Cavitation limits on tidal turbine performance
- Submitting institution
-
University of Oxford
- Unit of assessment
- 12 - Engineering
- Output identifier
- 9557
- Type
- D - Journal article
- DOI
-
10.1016/j.oceaneng.2018.01.060
- Title of journal
- Ocean Engineering
- Article number
- -
- First page
- 223
- Volume
- 152
- Issue
- -
- ISSN
- 0029-8018
- Open access status
- Compliant
- Month of publication
- February
- Year of publication
- 2018
- URL
-
-
- Supplementary information
-
-
- Request cross-referral to
- -
- Output has been delayed by COVID-19
- No
- COVID-19 affected output statement
- -
- Forensic science
- No
- Criminology
- No
- Interdisciplinary
- No
- Number of additional authors
-
2
- Research group(s)
-
-
- Proposed double-weighted
- No
- Reserve for an output with double weighting
- No
- Additional information
- There currently exists no design code in relation to cavitation for tidal stream rotors. Current design practice is to be overly conservative to ensure that cavitation inception conditions are prevented, which leads to much lower operating tip-speed-ratios and thus rotor performance than is desirable. The paper uses high fidelity computation to assess cavitation inception conditions for tidal stream rotors and thus deduce safe operating conditions and, importantly, quantifies the degree of conservatism in current design practice. The paper provides simple relationships for designers to trade off cavitation margin for increased tip-speed-ratio, and correct engineering design tools for cavitation inception prediction.
- Author contribution statement
- -
- Non-English
- No
- English abstract
- -