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A platform for research: civil engineering, architecture and urbanism
ESTIMATING DISPERSION COEFFICIENT FROM SOIL-COLUMN TEST
Tracer test in a soil column is one of the reliable techniques for the estimation of dispersion coefficient. In a tracer movement test, the exit concentration known as breakthrough curve with time is observed from known input in the form of step change in the concentration input. In the present paper, two methodologies viz., summation distribution graph and Z-transform of transfer function of the process have been proposed for the estimation of dispersion coefficient from the data on soil-column test. Application of the methodologies has been demonstrated on the published data. The results indicated that the proposed methods have better potential to estimate the dispersion coefficient with reliable accuracy. A summation distribution graph approach can easily perform on a simple scientific calculator whereas; later one needs linear optimization technique.
ESTIMATING DISPERSION COEFFICIENT FROM SOIL-COLUMN TEST
Tracer test in a soil column is one of the reliable techniques for the estimation of dispersion coefficient. In a tracer movement test, the exit concentration known as breakthrough curve with time is observed from known input in the form of step change in the concentration input. In the present paper, two methodologies viz., summation distribution graph and Z-transform of transfer function of the process have been proposed for the estimation of dispersion coefficient from the data on soil-column test. Application of the methodologies has been demonstrated on the published data. The results indicated that the proposed methods have better potential to estimate the dispersion coefficient with reliable accuracy. A summation distribution graph approach can easily perform on a simple scientific calculator whereas; later one needs linear optimization technique.
ESTIMATING DISPERSION COEFFICIENT FROM SOIL-COLUMN TEST
Rai, Raveendra K. (author) / Ojha, C. S.P. (author)
ISH Journal of Hydraulic Engineering ; 13 ; 1-14
2007-01-01
14 pages
Article (Journal)
Electronic Resource
Unknown
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