engleski

Development of Method for Determination of Pressure Balance Piston fall Rate

This paper describes a laboratory method for the determination of the pressure balance piston fall rate using a simple camera-based optical system with internally developed software. Measurements were carried out on three standard piston/cylinder units in the Croatian National Pressure Laboratory (LPM) using gas and oil as transmitting medium. Measurement equipment, procedure and fall rate results for three sets of measurements are given, as well as an evaluation of the measurement uncertainty. Results were compared with other relevant measurements.

Pressure balance; Fall rate measurement; Sobel filter

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