Heat Transfer modeling by integral boundary-layer methods towards icing applications

Abstract

View Video Presentation: https://doi.org/10.2514/6.2021-2640.vid A 2D modal integral boundary layer code for heat transfers computation was developed in order to allow accurate computation of non-uniform wall temperature flows. The model for this method as well as a previous thermal integral method are described in this paper. The model for both methods is based on solving an integrated form of the energy equation in the boundary layer. An unsteady Finite-Volume formulation is solved until convergence in order to compute the steady solution. This choice allows for an easy extension in three dimensions. Both methods are compared using an in-house code, CLICET, solving directly the Prandtl equations in the boundary layer through local meshing of the boundary layer and a marching algorithm, as a reference solution. Comparison are carried out on auto-similar wedge flows and wing profiles for both uniform and non-uniform imposed wall temperature.