1981
DOI: 10.1016/0198-7593(81)90013-8
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A study of the operating characteristics of a water-to-water heat pump system using R22

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1981
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Cited by 5 publications
(3 citation statements)
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“…The developed model in the current work was adapted to the operating conditions of the experiments performed by [21]. The above mentioned values of the mechanical and electrical efficiencies are used in the model; besides the isentropic efficiency of the refrigerant compressor was assumed 80%.…”
Section: Resultsmentioning
confidence: 99%
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“…The developed model in the current work was adapted to the operating conditions of the experiments performed by [21]. The above mentioned values of the mechanical and electrical efficiencies are used in the model; besides the isentropic efficiency of the refrigerant compressor was assumed 80%.…”
Section: Resultsmentioning
confidence: 99%
“…The experiments which have been carried out at the Department of Chemical Engineering at University of Salford with a water-to-water heat pump system using R22 [21] have been utilized for the comparison of the predicted COP with the measured values. These experiments were done for temperature lift T c À T e in the range of 20-50°C and for evaporating temperature in the range of 2-4°C.…”
Section: Resultsmentioning
confidence: 99%
“…The mean of the unaccounted for heat losses from the rest of the system was 11.35 per cent with a standard deviation of 1.387 per cent. Experimental heat pump system 2 was designed after experience with the above unit and with specially designed research heat pumps (El Meniawy, Watson and Holland, 1980Holland, , 1981 ; Gutierrez et al, 1979). The results of 29 experimental runs, using R l l as the working fluid, are shown in Figure 10 together with the 'best fit' curve representing the data.…”
Section: Discussion Of Resultsmentioning
confidence: 99%