Dimension estimate, but inaccuracies occur due to lack of information in the data sheets.
Espacially because of missing information of upper and lower limit of pump speed.
cHQN:
0.00000e+00, 0.00000e+00, 5.07080e-07;
0.00000e+00, 6.15992e-05, 0.00000e+00;
-6.58190e-02, 0.00000e+00, 0.00000e+00
cPQN:
4.06360e-05, 2.77185e-02, -2.02099e-05, 8.49238e-09, -8.67775e-13;
0.00000e+00, 0.00000e+00, 1.21688e-06, 0.00000e+00, 0.00000e+00;
0.00000e+00, 6.87022e-06, 0.00000e+00, 0.00000e+00, 0.00000e+00;
-3.71130e-02, 0.00000e+00, 0.00000e+00, 0.00000e+00, 0.00000e+00