Spreading of three-dimensional inclined gravity plumes

被引：13
|
作者：
Tsihrintzis, VA
Alavian, V
机构：
[1] FLORIDA INT UNIV,DRINKING WATER RES CTR,MIAMI,FL 33199
[2] RANKIN INT INC,KNOXVILLE,TN 37938
来源：
JOURNAL OF HYDRAULIC RESEARCH | 1996年 / 34卷 / 05期
关键词：
density current; gravity current; inclined dense plume; underflow; stratification; geometry; analytical expressions; modeling;
D O I：
10.1080/00221689609498466
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Geometric and kinematic behavior of three-dimensional (3-D) negatively buoyant gravity plume spreading on a steep sloping surface has been investigated in a laboratory tank. Simple analytical expressions are presented based on the balance of driving and resisting forces, i.e., gravity, buoyancy, inertia, and friction, in both the longitudinal and lateral flow directions. These analytical expressions for spreading depend on the bottom slope, the initial buoyancy flux, the Richardson number, and the geometry of the plume at the source. Similar relations for a two-dimensional (2-D) gravity plume are also presented for comparison. Mathematical solutions show satisfactory agreement with measured experimental data.
引用
收藏
页码：695 / 711
页数：17
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