Browsing Ruhuna International Science and Technology Conference by Author "Sahabandu, C.W."

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Application of the Method of Directly Defining the Inverse Mapping to Fingering Phenomenon in the Oil Industry

Sahabandu, C.W.; Karunarathna, W.H.D.T.; Dewasurendra, M. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2021-02-17)

Most of the real-world problems can be represented as systems of nonlinear partial differential equations. Perturbation method, Homotopy Analysis Method (HAM), Optimal Homotopy Analysis Method (OHAM), and Method of Directly ...
CFD simulation for miscible and immiscible viscous fingering formation for distinct injective fluids

Sahabandu, C.W.; Dewasurendra, M. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2024-01-24)

P. Saffman and G.I. Taylor investigated the Saffman-Taylor instability, also known as viscous fingering, which is the creation of patterns in a morphologically unstable interface between two fluids in a porous medium, ...
Mathematical modeling and inverse mapping to find the saturation of carbonate-water in the fingering phenomenon

Sahabandu, C.W.; Dewasurendra, M. (Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2022-01-19)

The fingering phenomenon occurs during the secondary oil recovery process when the water is injected at a relative speed through the porous media. Water injection (water flooding) is a cheap and very effective method ...

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