Numerical Results

Turbulent flow 180゜ curved pipe with roughened wall

Numerical object

Computational mesh

Streamwise velocity

Pressure distribution

Path lines

Turbulence energy

Streamwise normal stress

Radial normal stress

Peripheral normal stress

Shear stress between streamwise and radial direction

Shear stress between streamwise and peripheral direction

Shear stress between radial and peripheral direction

Development of secondary flow (Animation)

Turbulent flow 180゜ curved pipe with smooth wall

Following figures are displayed in a half of total cross section, considering symmetrical flow.

Numerical object

Computational mesh

Streamwise velocity

Pressure distribution

Path lines

Turbulence energy

Streamwise normal stress

Radial normal stress

Peripheral normal stress

Shear stress between streamwise and radial direction

Shear stress between streamwise and peripheral direction

Shear stress between radial and peripheral direction

Development of secondary flow (Animation)

This research work has been done in coorperation with Mr. Shinohara.
He had graduated from Utsunomiya University at 1998.
He has belonged to HITACHI CO.