Extended Advancing Front Technique for the Initial Triangular Mesh Construction on a Single Coil for Radiative Heat Transfer

Abal Abas, Zuraida (2013) Extended Advancing Front Technique for the Initial Triangular Mesh Construction on a Single Coil for Radiative Heat Transfer. Arabian Journal for Science and Engineering , 38. 2245 -2262. ISSN 1319-8025

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Radiative heat distribution inside an ethylene cracker furnace is often modeled using the finite volume and finite element methods. In both cases, meshes in the form of rectangles and triangles are needed to form the approximating points in the domain. In this paper, a new method called extended advancing Front technique (XAFT) is proposed for meshing the domain inside the cracker furnace, integrated with the deployment of sensors on the wall to obtain the required boundary values. XAFT is the extended version of standard advancing Front technique (SAFT) where the two normal cases in SAFT are extended with six cases of study for the element creation procedure in order to generate the initial mesh. The focus of this method is to construct triangular meshes with the requirements of having the location of sensors deployed along the wall as boundary nodes and to generate nodes at certain boundaries with linearly different lengths. It is also our objective to construct the triangular element iteratively without having to re-order the Front or delete the existing element. There are two contributions from the paper. First is the introduction of six extended cases for the element creation procedure, and second is the layer concept to generate edges with linearly different lengths. XAFT provides the framework for the heat to be approximated using the discrete ordinate method, which is a variant of the finite volume method. Simulation results produced using FLUENT support the findings for effectively approximating the radiation intensity and temperature values inside the furnace.

Item Type: Article
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Divisions: Faculty of Information and Communication Technology > Department of Industrial Computing
Depositing User: Dr. Zuraida Abal Abas
Date Deposited: 03 Jan 2014 02:07
Last Modified: 28 May 2015 04:09
URI: http://eprints.utem.edu.my/id/eprint/10180
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