Power and renewables

DNV-RP-0171 Testing of rotor blade erosion protection systems

Recommended practice

Edition 2018-02 - Amended 2021-10

The rain erosion performance of the test specimens is dependent on many parameters which are not directly connected to the erosion protection system itself such as, the substrate below the protection system (laminate and filler) and the test rig parameters. 

This recommended practice (RP) provides guidance as to which parameters will influence the test results, and therefore shall be monitored and controlled during erosion testing, to ensure comparable results when using different test rigs. As far as applicable, the parameters are set to represent the environmental conditions that a leading edge of a rotor blade on a wind turbine is exposed to.

In addition, guidance is provided for the selection of a calibration specimen.

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