public interface IHeadLossParameterSet| EffectiveFlowAreaEstimationType | Method to use for area calculation, used by head loss calculations. |
| HeadLossCalculationMethod | Head loss calculation method |
| ID | Identification string for a head loss parameter set |
| LossCoefficient | Value of the loss coefficient. The value is interpreted as defined by LossCoefficientType |
| LossCoefficientType | Interpretation type for the specified head loss coefficient. |