Measuring Turbulence from Moored Acoustic Doppler Velocimeters: A Manual to Quantifying Inflow at Tidal Energy Sites

Levi Kilcher, Jim Thomson, Joe Talbert, Alex DeKlerk

Research output: NRELTechnical Report

Abstract

This work details a methodology for measuring hub height inflow turbulence using moored acoustic Doppler velocimiters (ADVs). This approach is motivated by the shortcomings of alternatives. For example, remote velocity measurements (i.e., from acoustic Doppler profilers) lack sufficient precision for device simulation, and rigid tower-mounted measurements are very expensive and technically challenging in the tidal environment. Moorings offer a low-cost, site-adaptable and robust deployment platform, and ADVs provide the necessary precision to accurately quantify turbulence.
Original languageAmerican English
Number of pages41
DOIs
StatePublished - 2016

NREL Publication Number

  • NREL/TP-5000-62979

Keywords

  • marine and hydrokinetic
  • MHK
  • NREL
  • tidal energy
  • turbulence

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