Simulation of unsteady flow induced by in vortices the draft tube of a Francis turbine

Qinghua Daxue Xuebao/Journal of Tsinghua University

Volumn 42, Issue 12, 2002, Pages 1647-1650

  Wang, Zhengwei ^a   Zhou, Lingjiu ^b   Huang, Yuanfang ^c  

^a TSINGHUA UNIVERSITY   (China)

^b CHINA AGRICULTURAL UNIVERSITY   (China)

^c China Three Gorges Project Corporation   (China)

Author keywords

Draft tube; Hydraulic turbines; Unsteady flow field; Vortex rope

Indexed keywords

COMPUTER SIMULATION; DIFFUSERS (FLUID); FLOW OF FLUIDS; TURBULENCE;

DRAFT TUBE; HYDRAULIC TURBINES; UNSTEADY FLOW FLUID; VORTEX ROPE;

FRANCIS TURBINES;

EID: 0036951281     PISSN: 10000054     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (7)

1. Bhan S, Codrington J B, Mieke H. Reduction of francis turbine draft tuibe surges [A]. Froehlich D R, Wagner S K, Webb D R. Fifth Int Symp on Hydro Power Fluid Machinery [C], New York: ASME, 1988. 95-101.
2. Yang Jianming. Turbulent Flow Calculation through Draft Tube and Runner of Hydraulic Turbines [D]. Beijing: Tsinghua University, 1999. (in Chinese)
3. T Jacob, E Prenat. Francis turbine surge: Discussion and date base [A]. E Cabrera, V Espert and F Martinez. XVIII IAHR Symposium [C]. Dordrecht: Kluwer Academic Publishers Incorporates, 1996. 855-864.
4. Issa R I. Solution of implicitly discretized fluid flow equations by operator splitting [J]. J Compute Phys, 1986, 62: 40-65.
5. WANG Zhengwei, ZHOU Lingjiu. Rotator-stator interaction induced unsteady-flow simulation [J]. J Tsinghua Univ, 2001, 41 (10): 74-77. (in Chinese)
6. Yakhot V, Orszag S A. Renormalization group analysis of turbulence: I. basic theory [J]. J Scientific Computing, 1986, 1 (1): 1-51.
7. Shih T H, Liou W W, Shabbir A, et al. A new κ-ε eddy-viscosity model for high reynolds number turbulent flows - model development and validation [J]. Computers Fluids, 1995, 24 (3): 227-238.