Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
6763715 | Renewable Energy | 2019 | 42 Pages |
Abstract
In this study, a thermal analysis of a finned receiver prototype for a thermosolar tower system is presented. The experimental system consists of parallelepiped aluminum enclosure of 1.2â¯m high, 1.23â¯m wide and 0.1â¯m depth. At the interior, 1232 cylindrical fins with a diameter of 0.0095â¯m (3/8â³) and 0.09â¯m length increases the heat transfer area up to 225%. The vertical wall receives the incoming solar concentrated radiation from a group of heliostats whilst at the interior a constant flow of water removes the absorbed energy. Experimental temperature profiles were obtained at different heights and depths and a comparison was made with numerical results obtained with the use of commercial CFD software. It was found that the maximum thermal efficiency of the receiver was 94.4%, decreasing as the radiative flux increases.
Keywords
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Physical Sciences and Engineering
Energy
Renewable Energy, Sustainability and the Environment
Authors
A. Piña-Ortiz, J.F. Hinojosa, R.A. Pérez-Enciso, V.M. Maytorena, R.A. Calleja, C.A. Estrada,