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May 10, 2024 ， This study investigates six composition determination methods, which are all non-invasive, five of which can be conducted during system operation.
Jun 16, 2024 ， It is found that the required refrigerant charge can be reduced as 3.13% to 35.9%, compared to R410A; besides, the coefficients of performance are elevated in ...
23 hours ago ， The study investigated the characteristics of different natural refrigerants and their mixtures in a residential heat pump with low refrigerant charge. Three ...
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Jun 15, 2024 ， The working fluids with GWP below 150 as substitutions in vapour-compression systems across six main applications have been exhaustively reviewed.
Jun 22, 2024 ， The choice of refrigerant directly affects cooling performance, and research on vehicle air conditioning (AC) systems can indirectly guide the BTM. R1234yf and ...
Mar 18, 2024 ， The purpose of this study is to examine the performance of R134a and three different combinations in which it is mixed with R32 at a 5% (in mass fractions) ...
Mar 1, 2024 ， The results indicated that the heating capacity of R1234yf systems with IHX averaged a 13.9% decrease compared with R134a systems, but the COP of the system ...
Apr 24, 2024 ， The other blends show a moderate difference of latent heat with R134a, but for maximum cooling capacity, the blends with 80% R134a–20% R1234yf and 50% R134a–10% ...
Jul 24, 2024 ， This study examines the performance of several alternative refrigerants, including R32, R134A, R410A, R22, and R290. In order to examine the performance of R290 ...
Jul 15, 2024 ， Experimental Assessment of the Effect of Refrigerant Charge Levels on Variable-Speed Heat Pump Performances. Philani Gift Hlanze1, Jie Cai1, Donghun Kim2. 1 ...