Approaches to Numerical Modelling of Rain Drop Erosion of Wind Turbine Blades: Surface Degradation Issues

Iain Buchanan; Emadelddin Hassan; Margaret M Stack

doi:10.20944/preprints202408.1113.v1

Preprint Article Version 1 This version is not peer-reviewed

Version 1 : Received: 12 August 2024 / Approved: 14 August 2024 / Online: 15 August 2024 (12:17:14 CEST)

This paper investigates the effects that rain drop erosion has on the integrity of wind turbine materials. This research involves analysis of impact models and theoretical equations to simulate the impact phenomena when a raindrop collides with a wind turbine blade at high speed. Impact phenomena that occur when a raindrop impacts with a wind turbine blade were evaluated. Additionally, the use of various types of software was considered to simulate this impact event. The model results of the raindrop impact with respect to a comparison of the governing equations and impact behaviour are addressed. Future work is outlined including adding variables to the erosion modelling algorithms.

raindrop erosion; wind turbine blades; impact modelling; material degradation; numerical simulation; surface damage; eulerian/lagrangian methods; smoothed particle hydrodynamics (sph); water hammer pressure; renewable energy

Engineering, Mechanical Engineering

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Approaches to Numerical Modelling of Rain Drop Erosion of Wind Turbine Blades: Surface Degradation Issues

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