Progressive Waves in Real Fluids over a Permeable Bottom
نویسندگان
چکیده
In this paper, the slipping friction is considered in the problem of a progressive wave of real fluids propagating over a permeable bottom.In the interface of soil and fluid, the “no-slip” condition is relaxed and a sliding friction coefficient is introduced. Thus, the slipping effect and the permeability of the bottom on the velocity near the seabed can be studied. The results indicate that the joint effect of slipping friction and permeability is crucial. The phenomena of overshooting also can be explained by this joint effect Keyword : Overshooting, No-slipping condition, Slipping factor, permeable bottom, Navier-Stokes Equation, the bottom thickness effect.
منابع مشابه
Dufour and Soret Effects on Unsteady Heat and Mass Transfer for Powell-Eyring Fluid Flow over an Expanding Permeable Sheet
In the present analysis, the Dufour and Soret effects on unsteady heat-mass transfer of a viscous incompressible Powell-Eyring fluids flow past an expanding/shrinking permeable sheet are reported. The fluid boundary layer develops over the variable sheet with suction/injection to the non-uniform free stream velocity. Under the symmetry group of transformations, the governing equations along wit...
متن کاملProgressive Internal Gravity Waves With Bounded Upper Surface Climbing a Triangular Obstacle
In this paper we discuss a theoretical model for the interfacial profiles of progressive non-linear waves which result from introducing a triangular obstacle, of finite height, attached to the bottom below the flow of a stratified, ideal, two layer fluid, bounded from above by a rigid boundary. The derived equations are solved by using a nonlinear perturbation method. The dependence of the inte...
متن کاملTurbulence, waves, and jets in a differentially heated rotating annulus experiment
Related Articles A characteristic function to estimate the longitudinal dispersion coefficient in surface water flows over porous media Phys. Fluids 24, 046602 (2012) Frequency and damping of non-axisymmetric surface oscillations of a viscous axisymmetric liquid bridge Phys. Fluids 24, 042103 (2012) Nonlinear resonance in barotropic-baroclinic transfer generated by bottom sills Phys. Fluids 24,...
متن کاملApplication of multilayer perceptron neural network and support vector machine for modeling the hydrodynamic behavior of permeable breakwaters with porous core
In this research, the application of multilayer perceptron (MLP) neural networks and support vector machine (SVM) for modeling the hydrodynamic behavior of Permeable Breakwaters with Porous Core has been investigated. For this purpose, experimental data have been used on the physical model to relate the reflection and transition coefficients of incident waves as the output parameters to the wid...
متن کاملNonlinear dynamics over rough topography: barotropic and stratified quasi-geostrophic theory
The weakly nonlinear dynamics of quasi-geostrophic flows over a one-dimensional, periodic or random, small-scale topography is investigated using an asymptotic approach. Averaged (or homogenised) evolution equations which account for the flow-topography interaction are derived for both barotropic and continuously stratified geostrophic fluids. The scaling assumptions are detailed in each case; ...
متن کامل