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Investigating performance improvement of solar collectors by using nanofluids
Javadi, F.S.; Saidur, R.; Kamalisarvestani, M. - In: Renewable and Sustainable Energy Reviews 28 (2013) C, pp. 232-245
The present review is an extensive perspective of the research progress arisen in the performance of solar collector using nanofluids. The increase in the price of fossil fuels and rapid depletion of conventional energy sources are among the major energy concerns. Solar collector, as a kind of...
Persistent link: https://www.econbiz.de/10010709398
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Numerical modeling flow and heat transfer in dimpled cooling channels with secondary hemispherical protrusions
Liu, Jian; Song, Yidan; Xie, Gongnan; Sunden, Bengt - In: Energy 79 (2015) C, pp. 1-19
-size secondary protrusion placed upstream of the dimple. The objective is to determine the most optimal configuration for augmenting … secondary protrusions placed upstream of the dimple. All turbulent fluid flows and surface heat transfer results are obtained … cause downward flows and reduce the extent of the recirculating flows in the adjacent primary dimple and then greatly …
Persistent link: https://www.econbiz.de/10011190888