Ultrasonic Flowmeter Optimization Study for Two-Phase Prepolymer

Lynnworth, L.C.; Pedersen, Norman; Bradshaw, James E

doi:10.1109/ultsym.1976.196648

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1984

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“…Measurement of the flow velocity of a two-phase polyethylene terephthalate (PT) type prepolymer, laminar flow, up to 300°C and up to 10% void fraction (intermittent bubbles) had been reported by Lynnworth et al (1976) to less than 3% accuracy, with response time ~ 10 seconds. Two phase density measurement by ultrasonic technique was compared with well known gamma densitometer by Arave (1979) in the LOFT facility of INEL with good agreement.…”

Section: Introductionmentioning

confidence: 99%