الفهرس 
SUMMARYOnly 14 pages are availabe for public view
 |  | from | 104 |  |  |
| | | from | 104 | | |
Abstract
Modelling steady laminar forced convection heat transfer in rectangular ducts and parallel plates with arbitrary inlet and wall boundary conditions is considered. The flow is considered to be hydrodynamically fully developed but thermally developing. The Flexible Profile Compact Thermal Model (FP CTM) approach, which was previously proposed for circular pipes, is briefly presented here, before extending its application to rectangular ducts and parallel plates. The Flexible Profile approach is based on an analytical pretreatment of the original problem, transforming it from a problem governed by a 3D convection-diffusion problem into a simpler one governed by a 2D Poisson’s equation. The latter can be efficiently and rather accurately solved by standard numerical procedures, consuming less CPU time than the original problem. In case of the parallel plates, a totally analytical solution exists. Above approach results in many significate advantages including: The ability to deal with any type of boundary conditions (BCs) using the same model, contrary to the traditional HTC model having different models for different types of BCs, The ability to deal with any arbitrary non-uniform wall BCs, contrary to the traditional HTC, which can only deal with uniform wall BCs, The ability to deal with any arbitrary non-uniform inlet temperature profile, contrary to the traditional HTC, which only deals with flat inlet temperature profile.