| viXra.org > Thermodynamics and Energy > viXra:2005.0139 |
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| viXra.org > Thermodynamics and Energy > viXra:2005.0139 |
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Thermodynamics and Energy |
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Authors: YongSu Jo, GyongIl Sin, CholGyong Kim, UnChol Ri
Mid-inflow is the flow into the middle of the head race tunnel that can be effectively used in the electric power generation. The mid-inflow makes differences of velocities and head losses in the head race tunnel between two sides and influences the water level oscillation in surge tank consequently. An analytical formula of the upper chamber volume of the surge tank with an expansion chamber considering the effect of mid-inflow is established and the accuracy of the formula is evaluated through comparisons to numerical analysis. With installation data, the influence of mid-inflow on the upper chamber volume is discussed.
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