Diferenças entre edições de "Debye Shielding"

Edição atual desde as 20h36min de 2 de março de 2017

Metadata

CONTEXTO : Segundo ciclo universitário
AREA: Física
DISCIPLINA: Física e Tecnologia dos Plasmas
ANO: 4
LINGUA: en
AUTOR: Vasco Guerra
MATERIA PRINCIPAL: Debye shielding and fundamental efects
DESCRICAO: Number density
DIFICULDADE: *
TEMPO MEDIO DE RESOLUCAO: 300 [s]
TEMPO MAXIMO DE RESOLUCAO: 600 [s]
PALAVRAS CHAVE: plasma density, number density

(F. F. Chen ~ 1.3) On a log-log plot of $n$ [ $m^{-3}$ ] vs kTe (eV) draw lines of constant $\lambda_D$ and $\Lambda$ . On the graph place the following points:

a) Tokamak ( $T_{e}$ $\simeq$ 1 keV, $n_e\simeq10^{13} \, cm^{-3}$ )

b) Solar wind near the Earth ( $T_e \simeq 10 eV, n_e\simeq10 \, cm^{-3}$ )

c) Ionosphere, ~ 300 km above Earth’s surface ( $T_e \simeq0.1eV, \, n_e\simeq 10^6 \, cm^{-3}$ )

d) Laser fusion ( $T_e \simeq 1 \; keV, \, n_e\simeq 10^{20} cm^{-3}$ )

e) Gaseous electronics ( $T_e \simeq 1 \; eV, \, n_e\simeq 10^{10} cm^{-3}$ )

f) Interstellar medium ( $T_e \simeq 1 \; eV, \, n_e\simeq 10^{-1} cm^{-3}$ )

g) Flame ( $T_e \simeq 0.1 \; eV, \, n_e\simeq 10^{8} cm^{-3}$ )

Answer

(a)

(b)

(c)

(d)

(e)

(f)

(g)

Diferenças entre edições de "Debye Shielding"

Edição atual desde as 20h36min de 2 de março de 2017

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Pesquisa

@@ Linha 18: / Linha 18: @@
 (F. F. Chen ~ 1.3) On a log-log plot of  $n$  [ $m^{-3}$ ] vs kTe (eV) draw lines
-of constant \(phi_D)\ and \(Delta\). On the graph place the following points: &phi
+of constant \(\lambda_D\) and \(\Lambda\). On the graph place the following points:
+a) Tokamak ( $T_{e}$   $\simeq$  1 keV,  $n_e\simeq10^{13} \, cm^{-3}$ )
+b) Solar wind near the Earth (  $T_e \simeq 10 eV, n_e\simeq10 \, cm^{-3}$  )
+c) Ionosphere, ~ 300 km above Earth’s surface (  $T_e \simeq0.1eV, \, n_e\simeq 10^6 \, cm^{-3}$ )
+d) Laser fusion ( $T_e \simeq 1 \; keV, \, n_e\simeq 10^{20} cm^{-3}$  )
+e) Gaseous electronics ( $T_e \simeq 1 \; eV, \, n_e\simeq 10^{10} cm^{-3}$  )
+f) Interstellar medium ( $T_e \simeq 1 \; eV, \, n_e\simeq 10^{-1} cm^{-3}$  )
+g) Flame ( $T_e \simeq 0.1 \; eV, \, n_e\simeq 10^{8} cm^{-3}$  )
 <div class="toccolours mw-collapsible mw-collapsed" style="width:210px">
 '''Answer'''
 <div class="mw-collapsible-content">
-(a) \(x \) particles and (b) \(3\) particles
+(a)
+(b)
+(c)
+(d)
+(e)
+(f)
+(g)
 </div>
 </div>