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Proceedings Paper

Computer-controlled scanner for continuous flow measurement using single sensor in harsh environment
Author(s): Bahman Tavassoli; Kambiz Shahnazi
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Paper Abstract

A new technology that uses a single sensor for temperature and velocity measurements in nonisothermal fluids is presented in this paper. The system is a multi-channel scanner designed for measuring velocity and temperature in applications where single- or multi-point measurements are required. This unit uses 12-bit data acquisition system along with digital circuitry for measuring both velocity and temperature with the same sensor. These unique sensor are designed to be low profile to minimize flow disturbance. Of the salient points of the new system is elimination of measurement error as seen in dual sensor system used in the same application. Dual sensor induced errors can be in excess of 20 percent that are caused when these sensors are used in non-isothermal flows. This technology provides an accurate and easy to use vehicle for mapping the temperature and velocity of flows in multitude of environments.

Paper Details

Date Published: 22 January 1999
PDF: 8 pages
Proc. SPIE 3535, Advanced Sensors and Monitors for Process Industries and the Environment, (22 January 1999); doi: 10.1117/12.337474
Show Author Affiliations
Bahman Tavassoli, Advanced Thermal Solutions, Inc. (United States)
Kambiz Shahnazi, Yale Univ. (United States)


Published in SPIE Proceedings Vol. 3535:
Advanced Sensors and Monitors for Process Industries and the Environment
Wim A. de Groot, Editor(s)

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