نتایج جستجو برای: cylindrical particle
تعداد نتایج: 198688 فیلتر نتایج به سال:
Non-Symmetrical Collapse of an Empty Cylindrical Cavity Studied with Smoothed Particle Hydrodynamics
The object of the present work was to design, construct and evaluate a cylindrical tri-axial charger for charging of submicron aerosol particles by unipolar ions. The corona discharge characteristics, the intrinsic and extrinsic particle charging efficiencies, and the losses of aerosol particles were experimentally evaluated for particle diameters in the range between 50 nm and 500 nm under dif...
In many fields, such as space astrophysics, plasma and vacuum electronics, there are nonlinear strong coupling physical problems. order to solve the problem of electron beam–wave interaction in cylindrical Traveling wave tube (TWT) with symmetrical structure, a multi particle simulation algorithm for beam circuit is designed. The allows aperiodic time input, nonuniform linearity large diagnosis...
functionally graded aluminium/zirconia metal matrix composite was fabricated using stir casting technique followed by horizontal centrifugal casting process and a hollow cylindrical functionally graded composite (150 x 150 x 16 mm) was obtained with centrifuging speed of 1200 rpm. the microstructural evaluation and hardness test was carried out on the outer and inner surface of the functionally...
Electron self-injection and acceleration until dephasing in the blowout regime is studied for a set of initial conditions typical of recent experiments with 100-terawatt-class lasers. Two different approaches to computationally efficient, fully explicit, 3D particle-in-cell modelling are examined. First, the Cartesian code vorpal (Nieter, C. and Cary, J. R. 2004 VORPAL: a versatile plasma simul...
Introduction Recently it was shown that top-down microfabrication could be used to engineer precisely shaped magnetic microparticles that function as MRI contrast agents with tunable NMR spectral signatures [1]. The agents operated similarly to CEST / PARACEST agents [2,3], except with continuously tunable frequency shifts determined by control of the particle geometry, and with a magnetization...
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