Effect of Variation in Pitch of Tube on Heat Transfer Rate in Automobile Radiator by CED Analysis
P. K. Trivedi1, N. B.Vasava2
1P. K. Trivedi,
Manuscript received on July 17, 2012. | Revised Manuscript received on August 25, 2012. | Manuscript published on August 30, 2012. | PP: 180-183 | Volume-1 Issue-6, August 2012. | Retrieval Number: F0657081612/2012©BEIESP
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© The Authors. Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
Abstract: The demand for more powerful engines in smaller hood spaces has created a problem of insufficient rates of heat dissipation in automotive radiators. This has lead to the increased demand on the power packed radiators, which can dissipate maximum amount of heat for any given space. The geometry of the finned-tube heat exchanger is an intricate one and there are no analytical optimization schemes available to optimize their design, while experimental trial and error is far too time consuming. The radiator designs at present depend on the empirical methods, wherein existing experimental data is used as the thumb rules for the design process. However, for any preliminary design the performance of the radiator can be accessed through Computational Fluid Dynamics (CFD) in prior to the fabrication and testing. In this thesis, first of all solid modeling of heat exchanger in Solid works is prepared and then this solid model is transferred to ANSYS Workbench mesh module for meshing. After completing meshing, this meshed model is transferred to ANSYS CFX for CFD Analysis. Once CFD Analysis is completed with ANSYS CFX, all the flow parameters like heat transfer rate, temperature contour etc. is identified. After getting all the flow parameter it is possible to examine how the heat transfer rate of radiator can be enhanced. For that purpose one geometrical parameter e.g. pitch of tube is varied. As a result of this parametric study, the effect of pitch of tube for best configured radiator for optimum performance is suggested.
Keywords CFD, Heat transfer, Modeling, Pitch, radiator design, Simulation, etc.