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Dec 31, 1994 ¡¤ An experimental study was conducted in which the performance of three blends of R-134a and R-32 was compared to that of R-22. The effect of ...
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The impact of charge on the cooling performance of an air-to-air heat pump for R-22 and three binary blends of R-32 and R-134a ¡¤ J. RobinsonD. Oneal.
The models had large errors in predicting the absolute charge in the system. Even when the models were tuned at the design condition for measured superheat and ...
All the blends of R-32/R-134a and R-32/R-152a had steady-state efficiency levels within 2% of R-22 perfor- mance levels but lower capacity levels. ... The R-32/R- ...
Jul 17, 2014 ¡¤ Robinson, J. H., 1993, The Impact of Charge on Performance of an Air-to-Air Heat Pump for R-22 and Three Binary. Blends of Refrigerants 32 ...
This paper presents experimental investigation on the performance of a window air conditioner operated with R22 and the M20 (80% R407C and 20% HC blend by wt.) ...
May 29, 2001 ¡¤ The impact of charge on the cooling performance of an air-to-air heat pump for R-22 and three binary blends of R-32 and R-134a. ASHRAE ...
¡°The Impact of Charge on the Cooling Performance of an. Air-to-air Heat Pump for R-22 and Three Binary Blends of R-32 and R-134a.¡± ASHRAE. Transactions 100 (2): ...
Oct 22, 2024 ¡¤ The main purpose of this study was to investigate the possibilities of using R134a as a working fluid to replace R22 for vapor compression heat pumps.
A method is presented for determining the refrigerant charge level in a unitary air conditioning or heat pump system. The method is based on performance ...