Computer Modeling of Fixed Bed Underground Coal Gasification Using the Permeation Method

[+] Author and Article Information
Eed A. A. Abdel-Hadi

Zagzig University, Department of Mechanical Engineering, Shobra, Cairo, Egypt

T. R. Hsu

Department of Mechanical Engineering, University of Manitoba, Winnipeg, Manitoba, Canada R3T 2N2

J. Energy Resour. Technol 109(1), 11-20 (Mar 01, 1987) (10 pages) doi:10.1115/1.3231316 History: Received November 20, 1985; Revised March 16, 1987; Online October 22, 2009


A two-dimensional computational model has been developed as a pilot study for the multidimensional simulation of fixed bed underground coal gasification (UCG). The analysis is based on the finite element method and incorporates a moving boundary algorithm to model the permeation linked vertical well in a forward gasification mode. In order to account for the motion of the combustion front with time, an immobilization transformation of coordinates technique is introduced in the finite element formulation. A numerical case study is included to illustrate the capability of the model. Predictions on temperatures, gas composition, pressure, and coal consumption in space and time are possible by using this model.

Copyright © 1987 by ASME
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