CFD Investigation of Thermo-hydraulic Performance in Rib Roughened Fin Under Forced Convection
Keywords:CFD, rib roughened fin, Nusselt number, friction factor, Reynolds number
Here, a for the purpose of investigating the thermo-hydraulic performance of, numerical simulation is performed. a fin with rib roughening and induced convection. The next paragraphs give the analysis. If we do numerical simulations under a variety of fluid flow situations and look at how they interact with one another, we might be able to obtain numerical information on the heat transfer and friction caused by a ribbed fin. We would need to examine how they interact in order to do this. There is a broad spectrum of rib pitch to rib height ratios (P/e) that are possible. it was feasible to gather data on fluid flow and temperature distribution in a validated numerical model by raising the Reynolds Number from 500 to 5000. These ratios were used to assess how effectively the model operated. To Charts that are based on the Nusselt Number and the friction factor are used in order to evaluate the thermal and hydraulic characteristics of rib-roughened fins. The findings from the rib roughened fin geometry are compared with those of a plain fin in order to determine the degree of efficiency that the test fin possesses in terms of eliminating heat from its base under operating conditions that are otherwise comparable to those previously described. This analysis was carried out to ascertain the degree of efficacy that the test fin possesses in terms of removing heat from its base. The ribbed fin’s P/e ratio of 6 contributes to the substantial increase in heat transport while also reducing friction.
Han J.C., Glicksmanan L.R. and Rohsenow W.M. “An investigation of heat transfer and friction for rib-roughened surfaces”, Int. J. Heat & Mass Transfer, Vol. 21; pp. 1143–1156.
Rongguang Jia, Masoud Rokni and Bengt Sundeń “Impingement cooling in a rib-roughened channel withcross-flow”, International Journal of Numerical Methods for Heat & Fluid Flow, Vol. 11; No. 7, pp. 642–662 (2001).
Iaccarino G., Ooi A. and Durbin P.A., Behnia M. “Conjugate heat transfer predictions in two-dimensional ribbed passages”, International Journal of Heat and Fluid Flow, Vol. 23; pp. 340–345 (2002).
Ligrani P.M. and Mahmood G.I. “Spatially Resolved Heat Transfer and Friction Factors in a Rectangular Channel With 45-Deg Angled Crossed-Rib Turbulators”, ASME, Vol. 125; Issue July, pp. 575–584 (2003).
Xiufang Gao and Bengt Sundeń, “Effects of Inclination Angle of Ribs on the Flow Behavior in Rectangular Ducts”, ASME Vol. 126; Issue July, pp. 692–699 (2004).
Gupta M.K. and Kaushik S.C. “Performance evaluation of solar air heater for various artificial roughness geometries based on energy, effective and exergy efficiencies”, Renewable Energy, Vol. 34; pp. 465–476 (2009).
Bilen K., Yapici S. and Celik C., “A Taguchi approach for investigation of heat transfer from a surface equipped with rectangular blocks”, Energy Convers Manage, Vol. 42; pp. 951–961, (2001).
LayekApurba. “Optimal thermo-hydraulic performance of solar air heater having chamfered rib-groove roughness on absorber plate”, IJEE, Vol. 1; Issue 4, pp. 683–696. (2010).
Shaeri, M.R., Yaghoubi, M., “Heat transfer analysis of lateral ribbed fin heat sinks”, Applied Energy, Vol. 86; pp. 2019–2029, (2009).
Patel I.H. and BorseSachin, L. “Experimental investigation of heat transfer enhancement over the dimpled surface”, IJEST, Vol. 4; Issue 08, August pp. 3666–3672 (2012).
Seo P.D. “Experimental and numerical study of laminar forced convection heat transfer for a dimpled heat sink”, A Thesis Submitted to the Office of Graduate Studies of Texas A&M University (2007).
Yadav Anil Singh and Bhagoria J.L. “Modeling and Simulation of turbulent flows through a solar air heater having square-sectioned transverse rib roughness on the absorber plate”, The Scientific World Journal Volume, Article ID 827131 (2013).
Jörg Franke, Antti Hellsten, HeinkeSchlünzen, and Bertrand Carissimo “Best practice guideline for the CFD simulation of flows” COST Action 732, (2007).
Leung C.W, Probert S.D., “Heat exchanger performance: effect of orientation”, Appl Energy, Vol. 55; pp. 33–35, (1989).
Nakamura H., Igarashi T. and Tasutsui T., “Local heat transfer around wall-mounted cube in the turbulent boundary layer” Int. J. Heat & Mass Transfer, Vol. 44; pp. 3385–3395 (2001).
Webb R.L., and Eckert R.G, “Application of rough surfaces to heat exchanger design,” International Journal of Heat and Mass Transfer, Vol. 15, Issue 9, pp. 1647–1658, 1972.
Panwar, K., Murthy, D. S. “Analysis of thermal characteristics of the ball packed thermal regenerator”, Procedia Engineering, 127, 1118–1125.
Panwar, K., Murthy, D. S. “Design and evaluation of pebble bed regenerator with small particles” Materials Today, Proceeding, 3(10), 3784–3791.
Bisht, N., Gope, P. C., Panwar, K. “Influence of crack offset distance on the interaction of multiple cracks on the same side in a rectangular plate”, Frattura ed IntegritàStrutturale” 9(32), 1–12.
Panwar, K, Kesarwani, A, “Unsteady CFD Analysis of Regenerator”, International Journal of Scientific & Engineering Research, 7(12), 277–280.
Singh, I., Bajpai, P. K., and Panwar, K. “Advances in Materials Engineering and Manufacturing Processes.