0.5 Derive the mathematical expression for the guiding center drift in a geometry having curvature in the magnetic field lines and also gradients in magnetic flux density (12) TR+VB 2 2 mvth Vth mven ² (Br-2) 0 = 7 Ver ² (B-1)0 F 2 q B₂rBz 2 wc \rBz R

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Derive the mathematical expression for the guiding center drift in a geometry having
curvature in the magnetic field lines and also gradients in magnetic flux density
(12)
2.
mvth
2
Vth
Br
R.
Br
%3D
VR+VB
%3D
2 q B, \rB,
2 we \rBz
Transcribed Image Text:Derive the mathematical expression for the guiding center drift in a geometry having curvature in the magnetic field lines and also gradients in magnetic flux density (12) 2. mvth 2 Vth Br R. Br %3D VR+VB %3D 2 q B, \rB, 2 we \rBz
5.12 Calculate the thickness of a bipolar plate (o. = 10,000
S/cm) that will match the voltage drop caused by proton flux
through a Nafion electrolyte at 80°C, 100% RH.
Transcribed Image Text:5.12 Calculate the thickness of a bipolar plate (o. = 10,000 S/cm) that will match the voltage drop caused by proton flux through a Nafion electrolyte at 80°C, 100% RH.
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