Prediction of the transom flow regime with viscous free surface computations

Van der Ploeg, Auke; Starke, Bram

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Van der Ploeg, Auke

Starke, Bram

Document typeConference report

Defense date2011

PublisherCIMNE

Rights accessOpen Access

All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder

Abstract

A steady free-surface fitting RANS method is used to accurately and efficiently compute the flow near a ship‟s transom. The chosen block topology is very well suited for the prediction of such flows: viscous free-surface flow solutions have been obtained for all transom flow regimes (from completely dry, partly wetted to completely wetted) and the agreement with available measurements is good. We will show that scale effects on the flow aft of the transom can be significant: they can affect the wave length and wave amplitude aft of the transom, and can even change the transom flow regime from partly wetted to completely dry.

CitationVan der Ploeg, A.; Starke, B. Prediction of the transom flow regime with viscous free surface computations. A: . CIMNE, 2011, p. 638-649.

URIhttp://hdl.handle.net/2117/333297

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International Conference on Computational Methods in Marine Engineering - MARINE - IV International Conference on Computational Methods in Marine Engineering (MARINE 2011) Lisbon, Portugal, 28-30 September, 2011 [56]

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