Last edited by Kigadal
Tuesday, August 11, 2020 | History

7 edition of Free Surface Flows under Compensated Gravity Conditions found in the catalog.

Free Surface Flows under Compensated Gravity Conditions

by Michael E. Dreyer

  • 4 Want to read
  • 16 Currently reading

Published by Springer .
Written in English

    Subjects:
  • Engines & power transmission,
  • Technology & Industrial Arts,
  • Technology,
  • Science/Mathematics,
  • Astrophysics & Space Science,
  • Material Science,
  • Mechanics - General,
  • Science,
  • Capillary channel flows,
  • Compensated gravity environment,
  • Fluid mechanics,
  • Free surface flows,
  • Liquid management in space,
  • Technology / Material Science

  • Edition Notes

    Springer Tracts in Modern Physics

    The Physical Object
    FormatHardcover
    Number of Pages282
    ID Numbers
    Open LibraryOL9058009M
    ISBN 103540446265
    ISBN 109783540446262

    (free-surface boundary condition) (4) Here h denotes the height. Newtonian fluid For a flow of Newtonian fluid n 1 in the expression (3) and denotes the dynamic viscosity. Steady, fully developed, laminar, incompressible flow of a Newtonian fluid down an inclined plane (see Fig.1) under gravity the Navier-Stokes equations reduces to 0 2 2File Size: KB. These simulations provide clear evidence that the computational model captures the key features of the free surface solidifying flow under the conditions of the experimental measurements and so has the capability to model the phenomena involved in centrifugal casting. Download: Download full-size image; Fig. 7. Experimental and model by:

    much greater than the depth of flow is a good approximation to a flow with infinite width. 8 Take the x direction to be downstream and the y direction to be normal to the boundary, with y = 0 at the bottom of the flow (Figure ). By the no-slip condition, the velocity is zero at y = 0, so the velocity must increase upward in the Size: 1MB. In analogous fashion, free surface flows of Newtonian fluids can be characterized by the magnitude of the Reynolds number and the capillary number Ca =η 0V σ (where σ is the surface tension of the fluid), and can be represented on the horizontal plane of Figure 1. The slope of trajectories in this plane is again independent of the imposed.

    The surface flow assures fine bubble propagation by shearing off surface bubbles while they are forming. Spargers for gas-liquid mixing Conversely, flows cease for extended periods in some sections of the river, and what surface flow remains in other areas may be entirely dependent on groundwater emerging from numerous seeps and springs along. In physics, a free surface flow is the surface of a fluid flowing that is subjected to both zero perpendicular normal stress and parallel shear stress. This can be the boundary between two homogeneous fluids, like water in an open container and the air in the Earth's atmosphere that form a .


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Free Surface Flows under Compensated Gravity Conditions by Michael E. Dreyer Download PDF EPUB FB2

In the compensated gravity environment of a spacecraft, the hydrostatic pressure decreases to very low values depending on the residual acceleration, and surface tension forces become dominant.

Consequently, surface tension can be used to transport and position liquids if the residual acceleration and the resulting hydrostatic pressure are small compared to the capillary pressure. Buy Free Surface Flows under Compensated Gravity Conditions (Springer Tracts in Modern Physics) on FREE SHIPPING on qualified ordersCited by: In the compensated gravity environment of a spacecraft, the hydrostatic pressure decreases to very low values depending on the residual acceleration, and surface tension forces become dominant.

Consequently, surface tension can be used to transport and position liquids if the residual acceleration and the resulting hydrostatic pressure are small compared to the capillary : Springer-Verlag Berlin Heidelberg.

This book considers the behavior of fluids in a low-gravity environment with special emphasis on application in PMD (propellant management device) systems. In the compensated gravity environment of a spacecraft, the hydrostatic pressure decreases to very low values depending on the residual Price: $ Title: Free Surface Flows under Compensated Gravity Conditions: Authors: Dreyer, Michael E.

Publication: Free Surface Flows under Compensated Gravity Conditions, by M. Free Surface Flows Under Gravity Compensated Conditions, by M.E. Dreyer Article in Contemporary Physics 51(2) March with 10 Reads How we measure 'reads'.

Free surface flow with surface tension and gravity the point O and along the segment OS. At the point S, under the influence of gravity, the fluid separates from the plate and falls down to infinity like a jet.

We introduce cartesian coordinates with the x axis along the horizontal plate O'O. We consider the steady free surface two-dimensional flow due to a localized applied pressure distribution under the effects of both gravity and surface tension in water of a constant depth, and in the presence of a uniform stream.

The fluid is assumed to be inviscid and incompressible, and the flow Cited by: A gravity fed system function thanks to the gravity. Gravity is a force which attracts all objects on the earth surface, due to the attraction exerted by the planet’s mass. It is this force which makes that all bodies or things always fall at the lowest point (for example, a mango which falls from a tree).

Free Surface Flow: Environmental Fluid Mechanics introduces a wide range of environmental fluid flows, such as water waves, land runoff, channel flow, and effluent discharge.

The book provides systematic analysis tools and basic skills for study fluid mechanics in natural and constructed environmental flows. Free Surface Flows under Compensated Gravity Conditions Michael Dreyer The dynamics of capillary-driven flows of perfectly wetting liquids into circular cylindrical tubes were studied under Author: Michael Dreyer.

Free surface flows under compensated gravity conditions. [Michael E Dreyer] -- This book considers the behavior of fluids in a low-gravity environment with special emphasis on application in PMD (propellant management device) systems.

Free-Surface Flow: Shallow-Water Dynamics presents a novel approach to this phenomenon. It bridges the gap between traditional books on open-channel flow and analytical fluid mechanics.

FREE SURFACE FLOWS UNDER COMPENSATED GRAVITY CONDITIONS Search in. [] Includes bibliographical references and index. Free Surface Flows under Compensated Gravity Conditions by Michael E. Dreyer ISBN. Abstract Citations References Graphics Metrics Export Citation NASA/ADS.

Free Surface Flows under Compensated Gravity Conditions Dreyer, Michael E. Abstract. The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement by: Get this from a library. Free surface flows under compensated gravity conditions.

[Michael E Dreyer]. Interface-Tracking Method, I Flows with free surfaces can be computed by using either – Interface-tracking methods and a moving, boundary-fitted grid (with free surface treated as a boundary between two fluids), or – Interface-capturing methods, which compute the flow of both fluids on a fixed grid.

Interface-tracking methods specify pressure at free surface using. a finite difference model for free surface gravity drainage a dissertation submitted to the department of petroleum engineering and the committee on graduate studies of stanford university in partial fulfillment of the requirements for the degree of doctor of philosophy by francisco roberto couri november @Author: F.R.

Couri, H.J. Ramey. The surface of the flow thus formed is called a free surface, because that flow boundary is freely deformable, in contrast to the solid boundaries.

The boundary conditions at the free surface of an open-channel flow are always that both the pressure and the shear stress are zero everywhere. Free Surface Fluid Flow. Fluid flow problems often involve free surfaces in complex geometry and in many cases are highly transient.

Examples in hydraulics are flows over spillways, in rivers, around bridge pilings, flood overflows, flows in sluices, locks, and a host of other structures.For Free Surface Flows ® ® ANSYS CFX software captures the hydraulic jump in a canal flow with contraction, showing the air/water interface shaded with the height of the liquid.

Simulation of a petrol/gas tank filling process using free surface capabilities in ANSYS CFX software. Free surface flow .• Free surface flows are encountered in many different applications: – Flow around a ship.

– Blow molding. – Extrusion. – Mold filling. • There are two basic ways to model free surface flows: – Lagrangian: the mesh follows the interface shape. – Eulerian: the mesh is fixed and a local volume fraction is Size: KB.