نتایج جستجو برای: space charge

تعداد نتایج: 625441  

Multidielectric polyethylene is a material that is generally employed as insulation for  the HVDC isolations. In this paper, the influence of temperature on space charge dynamics has been studied, low-density polyethylene (LDPE) and Fluorinated Ethylene Propylene (FEP) sandwiched between two electrodes were subjected to voltage application of 5kV (14.3 kV/mm) for extended duration of time ...

Journal: :Il Nuovo Cimento 1956

Journal: :Physical Review Letters 2005

Journal: :Physical Review Special Topics - Accelerators and Beams 2000

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید بهشتی - دانشکده علوم 1386

چکیده ندارد.

Journal: :iranian journal of science and technology (sciences) 2013
r, mokhtari

on the basis of a reproducing kernel space, an iterative algorithm for solving the one-dimensional linear and nonlinear schrödinger equations is presented. the analytical solution is shown in a series form in the reproducing kernel space and the approximate solution is constructed by truncating the series. the convergence of the approximate solution to the analytical solution is also proved. th...

Journal: :IEEJ Transactions on Fundamentals and Materials 1997

Journal: :Australian Journal of Physics 1956

2011
Sandro Palestini Kirk T. McDonald Joseph Henry

The effect on the operation of a vacuum diode of a spatially varying distribution of free electrons, commonly called space charge, was first considered by Child [1] and Langmuir [2]. In that example electrons are released from a hot cathode at low velocity, and then drift freely under the influence of the local electric field as modified by the drifting electrons. In this problem, deduce the st...

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