M. M. Ashraful Alam   Hideki Sato   Manabu Takao   Shinya Okuhara   Toshiaki Setoguchi   
International Journal of Fluid Machinery and Systems 9(4) 300-306 2016年10月 [査読有り]
A twin unidirectional impulse turbine for wave energy conversion has been suggested in our previous study, and the performance under unsteady flow has been investigated by quasi-steady analysis. In the present study, the performance of twin impuls...
Katsuya Takasaki   Tomohiro Tsunematsu   Manabu Takao   M. M. Ashraful Alam   Toshiaki Setoguchi   
International Journal of Fluid Machinery and Systems 9(4) 307-312 2016年10月 [査読有り]
The present study reported of the use of special shaped blade to reduce the difference in pressure across the Wells turbine for wave energy conversion. The blade profile was composed of NACA0020 airfoils and trailing edge was notched like chevron....
M. M. A. Alam   T. Setoguchi   M. Takao   H. D. Kim   
JOURNAL OF APPLIED FLUID MECHANICS 9(2) 529-536 2016年3月 [査読有り]
Numerical experiments were carried out on the high speed driven cavity flows in 2D curved channels to investigate mainly the pressure field. A density-based algorithm in ANSYS Fluent 13.0 was used in the present URANS simulations. The SST k-omega ...