Abstract
The influence of time-injection velocity on the miscible displacement in porous media is studied numerically. We examined the scenario when a more viscous fluid of finite length is confined within a less viscous one in a Hele-Shaw cell. The injection velocity is assumed to be in form of a sinusoidal form characterized by its amplitude (Γ) and time-period (T). The physical mechanism is analysed by solving three coupled equations, namely, Darcy’s equation, continuity equation and convection-advection equation. The non-linear simulations for the rectilinear flow have been carried out using COMSOL multi-physics (version 5.3a). The obtained results suggest that for Γ < 0, the fingering can be suppressed whereas Γ > 0, yields in vigorous fingers as compared to when Γ = 0 (the constant injection strategy). It can be concluded that the timedependent strategy may help in analysing and controlling the spread of contaminants and chemical separations.
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© 2023 The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.
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Zahid, S., Halkarni, S.S., Hota, T.K. (2023). Simulation of Time Injection Strategy for a Finite Miscible Slice in Porous Media. In: Bhattacharyya, S., Benim, A.C. (eds) Fluid Mechanics and Fluid Power (Vol. 2). FMFP 2021. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-19-6970-6_34
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DOI: https://doi.org/10.1007/978-981-19-6970-6_34
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