EFFICIENCY OF VACUUM-HEAT PIPE SOLAR COLLECTOR

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  • TITLE: EFFICIENCY OF VACUUM-HEAT PIPE SOLAR COLLECTOR
  • AUTHOR(S): V. M. Petkov
  • ABSTRACT: The instant and integral characteristics of vacuum-heat pipe solar collector with different design have been investigated. The variation of instant efficiency of solar collector with solar heat flux and temperature of the intermediate coolant during the day hours have been presented.
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