Data Processing in Moving Boundary Problems of One-Dimensional Non-Darcy Flow in Semi-Infinite Porous Media

Rong Rong Jin; Jia Hang Wang

doi:10.4028/www.scientific.net/AMR.977.515

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 977Data Processing in Moving Boundary Problems of...

Data Processing in Moving Boundary Problems of One-Dimensional Non-Darcy Flow in Semi-Infinite Porous Media

Abstract:

The paper establishes dimensionless mathematical models of the fluid flow in semi-infinite porous media with constant flow rate. Exact analytical solutions of these dimensionless mathematical models are derived by new definitions of dimensionless variables and Laplace transformation. Comparison curves of dimensionless moving boundary under different values of dimensionless Threshold Pressure Gradient (TPG) are plotted from newly proposed exact analytical solutions. An example is used to demonstrate pressure distribution in different positions with different TPG. It is shown that for the constant flow rate condition, the moving boundary extends to infinite in porous media with increasing production time. Steeper pressure curve is observed in larger TPG, which also exhibits greater pressure drop gradient and shorter pressure propagation distance at the same production time.

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Periodical:

Advanced Materials Research (Volume 977)

Pages:

515-519

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.977.515

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Online since:

June 2014

Authors:

Rong Rong Jin*, Jia Hang Wang

Keywords:

Exact Analytical Solution, Moving Boundary, Non-Darcy Flow, Semi-Infinite Porous Media, Threshold Pressure Gradient

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* - Corresponding Author

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