Results 21 to 30 of about 2,396 (167)

KAJI EKSPERIMENTAL PENGARUH ANGLE MIXING CHAMBER TERHADAP UNJUK KERJA STEAM EJECTOR REFRIGERATION

Simetris: Jurnal Teknik Mesin, Elektro dan Ilmu Komputer, 2013
Abstrak Sistem steam ejector refrigeration merupakan siklus refrigerasi dengan memanfaatkan energi yang terbuang. Siklus steam ejector refrigeration menggunakan fluida air sebagai refrigeran sehingga lebih ramah lingkungan, selain itu sistem steam ...
Bachtiar Setya Nugraha
doaj   +1 more source

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, Shuai Deng, Li Zhao, Wen Su, Wen Su, Weicong Xu   +5 more
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Numerical Investigation on the Effect of Section Width on the Performance of Air Ejector with Rectangular Section

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, Jingming Dong, Shuaiyu Song, Xinxiang Pan, Nan He, Manfei Lu   +5 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, Rafal Fingas, Wojciech Szwajnoch, Jacek Smolka, Michal Palacz, Jakub Bodys, Andrzej J. Nowak   +6 more
doaj   +1 more source

Proton Exchange Membrane Fuel Cell Ejector Test Platform Design and Ejector Test Analysis

World Electric Vehicle Journal, 2021
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, Mingtao Hou, Jianhui Li, Yaowang Pei, Yangyang Wang   +4 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, Tongchana Thongtip   +1 more
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Numerical Investigation of the Expansion Devices Applied in Modern Vapour Compression Refrigeration Unit Considering Specific Entropy and Entropy Generation Analyses

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, Michal Haida, Jacek Smolka, Giorgio Besagni, Michal Palacz, Jakub Bodys, Andrzej J. Nowak   +6 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, Jiwei Yan, Neng Gao, Oleksii Volovyk, Yifan Zhou, Guangming Chen   +5 more
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Three-dimensional numerical study on the effect of radius of the equal-area mixing chamber on auxiliary entraining of the two-stage ejector

Case Studies in Thermal Engineering, 2023
In this study, for the two-stage ejector under three inlet conditions of air-conditioning, refrigerating and freezing, a three-dimensional simulation is used to study the impact of the mixing chamber radius of the first and second stage on the minimum ...
Jia Yan, Haiping Gao, Zheng Wang
doaj   +1 more source

Experimental Investigation of the Steam Ejector in a Single-Effect Thermal Vapor Compression Desalination System Driven by a Low-Temperature Heat Source

Energies, 2018
The paper presents an experimental investigation of a steam ejector in a single-effect thermal vapor compression (S-TVC) desalination system driven by a low-temperature (below 100 °C) heat source.
Jingming Dong, Weining Wang, Zhitao Han, Hongbin Ma, Yangbo Deng, Fengmin Su, Xinxiang Pan   +6 more
doaj   +1 more source