3)      Criteria for Lumped System Analysis a)      Characteristic length  b)      Biot Number Bi c)      When a solid body is being heated…

1)    Assumptions a)      Steady operation with no heat generation b)      Thermal conductivity k of the material to remain constant. c)      Convection…

1)      The rate of heat transfer from a surface at a temperature  to the surrounding medium at is…

CylinderSphere

CylindersSpheres     CylinderSphere

1)      Reducing Thermal Contact resistance a)      The thermal contact resistance can be minimized by applying thermally conducting…

ConductionConvectionRadiationConsider a plane wall of thickness L and average thermal conductivity k. The two surfaces of the wall…

1)      Heat flow through a wall is one dimensional when the temperature of the wall varies…

1)      The differential equations do not incorporate any information related to the conditions on the surfaces…

Variable thermal conductivityConstant thermal conductivity