期刊
HEAT TRANSFER-ASIAN RESEARCH
卷 48, 期 4, 页码 1225-1244出版社
WILEY
DOI: 10.1002/htj.21428
关键词
convective fin; heat transfer; hybrid block method; interpolation; thermal analysis
Purpose In this study, an implicit one-step hybrid block method using two off-step points involving the presence of a third derivative for solving second-order boundary value problems are subjected to Dirichlet-mixed conditions. Methodology To derive this method, the approximate power series solution is interpolated at {xn,xn+25} while its second and third derivatives are collocated at all points {xn,xn+25,xn+35,xn+1} on the integrated interval of approximation. Findings The new derived method not only performs better compared with the existing methods when solving the same problems but also obtains better properties of the numerical method. Afterward, the proposed method is applied to solve the problem of a convective fin with temperature-dependent internal heat generation. The effects of various physical parameters on temperature distribution are also examined.
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