Two‐phase flow simulation of air storage in an aquifer | Zendy

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Two‐phase flow simulation of air storage in an aquifer

Author(s) -

Meiri David

Publication year - 1981

Publication title -

water resources research

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.863

H-Index - 217

eISSN - 1944-7973

pISSN - 0043-1397

DOI - 10.1029/wr017i005p01360

Subject(s) - aquifer , partial differential equation , saturation (graph theory) , mechanics , nonlinear system , flow (mathematics) , porous medium , compressed air energy storage , geotechnical engineering , specific storage , environmental science , petroleum engineering , geology , porosity , groundwater , mathematics , energy storage , thermodynamics , physics , mathematical analysis , power (physics) , combinatorics , quantum mechanics , groundwater recharge

A two‐phase flow model is presented for simulating air storage in an aquifer used for a compressed air storage system. The governing equations describing the flow of air and water are coupled nonlinear partial differential equations and are solved by a Galerkin finite element method. The resulting computer model is used to simulate the air‐water displacement in a one‐dimensional storage reservoir during daily air cycling. The corresponding saturation and pressure variations and the effects of reservoir permeability on the system are presented. The results obtained realistically describe a variable volume storage system with only a small change in pressure.

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