11.7. (a) Estimate the permeability of a bed of sand, with uniform spherical particles, Dp = 1 mm, & = 0.3, according to Eq. 11.21. (b)How does this compare with the value for sand (which is rarely spherical) in Table 11.1?

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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TABLE 11.1
Typical permeabilities of solids
Material
Well-sorted gravel
Sand and gravel
Very fine sand and silt
Typical oil or gas reservoir rock
"Tight" oil or gas reservoir rock
Sidewalk cement
Granite
k
De³
150(1 - £)²
Permeability, mD
107-108
10%-10%
1-1000
100-10 000
0.001-0.1
0.01-0.1
0.0001-0.001
uniform size
spheres
(11.21)
Transcribed Image Text:TABLE 11.1 Typical permeabilities of solids Material Well-sorted gravel Sand and gravel Very fine sand and silt Typical oil or gas reservoir rock "Tight" oil or gas reservoir rock Sidewalk cement Granite k De³ 150(1 - £)² Permeability, mD 107-108 10%-10% 1-1000 100-10 000 0.001-0.1 0.01-0.1 0.0001-0.001 uniform size spheres (11.21)
11.7.
(a) Estimate the permeability of a bed of sand, with
uniform spherical particles, Dp = 1 mm, = 0.3, according
to Eq. 11.21.
(b)How does this compare with the value for sand (which
is rarely spherical) in Table 11.1?
Transcribed Image Text:11.7. (a) Estimate the permeability of a bed of sand, with uniform spherical particles, Dp = 1 mm, = 0.3, according to Eq. 11.21. (b)How does this compare with the value for sand (which is rarely spherical) in Table 11.1?
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