Thermal Problems

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Heat trans­fer is a dis­ci­pline of ther­mal en­gi­neer­ing that con­cerns the gen­er­a­tion, use, con­ver­sion, and ex­change of ther­mal en­er­gy and heat be­tween phys­i­cal sys­tems. For the ther­mal prob­lems dis­cussed here, the heat equa­tion, which de­scribes the dis­tri­b­u­tion of heat (or vari­a­tion of tem­per­a­ture though time) , is solved. The tem­per­a­ture is there­fore un­cou­pled from the flu­id equa­tions (de­fault) or the Boussi­nesq ap­prox­i­ma­tion may be used to sim­u­late buoy­an­cy-dri­ven flows (al­so known as nat­ur­al con­vec­tion).

Po­ten­tial ap­pli­ca­tions for ther­mal prob­lems are nu­mer­ous and in­clude elec­tric re­sis­tance heat­ing, ra­di­ant heat­ing, evap­o­ra­tors, con­densers, air con­di­tion­ing sys­tems, stamp­ing and in many more con­ju­gate heat trans­fer ap­pli­ca­tions.

In flu­id me­chan­ics, liq­uid or gas flow through pipes or ducts is com­mon­ly used in heat­ing and cool­ing ap­pli­ca­tions. This test case fo­cus­es on the two pipe sur­face bound­ary con­di­tions, con­stant tem­per­a­ture or con­stant heat flux, which cov­er the usu­al ex­treme cas­es met in in­dus­tri­al ap­pli­ca­tions (Read more).

In flu­id dy­nam­ics, the Boussi­nesq ap­prox­i­ma­tion is used in the field of buoy­an­cy-dri­ven flows (al­so known as nat­ur­al con­vec­tion flows). This test cas­es fo­cus­es on the Boussi­nesq Mod­el val­i­da­tion for con­vec­tion prob­lems (Read more).
This test case aims at val­i­datin the Con­ju­gate heat trans­fer solver (cou­pling be­tween sol­id me­chan­ics ther­mal solver and ICFD solver) both in 2D and 3D us­ing the an­a­lyt­i­cal so­lu­tions of con­ju­gate heat trans­fer prob­lems in­volv­ing a par­al­lel plane chan­nel or a cylin­dri­cal chan­nel with a lon­gi­tu­di­nal­ly pe­ri­od­ic regime for the tem­per­a­ture (Read more).