نتایج جستجو برای: drift flux model

تعداد نتایج: 2192892  

2015
Eric C. Howell

Extended MHD effects on pressure driven interchange modes are studied in decaying spheromak equilibria. Equilibria at conditions relevant to high temperature SSPX[Hooper et al., Nucl. Fus. 1999] discharges are ideal interchange unstable. Extended MHD introduces drifts which have a stabilizing effect, reducing the linear growth rate, on the high-n modes. However, extended MHD has a mixed effect ...

Journal: :The Astrophysical Journal 2022

Abstract Localized magnetic reconnection at the dayside magnetopause leads to production of Flux Transfer Events (FTEs). The fields within FTEs exhibit complex helical flux-rope topologies. Leveraging adaptive mesh refinement strategy, we perform a three-dimensional magnetohydrodynamic simulation magnetosphere an Earth-like planet and study evolution these FTEs. For first time, detect track FTE...

Journal: :journal of agricultural science and technology 2015
s. wang g. j. dorr m. khashehchi x. he

the aim of the present study was to investigate the influence of nozzle configurations on spray drift and explain the influences using several atomization characteristics (length of spray sheet, spray angle, velocity distribution of flow field, fluctuation of velocity, and droplet size). nozzles manufactured by one company (lechler gmbh, germany) were tested by spraying local tap water in a win...

Journal: :Physics of Plasmas 2023

The magnetic drift and the electric potential play an important role in microtearing destabilization by increasing growth rate of this instability presence collisions, while electrostatic plasma micro-turbulence, zonal potentials can have a strong impact on turbulent saturation. A reduced model has been developed, showing that Rechester–Rosenbluth is good for prediction electron heat diffusivit...

Fouzieh Rouzmehr, Reza Saleh Jalali

In this paper a simple model of a three story building with inclined first-story columns has presented. The stories are supposed to be rigid and are connected to axially rigid mass less columns by elasto-plastic rotational springs and linear rotational dampers. The considered model is subjected to horizontal component of fault normal pulse with different magnitudes and the governed nonlinear di...

Journal: :TEION KOGAKU (Journal of the Cryogenic Society of Japan) 2008

2002
Stuart M. Jacobsen

This paper discusses a method to evaluate post-trim drifts of laser trimmed film resistor. Based on mathematical flux field computations a drift index is deduced. This index as a part of mathematical laser trim simulations gives an imagination of expected post-trim drifts already on design stage and thereby a method to improve precision and reliability of hybrid IC’s by trim strategy design.

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