Dose 2016

5.2 Establishing a "transport formula"

(1) The net number of particles j flowing out of the volume ∆ V :

j,E, Ω = ΩΦ Ω ∫ ur ur d d d A E

d

N

j,in-out

dA

S

d

therefore the surface integral can be written as a volume integral:

∆ V ∆ S

j,E, Ω = Ω∇Φ Ω ∫ ur dVd d

d

N

E

j,in-out

d

v

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