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1 Journal of New Technologies in Environmental Science

1 2021

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Influence of the coolant flow rate on the temperature conditions of the hybrid PV module operation

100%

Wysochin V. , Nikulshin V. , Denysova A.

tom Vol. 5, nr 3

100--105

Numerical researches of thermal regimes of a hybrid photovoltaic-thermal panels (PVT) for refrigerating conditions which are discriminated by way of a problem of the charge of heat-transfer agent are conducted. Two typical refrigerating duties PVT are observed, first of which is characterised not connected with sizes of an absorber the heat-transfer agent charge; second - a choice of the charge of heat-transfer agent depending on the absorber square. The work purpose - creation of a method of definition of temperature characteristics of thermal regimes for their rationalisation. Features of the observed regimes are shown. Proceeding from interconnection of temperatures of an absorber of a radiant energy and chilling heat-transfer agent, for generalisation of the solution of system of the equations the temperature factor is inducted. It defines a relationship of change of temperature of heat-transfer agent and average temperature of an absorber and is a parametre of efficiency of a heat transport from an absorber to chilling heat-transfer agent. As showed the analysis, the greatest agency on heat transport efficiencyratio under constant regime conditions is rendered by intensity of irrradiation, ambient temperature and absorber sizes. At the heat-transfer agent charge, connected with the absorber area, its magnitude does not influence heat transport efficiencyratio. Generalising dependences for calculation of temperature characteristics are offered.