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?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Given the following conditions: air permeability (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?
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