Gray Body

Application ID: 65461


A gray body with a spherical cavity with various opening areas is simulated using the Heat Transfer, Surface-to-Surface Radiation interface. The emissivity for each case is computed and compared with the classical gray body theory. The COMSOL Multiphysics® result agrees very well with the most accurate theory.

Learn more in this blog post: Understanding Classical Gray Body Radiation Theory

This model example illustrates applications of this type that would nominally be built using the following products: