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Title: Trash diverter orientation angle optimization at run-off river type hydro-power plant using CFD
Authors: Munisamy, K.M. 
Kamal, A. 
Shuaib, N.H. 
Yusoff, Mohd.Z. 
Hasini, H. 
Rashid, A.Z. 
Thangaraju, S.K. 
Hamid, H. 
Issue Date: 2010
Journal: In 10th Asian International Conference on Fluid Machinery, AICFM (Vol. 1225, pp. 807-815) 
Abstract: Tenom Pangi Hydro Power Station in Tenom, Sabah is suffering from poor river quality with a lot of suspended trashes. This problem necessitates the need for a trash diverter to divert the trash away from the intake region. Previously, a trash diverter (called Trash Diverter I) was installed at the site but managed to survived for a short period of time due to an impact with huge log as a results of a heavy flood. In the current project, a second trash diverter structure is designed (called Trash Diverter II) with improved features compared to Trash Diverter I. The Computational Fluid Dynamics (CFD) analysis is done to evaluate the river flow interaction onto the trash diverter from the fluid flow point of view, Computational Fluids Dynamics is a numerical approach to solve fluid flow profile for different inlet conditions. In this work, the river geometry is modeled using commercial CFD code, FLUENT®. The computational model consists of Reynolds Averaged Navier-Stokes (RANS) equations coupled with other related models using the properties of the fluids under investigation. The model is validated with site-measurements done at Tenom Pangi Hydro Power Station. Different operating condition of river flow rate and weir opening is also considered. The optimum angle is determined in this simulation to further use the data for 3D simulation and structural analysis. © 2010 American Institute of Physics.
DOI: 10.1063/1.3464931
Appears in Collections:COE Scholarly Publication

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