Numerical Results


Turbulent flow of straight open channel flow with rectangular cross section

In the case of bank angle 32 degree
Note: Figures are shown on half cross section, considering symmetry of calclation object.

Calculated object and mesh


Streamwise velocity and secondary flow


Pressure distribution and secondary flow


Turbulence energy


Path lines


Streamwise vorticity and secondary flow


Production term of streamwise vorticity



In the case of bank angle 44 degree
Note: Figures are shown on half cross section, considering symmetry of calclation object.

Calculated object and mesh


Streamwise velocity


Pressure distribution and secondary flow


Turbulence energy


Path lines


Streamwise vorticity


Production term of streamwise vorticity



In the case of bank angle 60 degree.
Note: Figures are shown on half cross section, considering symmetry of calclation object.

Calculated object


Computational mesh


Stramwise velocity and secodary flow


Pressure distribution and secondary flow


Turbulence energy


Path lines


Streamwise vorticity


Production term of streamwise vorticity


Development of secondary flow (Stationary image)

Development of secondary flow (Animation)



This research work has been done in coorperation with Mr. Kamezawa.
He had graduated from Utsunomiya University at 1997.
He has belonged to EBARA CO.


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