Numerical simulation of transient processes in hydroturbines

被引：32
|
作者：
Avdyushenko, A. Yu [1 ]
Cherny, S. G. [1 ]
Chirkov, D. V. [1 ]
Skorospelov, V. A. [2 ]
Turuk, P. A. [2 ]
机构：
[1] RAS, Inst Computat Technol, SB, Novosibirsk, Russia
[2] RAS, Sobolev Inst Math, SB, Novosibirsk, Russia
来源：
THERMOPHYSICS AND AEROMECHANICS | 2013年 / 20卷 / 05期
基金：
俄罗斯基础研究基金会;
关键词：
numerical simulation; modeling; transient processes; hydro turbines; VORTEX;
D O I：
10.1134/S0869864313050059
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
A method for calculation of unsteady 3D turbulent flows in hydro turbines of power plants developed for simulation of the transient processes is presented herein. The method is based on joint solution to the Reynolds-averaged Navier-Stokes equations for incompressible fluid flow written for moving mesh, the equation of runner rotation and the system of 1D equations describing propagation of elastic hydraulic shock in the flow domain. The exchange in flow parameters between the penstock and hydro turbine regions is considered in this approach. Results of transient processes simulation are presented for several modes: start-up to the turbine regime, instantaneous load shedding, and output power decrease. Comparison with experimental data is performed.
引用
收藏
页码：577 / 593
页数：17
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