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A new fibre-optic sensor for high-temperature flow measurement

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Author: Schiferli, W. · Cheng, L.K. · Jansen, T.H.
Type:article
Date:2012
Source:NPT Procestechnologie, Mei, 2, 16-17
Identifier: 463468
Keywords: Electronics · Sensors · Fibre-optic sensors · Flow measurement · Industrial Innovation · Fluid Mechanics Chemistry & Energetics Physics & Electronics · FD - Fluid Dynamics OPT - Optics · TS - Technical Sciences

Abstract

Measuring flow is essentia ìn the process and oil & gas ìndustry. In the oil and gas industry, orifice plates and vortex meters are popular, since their lack of moving parts makes them robust. However, the need for electronics limits maximum process temperatures to 150 to 200'C. Special electronics can go up to 1100'C, but this makes the meter very costly and in most of the cases less accurate. TNO has developed a novel sensor which can accurately measure flow at elevated temperatures using fìbre optic technology.