Computational analysis of wind-turbine blade rain erosion

被引：74

作者：

Castorrini, Alessio ^{[1
]}

Corsini, Alessandro ^{[1
]}

Rispoli, Franco ^{[1
]}

Venturini, Paolo ^{[1
]}

Takizawa, Kenji ^{[2
]}

Tezduyar, Tayfun E. ^{[3
]}

机构：

[1] Sapienza Univ Rome, Dipartimento Ingn Meccan & Aerosp, Via Eudossiana 18, I-00184 Rome, Italy

[2] Waseda Univ, Dept Modern Mech Engn, Shinjuku Ku, 1-6-1 Nishi Waseda, Tokyo 1698050, Japan

[3] Rice Univ, Mech Engn, 6100 Main St, Houston, TX 77005 USA

来源：

COMPUTERS & FLUIDS | 2016年 / 141卷

关键词：

Wind turbine; Blades; Rain erosion; SUPG and PSPG methods; PCT model; FINITE-ELEMENT COMPUTATION; MULTIPHASE COMBUSTION; FLOW COMPUTATIONS; SUPG FORMULATION; STABILIZATION; SIMULATION; PARAMETERS; INTERFACES; PARTICLES; TRACKING;

D O I：

10.1016/j.compfluid.2016.08.013

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

Wind-turbine blade rain erosion damage could be significant if the blades are not protected. This damage would not typically influence the structural integrity of the blades, but it could degrade the aerodynamic performance and therefore the power production. We present computational analysis of rain erosion in wind-turbine blades. The main components of the method used in the analysis are the Streamline-Upwind/Petrov-Galerkin (SUPG) and Pressure-Stabilizing/Petrov-Galerkin (PSPG) stabilizations, a finite element particle-cloud tracking method, and an erosion model. The turbulent-flow nature of the analysis is handled with a RANS model and SUPG/PSPG stabilization, the particle-cloud trajectories are calculated based on the computed flow field and closure models defined for the turbulent dispersion of particles, and one-way dependence is assumed between the flow and particle dynamics. The erosion patterns are then computed based on the particle-cloud data. The patterns are consistent with those observed in the actual wind turbines. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：175 / 183

页数：9

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