Analysis on Heat Transmission and Fluid Flow Attributes in Solar Air Accumulator Passage with Diverse Faux Jaggedness Silhouettes on Absorber Panel
Shivasheesh Kaushik1, Satyendra Singh2
1Shivasheesh Kaushik, Department of Mechanical Engineering, Shivalik College of Engineering, Uttarakhand Technical University, Dehradun (Uttarakhand), India.
2Satyendra Singh, Department of Mechanical Engineering, B.T.K.I.T. Dwarahat, Uttarakhand Technical University, Dehradun (Uttarakhand), India.
Manuscript received on 25 August 2019 | Revised Manuscript received on 01 September 2019 | Manuscript Published on 14 September 2019 | PP: 32-41 | Volume-8 Issue-5S3, July 2019 | Retrieval Number: E10110785S319/19©BEIESP | DOI: 10.35940/ijeat.E1011.0785S319
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Abstract: There is a necessity to investigate the heat transmission and fluid cascade peculiarities of solar air convectors using varying faux irregular surface and shapes on absorber sheet, so that the solar devices utilize maximum amount of available solar radiated heat energy during day time. These artificial roughness shapes are use for the enhancement of thermal performance. This need arises from the fact that the heat circulation and liquid cascade trait have been investigated by the previous investigators only for the cases that differ considerably from those relevant to solar air brazier having different screen matrix placed in the planes parallel to the flow direction and that the radiant energy being absorbed in depth. In our present research paper we investigating experimentally the behavior of artificial irregularities located over absorber platter of solar air heater vessel of varying shapes like trapezoidal, sin wave, rectangular, alternative elliptical shape pattern etc, with different Reynolds Number range 4000 to 24000, mass flow rate on Nusselt Number and Friction Factor and also find the suitable optimum shape for heat transmission enhancement. The results indicated the best heat transfer enhancement results for the alternative elliptical shape pattern among other artificial roughness with range of 0.0786kg/s – 0.475kg/s mass flow rate with thermal efficiency near about 78%.
Keywords: Aluminum Sheet, Artificial Roughness, Heat Transfer Characteristics.
Scope of the Article: Heat Transfer