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Photovoltaic thermal hybrid solar collector
About: Photovoltaic thermal hybrid solar collector is a research topic. Over the lifetime, 8688 publications have been published within this topic receiving 232734 citations.
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TL;DR: In this paper, the results of six experimental configurations of solar-thermal collectors are presented and analyzed, and the results showed that the hybrid solar collectors would be able to cover approximately 60% of the dwelling's hot water needs for days with low levels of solar radiation.
75 citations
01 Jan 2008
TL;DR: In this article, a detailed analysis of a solar flat plate collector is presented, which combines a number of the most important factors into a single equation and thus formulate a mathematical model which will describe the thermal performance of the collector in a computationally efficient manner.
Abstract: In the solar-energy industry great emphasis has been placed on the development of "active" solar energy systems which involve the integration of several subsystems: solar energy collectors, heat-storage containers, heat exchangers, fluid transport and distribution systems, and control systems. The major component unique to active systems is the solar collector. This device absorbs the incoming solar radiation, converting it into heat at the absorbing surface, and transfers this heat to a fluid (usually air or water) flowing through the collector. The warmed fluid carries the heat either directly to the hot water or space conditioning equipment or to a storage subsystem from which can be drawn for use at night and on cloudy days. A precise and detailed analysis of a solar flat plate collector is quite complicated because of the many factors involved. Efforts have been made to combine a number of the most important factors into a single equation and thus formulate a mathematical model which will describe the thermal performance of the collector in a computationally efficient manner.
75 citations
TL;DR: In this article, the authors present an innovative and comprehensive literature review on solar systems integrated with environmental-friendly processes as absorption heat pumps and thermal energy storages, and a discussion about the improvement of cooling applications respecting the environment is also presented.
Abstract: Renewable energy sources (including hydropower, wind, biomass, geothermal, tidal, wave and solar energy sources) can satisfy the present and future energy demands, with minor environmental impact respect to traditional sources of energy. Solar energy is the cheapest and widely available renewable energy and solar cooling systems are a green cold production technology that produce minor CO2 emissions due to use of heat pumps. Infect, absorption refrigeration is a mature technology that has proved its applicability with the possibility to be driven by low grade solar energy. In this contest, thermal storage systems contribute to balance the disadvantages of the intermittent nature of solar energy and the variation in cooling demand, receiving more attention of researchers in the recent years. This paper presents an innovative and comprehensive literature review on solar systems integrated with environmental-friendly processes as absorption heat pumps and thermal energy storages. A study about processes regarding the renewable and sustainable energy according the European policy is carried out. Photovoltaic and photovoltaic/thermal solar systems can be used to this purpose and are the most promising technologies growing very fast in recent years. Researches show that one, half, two effect of absorption heat pumps integrated with solar systems and thermal energy storages can be an attractive alternative in cooling systems, meeting the demands for energy conservation and environmental protection. Showing various systems, a discussion about the improvement of cooling applications respecting the environment is also presented in this paper.
75 citations
TL;DR: In this article, the performance characteristics of a hybrid power plant have been developed with turbine inlet condition (pressure and temperature) and variation in solar energy sharing, and a case study has been carried out to validate the thermodynamic cycle results.
75 citations
TL;DR: In this paper, the authors examined the feasibility of a low-profile concentrated solar thermal collector to provide medium-temperature heat to commercial buildings for both heating and cooling purposes, aiming to reduce their non-renewable energy consumption levels.
75 citations