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, 5.29109e-07;
0.00000e+00, 1.41007e-04, -2.69160e-08;
-6.78540e-02, 0.00000e+00, 0.00000e+00
cPQN:
1.27173e+00, 2.83414e-02, -3.32976e-05, 1.37583e-08, -1.49621e-12;
3.36126e+01, -2.82618e-02, 6.76678e-06, 0.00000e+00, 0.00000e+00;
-7.91039e+00, 8.00678e-03, -1.65276e-06, 0.00000e+00, 0.00000e+00;
-4.10723e-01, 0.00000e+00, 2.94088e-08, 0.00000e+00, 0.00000e+00