The upstream pressure on a rock sample is 0.113MPa and the downstream pressure is 0.1MPa. Under this pressure difference, a gas with the viscosity of 0.018 mPa·s flows through the rock sample. The diameter of this sample is 2.5cm, its length is 2.8cm. The volumetric flow rate at the outlet face is 0.514cm3/s. Calculate the gas permeability of this rock sample.

The upstream pressure on a rock sample is 0.113MPa and the downstream pressure is 0.1MPa. Under this pressure difference, a gas with the viscosity of 0.018 mPa·s flows through the rock sample. The diameter of this sample is 2.5cm, its length is 2.8cm. The volumetric flow rate at the outlet face is 0.514cm3/s. Calculate the gas permeability of this rock sample.

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter6: Hydraulic Conductivity

Section: Chapter Questions

Problem 6.16P

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