An investigation into Reynolds scaling and solidity for a HATT tidal turbine

Matthew Allmark, Stephanie Ordonez-Sanchez, Sujin Wang, Yo Seop Kang, Chul-Hee Jo, Tim O'Doherty, Cameron Johnstone

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Abstract

Scale model testing has formed a vital part of modelling research activities, allowing modelling researchers to validate code and model set ups against experimental data. Generally, scale testing to-date has proceeded at the 1/30th to 1/20th scale which is in line with the size of facilities available for testing such devices. This paper presents a fundamental study into the effects of Reynolds Number and Rotor Solidity when testing HATTs at 1/5th scale, 1/20th scale and 1/30th scale. The paper utilises a mixture of 1/30th scale (0.5 m diameter) experimental data for two, three and four rotor setups, 1/20th scale (0.9m diameters) experimental data for a three-blade rotor setup.
Original languageEnglish
Number of pages8
Publication statusPublished - 1 Sep 2019
Event13th European Wave and Tidal Energy Conference - Naples, Italy
Duration: 1 Sep 20196 Sep 2019

Conference

Conference13th European Wave and Tidal Energy Conference
CountryItaly
CityNaples
Period1/09/196/09/19

Keywords

  • Reynolds scaling
  • solidity
  • horizontal axis turbines
  • experiments
  • flume tank

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    Allmark, M., Ordonez-Sanchez, S., Wang, S., Kang, Y. S., Jo, C-H., O'Doherty, T., & Johnstone, C. (2019). An investigation into Reynolds scaling and solidity for a HATT tidal turbine. Paper presented at 13th European Wave and Tidal Energy Conference, Naples, Italy.