... calculation simulation torque energy fluid dynamics impeller journal shutdown renewable energy diagram closure artificial intelligence month 2024 ship research numerical simulation fluctuation Journal of Ship Research, Vol. 68, No. 3, September 2024, pp. 107 122 httpdx.doi.org/10.5957/JOSR...

... are usually rather flexible, and their design requires computationally demanding analysis, involving hydroelastic calculations. In this study, exploratory high-fidelity simulations have been carried out for surface-piercing hydrofoils in unsteady conditions with help of a computational fluid dynamics solver...

... estimate of over the hull surface. The CFD (computational fluid dynamics) framework used is a second-order accurate finite- volume discretization, on grids consisting of arbitrary polyhedral cells. As demonstrated in the following paragraphs, the grid cell topology has an important impact on the WMLES...

...; Vukčević et al. 2016). 1 3 2020 1 3 2020 2020. The Society of Naval Architects and Marine Engineers streamline simulation zone arrangement Force Amplitude perić Upstream Oil & Gas flow simulation pontoon Fluid Dynamics reflection boundary reservoir simulation...

... tests in waves. Viscous flow simulation was performed by using CFDShip-Iowa. The wave conditions proposed in Computational Fluid Dynamics (CFD) Workshop 2015 were considered, i.e., the wave-ship length ratio λ/ L = .65, .85, 1.15, 1.37, 1.95, and calm water. The objective of this study was to validate...

... the load-varying self-propulsion test method for constant speed and seven different propeller rotation rates. Rotational speed, thrust, and torque forces at self-propulsion point are investigated. For the numerical computations a commercial Computational Fluid Dynamics (CFD) code is used. Propeller open...

... effect; however, they are expensive. The Computational Fluid Dynamics (CFD) method is an alternative to accurately consider the viscous effect. In this study, a CFD approach based on harmonic exciting roll motion technique is adopted to compute the roll motion characteristics and damping coefficients...

... forces were slightly but consistently overestimated. 1. Introduction In the past few decades, because of the increase in the computing ability and resources, computational fluid dynamic (CFD) approach has been gaining popularity in the naval hydrodynamic communities. Considering that a large portion...

...E. Güngör; I. B. Özdemir The acoustical performance of a counter-rotating marine propeller system is computed using the Ffowcs, Williams and Hawkings (FWH) algorithm. The solution procedures, where finite volume computational fluid dynamics calculations were exploited, was validated...

...Brendan Smoker; Bart Stockdill; Peter Oshkai In this paper, we outline and validate a computational fluid dynamics (CFD) method for determining the hydrodynamic forces of an escort tug in indirect towing mode. We consider a range of yaw angles from 0° to 90° and a travel speed of 8 knots. We...

... fluid dynamics solver REX were conducted to study the open water characteristics, transient blade loads, and flow behavior of propeller 4661, with comparison to fully submerged experimental data at 0° and 30° shaft inclination with respect to the incoming flow. Deeply submerged computations...

... 2012 1 9 2012 2012. The Society of Naval Architects and Marine Engineers Upstream Oil & Gas heating Heat Transfer analysis inherent strain method Fluid Dynamics electromagnetic analysis deflection turn pancake coil flow in porous media induction heating experiment coil...

... propeller disc december 2011 Fluid Dynamics oblique inflow torque experimental result ventilation equation thruster proceedings annular ring propulsor thrust Journal of Ship Research, Vol. 55, No. 4, December 2011, pp. 268 288 Experimental and Theoretical Analysis of Propeller Shaft Loads...

...Virag Mishra; S. Vengadesan This paper presents a computational fluid dynamics (CFD) approach to the calculation of translational added mass coefficient of axisymmetric underwater bodies in both longitudinal and transverse directions. The proposed method involves CFD simulations of accelerated...

...-dimensional fluid dynamics calculation. A water flooding criterion for an underwater engine is also given by these models and related experiments. Safe operation ranges of the engine are also studied. The histories of relative engine speed, pressure, and Froude number of the tail pipe exhaust gas under...

... Architects and Marine Engineers Upstream Oil & Gas cell face phase fraction Fluid Dynamics prediction boundedness Artificial Intelligence june 2007 phase fraction field diffusion integration fraction face value reservoir simulation calculation fluid interface limiter equation test...

... the RANS method to predict damping and added mass coefficients with a high degree of accuracy. 1 6 2005 1 6 2005 2005. The Society of Naval Architects and Marine Engineers Upstream Oil & Gas Simulation Journee Fluid Dynamics hull coefficient Boundary Layer heave motion...

... contribute to a surface-ship resistance and propulsion model-scale database for computational fluid dynamics validation as part of an international cooperative project between Istituto Nazionale per Studied Esperienze di Architettura Navale (INSEAN), Iowa Institute of Hydraulic Research (IIHR), and David...

... velocity potential ship motion problem vector Fluid Dynamics free surface slosh-induced force frequency coupling problem ship motion Upstream Oil & Gas time step march 2002 coef cient tank pillar equation roll motion numerical study amplitude computational result Journal of Ship...

...Bin Chen; Frederick Stern Computational fluid dynamics results are presented of four-quadrant flow for marine-propulsor P4381. The solution method is unsteady three-dimensional incompressible Reynolds-averaged Navier-Stokes equations in generalized coordinates with the Baldwin-Lomax turbulence...