AN UNCOUPLED ALGORITHM FOR CALCULATING STEADY-STATE LAMINAR HEAT TRANSFER IN THREE-DIMENSIONAL INCOMPRESSIBLE FLOW

摘要

An uncoupled algorithm for the solution of the steady-state thermal energy equation in three-dimensional generalized curvilinear coordinates for an incompressible flow is described. The algorithm uses a higher-order flux-difference splitting technique for the convective terms and a second-order central difference scheme for the conductive terms. The equation is solved using a line-relaxation technique that allows the use of very large time steps, leading to rapid convergence. Preliminary results that demonstrate the code's predictive capability are presented. The results agree well with test cases for which analytical solutions can be obtained and with classical boundary-layer theory. [References: 20]