Eulerian and Lagrangian measurements of orbital velocities in waves approaching a beach are analyzed with the goal understanding relative influence wave-by-wave variations mean-water level, wave height incipient breaking on mass transport properties surf zone. It is shown quantitatively that elevated local level correlates positively increased at free surface. ADV fluid column suggest depth-int...

The problem analyzed is that of two-dimensional wave motion in a heterogeneous, inviscid fluid confined between two rigid horizontal planes and subject to gravity g. It is assumed that a fluid of constant density p+ lies above a fluid of constant density p_ > p+ > 0 and that the system is nondiffusive. Progressing solitary waves, viewed in a moving coordinate system, can be described by a pair ...

In this study, the effect of small-scale of both nanostructure and nano-fluid flowing through it on the natural frequency and longitudinal wave propagation are investigated. Here, the stationary and axially moving single-walled carbon nanotube conveying fluid are studied. The boundary conditions for the stationary nanotube is considering clamped-clamped and pined-pined and for the axially movin...

dynamic behavior of ground supported cylindrical storage tanks (cst) is of crucial importance because of its applications in industrial complexes. seismic behavior of tanks is greatly affected by the height to diameter ratio, fluid height and fluid type. five csts with different height to diameter ratios, three csts with the same height and diameters but various fluid heights and one cst with t...

Particle motion in an unsteady peristaltic fluid flow is analyzed. The fluid is incompressible and Newtonian in a two-dimensional planar geometry. A perturbation method based on a small ratio of wave height to wavelength is used to obtain a closed-form solution for the fluid velocity field. This analytical solution is used in conjunction with an equation of motion for a small rigid sphere in no...

Dynamic behavior of ground supported cylindrical storage tanks (CST) is of crucial importance because of its applications in industrial complexes. Seismic behavior of tanks is greatly affected by the height to diameter ratio, fluid height and fluid type. Five CSTs with different height to diameter ratios, three CSTs with the same height and diameters but various fluid heights and one CST with t...

Our numerical simulations of tidal flow of a stratified fluid over periodic knife-edge ridges and random topography reveal that the time-averaged tidal energy converted into internal gravity wave radiation arises only from the section of a ridge above a virtual seafloor. The average radiated power is approximated by the power predicted by linear theory if the height of the ridge is measured rel...

The potential for improved performance of wave rotor cycles through the use of passage height variation is examined. A Quasi-one-dimensional CFD code with experimentally validated loss models is used to determine the flowfield in the wave rotor passages. Results indicate that a carefully chosen passage height profile can produce substantial performance gains. Numerical performance data are pres...

Here is the horizontal velocity vector, is the vertical component of the vorticity, is the Coriolis parameter, is the depth of the fluid, is the height of the “bottom topography,” is the acceleration of gravity, and is the kinetic energy per unit mass. In (7.1), all frictional effects have been neglected, for simplicity. A very useful idealized subset of the shallow-water system describes the s...