نتایج جستجو برای: hydrodynamic force
تعداد نتایج: 211158 فیلتر نتایج به سال:
This paper describes various time-domain methods useful for analyzing the experimental data obtained from a circular cylinder force in terms of both wave and current for estimation of the drag and inertia coefficients applicable to the Morison’s equation. An additional approach, weighted least squares method is also introduced. A set of data obtained from experiments on heavily roughened circul...
Among compliant offshore platforms, tension leg platforms (TLP) are referred to, as hybrid structures. This kind of platforms resemble to ordinary semi submersibles when their serge, sway and yaw motions are considered, since they are compliant whereas with respect to pith, roll and heave motions they respond more like a fixed platform rather than a floating body. This paper presents a method t...
We report on the experimental observation of the instability of a plasma shell, which formed during the expansion of a laser-ablated plasma into a rarefied ambient medium. By means of a proton radiography technique, the evolution of the instability is temporally and spatially resolved on a timescale much shorter than the hydrodynamic one. The density of the thin shell exceeds that of the surrou...
The hydrodynamic force experienced by a spherical-cap drop moving on a solid surface is obtained from two approximate analytical solutions and used to predict the quasi-steady speed of the drop in a wettability gradient. One solution is based on approximation of the shape of the drop as a collection of wedges, and the other is based on lubrication theory. Also, asymptotic results from both appr...
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