Results 181 to 190 of about 2,841 (229)
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Froude number effects on flow over topography
Geophysical & Astrophysical Fluid Dynamics, 1987Abstract The response or a depth independent two layer flow to an underlying topographic irregularity is studied for flows in which the square of the internal Froude number exceeds the Rossby number. Irrespective of the magnitude of the Rossby number, rotation is important for such flows.
Roger L. Hughes, Koranteng N. Ofosu
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Oblique liquid curtains with a large Froude number
Journal of Fluid Mechanics, 2018This paper examines two-dimensional liquid curtains ejected at an angle to the horizontal and affected by gravity and surface tension. The flow in the curtain is, generally, sheared. The Froude number based on the injection velocity and the outlet’s width is assumed large; as a result, the streamwise scale of the curtain exceeds its thickness. A set of
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Minimum Flow Estimated By the Froude Number
Impacts of Global Climate Change, 2005Following the development and management of water resources to satisfy the human demand, the quantity and quality of flow in streams change in both space and time. With increasing recognition of streams being fundamental to human existence, concerns for the effect on the stream ecosystem have been raised by government, biologists and private citizen ...
Yen-Chang Chen +3 more
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Froude number paradoxes in modeling of snowdrift
Journal of Wind Engineering and Industrial Aerodynamics, 1990Abstract It is well known that Froude scaling is not always suitable for the modeling of snow drifting. However, the reason of the unsuitability has not been revealed. This paper presents three paradoxes which prove unsuitability of the Froude number as the similitude parameter in the modeling of snowdrift.
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Froude Number Scaling of Wind-Stress Coefficients
Journal of the Atmospheric Sciences, 1969Abstract Following the verification of the logarithmic nature of the wind profile and the establishment of a non-dimensional expression relating the shear velocity and surface roughness, a Froude number is proposed for scaling the wind stress at the air-water interface. A correlation curve for wind stresses determined at all fetches is presented and is
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High Froude Number Viscous Flow Past a Circular Cylinder
Volume 2: CFD and VIV, 2015Two-dimensional monophasic flow past a circular cylinder intersecting or close to a free surface at Reynolds 180 is numerically investigated using the Smoothed Particle Hydrodynamics (SPH) method. The wake behaviour for a range of conditions with Froude numbers between 0.3 and 2.0, a gap ratio of 0.55 and for a half-submerged cylinder are studied.
Bouscasse B +3 more
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Flows at small Reynolds and Froude numbers
International Journal of Engineering Science, 2010zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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Two-dimensional planing at high Froude number
Journal of Fluid Mechanics, 1958This paper examines the flow characteristics of a body of small slope planing at high Froude number over a water surface. An equation is obtained relating the slope of the planing surface to an integral containing the pressure distribution on the planing surface.
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Roll Motion of Yachts At Zero Froude Number
The International Journal of Small Craft Technology, 2004Yachts tend to roll uncomfortably whilst at anchor, causing discomfort to the crew and passengers, generating stresses on equipment, and making operations such as embarking and disembarking hazardous activities. A research program is under way to better understand the design factors and environmental influences leading to the rolling problem, with a ...
Klaka, Kim +3 more
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Stilling Basin Design for Low Froude Number
Journal of the Hydraulics Division, 1975Laboratory tests were conducted to investigate the possibilities of increasing the energy loss and shortening the required stilling basin length for the Froude number range of 2.5 - 4.5. Data were collected for both the ordinary hydraulic jump and the forced hydraulic jump.
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