Two boundary conditions need to be specified for a 1-dimensional conduction system (steady state or unsteady state)Four boundary conditions need to be specified for a 2-dimensional conduction system (steady state or unsteady state)One initial condition needs to be specified for any type of unsteady state conduction system.Constant Propertiesw.r.t. thermal conductivity - k is constant with time, with position, and with temperature in the material.w.r.t. convection coefficient - h is the same for the base surface and for the fluid that is flowing around the finned surfaces; h is not changing with time, position, or temperature.
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