Capillary fringe and unsaturated flow in a porous reservoir bank

A. R. Kacimov*

*المؤلف المقابل لهذا العمل

نتاج البحث: المساهمة في مجلةArticleمراجعة النظراء

8 اقتباسات (Scopus)


Steady, 2D Darcian seepage from a zero-depth reservoir into a homogeneous porous bank is studied analytically. Using the Green-Ampt assumption for hydraulic conductivity as a function of pressure and the Vedernikov model for the tension-saturated zone, a free boundary problem with the capillary fringe spread along the bank surface is solved. Accurate direct calculations are made for the extent of the capillary rise along a vertical and horizontal bank. Unsaturated flow from a vertical phreatic surface into a bank with either an impermeable or isobaric vertical soil slope is analyzed in terms of the Philip model. Explicit expressions for the Darcian velocity components, stream function, and/or Kirchhoff potential are presented. The flow topology and characteristics are shown to depend strongly on the boundary condition at the soil surface.

اللغة الأصليةEnglish
الصفحات (من إلى)403-409
عدد الصفحات7
دوريةJournal of Irrigation and Drainage Engineering
مستوى الصوت130
رقم الإصدار5
حالة النشرPublished - 2004

ASJC Scopus subject areas

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