Non-isothermal migration of multiple gas species in partly saturated soil
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Published:2001
Z. Zhou, P.J. Cleall, H. R. Thomas, 2001. "Non-isothermal migration of multiple gas species in partly saturated soil", Geoenvironmental Engineering: Geoenvironmental Impact Management: Proceedings of the third conference organized by the British Geotechnical Association and Cardiff School of Engineering, Cardiff University, and held in Edinburgh on 17–19 September 2001, R. N. Yong, H. R. Thomas
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A theoretical formulation of multi-gas flow coupled with heat and moisture transfer in partly saturated soil is presented in this paper. The theory is developed for the simulation of generic gas transfer problems in porous materials so that a wide range of problems may be simulated. Suitable numerical methods (FEM) are used to solve the theoretical formulation. A simple boundary value problem with raising temperature and raising one gas pressure as two driving forces is analysed. Results are presented showing the interactions among the water pressure, gas pressures and temperature. Particularly, in this case, the effects of temperature and pressure of gas one on pore water pressure and pressure of gas two are observed from the numerical results
INTRODUCTION
THEORETICAL FORMULATION
NUMERICAL SOLUTION
NUMERICAL ANALYSIS OF AN ASSUMED PROBLEM
CONCLUSION
REFERENCES
