Experimental study of R290 replacement R134a in cold storage air conditioning system
Case Studies in Thermal Engineering, 2022 R290 refrigerant offers good environmental protection and thermodynamic characteristics. The feasibility of R290 replacing R134a was summarized through theoretical analysis and experimental tests in this paper.
Huifan Zheng
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Experimental investigation on combustion characteristics of flammable refrigerant R290/R1234yf leakage from heat pump system for electric vehicles [PDF]
Royal Society Open Science, 2020 Concerning the issues regarding driving mileage reduction for electric vehicles (EVs) in cold climates, a heat pump system with low global warming potential refrigerant R290/R1234yf is employed as one of the promising solutions. Different from the widely
Kang Li +7 more
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Room air conditioning performance using liquid-suction heat exchanger retrofitted with R290
Case Studies in Thermal Engineering, 2019 In this paper, a study of room air conditioning performance when using a liquid-suction heat exchanger retrofitted with R290 has been carried out with the aim of determining the influence of LSHX and R290 in terms of refrigeration effect, power ...
D M Nasution, Nugroho Agung Pambudi
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Investigation on the Miscibility of Lubricants with Natural Refrigerant R290
Zhileng xuebao, 2013 In order to explore the miscibility of lubricants with the natural refrigerant R290, an experimental device was established. The miscibility of naphthenic oil, paraffinic oil, polyol ester, polyalkylene glycol and alkylbenzene with the natural ...
Yang Ruijie +5 more
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Performance Experiment of R290/CO2 Cascade Refrigeration System
Zhileng xuebao, 2007 Performance experiments of R290/CO2 cascade refrigeration system were conducted. The performance of a cascade refrigeration system having a high temperature cycle using R290 as refrigerant and a CO2 based low temperature cycle was compared with that of a
宁静红, 李惠宇, 彭苗
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Application of R290 in High-powered Commercial Water Chiller
Zhileng xuebao, 2018 In this article, a model used to predict the R290 refrigerant charge in a high-powered commercial water chiller was developed, and the error is within 3%.
Liu Cichong +5 more
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Theoretical analysis of a Low GWP Refrigerants as a Drop in substitute of R134a in a Domestic Refrigerator [PDF]
Iranica Journal of Energy and Environment, 2018 Now a days Fridges and Air-conditioners are mostly used in domestic environment. The CFCs have been almost ruled out since 1995 due to their huge impact on the ozone layer, due to the above problem HFC refrigerants are introduced but these are having a ...
M. Shaik Sk, K. Srinivas
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In-tube Evaporation Pressure-drop Characteristics of R290 and R404A
Zhileng xuebao, 2006 The experimental results of in-tube evaporation pressure-drop of R290 and R404A in the horizontal smooth tube and the horizontal microfin tube were compared with calculation results by Lockhart & Martinelli pressure-drop correlation,respectively.Moreover,
韩晓霞, 南晓红, 刘咸定
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Energies, 2021 In this paper, the impact of different factors on the flow boiling of R290 and R22 in double-concentric pipes are investigated through CFD numerical simulations. The numerical studies are performed by changing the inner tube diameter in the range of 3 to
Jinfeng Wang, Shenglin Zhu, Jing Xie
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Experimental investigation on split type window Air conditioner using HFC and HC mixture as ecofriendly refrigerant alternate to HCFC-22 [PDF]
E3S Web of Conferences, 2023 This paper reports on an experimental study evaluating a window air conditioner's performance when R152a/R290/R600/R600a refrigerant mixture (by various mass percentages) is used as a possible alternative to R-22.
Karthik Ganapathi +3 more
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