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Developing and testing solar collectors
Progress in Agricultural Engineering Sciences, 2009A relatively new trend is the development of concentrator-type solar collectors and cells for the use in micro-concentrators. The geometry of these concentrators is simple, the reflexion surfaces or mirrors are usually flat-plate surfaces. The relations of radiation in the inner spaces of these collectors are complicated.
Patay, István +2 more
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ASME 2009 3rd International Conference on Energy Sustainability, Volume 2, 2009
Fundamental to the design of solar trough collectors is that a suitable structure must be provided for positioning and support of mirrors, as well as pipes for transporting heat transfer fluids. These elements and related hardware are basic to the level of investment necessary for fabrication of collectors.
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Fundamental to the design of solar trough collectors is that a suitable structure must be provided for positioning and support of mirrors, as well as pipes for transporting heat transfer fluids. These elements and related hardware are basic to the level of investment necessary for fabrication of collectors.
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Solar collector overheating protection
Solar Energy, 2009Prismatic structures in a thermal solar collector are used as overheating protection. Such structures reflect incoming light efficiently back whenever less thermal power is extracted from the solar collector. Maximum thermal power is generated when the prismatic structure is surrounded by a switching fluid with an index of refraction comparable to that
R.P. Griessen, Martin Slaman
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Solar Divergence Collimators for Collector Tests
Advances in Science and Technology, 2010The use of solar divergence collimators is the key for reliable optical tests that reproduce the on-field collector operating conditions. Aiming to test small (<80 mm diameter/diagonal) and large concentrators (80-240 mm diameter/diagonal range), the collimator geometry should be evaluated because of some optical errors introduced by the need of ...
Sani E +5 more
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High Concentration Solar Collectors
2012Solar thermal concentrated power is an emerging technology that provides clean electricity for the growing energy market. To the solar thermal concentrated power plant systems belong the parabolic trough, the Fresnel collector, the solar dish, and the central receiver system.
Hoffschmidt, Bernhard (Prof. Dr.-Ing.) +4 more
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Solar Energy, 1978
Abstract In order that tests on different solar collectors conducted at different times shall be comparable, it is necessary that the test define the governing equation of the collector. This involves measurements at different solar intensities, different operating temperatures and different flow rates.
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Abstract In order that tests on different solar collectors conducted at different times shall be comparable, it is necessary that the test define the governing equation of the collector. This involves measurements at different solar intensities, different operating temperatures and different flow rates.
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Recent progress in solar water heaters and solar collectors: A comprehensive review
, 2021S. Ahmed +6 more
semanticscholar +1 more source
Nanofluids for flat plate solar collectors: Fundamentals and applications
, 2021O. A. Alawi +6 more
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An up-to-date review on evacuated tube solar collectors
Journal of Thermal Analysis and Calorimetry, 2020Arvind Kumar, Z. Said, Evangelos Bellos
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