نتایج جستجو برای: domestic photovoltaic thermal system
تعداد نتایج: 2483309 فیلتر نتایج به سال:
Radiative cooling, a unique and uncommon passive cooling method for devices operating outdoors, has recently been demonstrated to be effective for photovoltaic thermal management. In this work, we investigate the effect of radiative cooling as a complement to existing passive cooling methods like convective cooling in a related system with much higher heat loads: a high-concentration photovolta...
This paper discusses the effect of jet impingement of water on a photovoltaic thermal (PVT) collector and compound parabolic concentrators (CPC) on electrical efficiency, thermal efficiency and power production of a PVT system. A prototype of a PVT solar water collector installed with a jet impingement and CPC has been designed, fabricated and experimentally investigated. The efficiency of the ...
Utilization of solar energy can be found in various domestic and industrial applications. The performance of any solar collector is largely affected by various parameters such as glazing, absorber plate, top covers, and heating pipes. Technology improvements have brought us another method for conversion of solar energy to direct electricity using solar photovoltaic system. Utilization and extra...
This manuscript illustrates the measurement results of parameters describing quality energy at PCC (point common coupling) a photovoltaic micro-installation that can significantly affect devices in same power grid. The analyses reflecting heating selected used domestic installations, which were performed an isolated laboratory environment, are also indicated. conducted study aimed checking ther...
Nomenclature Ac collector area (m 2) Cb bond conductance (W/m·K) Cp specific heat (J/K·kg) De external pipe diameter (m) Di internal pipe diameter (m) FR heat removal factor hfi heat transfer coefficient (W/m 2·K) k thermal conductivity (W/m·K) ṁ mass flow rate (kg/sec) Qu useful energy per unit time (W) Ta ambient temperature (°C) Tpm average plate temperature (°C) UL overall heat loss coeffic...
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