Abstract
Mathematical modeling of any manufacturing process enhances the understanding of the mechanisms governing the process and helps to establish guidelines for optimizing the process. In the present study, a thermal model utilizing Patankar's method has been developed to simulate/optimize the pultrusion process. The numerical model solves the steady-state continuity, momentum equations and the transient energy and species reaction equations in cylindrical coordinates for a two-dimensional product. This model is comprehensive in the sense that it includes a liquid resin layer near the wall and involves solving for the velocity field. Most other researchers have assumed either flat or linear velocity profiles for this liquid region. The axial conduction term in the energy equation, neglected by most other researchers, is also included in the present model.
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