Impure curves at high pump speed because of inaccurate data of upper and lower limit of pump speed.
cHQN:
0.00000e+00, 0.00000e+00, 6.52362e-07;
0.00000e+00, 6.12540e-05, 0.00000e+00;
-4.34488e-02, 0.00000e+00, 0.00000e+00
cPQN:
1.17764e+00, 2.85662e-03, -2.38557e-06, 3.01986e-09, -2.01864e-13;
0.00000e+00, 0.00000e+00, 1.75607e-06, 0.00000e+00, 0.00000e+00;
0.00000e+00, 2.57857e-04, 0.00000e+00, 0.00000e+00, 0.00000e+00;
-8.92872e-02, 0.00000e+00, 0.00000e+00, 0.00000e+00, 0.00000e+00