Leo knew this because he’d been staring at it for three hours. The needle, which should have rested at a calm 150 psi, vibrated in a frantic 2-psi flutter, like a hummingbird having a panic attack. The plant manager, Diane, wanted the flow rate of superheated steam through the new turbine. But Leo, a test engineer with twenty years of scarred knuckles and a dog-eared copy of the ASME Performance Test Code manual, knew better.
October 26, 2023 Subject: Overview of Methodologies and Uncertainties in Pressure Measurement per ASME PTC 19.2 asme ptc 192
You're referring to the ASME PTC 19.2 standard! Leo knew this because he’d been staring at
: Standardizes terminology, units, and specialized topics like dynamic measurements and two-phase fluid systems. But Leo, a test engineer with twenty years
The combined standard uncertainty is computed as the root-sum-square (RSS) of individual component uncertainties.