Results 21 to 30 of about 22,604 (312)
Performance Analysis on a Power and Ejector-Refrigeration System and the Involved Ejector
Frontiers in Energy Research, 2019 In order to make better use of the thermal energy at low and medium temperature and improve the organic Rankine cycle performance, the power, and ejector-refrigeration system has been put forward and a lot of research has been carried out.
Xiaolin Zhang +5 more
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Designing Hydrogen Recirculation Ejectors for Proton Exchange Membrane Fuel Cell Systems
Energies, 2023 The proton exchange membrane fuel cell (PEMFC) is a promising device in the fields of power generation, energy storage, aerospace, and public transportation.
Jianmei Feng +3 more
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An Object-Oriented R744 Two-Phase Ejector Reduced-Order Model for Dynamic Simulations
Energies, 2019 The object-oriented two-phase ejector hybrid reduced-order model (ROM) was developed for dynamic simulation of the R744 refrigeration system. OpenModelica software was used to evaluate the system’s performance. Moreover, the hybrid ROM results were
Michal Haida +6 more
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Entropy, 2023 Due to its simple structure and lack of moving parts, the supersonic air ejector has been widely applied in the fields of machinery, aerospace, and energy-saving. The performance of the ejector is influenced by the flow channel structure and the velocity
Ying Zhang +5 more
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Experimental Determination of an Optimal Performance Map of a Steam Ejector Refrigeration System
Energies, 2022 An experimental determination of optimal performance of a steam ejector refrigerator was proposed which aims to indicate the optimal performance under various heat source temperatures.
Kittiwoot Sutthivirode +1 more
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Chemical Engineering Transactions, 2022 Ejector-based refrigeration cycles working with natural refrigerants have already gained industry attention. Replacing throttling valve with an ejector in vapour-compression cycles brings high improvement of the cycle efficiency due to the ejectors ...
Rafal Fingas +6 more
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Numerical simulation of a supersonic ejector for vacuum generation with explicit and implicit solver in openfoam [PDF]
, 2019 Supersonic ejectors are used extensively in all kind of applications: compression of refrigerants in cooling systems, pumping of volatile fluids or in vacuum generation. In vacuum generation, also known as zero-secondary flow, the ejector has a transient
Camacho, Sergi +4 more
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Experimental investigation of an improved ejector with optimal flow profile
Case Studies in Thermal Engineering, 2023 The flow profile of the ejector directly affects the distribution of velocity and thermodynamic parameters such as pressure, temperature, and density, which are closely related to the internal irreversible loss of the ejector.
Xinyue Hao +5 more
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Design and test of a prototype scale ejector wing [PDF]
, 1979 A two dimensional momentum integral analysis was used to examine the effect of changing inlet area ratio, diffuser area ratio, and the ratio of ejector length to width. A relatively wide range of these parameters was considered.
Alden, R. E. +2 more
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An Ejection Mechanism Design Method for AIM Tools [PDF]
, 1999 One of the key advantages of AIM tooling is time savings when producing small batch production quality parts. However, designing suitable ejection mechanisms is becoming a bottleneck. There are two goals of this paper.
Jangha, Sundiata K., Rosen, David W.
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