Modeling of the warm water displacement from stratified tanks of integrated collector storage solar water heaters


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Abstract

The numerical modeling of warm water displacement from an inclined tank of an integrated collector storage solar water heater was performed, connection schemes of two heaters and the location of a supply and an extraction pipes were compared. It was shown that the parallel connection of heaters provides the stability of the stratification and a higher heat pickup than the series one, and the diagonal layout of the pipes in a stratified tank is preferable. The picture of thermocline dissipation was studied and the strong influence of the displacing fluid temperature on the degree of stratification was shown.

About the authors

M. Yu. Oshchepkov

Politermo Ltd.

Email: s_frid@oivtran.ru
Russian Federation, Sneigiri, Moscow region

S. E. Frid

Joint Institute for High Temperatures

Author for correspondence.
Email: s_frid@oivtran.ru
Russian Federation, Moscow

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