Abstract
Gas slippage occurs when the mean free path of the gas molecules is in the order of the characteristic pore size of a porous medium. This phenomenon leads to the Klinkenberg's effect where the measured permeability of a gas (apparent permeability) is higher than that of the liquid (intrinsic permeability). A generalized lattice Boltzmann model is proposed for flow through porous media that includes Klinkenberg's effect. The second-order Beskok and Karniadakis-Civan's correlation is adopted to calculate the apparent permeability based on intrinsic permeability and Knudsen number. Fluid flow between two parallel plates filled with porous media is simulated to validate model. Simulations performed in a heterogeneous porous medium with components of different porosity and permeability indicate that the Klinkenberg's effect plays significant role on fluid flow in low-permeability porous media, and it is more pronounced as the Knudsen number increases.
| Original language | English |
|---|---|
| Title of host publication | Proceedings of the 1st Thermal and Fluid Engineering Summer Conference, TFESC 2015 |
| Publisher | Begell House Inc. |
| Pages | 2205-2216 |
| Number of pages | 12 |
| ISBN (Electronic) | 9781567004311 |
| State | Published - 2015 |
| Event | 1st Thermal and Fluid Engineering Summer Conference, TFESC 2015 - New York City, United States Duration: 9 Aug 2015 → 12 Aug 2015 |
Publication series
| Name | Proceedings of the Thermal and Fluids Engineering Summer Conference |
|---|---|
| Volume | 2015-August |
| ISSN (Electronic) | 2379-1748 |
Conference
| Conference | 1st Thermal and Fluid Engineering Summer Conference, TFESC 2015 |
|---|---|
| Country/Territory | United States |
| City | New York City |
| Period | 9/08/15 → 12/08/15 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Apparent permeability
- Klinkenberg's effect
- Lattice Boltzmann method
- Shale gas
- Tight porous media
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