Abstract
Enhancement of heat transfer rate in automobiles is one of the key research areas currently. To address one such heat transfer issue, the authors have attempted a detailed study about mixed convection heat transfer for a fluid in a lid driven square cavity with different blockages placed at the center of cavity and are maintained at constant wall temperature at a steady state condition. The fluid flow is due to the top wall which is in motion while the other walls are kept stationary. The governing differential equations are solved for a range of dimensionless constants like Reynolds number from 1 to 1000, Prandtl number from 1 to 100 and Grashof’s number from 0 to 105. It is observed that the heat transfer is more in triangular blockage when compared to that of square and cylindrical blockages. Also, in case of blockages with grooves, more heat transfer is observed in triangular blockage than square and cylindrical ones with grooves. Out of all cases studied in the current work, heat transfer rate is found to be better in triangular blockage with grooves.
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Sanjana Reddy, D., Ranjani, Y., Mukeshanand, M., Srinivas, M.S., Lalith Kumar, D., Dineshkumar, L. (2020). Characteristics of Mixed Convective Flowover Fins for Automobile Application. In: Vijayaraghavan, L., Reddy, K., Jameel Basha, S. (eds) Emerging Trends in Mechanical Engineering. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-32-9931-3_11
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DOI: https://doi.org/10.1007/978-981-32-9931-3_11
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