Designing Hydrogen Recirculation Ejectors for Proton Exchange Membrane Fuel Cell Systems
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
doaj +1 more source
Ejector Performance of a Pump-less Ejector Refrigeration System Driven by Solar Thermal Energy [PDF]
Ejector refrigeration is considered as one of the three main ways of refrigeration and air-conditioning to utilize lowgrade energy. Use of pump-less technology to eliminate the mechanical circulating pump of the working fluid from condenser to generator ...
Huang, Yunzhou +4 more
core +1 more source
Performance Analysis on a Power and Ejector-Refrigeration System and the Involved Ejector
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
doaj +1 more source
Proton Exchange Membrane Fuel Cell Ejector Test Platform Design and Ejector Test Analysis
The hydrogen recirculation system is essential to the performance of the fuel cell system; the ejector device plays an important role in the hydrogen recirculation system.
Fengxiang Chen +4 more
doaj +1 more source
An Object-Oriented R744 Two-Phase Ejector Reduced-Order Model for Dynamic Simulations
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
doaj +1 more source
Experimental Study Of An Ejector Refrigeration System [PDF]
The aim of the present work is to experimentally study the possibility of improving the energy efficiency of a vapour compression refrigeration system where a two-phase ejector replaces the expansion valve.
Reddick, Christopher +2 more
core +1 more source
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
doaj +1 more source
Experimental and Analytical Investigation of Automotive Ejector Air-Conditioning Cycles Using Low-Pressure Refrigerants [PDF]
In recent years, ejectors have received much attention because of their ability to reduce throttling losses and increase the efficiency of stationary and mobile air-conditioning systems.
Lawrence, Neal, Elbel, Stefan
core +1 more source
Study on Ejector - Vapor Compression Hybrid Air Conditioning System Using Solar Energy [PDF]
The ejector cycle has been recognized as a promising cycle for the utilization of solar energy for cooling. However, the conventional ejector cycle suffers from low efficiency owing to a low evaporation temperature.
Dang, Chaobin +2 more
core +1 more source
Experimental Determination of an Optimal Performance Map of a Steam Ejector Refrigeration System
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
doaj +1 more source

