ermeability (k) = 10−7 cm2, radius of extraction well (Rw) = 5.1 cm, radius of vacuum influence (RI) = 12 m, vacuum pressure (Pw)=0.90atm (i.e., 9.09×105g/cm-s2), and air viscosity = 1.8 × 10−4 g/cm-s. (a) Find the airflow rate per unit thickness of well screen Q/H by using graphical solution and applying equation solution to verify. (b) If the well is screened to the entire contaminated zone of 5 m, what is the airflow rate in cfm? Does this flow fall in the ideal range of 100–1000 cfm?

ermeability (k) = 10−7 cm2, radius of extraction well (Rw) = 5.1 cm, radius of vacuum influence (RI) = 12 m, vacuum pressure (Pw)=0.90atm (i.e., 9.09×105g/cm-s2), and air viscosity = 1.8 × 10−4 g/cm-s. (a) Find the airflow rate per unit thickness of well screen Q/H by using graphical solution and applying equation solution to verify. (b) If the well is screened to the entire contaminated zone of 5 m, what is the airflow rate in cfm? Does this flow fall in the ideal range of 100–1000 cfm?

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter2: Soil Deposits-origin, Grain-size, And Shape

Section: Chapter Questions

Problem 2.11P

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