نتایج جستجو برای: pressure distribution equation
تعداد نتایج: 1200669 فیلتر نتایج به سال:
This paper describes the effects of induced magnetic field and partial slip on the peristaltic flow of a couple stress fluids in an asymmetric channel. The two dimensional equation of couple stress fluid are simplified by making the assumptions of long wave length and low Reynolds number. The exact solutions of reduced momentum equation and magnetic force function have been computed in wave...
in this paper, the temperature distribution around a moving heat source had been investigated including the phase change and non phase change . in non-phase change state, the governing equation was converted to finite difference equation by finite volume method and the equation was solved by alternating direction implicit method. this method was unconditionally stable . in phase change state, t...
An infinite elastic medium with a planar crack is considered. The crack is subjected to the pressure of fluid injected at a point on the crack surface. Description of the crack growth is based on the lubrication equation (balance of the injected fluid and the crack volume), the equation for crack opening caused by fluid pressure on the crack surface, the Poiseuille equation related local fluid ...
The present paper is the first in a series of works devoted to the solvability of the Possio singular integral equation. This equation relates the pressure distribution over a typical section of a slender wing in subsonic compressible air flow to the normal velocity of the points of a wing downwash . In spite of the importance of the Possio equation, the question of the existence of its solutio...
Differential algebraic equations (DAEs) of the form Eẋ = Ax + f are considered. The solutions x and the inhomogeneities f are assumed to be distributions (generalized functions). As a new approach, distributional entries in the coefficient matrices E and A are allowed, in particular, this encompasses the case where the coefficient matrices are time-varying but not continuous. Since a multiplica...
in this paper, the dynamic simulation for a high pressure regulator is performed to obtain the regulator behavior. to analyze the regulator performance, the equation of motion for inner parts, the continuity equation for diverse chambers and the equation for mass flow rate were derived. because of nonlinearity and coupling, these equations are solved using numerical methods and the results are ...
abstract weirs are the most common structures for discharge measurement in engineering research. streamline curvature, non hydrostatic pressure distribution on weir and nappe adherence to the weir lead to differences between calculated and measured discharges. thus discharge coefficient, which is the ratio of real and theoretic discharges, is usually less than unity. in circular weirs the press...
in this paper, we present a novel approach for image selective smoothing by the evolution of two paired nonlinear partial differential equations. the distribution coefficient in de-noising equation controls the speed of distribution, and is determined by the edge-strength function. in the previous works, the edge-strength function depends on isotropic smoothing of the image...
The effect of reaming velocity on the pressure distribution within the bone is investigated numerically by solving the full three-dimensional Navier-Stokes equations together with the continuity equation using the finite element technique. Viscosity is also varied to obtain a pressure envelop. It was found that all the experimental data follow the same trends as the envelopes predicted by the f...
conclusions results indicated that annular fluidized bed reactor’s adsorbers are useful techniques for vocs adsorption. comparison of two particle ranges indicates that in all concentrations and all flow rates of the experiments, smaller particle size adsorption are better. in superficial velocity above the minimum fluidization velocity, pressure drop of fluidized beds are less than the pressur...
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