A tube of soil is held horizontally and wetted at one end.
Chapter , Problem 11.7.19(choose chapter or problem)
A tube of soil is held horizontally and wetted at one end. The distance, , which the water has reached from the end by time is given by = , where and are constants that vary with the sample of soil. The data for such an experiment is given in Table 11.30.19 For this soil it is known that 0.4. What value for makes this a reasonable model? Table 11.30 Movement of wetting front Time (minutes) 0 1 2 4 8 Distance (cm) 0 3.7 4.5 6.0 8.0 Time (minutes) 16 32 64 128 256 Distance (cm) 10.6 13.8 18.6 24.3 32.0
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