Results 11 to 20 of about 2,841 (229)
Prediction of supercavitation shapes for a wide range of Froude numbers
In this study, we developed an inviscid model to predict the shape of supercavitation in a wide range of Froude numbers (Fr) based on the potential theory suggested by Logvinovich (1973). Visualization experiments were carried out in a cavitation tunnel,
Jong-Ju Yi +4 more
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Mach and Froude Numbers on Mars [PDF]
Abstract Mars atmospheric global circulation models exhibit transonic jet streaks during northern winter, which motivates this study of the Mach number, Ma (the ratio of flow speed to the speed of sound), and Froude number, Fr (the ratio of flow speed to the speed of buoyancy waves), as a function of season and location.
Nasr, Camella-Rosa C. +4 more
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Inviscid, zero Froude number limit of the viscous shallow water system
In this paper, we study the inviscid and zero Froude number limits of the viscous shallow water system. We prove that the limit system is represented by the incompressible Euler equations on the whole space.
Yang Jianwei, Liu Mengyu, Hao Huiyun
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Energy Dissipation Through Pool Downstream Vertical Gates [PDF]
The hydraulic jump downstream gates leads to increase the length of stilling basin for protection hydraulic structures from failures. In this paper a new technique to increase energy dissipation between upstream and downstream through vertical gate with ...
tarek nasralla, ahmed awwad
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The transition from moderate to weak turbulence regimes remains a grand challenge for stable boundary layer parameterizations in weather and climate models.
Xin Shao +3 more
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Vortex ring refraction at large Froude numbers [PDF]
We have experimentally studied the impact of an initially planar axisymmetric vortex ring, incident at an oblique angle, upon a gravity-induced interface separating two fluids of differing densities. After impact, the vortex ring was found to exhibit a variety of subsequent trajectories, which we organize according to both the incidence angle, $ _i ...
Kuehn, Kerry +3 more
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Research on heat transfer characteristic for hot oil spraying heating process in crude oil tank
The finite volume method and standard k−ε turbulence model are used to numerically investigate the heat transfer features of crude oil inside the floating roof tank under the hot oil spraying heating mode.
Jian Zhao +3 more
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A Novel Efficient Method of Estimating Suspended‐To‐Total Sediment Load Fraction in Natural Rivers
Sediment transport load monitoring is important in civil and environmental engineering fields. Monitoring the total load is difficult, especially because of the cost of the bed load transport measurement.
Hyoseob Noh, Yong Sung Park, Il Won Seo
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This paper numerically investigates the resistance at full-scale of a zero-emission, high-speed catamaran in both deep and shallow water, with the Froude number ranging from 0.2 to 0.8.
Guangyu Shi +6 more
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The needs to reduce energy consumption have to be applied to all sector, and one of them is transportation. Shipping is the most significant component of it, and therefore optimising a ship performance and reducing its resistance is a subject for many ...
Yanuar +4 more
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