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Saydam, Ahmet Ziya; Gokcay, Serhan; Insel, Mustafa
{ "DOI": "10.5957/JSPD.09190051", "abstract": "Air wake distribution around the superstructure of a mega-yacht is a key concern for the designer because of various reasons such as comfort expectations in recreational deck areas, self-noise generation, air pollution and temperature gradients due to exhaust interactions, and safety of helicopter operations such as landing/take off and hovering. The Reynolds-averaged Navier-Stokes (RANS) technique in computational fluid dynamics (CFD) is frequently used in studies on mega-yacht hydrodynamics and aerodynamics with satisfactory results. In this article, a case study is presented for the utilization of CFD in a mega-yacht's superstructure design. The flow field in recreational open areas has been analyzed for the increase in velocity due to the existence of the superstructure. A reduction in self-noise of the mast structure has been aimed by reducing flow separation and vorticity. Time-dependent velocity data obtained with scale-resolving simulations are presented for the evaluation of helicopter landings. The capabilities and limitations of the RANS technique are discussed along with recent developments in modeling approaches.", "author": [ { "family": "Saydam", "given": " Ahmet Ziya" }, { "family": "Gokcay", "given": " Serhan" }, { "family": "Insel", "given": " Mustafa" } ], "container_title": "JOURNAL OF SHIP PRODUCTION AND DESIGN", "id": "9689", "issue": "4", "issued": { "date-parts": [ [ 2020, 1, 1 ] ] }, "page": "259-270", "title": "Evaluation of Aerodynamic Characteristics of Mega-Yacht Superstructures by CFD Simulations", "type": "article-journal", "volume": "36" }
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