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Table 1.

Summary of parameter values from studies that employed physical models composed of cylindrical elements to examine filter leakiness

StudyElastic modulus (GPa)Tank size (m3)ReNumber of cylindersGap to diameter ratioLength to diameter ratio
Hansen and Tiselius (1992  ∼160* 0.005, 0.012 0.005–40 2–12 1–80 25–108 
Leonard (1992) 180* 0.38 1.7–197 3–33 0.5–15 10–40 
Loudon et al. (1994) 160* 0.13 10–4–1 2.5–30 ∞ (entire depth) 
Mead and Koehl (2000) >180* 0.13 0.13–1.68 3 in each of 4 rows 1 26–32 
Current study 1–180 0.47 10–5–10–3 50–100 
StudyElastic modulus (GPa)Tank size (m3)ReNumber of cylindersGap to diameter ratioLength to diameter ratio
Hansen and Tiselius (1992  ∼160* 0.005, 0.012 0.005–40 2–12 1–80 25–108 
Leonard (1992) 180* 0.38 1.7–197 3–33 0.5–15 10–40 
Loudon et al. (1994) 160* 0.13 10–4–1 2.5–30 ∞ (entire depth) 
Mead and Koehl (2000) >180* 0.13 0.13–1.68 3 in each of 4 rows 1 26–32 
Current study 1–180 0.47 10–5–10–3 50–100 
*

Estimated from known engineering properties of cylinder materials used by the author

Parallel rows of cylinders were spaced at distances of either 7.5 or 16 cylinder diameters

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