This paper couples the grid generation algorithm with the heat transport equations and applies them to simulate the thermal behavior of freezing process in water-saturated porous media. Focus is placed on establishing a computationally efficient approach for solving moving boundary heat transfer problem, in two-dimensional structured grids, with specific application to an undirectional solidification problem. Preliminary grids are first generated by an algebraic method, based on a transfinite interpolation method, with subsequent refinement using a partial differential equation (PDE) mapping (parabolic grid generation) method. A preliminary case study indicates successful implementation of the numerical procedure. A two-dimensional solidification model is then validated against available analytical solution and experimental results and subsequently used as a tool for efficient computational prototyping. The results of the problem are in good agreement with available analytical solution and experimental results.
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e-mail: ratphadu@engr.tu.ac.th
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Moving Boundary-Moving Mesh Analysis of Freezing Process in Water-Saturated Porous Media Using a Combined Transfinite Interpolation and PDE Mapping Methods
P. Rattanadecho,
P. Rattanadecho
Faculty of Engineering,
e-mail: ratphadu@engr.tu.ac.th
Thammasat University (Rangsit Campus)
, Pathumthani 12121, Thailand
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S. Wongwises
S. Wongwises
Department of Mechanical Engineering,
King Mongkut's University of Technology Thonburi
, 91 Suksawas 48, Rasburana, Bangkok 10140, Thailand
Search for other works by this author on:
P. Rattanadecho
Faculty of Engineering,
Thammasat University (Rangsit Campus)
, Pathumthani 12121, Thailande-mail: ratphadu@engr.tu.ac.th
S. Wongwises
Department of Mechanical Engineering,
King Mongkut's University of Technology Thonburi
, 91 Suksawas 48, Rasburana, Bangkok 10140, ThailandJ. Heat Transfer. Jan 2008, 130(1): 012601 (10 pages)
Published Online: January 25, 2008
Article history
Received:
June 14, 2006
Revised:
April 20, 2007
Published:
January 25, 2008
Citation
Rattanadecho, P., and Wongwises, S. (January 25, 2008). "Moving Boundary-Moving Mesh Analysis of Freezing Process in Water-Saturated Porous Media Using a Combined Transfinite Interpolation and PDE Mapping Methods." ASME. J. Heat Transfer. January 2008; 130(1): 012601. https://doi.org/10.1115/1.2780177
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