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Validation of full-scale delivered power CFD simulations
Chalmers University of Technology, Sweden; FLOWTECH International AB, Sweden.
RISE Research Institutes of Sweden, Safety and Transport, Maritime department. (SSPA)ORCID iD: 0000-0002-6266-2320
FLOWTECH International AB, Sweden.
2021 (English)In: Ocean Engineering, ISSN 0029-8018, E-ISSN 1873-5258, Vol. 238, article id 109654Article in journal (Refereed) Published
Abstract [en]

Verification and Validation of CFD simulations of delivered power at full-scale are carried out for a single screw cargo vessel. Numerical simulations are performed with a steady-state RANS method coupled with a body force propeller model based on a lifting line theory. There are no significant differences in the uncertainty levels between model and full-scale computations. The finest grid exhibits the numerical uncertainty of 1.40% at full-scale. Computed results are compared with sea trial data for three sister ships. Special attention is paid to the effect of roughness on the hull and propeller. The comparison error for the delivered power is about 1% which is significantly lower than the experimental uncertainty. © 2021 The Authors

Place, publisher, year, edition, pages
Elsevier Ltd , 2021. Vol. 238, article id 109654
Keywords [en]
CFD, Delivered power, Full-scale, Hull roughness, Self-propulsion, Uncertainty, Validation, Verification, Hulls (ship), Numerical methods, Ship propulsion, Surface roughness, CFD simulations, Power, Single screw, Verification-and-validation, Computational fluid dynamics, computer simulation, hull, model validation, numerical model, uncertainty analysis
National Category
Vehicle Engineering
Identifiers
URN: urn:nbn:se:ri:diva-57264DOI: 10.1016/j.oceaneng.2021.109654Scopus ID: 2-s2.0-85113996429OAI: oai:DiVA.org:ri-57264DiVA, id: diva2:1619228
Note

Funding details: Vetenskapsrådet, VR, 2016-07213; Funding details: Energimyndigheten; Funding text 1: The authors would like to thank: Energimyndigheten (Swedish Energy Agency) for the financial support and SSPA for providing highly valuable input on full-scale measurements. The computations were enabled by resources provided by the Swedish National Infrastructure for Computing (SNIC) at C3SE, partially funded by the Swedish Research Council through grant agreement no. 2016-07213 .; Funding text 2: Michal Orych reports financial support was provided by Energimyndigheten (Swedish Energy Agency). Michal Orych reports a relationship with FLOWTECH International AB that includes: board membership and employment.

Available from: 2021-12-13 Created: 2021-12-13 Last updated: 2023-04-28Bibliographically approved

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