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Huber, B. (2009). Physical model test and CFD-simulation of an asymmetrical throttle in a T-shaped junction of a high-head power plant. In B. Huber (Ed.), 33rd IAHR Congress (pp. 5012–5021). IAHR. http://hdl.handle.net/20.500.12708/60032
Physical model test; T-Junction; Hydraulic experiments; Throttle; CFDsimulation
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Abstract:
Hydraulic model tests were conducted to evaluate the head-losses and flow conditions of
an asymmetrical throttle in a surge chamber system of an Austrian high-head power
plant. The asymmetrical throttle is situated at the beginning of the rising shaft of the
surge tank in one of the three branches of a T-shaped junction. Due to the asymmetrical
shape of the throttle it causes different head-lo...
Hydraulic model tests were conducted to evaluate the head-losses and flow conditions of
an asymmetrical throttle in a surge chamber system of an Austrian high-head power
plant. The asymmetrical throttle is situated at the beginning of the rising shaft of the
surge tank in one of the three branches of a T-shaped junction. Due to the asymmetrical
shape of the throttle it causes different head-losses between up- and downsurging water
levels.
Several hydraulic model tests with a scale of 1:21 were carried out under different flow
conditions to evaluate the head-losses. Due to the complex shape of the T-junction the
model was milled out of a plastic cube with the help of CNC.
Then, several CFD-simulations were conducted in order to evaluate under which circumstances
the CFD-simulation is able to give reasonable results.
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Research Areas:
Efficient Utilisation of Material Resources: 50% Modelling and Simulation: 25% Computational Fluid Dynamics: 25%
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Science Branch:
Bautechnik Sonstige und interdisziplinäre Technische Wissenschaften
