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Keywords: transient flow
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Journal Articles
Article Type: Research-Article
J. Fluids Eng. September 2021, 143(9): 091204.
Paper No: FE-20-1731
Published Online: May 27, 2021
... correctly reproduced pressure wave interactions and pressure amplitudes. 03 12 2020 24 03 2021 27 05 2021 computational fluid dynamics pressure transient flow water hammer numerical simulation In water hammer theory it is usual for pipelines with constant cross section...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. November 2011, 133(11): 111101.
Published Online: October 24, 2011
.... The variation observed in transient flow-rate was under 3.5% during the fast stopping period for all cases. At the beginning of the stopping period, which was rated as the operating condition, when the time step size was 0.0002 s, the numerical solution was converged after 358 time steps. When the time step...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. July 2011, 133(7): 071203.
Published Online: July 8, 2011
...Chenzhou Lian; Dmytro M. Voytovych; Guoping Xia; Charles L. Merkle Numerical simulations of the transient flow of helium injected into an established background flow of nitrogen were carried out to identify the dominant features of the transient mixing process between these two dissimilar gases...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. July 2011, 133(7): 071202.
Published Online: July 5, 2011
... constant acceleration flow turbulent slug transient flow large-scale pipeline An abrupt transition from laminar to turbulent flow in start-up accelerating pipe flows is a common feature. Transition to turbulence is delayed to critical Reynolds number, which is important for the dynamic control...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. November 2010, 132(11): 111203.
Published Online: November 9, 2010
... of cross-sectional mean velocities in constant acceleration flow and presently treated transient flow Output signals of the axial velocity component in constant acceleration flows at x / D = 51.3 Relationship between Re tr and dimensionless acceleration R...
Journal Articles
Article Type: Research Papers
J. Fluids Eng. August 2010, 132(8): 081102.
Published Online: August 16, 2010
...-coupling computation. The proposed method makes the computation processes more close to the real conditions. Relations between the instantaneous flow evolutions and the corresponding transient flow-rate, head, efficiency and power were analyzed. Relative velocity comparisons between the transient...