2D numerical simulation for simultaneous heat, water and gas migration in soil bed under different environmental conditions |
| |
| Authors: | W Liu X X Zhao K Mizukami |
| |
| Institution: | (1) Department of Power Engineering Huazhong University of Science and Technology Wuhan 430074, P. R. China, CN;(2) Department of Mechanical Engineering Ehime University Matsuyama 790, Japan, JP |
| |
| Abstract: | A general mathematical model for investigating simultaneous heat, water and gas (air plus vapor) transfer in unsaturated
porous soil under different environmental conditions is presented based on the volume-averaging method. Two-dimensional numerical
simulation in steady state is conducted for obtaining accurate images of field characteristics in a confined soil bed, which
might be useful to provide necessary information for agricultural applications. Various effects of environmental parameters,
such as ambient temperature, relative humidity, radiative heat flux and wind speed, on transport processes in soil without
plant roots are analyzed through the calculating results in the present paper.
Received on 13 January 1998 |
| |
| Keywords: | |
| 本文献已被 SpringerLink 等数据库收录！ |
|
