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Article citations


Chen, B. and Peng, G. (1988) Study on the Clearance Flow of a Hydraulic Turbine Guide Vane. Journal of Lanzhou University of Technology, No. 1, 50-58.

has been cited by the following article:

  • TITLE: Erosion Characteristics of Hydraulic Turbine Guide-Vane End Clearance in Sediment Water Flow: A Simplified Model Analysis

    AUTHORS: Wei Han, Jie Wang, Jingbo Kang, Lianyuan Li, Guoyi Peng

    KEYWORDS: Erosion Characteristics, Hydraulic Turbine, Guide Vane, Solid-Liquid Two Phase Flow, Numerical Simulation

    JOURNAL NAME: Journal of Flow Control, Measurement & Visualization, Vol.5 No.4, October 24, 2017

    ABSTRACT: The effect of clearance flow on the erosion characteristics of a circular cylinder with a backward facing step in sediment-laden water flow is analyzed numerically with the mixture model and the re-normalization group (RNG) k-ε turbulence model. Thirty-six monitoring points are set up on different stream surfaces to collect information on the impact erosion under different flow conditions, where the Initial Sediment Volume Fraction (ISVF) is set to 0.05, 0.075, 0.1, 0.125, and 0.15; particle diameter is set to 0.05 mm, 0.15 mm, 0.25 mm, 0.35 mm, and 0.45 mm respectively. The distribution of particle velocity and Local Solid-Phase Volume Fraction (LSVF) along different stream surfaces are calculated, based on which the trend of erosion is qualitatively evaluated. ISVF and particle diameter play different roles on the impact erosion index parameter () on the different wetted walls. Relative wear rate of numerical estimation agrees well with the practical one under the same working condition. Numerical analysis demonstrates that guide vane with a negative curvature end surface (concave surface) can decrease erosion damage effectively, which may provide a reference for optimal design and maintenance of hydraulic turbine.