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Investigation of Refrigerant Leakage of Rolling Piston Compressors Used in Air Conditioning
Zhileng xuebao, 2003 Refrigerant leakage in rolling piston compressor is mainly processed by the mode that the refrigerant dissolves into the lubricant. This article used lubricant's flow model to simulate and calculate the amount of refrigerant leakage in the system.
晏刚 +5 more
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Numerical Simulation of Gas-Liquid Two-Phase Leakage of R-290 Refrigerant in Split Air Conditioner [PDF]
E3S Web of Conferences, 2022 R290 as a refrigerant has significant advantages of low cost, high energy efficiency, and more environmental protection, but the leakage will form a hazardous area inside the indoor unit and the room where the concentration exceeds the lower flammable ...
Zhang Qianru +3 more
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Hybrid system development and application research for refrigerant leak inspection
Research and Review Journal of Nondestructive Testing, 2023 Recently, record-breaking heatwaves due to global warming and abnormal weather have occurred in the summer, and sales and usage of air conditioners are rapidly increasing.
Yeongil Choi +3 more
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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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Fault detection model for a variable speed heat pump
Journal of Engineering and Applied Science, 2023 The impact of the COVID pandemic has resulted in many people cultivating a remote working culture and increasing building energy use. A reduction in the energy use of heating, ventilation, and air-conditioning (HVAC) systems is necessary for decreasing ...
Samuel Boahen +6 more
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Applied Sciences, 2022 Some alternative refrigerants with excellent environmental performance often have different flammable limits. When refrigerant leaks, the external space may have a certain explosion risk if the refrigerant is not diffused timely.
Yalun Li +6 more
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Refrigerant Charge Prediction of Vapor Compression Air Conditioner Based on Start-Up Characteristics
Applied Sciences, 2021 Refrigerant charge faults, which occur frequently, increase the energy loss and may fatally damage the system. Refrigerant leakage is difficult to detect and diagnose until the fault has reached a severe degree.
Yechan Yun, Young Soo Chang
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Case Studies in Thermal Engineering, 2023 The ground source heat pump (GSHP) system is receiving increasing interest because of its potential to increase energy efficiency and thus reduce greenhouse gas emissions.
Fang Wang, Tian You
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Simulation Research on Leakage of Vehicle CO2 Air Conditioning System
Zhileng xuebao, 2023 As a safe, efficient, and environmentally friendly natural working fluid, CO2 is the primary choice for future automotive air conditioners. To consider the comfort and safety problem of an excessive CO2 volumetric concentration in the passenger cabin ...
Zong Shuo +4 more
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Study on Leakage Diffusion of R1234yf Vehicle Air Conditioner
Zhileng xuebao, 2022 The thermal management system of electric vehicles is different from that of traditional passenger vehicles. For electric vehicles with a heat pump system and liquid cooling battery, the refrigerant charge is increased by 400–800 g compared with ...
Wang Linlin, Yang Zhao, Wang Dan
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