ABSTRACT
This chapter focuses on how to analyze and solve radiation heat transfer problems in an N-surfaces enclosure by using the matrix linear equations method for more complicated electric or combustion furnaces applications. The chapter shows how to determine radiation heat transfer between surfaces in an enclosure by assuming there are N gray diffuse and isothermal surfaces. Electric network analogy can be used to solve the radiation heat transfer problem. Applying energy balance on each surface, one can obtain N radiosity linear equations for N surfaces in an enclosure. The matrix and its inverse matrix can be used to solve these N radiosity linear algebraic equations. The following shows how to solve this type of problems for either given surface temperature or surface heat flux in an enclosure with N surfaces.
