correction coefficients is introduced according to the design method of the liquid–liquid ejector.
Du Yanjun, Liu Feng, Liu Yunfa, Zhang Bo
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Nozzle Displacement Effects on Two-Phase Ejector Performance: An Experimental Study
Journal of Applied Fluid Mechanics, 2018 Experimental results of two-phase ejector operation with refrigerant R134a as working fluid are presented in this paper. The tests carried out allowed evaluating the influence of the primary nozzle position in the mixing chamber and of operating ...
K. Ameur, Z. Aidoun
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Effects of Geometric Parameter on Performance of Ejector and Two-phase Ejector Refrigeration System
Zhileng xuebao, 2013 In order to increase the coefficient of performance (COP) of the refrigeration system , the expansion valve is replaced by a two-phase ejector in the two-phase ejector refrigeration cycle to recover the potential energy of the high pressure refrigerant ...
Pei Wenwei +3 more
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Effect of Back Pressure on Performances and Key Geometries of the Second Stage in a Highly Coupled Two-Stage Ejector [PDF]
Entropy, 2022 In this paper, for a highly coupled two-stage ejector-based cooling cycle, the optimization of primary nozzle length and angle of the second-stage ejector under varied primary nozzle diameters of the second stage was conducted first. Next, the evaluation
Jia Yan, Yuetong Shu, Chen Wang
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TWO-PHASE EJECTOR of CARBON DIOXIDE HEAT PUMP CALCULUS
Problems of the Regional Energetics, 2010 It is presented the calculus of the two-phase ejector for carbon dioxide heat pump. The method of calculus is based on the method elaborated by S.M. Kandil, W.E. Lear, S.A.
Sit B.M.
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Numerical Simulation on Two-Phase Ejector with Non-Condensable Gas
EnergiesThe two-phase ejector is a simple and compact pressure boosting device and widely used in ejector steam-generator water feeding systems and core emergency cooling systems.
Yinghua Chai +5 more
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Swirl-Bypass Nozzle for CO2 Two-Phase Ejectors: Numerical Design Exploration
Energies, 2022 In this work, a novel ejector design concept of a swirl-bypass nozzle is proposed to improve off-design performance of CO2 two-phase ejectors. The swirl-bypass nozzle allows part of the flow to bypass into the ejector mixing chamber to generate swirl ...
Knut Emil Ringstad +3 more
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Model Investigation of Jet Flow Inside Two-phase Ejector
Zhileng xuebao, 2010 The jet flow development inside an ejector in a compression/ejection refrigeration cycle was investigated.The flow processes along the flow path inside the ejector were modeled including pressure adjustment,jet mixture,equalization,and diffusion.The ...
Chen Liang Liu Jinghui Chen Jiangping Chen Zhijiu
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