STM Journals Peer-reviewed research from Consortium e-Learning Network

Journal of Refrigeration, Air conditioning, Heating and ventilation

Analysis of Thermo Hydraulic Performance of Artificial V-Rib Roughness of Solar Air Heater: A Review

  1. Mithilesh Kumar
  2. K.D.P. Singh

Abstract

Solar air heaters (SAHs) are the simplest energy conversion device which transforms incoming solar radiation to thermal energy. In traditional SAH the convective heat transfer rate is low. To improve heat transfer rate the artificial rib roughness is employed on the absorber plate. Although rib roughness increases the heat transfer rate, as well as the pressure drop due to friction. So in order to achieve maximum increment in thermo hydraulic performance it is vital to find optimum rib geometrical parameters. Rib roughness is partite into four categories: (1) transverse, (2) inclined, (3) V shaped and (4) arc shape. This review article discusses the different V shaped rib roughness and their effect on performance of SAH.

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