Experimental and Numerical Simulation Study on the Flow Characteristics of the Draft Tube in Francis Turbine

Experimental and Numerical Simulation Study on the Flow Characteristics of the Draft Tube in Francis Turbine

The flow characteristics of the draft tube of a Francis turbine have a significant influence on turbine stability. Numerical simulations were performed for a Francis turbine under three different output conditions of 20%, 100%, and 120% at the rated and maximum heads. Laser Doppler velocimetry (LDV)...

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Bibliographic Details
Main Authors: Lei Ji, Lianchen Xu, Yuanjie Peng, Xiaoyi Zhao, Zhen Li, Wen Tang, Demin Liu, Xiaobing Liu
Format: Article
Language:English
Published: MDPI AG 2022-03-01
Series:Machines
Subjects:
Francis turbine
numerical simulation
laser Doppler velocimetry
draft tube
vortex rope
Online Access:https://www.mdpi.com/2075-1702/10/4/230

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