recordPump_DN25_H05_12

Pump with head 0.5 to 12,4m and 12,4m^3/h volume flow (25/0.5-12 PN)

Extends from PumpBaseRecord (Definition of pump data).

Information

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

Type	Name	Default	Description
Real	maxMinHeight (from PumpBaseRecord)	[-1, 16, 1; 0, 16, 1; 5, 12, 0.75; 10, 0.5, 0.5]	maximum and minimum boundaries of pump (Q [m3/h], Hmax [m], Hmin [m])
Modelica.Units.NonSI.AngularVelocity_rpm	maxMinSpeedCurves (from PumpBaseRecord)	[-1, nMax, nMin; 0, nMax, nMin; 5, 0.5*nMax, nMin; 10, nMin, nMin]	maximum and minimum boundaries of pump speed (Q [m3/h], nMax [rev/min], nMin [rev/min])
Modelica.Units.NonSI.AngularVelocity_rpm	nMin (from PumpBaseRecord)	0	minimum pump speed
Modelica.Units.NonSI.AngularVelocity_rpm	nMax (from PumpBaseRecord)	0	maximum pump speed
Real	cHQN (from PumpBaseRecord)	[0, 0, 0; 0, 0, 0; 0, 0, 0]	coefficients for H = f(Q,n) = sum_ij(cHQN[i,j] * Q^i * N^j)
Real	cPQN (from PumpBaseRecord)	[0, 0, 0; 0, 0, 0; 0, 0, 0]	coefficients for P = f(Q,H) = sum_ij(cPQN[i,j] * Q^i * N^j) Wilo coefficients: c4, c5, c6, c7, c8; 0, 0, c1, 0, 0; 0, c2, 0, 0, 0; c3, 0, 0, 0, 0
Real	referenceDataQHPN (from PumpBaseRecord)	[0, 0, 0, 0, 0; 0, 0, 0, 0, 0; 0, 0, 0, 0, 0]	Table with measurement and calculated data for reference. 1. Q in m3/h, 2. H in m, 3. P in W, 4. N in rev/min (power limited pump speed), 5. N in rev/min (set point for pump speed)