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Highly accurate exp...
Highly accurate experimental heave decay tests with a floating sphere : A public benchmark dataset for model validation of fluid–structure interaction
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- Kramer, Morten (författare)
- Aalborg University, Denmark; Floating Power Plant, Denmark,Aalborg Universitet
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- Andersen, Jacob (författare)
- Aalborg University, Denmark,Aalborg Universitet
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- Thomas, Sarah (författare)
- Floating Power Plant, Denmark
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- Buus Bendixen, Flemming (författare)
- Sintex, Denmark
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- Bingham, Harry (författare)
- DTU Technical University of Denmark, Denmark,Danmarks Tekniske Universitet,Technical University of Denmark
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- Read, Robert (författare)
- DTU Technical University of Denmark, Denmark,Danmarks Tekniske Universitet,Technical University of Denmark
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- Holk, Nikolaj (författare)
- Aalborg University, Denmark,Aalborg Universitet
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- Ransley, Edward (författare)
- University of Plymouth, UK
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- Brown, Scott (författare)
- University of Plymouth, UK
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- Yu, Y-H (författare)
- National Renewable Energy Laboratory, USA
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- Tran, Thanh Toan (författare)
- National Renewable Energy Laboratory, USA
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- Davidson, Josh (författare)
- Budapest University of Technology and Economics, Hungary,Budapesti Muszaki es Gazdasagtudomanyi Egyetem
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- Horvath, Csaba (författare)
- Budapest University of Technology and Economics, Hungary,Budapesti Muszaki es Gazdasagtudomanyi Egyetem
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- Janson, Carl-Erik, 1957 (författare)
- Chalmers University of Technology, Sweden,Chalmers tekniska högskola
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- Nielsen, Kim (författare)
- Ramboll Group A/S, Denmark; Aalborg University, Denmark,Aalborg Universitet,Aalborg University,Ramböll Group,Ramboll Group
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- Eskilsson, Claes (författare)
- RISE,Säkerhetsforskning,Aalborg University, Denmark,Aalborg Universitet,RISE Research Institutes of Sweden
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(creator_code:org_t)
- 2021-01-06
- 2021
- Engelska.
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Ingår i: Energies. - : MDPI AG. - 1996-1073. ; 14:2
- Relaterad länk:
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https://doi.org/10.3...
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https://www.mdpi.com...
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https://research.cha... (primary) (free)
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https://urn.kb.se/re...
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https://doi.org/10.3...
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https://research.cha...
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Abstract
Ämnesord
Stäng
- Highly accurate and precise heave decay tests on a sphere with a diameter of 300 mm were completed in a meticulously designed test setup in the wave basin in the Ocean and Coastal Engineering Laboratory at Aalborg University, Denmark. The tests were dedicated to providing a rigorous benchmark dataset for numerical model validation. The sphere was ballasted to half submergence, thereby floating with the waterline at the equator when at rest in calm water. Heave decay tests were conducted, wherein the sphere was held stationary and dropped from three drop heights: a small drop height, which can be considered a linear case, a moderately nonlinear case, and a highly nonlinear case with a drop height from a position where the whole sphere was initially above the water. The precision of the heave decay time series was calculated from random and systematic standard uncertainties. At a 95% confidence level, uncertainties were found to be very low—on average only about 0.3% of the respective drop heights. Physical parameters of the test setup and associated uncertainties were quantified. A test case was formulated that closely represents the physical tests, enabling the reader to do his/her own numerical tests. The paper includes a comparison of the physical test results to the results from several independent numerical models based on linear potential flow, fully nonlinear potential flow, and the Reynolds-averaged Navier–Stokes (RANS) equations. A high correlation between physical and numerical test results is shown. The physical test results are very suitable for numerical model validation and are public as a benchmark dataset. © 2021 by the authors.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Strömningsmekanik och akustik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Fluid Mechanics and Acoustics (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Teknisk mekanik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Applied Mechanics (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Samhällsbyggnadsteknik -- Geoteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Civil Engineering -- Geotechnical Engineering (hsv//eng)
Nyckelord
- Benchmark dataset
- CFD
- Fluid–structure interaction
- Fully nonlinear potential flow
- Heave decay
- Linear potential flow
- Physical tests
- RANS
- Sphere
- Wave energy converters
- Coastal engineering
- Drops
- Laboratories
- Navier Stokes equations
- Nonlinear equations
- Numerical models
- Potential flow
- Rope
- Spheres
- Aalborg University
- Benchmark datasets
- Confidence levels
- Engineering laboratories
- Physical parameters
- Reynolds averaged
- Standard uncertainty
- Statistical tests
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Energies
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- Av författaren/redakt...
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Kramer, Morten
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Andersen, Jacob
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Thomas, Sarah
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Buus Bendixen, F ...
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Bingham, Harry
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Read, Robert
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visa fler...
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Holk, Nikolaj
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Ransley, Edward
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Brown, Scott
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Yu, Y-H
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Tran, Thanh Toan
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Davidson, Josh
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Horvath, Csaba
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Janson, Carl-Eri ...
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Nielsen, Kim
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Eskilsson, Claes
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