DEPOSITION IN FRACTURES
DEPOSITION IN FRACTURES
复制标题
骨折处沉积
DOI：
10.1080/00986449608936530
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发表时间：
1996
影响因子：
2.5
通讯作者：
P. Adler
中科院分区：
文献类型：
--
作者：
V. Mourzenko;S. Békri;J. Thovert;P. Adler
裂隙是岩石中相对平面的不连续面，由地下块体缓慢而持续的运动产生的巨大内应力引起。单一裂隙中单一溶质的沉积是在与平均流体速度相比几何变化非常缓慢的极限条件下进行的。沉积通量的计算采用了比随机游动效率高得多的有限差分格式。对确定性断裂、随机但不相关的断裂、高斯断裂和自仿射断裂的四个不同的Peclet数和Peclet-Damkohler数进行了研究。文中还讨论了一些总体趋势。
Fractures are relatively planar discontinuities in rocks induced by the huge internal stresses which are created by the slow but constant motions of the underground masses. Deposition of a single solute in a single fracture is addressed in the limit where the geometrical changes are very slow compared to the average fluid velocity. The deposition fluxes are calculated by means of a finite-difference scheme which is much more efficient than random walks. Examples of deterministic fractures, random but uncorreiated fractures, Gaussian and self-affine fractures are studied for four different values of the Peclet and the Peclet-Damkohler numbers. Some general trends are discussed.