Method for calculating tortuous hydraulic diameter of porous medium and method for analyzing flow in porous medium using same
AssigneeKorea Gas Corporation
InventorChang Hoon SHIN
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Abstract
Provided is a method of calculating a tortuous hydraulic diameter of a porous medium for laminar flow and turbulent flow considering a geometric feature and a friction loss feature. A method of calculating a tortuous hydraulic diameter of a porous medium, according to an embodiment of the present invention, includes providing porosity and a specific surface area of a porous medium, calculating a hydraulic diameter of the porous medium by using the porosity and the specific surface area, calculating tortuosity of the porous medium, and calculating a tortuous hydraulic diameter corresponding to a function of tortuosity, by using the hydraulic diameter and the tortuosity of the porous medium.
Claims22
A method of calculating a tortuous hydraulic diameter of a porous medium, the method comprising:
- providing porosity and a specific surface area of a porous medium;
- calculating a hydraulic diameter of the porous medium by using the porosity and the specific surface area;
- calculating tortuosity of the porous medium;
- and
- calculating a tortuous hydraulic diameter corresponding to a function of tortuosity, by using the hydraulic diameter and the tortuosity of the porous medium.
A method of analyzing flow in a porous medium, the method comprising:
- providing porosity and a specific surface area of a porous medium;
- calculating a hydraulic diameter of the porous medium by using the porosity and the specific surface area;
- calculating tortuosity of the porous medium;
- calculating a tortuous hydraulic diameter corresponding to a function of tortuosity, by using the hydraulic diameter and the tortuosity of the porous medium;
- calculating a tortuous Reynolds number by using the tortuous hydraulic diameter;
- and
- calculating a tortuous friction factor by using the tortuous hydraulic diameter.
A method of analyzing flow in a porous medium, the method comprising:
- calculating a tortuous hydraulic diameter by using porosity, a specific surface area, and tortuosity of a porous medium;
- calculating a simulation hydraulic diameter by using a shear stress at wall;
- and
- comparing the tortuous hydraulic diameter to the simulation hydraulic diameter.
A method of analyzing flow in a porous medium, the method comprising:
- calculating a first tortuous hydraulic diameter of a first porous medium;
- calculating a tortuous friction factor-tortuous Reynolds number relationship by using the first tortuous hydraulic diameter;
- calculating a second tortuous hydraulic diameter of a second porous medium different from the first porous medium;
- and
- calculating permeability of the second porous medium by applying the second tortuous hydraulic diameter to the tortuous friction factor-tortuous Reynolds number relationship calculated using the first tortuous hydraulic diameter.
Dependencies are inferred from the claim text.