Results 261 to 270 of about 55,429 (317)

Steady and unsteady transonic flow

16th Aerospace Sciences Meeting, 1978
An investigation of the transonic flow over a circular arc airfoil was conducted to obtain basic information for turbulence modeling of shock-induced separated flows and to verify numerical computer codes which are being developed to simulate such flows. The investigation included the employment of a laser velocimeter to obtain data concerning the mean
H. L. Seegmiller, J. G. Marvin, L. L. Levy   +2 more
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Haptical exploration of an unsteady flow

World Haptics 2009 - Third Joint EuroHaptics conference and Symposium on Haptic Interfaces for Virtual Environment and Teleoperator Systems, 2009
This paper investigates a human-centered approach for the exploration of large data sets resulting from CFD (Computational Fluid Dynamics) simulations. In a VR (Virtual Reality) immersive environment we propose to couple haptic feedbacks with visual rendering.
Bob Ménélas, Mehdi Ammi, Luc Pastur, Patrick Bourdot   +3 more
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Static Visualization of Unsteady Flows by Flow Steadification

2020
99
Steve Wolligandt, Thomas Wilde, Christian Rössl, Holger Theisel   +3 more
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Unsteady Flow

2009
Abstract This chapter focuses on one-dimensional flows and is concerned with changes in the downstream direction only. In general, the average downstream velocity, U, is a function of space (downstream location, X) and time, t, that is,
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Unsteady Couette granular flows

Physics of Fluids, 1997
Unsteady Couette granular flows are investigated both theoretically and by the means of the discrete element method (DEM). Theoretical formulation of the problem is based on the kinetic theory for smooth, nearly elastic particles. The resulting boundary value problem is solved numerically for two particular types of flows: (a) transient Couette flows ...
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Unsteady Flow in Diffusers

Journal of Fluids Engineering, 1994
The flow in a diffuser is unsteady in the range of optimum pressure recovery; diffusers can therefore be a major source of noise in pipework systems. A theory is developed to predict the frequency of this noise and good agreement with experimental results, for both conical and rectangular diffusers, is demonstrated. The acoustics of the duct to which a
A. H. M. Kwong, A. P. Dowling
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Unsteady flow in a branch

Journal of Fluid Mechanics, 1976
This study was motivated by the focal tendency of atherosclerotic plaque to appear near arterial junctions. A two-dimensional bifurcation was selected to provide preliminary information on branch flow dynamics. Superseding previous steady flow estimates in similar branches, digital solutions for two flux waves have been obtained to reveal temporal and ...
O'Brien, V., Ehrlich, L. W., Friedman, M. H.   +2 more
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UNSTEADY COMPRESSIBLE FLOW IN DUCTS

The Quarterly Journal of Mechanics and Applied Mathematics, 1954
SUMMARY A rarefaction wave is produced in a two-dimensional channel by the impulsive retraction of a piston. In a finite section of the channel there is a slight variation in cross-section, and the effect of this variation on the rarefaction wave is considered.
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On Unsteady Nonlinearized Conical Flow

Journal of the Aeronautical Sciences, 1952
It is shown that the equations of unsteady, nonlinear, nonviscous, nonheat-conducting flow may be put in a conical form. The problem of a shock striking an infinite wedge is considered. An invariance relation is established, and certain properties of the reflected shock are examined.
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Hydromagnetic unsteady flow due to an unsteady plate

Astrophysics and Space Science, 1978
The unsteady flow near an infinite flat plate, which is oscillating harmonically in its own plane, is studied in the presence of a magnetic field subjected to suction or injection. The magnetic field is perpendicular to the plate and the flow of viscous incompressible and electrically conducting fluid is regarded as being initially at rest.
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