Research Paper | Mechanical Engineering | India | Volume 6 Issue 6, June 2017
Analysis of Transient Heat Conduction in Different Geometries
Abstract: Present work deals with the analytical solution of unsteady state one-dimensional heat conduction problems. An improved lumped parameter model has been adopted to predict the variation of temperature field in a long slab and cylinder. Polynomial approximation method is used to solve the transient conduction equations for both the slab and tube geometry. A variety of models including boundary heat flux for both slabs and tube and, heat generation in both slab and tube has been analyzed. Furthermore, for both slab and cylindrical geometry, a number of guess temperature profiles have been assumed to obtain a generalized solution. Based on the analysis, a modified Biot number has been proposed that predicts the temperature variation irrespective the geometry of the problem. In all the cases, a closed form solution is obtained between temperature, Biot number, heat source parameter and time. The result of the present analysis has been compared with earlier numerical and analytical results. A good agreement has been obtained between the present prediction and the available results
Keywords: lumped model, polynomial approximation method, transient, conduction, modified Biot number
Edition: Volume 6 Issue 6, June 2017,
Pages: 1039 - 1041
How to Cite this Article?
Atul Kumar, "Analysis of Transient Heat Conduction in Different Geometries", International Journal of Science and Research (IJSR), Volume 6 Issue 6, June 2017, pp. 1039-1041, https://www.ijsr.net/get_abstract.php?paper_id=ART20174459
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