WOLFRAM SYSTEM MODELER
    massFlowRate_dpReturn mass flow rate from constant loss factor data and pressure drop (m_flow = f(dp))  | 
     | 

SystemModel["Modelica.Fluid.Fittings.BaseClasses.QuadraticTurbulent.massFlowRate_dp"]

This information is part of the Modelica Standard Library maintained by the Modelica Association.
Compute mass flow rate from constant loss factor and pressure drop (m_flow = f(dp)). For small pressure drops (dp < dp_small), the characteristic is approximated by a polynomial in order to have a finite derivative at zero mass flow rate.
| dp | 
         Type: Pressure (Pa) Description: Pressure drop (dp = port_a.p - port_b.p)  | 
    
|---|---|
| rho_a | 
         Type: Density (kg/m³) Description: Density at port_a  | 
    
| rho_b | 
         Type: Density (kg/m³) Description: Density at port_b  | 
    
| data | 
         Type: LossFactorData Description: Constant loss factors for both flow directions  | 
    
| dp_small | 
         Default Value: 1 Type: AbsolutePressure (Pa) Description: Turbulent flow if |dp| >= dp_small  | 
    
| m_flow | 
         Type: MassFlowRate (kg/s) Description: Mass flow rate from port_a to port_b  | 
    
|---|