O QUE SIGNIFICA THERMIONIC CURRENT EM INGLÊS
definição de thermionic current no dicionário inglês
A definição de corrente termiónica no dicionário é uma corrente elétrica produzida entre dois eletrodos como resultado de elétrons emitidos por emissão termônica.
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10 LIVROS EM INGLÊS RELACIONADOS COM «THERMIONIC CURRENT»
Descubra o uso de
thermionic current na seguinte seleção bibliográfica. Livros relacionados com
thermionic current e pequenos extratos deles para contextualizar o seu uso na literatura.
The thermionic current grows with electric field until the negative space charge
near the cathode is eliminated and saturation is achieved. This saturation,
however, is rather relative. A further increase of electric field leads gradually to an
...
2
Competition Science Vision
J = I/S = AT2e-0//(T where I = Thermionic current T = Absolute temperature of
emitting surface S = Surface area of filament <(> = Work function of metal A =
Thermionic constant which depends only on the type of emiter. Its dimensions are
...
3
The Handbook of Fluid Dynamics
Where these values of ; exceed the theoretical value of the thermionic current
density, jR, given by the Richardson equation, jR - APexpi-ye/kgT), Zhu and
colleagues [1992] have assumed that this extra current is carried by positive ions;
A is ...
4
Competition Science Vision
According to this relation I -± Current density (J) = o = AT2 e kj where I is
thermionic current, S is surface area, 0 is work function, T is absolute temperature
of emitting surface and A is thermionic constant which depends only on the
nature of ...
5
Competition Science Vision
5. Richardson-Dushman equation for thermionic emission. This equation gives
relation between current density (J); and the absolute temperature of the emitting
surface. J = I/S = AT^-f^7 where I = Thermionic current T = Absolute temperature ...
6
Thermionic Energy Conversion and Particle Detection Using ...
Back emission occurs when an appreciable thermionic current evolves from the
collector; in the cases considered in this report the collector temperature is
sufficiently low compared to the emitter temperature and therefore back emission
can ...
7
Competition Science Vision
(i) Surface area of emitter (ii) Temperature of emitter (iii) Work function of emitter.
If an emitter is heated at different temperatures and corresponding value of
thermionic current is measured then graph between the two will be as shown in
fig.
This is thermionic emission. Richardson-Dushman Equation In thermionic
emission the no. of electrons emitted from an emitter per second (hence
Thermionic current) vary with the temperature of emitter. The relation is given by
a well known ...
9
Advanced Semiconductor-on-Insulator Technology and Related ...
B) Above Vth2, when the tunnel barriers pass below EFS, the filtering action of
the Fermi-Dirac statistics vanishes and non-confined transmission states above
the well start to drive a significant amount of thermionic current (5). As observed
in ...
Y. Omura, F. Gámiz, H. Ishii,
2011
10
Nano-Semiconductors: Devices and Technology
A transistor already dominated by the thermionic current below threshold, that is,
with LC being too large, will have characteristics very similar to a MOSFET but
with a shifted threshold voltage, that is, Vth = Vth2 (e.g., transistor with LC = 8 nm
...
2 NOTÍCIAS NAS QUAIS SE INCLUI O TERMO «THERMIONIC CURRENT»
Conheça de que se fala nos meios de comunicação nacionais e internacionais e como se utiliza o termo
thermionic current no contexto das seguintes notícias.
Graphene-based transistor seen as candidate for post-CMOS …
In the current study, the researchers used two-dimensional tungsten disulphide ... At this point, thermionic current becomes the dominant transport mechanism. «Phys.Org, jan 13»
Quenco (Quantum Energy Convertor) Official Launch
Quenco is not just a theory, it is soundly based on a thermionic device that in ... (that replaces the vacuum gap) and where the thermionic current becomes a ... «ZPEnergy, out 12»