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ITTC-Recommended Guidelines Model Tests for Current Turbines

Abstract

The purpose of this document is to offer guidance to research organisations on designing and performing model tests of current turbine devices at small, intermediate, and field-scale in a reproducible environment at a hydrodynamic test facility suitable for testing such devices. This guideline addresses testing of devices intended to extract energy from both tidal currents, which typically involve bi-directional flow, and ocean currents, which typically involve uni-directional flow. Key issues addressed are:

  • Definition of the stages of a device test program – Technology Readiness Level (TRL) definition
  • Summary of testing requirements / challenges for device type (ocean v tidal current, rotating v non-rotating, shallow v deep deployment, rigid mounting v flexible mooring) and device development stage;
  • Coupling between model scale, choice of facility, device type, and experiment stage.
  • Identification of common error sources associated with small to field-scale testing with guidelines on impact on test success, interpretation of test results and how to quantify and report measurement error.