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The potential for heat pumps in drying and dehumidification systems III: An experimental assessment of the dehumidification characteristics of a heat pump dehumidification system using R114
Author(s) -
Tai K. W.,
Devotta S.,
Watson F. A.,
Holland F. A.
Publication year - 1982
Publication title -
international journal of energy research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.808
H-Index - 95
eISSN - 1099-114X
pISSN - 0363-907X
DOI - 10.1002/er.4440060404
Subject(s) - evaporator , superheating , heat pump , thermodynamics , coefficient of performance , thermal expansion valve , dry bulb temperature , mechanics , power consumption , power (physics) , physics , heat exchanger , relative humidity
Experimental data from the heat pump dehumidifier described in Part II (Tai et al , 1982) are presented in terms of the specific power consumption (SPC). Plots are presented of (SPC) against superheat at the exit of the evaporator for various air bypass ratios and (SPC) against approach velocity of air to the evaporator for various dry bulb temperatures. These all show a minimum value of (SPC). A plot of (SPC) and (COP) A against the superheat at the exit of the evaporator shows that the minimum value of (SPC) coincides with the maximum value of (COP) A .