By Muhammad I. Haque
""This ebook should be an invaluable addition to the pro library of groundwater modellers and hydrogeologists. Its therapy of the math and research of groundwater move is obvious and thorough, and it really is necessary in offering the basics of groundwater circulate via porous media in an easy way.""-Martin Preene, Golder Associates""I am happy to understand in regards to the ebook. ... seems to be to were written with a very good care and was once happy to determine a clean description and representation ... i discovered the presentation transparent & lucid and likewise summarised a few new issues that aren't present in related. Read more...
summary: ""This publication should be an invaluable addition to the pro library of groundwater modellers and hydrogeologists. Its remedy of the math and research of groundwater stream is apparent and thorough, and it's beneficial in featuring the basics of groundwater movement via porous media in an easy way.""-Martin Preene, Golder Associates""I am happy to understand concerning the ebook. ... looks to were written with an excellent care and was once happy to determine a clean description and representation ... i discovered the presentation transparent & lucid and in addition summarised a few new issues that aren't present in similar
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Extra resources for Mechanics of Groundwater in Porous Media
Similar to the notion of volumetric porosity, we have the notion of areal porosity. 9 Definition sketches: (a) volumetric porosity and (b) areal porosity. 9b). The sum of these areas comprises the nominal cross-sectional area of the soil sample. 35). Henceforth, we shall simply use the term porosity to indicate the areal or the volumetric porosity of the soil sample. Although porosity is a good indication of the storage capacity of the soil or a porous medium to store groundwater in its pore spaces, this physical property loses much of its significance during the consolidation of soils.
And, also, this quantity is exactly equal to the work done on the point-mass in bringing it to a complete rest. It is therefore understandable that this quantity is designated in the literature as the kinetic energy of the point-mass translating with velocity V. The adjective kinetic refers to the fact that this quantity, for a given mass m, depends only on its velocity; and energy refers to the fact that its dimension is the same as that of work; it also represents the capacity of the moving object to do work on the surrounding until it comes to a complete rest.
33b has the dimension of length [L], the first three terms, starting from the left, are designated as the pressure head, the elevation head, and the velocity head, respectively. Their sum represents the total energy head. Thus, according to the Bernoulli equation, the total energy head remains the same along a streamline, as long as the fluid is ideal (nonviscous), incompressible, and the flow is steady. As a further consequence, along a horizontal streamline (y1 = y 2), the velocity increases at a point where pressure decreases.
Mechanics of Groundwater in Porous Media by Muhammad I. Haque