Detail publikace
Miniaturní vodivostní sensor s drátovou sítí pro měření proudění ve dvoufázových směsích kapalina-plyn
HAMPEL, U. OTÁHAL, J. BODEN, S. BEYER, M. SCHLEICHER, E. ZIMMERMANN, W. JÍCHA, M.
Český název
Miniaturní vodivostní sensor s drátovou sítí pro měření proudění ve dvoufázových směsích kapalina-plyn
Anglický název
Miniature conductivity wire mesh sensor for gas-liquid two-phase flow measurement
Typ
článek v časopise ve Web of Science, Jimp
Jazyk
en
Originální abstrakt
A miniature conductivity wire-mesh sensor for gas-liquid two-phase flow measurement in small channels is presented. The sensor design is similar to the conventional wire-mesh sensor for larger flow cross sections with wire electrodes stretched across the flow channel in two adjacent planes and with perpendicular wire orientation between planes. Conductivity measurement is performed by special electronics which consecutively applies bipolar voltage pulse excitation to the sender wires and measures electrical current flow in the wire crossings at the receiver wires. The new design is based on printed circuit board technology. A prototypical sensor made of 2 x 16 stainless steel wires each of 50 mm diameter was manufactured and applied to two-phase flow measurement inside the mixing chamber of an effervescent atomizer. Accuracy of the sensor was studied for static liquid distributions using microphotography and for dynamic two-phase flow by comparison of wire-mesh sensor data with radial gas fraction profiles obtained from X-ray microtomography measurements.
Český abstrakt
V článku je prezentován nový miniaturní vodivostní sensor s drátovou sítí pro měření proudění ve dvoufázových směsích kapalina-plyn. Sensor je tvořen mřížkou kolmo na sebe orientovaných drátů průměru 50 um. Fáze v blízkosti křížení drátů je detekována podle elektrické vodivosti. V příspěvku je popsána aplikace senzoru a iověření jeho přesnosti.
Anglický abstrakt
A miniature conductivity wire-mesh sensor for gas-liquid two-phase flow measurement in small channels is presented. The sensor design is similar to the conventional wire-mesh sensor for larger flow cross sections with wire electrodes stretched across the flow channel in two adjacent planes and with perpendicular wire orientation between planes. Conductivity measurement is performed by special electronics which consecutively applies bipolar voltage pulse excitation to the sender wires and measures electrical current flow in the wire crossings at the receiver wires. The new design is based on printed circuit board technology. A prototypical sensor made of 2 x 16 stainless steel wires each of 50 mm diameter was manufactured and applied to two-phase flow measurement inside the mixing chamber of an effervescent atomizer. Accuracy of the sensor was studied for static liquid distributions using microphotography and for dynamic two-phase flow by comparison of wire-mesh sensor data with radial gas fraction profiles obtained from X-ray microtomography measurements.
Klíčová slova česky
měření vodivosti, Miniaturní vodivostní sensor s drátovou sítí, měření proudění, dvoufázové směsi
Klíčová slova anglicky
Wire-mesh sensor, Effervescent atomizer, Two-phase flow, X-ray microtomography
Rok RIV
2009
Vydáno
01.01.2009
Nakladatel
Elsevier
Místo
Netherlands
ISSN
0955-5986
Časopis
FLOW MEASUREMENT AND INSTRUMENTATION
Ročník
3
Číslo
20
Strany od–do
15–21
Počet stran
7
BIBTEX
@article{BUT47215,
author="Uwe {Hampel} and Jan {Otáhal} and Stephan {Boden} and Matthias {Beyer} and Eckhard {Schleicher} and Winter {Zimmermann} and Miroslav {Jícha},
title="Miniature conductivity wire mesh sensor for gas-liquid two-phase flow measurement",
journal="FLOW MEASUREMENT AND INSTRUMENTATION",
year="2009",
volume="3",
number="20",
month="January",
pages="15--21",
publisher="Elsevier",
address="Netherlands",
issn="0955-5986"
}