Dear all;
how we can write a formula to calculate the effective pumping speed, avergae pressure on facet?
if you have a list of formulas that will be great.
Regards
Mohammad
Hello Mohammad,
The list of formulas is in the Add formula dialog… …there are no “secret” formulas, all are in that list.
The pressure or effective pumping speeds don’t have direct formulas - I planned adding them to future versions.
Effective pumping speed would be 1/4 * A * v * s
where
A - area in m2
v - avg molecule speed in m/s, v=sqrt(8RT/PI*m)
s - sticking factor