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Flow circular hole

Field for customer notes
Input data
p1 (bar) p1 > 0
p2 (bar) p2 ≤ p1
Hole diameter: d (mm) d > 0
C (l/(s*bar))
Flow Q (Nl/min)
p1 (bar)
Input pressure (relative atmosphere)
p2 (bar)
Output pressure (relative atmosphere)
p1abs (bar)
Input absolute pressure
p2abs (bar)
Output absolute pressure
C The C-value (l/(s*bar)).
Flow sonic conductance
Ratio of volume flow Q and input pressure p1abs for choked flow C=Q/p1abs