Minimal required boundary conditions for the thermal spallation process of granitic rocks
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- 作者：Michael A. Kant kant@ipe.mavt.ethz.ch" class="auth_mail" title="E-mail the corresponding author ; Philipp Rudolf von Rohr ; vonrohr@ipe.mavt.ethz.ch" class="auth_mail" title="E-mail the corresponding author
- 关键词：Rock fracturing ; Thermal spallation of rocks ; Boundary conditions ; Surface temperature measurements ; Heat flux measurements ; Infrared measurements
- 刊名：International Journal of Rock Mechanics and Mining Sciences
- 出版年：2016
- 出版时间：April 2016
- 年：2016
- 卷：84
- 期：Complete
- 页码：177-186
- 全文大小：1612 K
文摘
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An experimental procedure for the determination of the appearing boundary conditions in the thermal spallation process is proposed.
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With this procedure it is possible to resolve the detachment of single spalls.
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The minimal required boundary conditions for the spallation process are derived.
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Data characterize the lowest conditions where spallation can be successfully initiated.
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These values form a basis for future simulations on the spallation process and for a successful design of a spallation tool.