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Xinlong Zhou
School of Resource and Environment Engineering, Wuhan University of Technology, Wuhan 430070, China

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Journal article
Published: 07 January 2019 in Energies
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Due to high water pressure in the concrete reinforced hydraulic tunnels, surrounding rocks are confronted with nonlinear seepage problem in the pumped storage power station. In this study, to conduct nonlinear seepage numerical simulation, a nonlinear seepage numerical model combining the Forchheimer nonlinear flow theory, the discrete variational inequality formulation of Signorini’s type and an adaptive penalized Heaviside function is established. This numerical seepage model is employed to the seepage analysis of the hydraulic tunnel surrounding rocks in the Yangjiang pumped-storage power station, which is the highest water pressure tunnel under construction in China. Moreover, the permeability of the surrounding rocks under high water pressure is determined by high pressure packer test and its approximate analytical model. It is shown that the flow in the surrounding rocks is particularly prone to become nonlinear as a result of the high flow velocities and hydraulic gradients in the nearby of the seepage-control measures and the high permeability fault. The nonlinear flow theory generates smaller flow rate than the Darcy flow theory. With the increase of nonlinear flow, this observation would become more remarkable.

ACS Style

Shaohua Hu; Xinlong Zhou; Yi Luo; Guang Zhang. Numerical Simulation Three-Dimensional Nonlinear Seepage in a Pumped-Storage Power Station: Case Study. Energies 2019, 12, 180 .

AMA Style

Shaohua Hu, Xinlong Zhou, Yi Luo, Guang Zhang. Numerical Simulation Three-Dimensional Nonlinear Seepage in a Pumped-Storage Power Station: Case Study. Energies. 2019; 12 (1):180.

Chicago/Turabian Style

Shaohua Hu; Xinlong Zhou; Yi Luo; Guang Zhang. 2019. "Numerical Simulation Three-Dimensional Nonlinear Seepage in a Pumped-Storage Power Station: Case Study." Energies 12, no. 1: 180.