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    "frictionVelocity": 0.20888,
    "scope": "One original Princeton Superpipe data-file operating point, not validation across Reynolds numbers, roughness or annular geometries. Uniform inlet entrance pressure loss is excluded."
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    "pipeMeasuredRelativeError": 0.1,
    "downstreamStationarity": 0.01,
    "lastRefinementRelativeChange": 0.05,
    "axialHoldoutRelativeChange": 0.01
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