NDLI: The Alteration of Runner and Partial Vanes on a Fixed Blade Propeller Water Turbine Basing on the Full Passage Simulation

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Zhang, Lanjin Wang, Zhengwei He, Qingqing Peng, Guangjie
Copyright Year	2008
Abstract	Basing on the 3D-steady Navier-Stokes equations with standard k-ε turbulence closure models, non-structure mesh with fitted body coordinate and finite element based finite volume method, the internal flow on the full passage of the 6.5-meters head fixed blade propeller water turbine is analyzed. Numerical results show that the low output is caused by unsuitable full passage. The flow on the stay vanes isn’t uniform and the circumferential velocity of the runner rim is too large, which leads to a high loss in the draft tube. So the runner and partial stay vanes in the concrete spiral casing are redesigned. The output of the full passage with new runner and new partial stay vanes under 6.5-meters head is 295KW larger than the old one with 240KW output, and the efficiency is 81%, which is larger than former 70%. The redesign of runner and stay vanes is successful.
Sponsorship	Fluids Engineering Division
Starting Page	1199
Ending Page	1203
Page Count	5
File Format	PDF
ISBN	9780791848401
DOI	10.1115/FEDSM2008-55245
e-ISBN	0791838323
Volume Number	Volume 1: Symposia, Parts A and B
Conference Proceedings	ASME 2008 Fluids Engineering Division Summer Meeting collocated with the Heat Transfer, Energy Sustainability, and 3rd Energy Nanotechnology Conferences
Language	English
Publisher Date	2008-08-10
Publisher Place	Jacksonville, Florida, USA
Access Restriction	Subscribed
Subject Keyword	Cfd analysis Fixed blade propeller water turbine Efficiency Output Hydraulic turbines Propellers Blades Simulation
Content Type	Text
Resource Type	Article

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