7.5.4.37 Pset_DuctFittingPHistory

PSET_PERFORMANCEDRIVEN / IfcDuctFitting

Duct Fitting PHistory: Duct fitting performance history common attributes.
: ダクト継手の性能履歴共通属性。

buildingSMART Data Dictionary

PSD-XML

NameTypeDescription
LossCoefficient P_REFERENCEVALUE / IfcTimeSeries / IfcReal
Loss CoefficientDimensionless loss coefficient used for calculating fluid resistance representing the ratio of total pressure loss to velocity pressure at a referenced cross-section.
損失係数参照された断面での動圧に対する全圧損失の比を表わす流体抵抗の計算に使用される無次元の損失係数
AtmosphericPressure P_REFERENCEVALUE / IfcTimeSeries / IfcPressureMeasure
Atmospheric PressureAmbient atmospheric pressure.
大気圧周囲の大気圧
AirFlowLeakage P_REFERENCEVALUE / IfcTimeSeries / IfcVolumetricFlowRateMeasure
Air Flow LeakageVolumetric leakage flow rate.
漏れ量体積漏れ流量

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