Modelling and simulation techniques for forced convection heat transfer in heat sinks with rectangular fins Export

@article{citeulike:4822544, abstract = {This paper provides a comprehensive description of the thermal conditions within a heat sink with rectangular fins under conditions of cooling by laminar forced convection. The analysis, in which increasing complexity is progressively introduced, uses both classical heat transfer theory and a computational approach to model the increase in air temperature through the channels formed by adjacent fins and the results agree well with published experimental data. The calculations show how key heat transfer parameters vary with axial distance, in particular the rapid changes in heat transfer coefficient and fin efficiency near the leading edges of the cooling fins. Despite these rapid changes and the somewhat ill-defined flow conditions which would exist in practice at the entry to the heat sink, the results clearly show that, compared with the most complex case of a full numerical simulation, accurate predictions of heat sink performance are attainable using analytical methods which incorporate average values of heat transfer coefficient and fin efficiency. The mathematical modelling and solution techniques for each method are described in detail.}, author = {Jouhara, Hussam and Axcell, Brian P.}, citeulike-article-id = {4822544}, citeulike-linkout-0 = {http://dx.doi.org/10.1016/j.simpat.2009.02.007}, citeulike-linkout-1 = {http://linkinghub.elsevier.com/retrieve/pii/S1569190X09000215}, doi = {10.1016/j.simpat.2009.02.007}, issn = {1569190X}, journal = {Simulation Modelling Practice and Theory}, keywords = {fin, heat, modelling, rectangular, sink}, month = {May}, number = {5}, pages = {871--882}, posted-at = {2009-10-11 12:47:27}, priority = {5}, title = {Modelling and simulation techniques for forced convection heat transfer in heat sinks with rectangular fins}, url = {http://dx.doi.org/10.1016/j.simpat.2009.02.007}, volume = {17}, year = {2009} }

TY - JOUR ID - citeulike:4822544 L3 - citeulike-article-id:4822544 N2 - This paper provides a comprehensive description of the thermal conditions within a heat sink with rectangular fins under conditions of cooling by laminar forced convection. The analysis, in which increasing complexity is progressively introduced, uses both classical heat transfer theory and a computational approach to model the increase in air temperature through the channels formed by adjacent fins and the results agree well with published experimental data. The calculations show how key heat transfer parameters vary with axial distance, in particular the rapid changes in heat transfer coefficient and fin efficiency near the leading edges of the cooling fins. Despite these rapid changes and the somewhat ill-defined flow conditions which would exist in practice at the entry to the heat sink, the results clearly show that, compared with the most complex case of a full numerical simulation, accurate predictions of heat sink performance are attainable using analytical methods which incorporate average values of heat transfer coefficient and fin efficiency. The mathematical modelling and solution techniques for each method are described in detail. IS - 5 JF - Simulation Modelling Practice and Theory SN - 1569190X EP - 882 TI - Modelling and simulation techniques for forced convection heat transfer in heat sinks with rectangular fins VL - 17 SP - 871 KW - fin KW - heat KW - modelling KW - rectangular KW - sink AU - Jouhara, Hussam AU - Axcell, Brian PY - 2009/05// UR - http://dx.doi.org/10.1016/j.simpat.2009.02.007 ER -