S0      1                         Blade aspect ratio
C       1                         Velocity factor
alpha   35[deg]                   Blade pitch angle
B       5[cm]                     Blade length
S       B*S0                      Blade spacing
vb      Vmp_H2*C                  Most probable molecule velocity
T0      300[K]                    Temperature
Mp_H2   0.002[kg/mol]             Hydrogen molar mass
mp_H2   Mp_H2/N_A_const           Hydrogen molecular mass
Vmp_H2  sqrt(2*R_const*T0/Mp_H2)  Most probable speed
Np      3000                      Number of particles released