نتایج جستجو برای: conveying viscous fluid

تعداد نتایج: 239389  

Journal: :Computer methods and programs in biomedicine 2014
Herng-Hua Chang Chih-Yuan Tsai

This paper develops a new viscous fluid registration algorithm that makes use of a closed incompressible viscous fluid model associated with mutual information. In our approach, we treat the image pixels as the fluid elements of a viscous fluid governed by the nonlinear Navier-Stokes partial differential equation (PDE) that varies in both temporal and spatial domains. We replace the pressure te...

2005
D. Q. Lu Allen T. Chwang

The three-dimensional interfacial waves due to a fundamental singularity steadily moving in a system of two semi-infinite immiscible fluids of different densities are investigated analytically. The two fluids are assumed to be incompressible and homogenous. There are three systems to be considered: one with two inviscid fluids, one with an upper viscous and a lower inviscid fluid, and one with ...

Journal: :SIAM J. Scientific Computing 2004
Sookkyung Lim Charles S. Peskin

When an elastic filament spins in a viscous incompressible fluid it may undergo a whirling instability, as studied asymptotically by Wolgemuth, Powers, and Goldstein [Phys. Rev. Lett., 84 (2000), pp. 16–23]. We use the immersed boundary (IB) method to study the interaction between the elastic filament and the surrounding viscous fluid as governed by the incompressible Navier–Stokes equations. T...

2007
ANIRUDH PRADHAN R. S. SINGH

Bianchi type V bulk viscous fluid cosmological models are investigated. Using a generation technique (Camci et al., 2001), it is shown that the Einstein’s field equations are solvable for any arbitrary cosmic scale function. The viscosity coefficient of bulk viscous fluid is assumed to be a power function of mass density. Solutions for particular forms of cosmic scale functions are also obtaine...

2006
Anirudh Pradhan Vandana Rai R. S. Singh

Bianchi type V bulk viscous fluid cosmological models are investigated. Using a generation technique (Camci et al., 2001), it is shown that the Einstein’s field equations are solvable for any arbitrary cosmic scale function. The viscosity coefficient of bulk viscous fluid is assumed to be a power function of mass density. Solutions for particular forms of cosmic scale functions are also obtaine...

Journal: :IOP conference series 2023

Abstract The purpose of the paper is to present an original solution for conveying some liquids with help a rotating volumetric pump. pump can be equipped 1 4 specially processed profiled rotors and transport viscous fluids, pure or polyphase fluids. It was concluded that performance this machine, which also used as fan low-pressure compressor, superior other similar machines.

2012
Andrea Ferrari Ivan Lunati

We perform direct numerical simulations of drainage by solving NavierStokes equations in the pore space and employing the Volume Of Fluid (VOF) method to track the evolution of the fluid-fluid interface. After demonstrating that the method is able to deal with large viscosity contrasts and to model the transition from stable flow to viscous fingering, we focus on the definition of macroscopic c...

Journal: :Transactions of the Korean Society for Noise and Vibration Engineering 2011

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