دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: flowmeter used (1) to measure transit times of an acoustic pressure wave with and against the flow (time- of-flight-type meter) to infer pipeline velocity or (2) to reflect sonic energy from scatterers in fluid back to a receiver (Doppler-type meter) to measure volumetric flow rate.