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Parametric investigation of the effects of deadrise angle and demi-hull separation on impact forces and spray characteristics of catamaran water entry
The growing application of catamaran planing hulls implies the significance of comprehensive studies on different aspects of these types of vessels. In this context, slamming is an importantExpand
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Performance Assessment of the Waterjet Propulsion System through a Combined Analytical and Numerical Approach
TLDR
The application of waterjets is rapidly growing and they are increasingly being chosen for propulsion in high-speed crafts. Expand
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Assessment of Air Flow over an Equilateral Triangular Obstacle in a horizontal Channel Using FVM
Viscous and incompressible flow is simulated over an equilateral triangular obstacle placed in a horizontal channel. Different from the previous studies, the governing Navier-Stokes equations alongExpand
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Selective and metal-free epoxidation of terminal alkenes by heterogeneous polydioxirane in mild conditions
Polydioxirane (PDOX) was prepared by the treatment of polysalicylaldehyde with Oxone and was found as a selective, highly efficient and heterogeneous reagent for epoxidation of alkenes which can beExpand
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Asymmetric Water Entry of Twin Wedges with Different Deadrises, Heel Angles, and Wedge Separations using Finite Element Based Finite Volume Method and VOF
Asymmetric water entry of twin wedges is investigated for deadrise angles of 30 and 50 degrees, and heel angles of 5, 10, 15, and 20 degrees as well as wedge separation ratios of 1 and 2. FiniteExpand
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Hydrodynamic Performance of the Modern Ship Propulsion System
This paper presents numerical calculations for podded propulsion system using vortex theory and potential panel method. The method discretizes the surface boundary of the body (propeller +pod+strut)Expand
ESTIMATION OF WATER ENTRY FORCES, SPRAY PARAMETERS AND SECONDARY IMPACT OF FIXED WIDTH WEDGES AT EXTREME ANGLES USING FINITE ELEMENT BASED FINITE VOLUME AND VOLUME OF FLUID METHODS
In this paper, water entry of wedges with deadrise angles ranging from 10 to 80 degrees at two different velocities is simulated. Impact forces, spray parameters, cavity formation above the chine,Expand
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Hydrodynamic Design of Contra-Rotating Propeller for the Ships
This paper describes a contra-rotating propeller (CRP) system to calculate the hydrodynamic characteristics and then design the optimum operational condition to be installed on two different largeExpand
Viscous Models Comparison in Water Impact of Twin 2D Falling Wedges Simulation by Different Numerical Solvers
Article History: Received: 17 Mar. 2017 Accepted: 9 Nov. 2017 In this paper, symmetric water entry of twin wedges is investigated for deadrise angle of 30 degree. Three numerical simulation of aExpand
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