ULTRASONIC FLOW MEASUREMENT WITH INTEGRATED TEMPERATURE MEASUREMENT COMPENSATION

Benjamin E. McDonald, Lei Sui

Abstract

Compensation for ultrasonic flow measurement has increasingly become the trend for applications that call for higher accuracy and tighter repeatability. Temperature is a variable that tends to have a significant impact on performance. Geometric dimension changes due to thermal expansion and contraction, as well as fluid dynamics, are impacted by temperature and thus have an influence on overall system accuracy. This paper presents a new method for measuring temperature by taking advantage of well characterized material properties that change with temperature and utilizing existing system capability. Integrated temperature measurement can be included as part of the diagnostic support package and used for compensation by using existing capability.

Keywords

ultrasonic flow measurement, temperature, compensation

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IMEKO-TC9-2013-101.pdf

DOI

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IMEKO TC

TC9 - Flow Measurement

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