#### 7.3.4.18 Pset_PipeSegmentPHistory

PSET_PERFORMANCEDRIVEN / IfcPipeSegment

| Pipe segment performance history common attributes.

buildingSMART Data Dictionary

PSD-XML

- LeakageCurve
  P_REFERENCEVALUE / IfcTimeSeries

  | LeakageCurve: Leakage per unit length curve versus working pressure.
  | 漏洩曲線: 配管圧力に対する単位あたり流出量曲線

- FluidFlowLeakage
  P_REFERENCEVALUE / IfcTimeSeries / IfcVolumetricFlowRateMeasure

  | FluidFlowLeakage: Volumetric leakage flow rate.
  | 流体漏洩量: 漏洩量

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