Onset of thermally induced gas convection in mine wastes
International Journal of Heat and Mass Transfer
By: N. Lu and Y. Zhang
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Abstract
A mine waste dump in which active oxidation of pyritic materials occurs can generate a large amount of heat to form convection cells. We analyze the onset of thermal convection in a two-dimensional, infinite horizontal layer of waste rock filled with moist gas, with the top surface of the waste dump open to the atmosphere and the bedrock beneath the waste dump forming a horizontal and impermeable boundary. Our analysis shows that the thermal regime of a waste rock system depends heavily on the atmospheric temperature, the strength of the heat source and the vapor pressure.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Onset of thermally induced gas convection in mine wastes |
| Series title | International Journal of Heat and Mass Transfer |
| DOI | 10.1016/S0017-9310(96)00281-5 |
| Volume | 40 |
| Issue | 11 |
| Year Published | 1997 |
| Language | English |
| Publisher | Elsevier |
| First page | 2621 |
| Last page | 2636 |
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