Experimental Investigation on the CO2 Two-phase Ejector with Different Nozzle Exit Positions
Zhileng xuebao, 2021 The ejector is one of the key components of a transcritical CO2 ejector expansion refrigeration system, and the nozzle exit position (NXP) is the main geometric parameter.
Zhang Xiping +3 more
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ThermoIn this work, different CFD models to compute flows inside a steam ejector were investigated. The results were compared to the analytical models as well as the experimental results from the literature.
Hugues Charton +2 more
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Non-equilibrium approach in simulations of the R744 flow through the motive nozzle of the two-phase ejector [PDF]
, 2020 The ejector technology for R744 systems was continuously improved over the last two decades in the area of control and design processes. The latter should be related with a significant interest on modelling approaches including numerical simulations ...
Haida, Michal +4 more
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Uma Análise de modelos de projeto de ejetores e aplicações em ciclos de refrigeração utilizando o vapor d´água e CO2 [PDF]
, 2012 Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia MecânicaO fenômeno do aquecimento global tem incentivado as pesquisas em sistemas eficientes e que não agridam o meio ambiente, com ...
Iglesias, José Miguel Cardemil
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Energetic and exploitation characteristics of a two-phase ejecting vacuum system built in the paper machine at A.D. Komuna Skopje [PDF]
Hemijska Industrija, 2004 This work presents the concept of a two-phase ejecting vacuum system. The energetic characteristics of these systems were analyzed and compared to those with mechanical pumps with water ring and turbo compressor vacuum pumps.
Šarevski Milan +3 more
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Experimental Performance of a Two-Phase Ejector: Nozzle Geometry and Subcooling Effects
Inventions, 2020 This paper presents the results of an experimental study on a two-phase ejector. The main objective is to assess the effects of the nozzle’s divergent and the throat diameter on performance under various working conditions.
Khaled Ameur +2 more
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A new flow modulation technique for R744 two-phase ejectors
, 2021 A new flow modulation technique for R744 two-phase ejectors at 7th International Symposium on Advances in Refrigeration and Heat Pump ...
openaire +1 more source
Analysis and Comparison of Two-Phase Ejector Performance Metrics for R134a and CO2 Ejectors [PDF]
, 2014 Two-phase ejectors have been gaining increased attention in recent years due to their ability to directly improve the COP of the cycle. Of common interest in two-phase ejector studies is how the ejector improves cycle COP. However, less emphasis is often
Lawrence, Neal, Elbel, Stefan
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Exergy analysis of operation of two-phase ejector in compression refrigeration systems [PDF]
, 2013 Paper deals with theoretical analysis of possible efficiency increase of compression refrigeration cycles by means of application of a two-phase ejector.
Dudar, A. +3 more
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Inventions, 2019 Two-phase ejectors play a major role as refrigerant expansion devices in vapor compression systems and can find potential applications in many other industrial processes.
Zine Aidoun +3 more
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