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WIRE MARKER [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2010-05-14

English

Subject field(s)
  • Weather Stations and Meteorological Instruments and Equipment
  • Scientific Measurements and Analyses
CONT

Measuring windspeed.... Marker(tracer) drift. Here the "sensor" is some sort of tracer, and its action is simply to move with the flow. Windspeed derived from a sequence of satellite observations of cloud positions are an example. Several in-situ anemometers used in meteorology fall in this category : the pulsed hot wire, the vortex shedding anemometer, ionic anemometer, laser Doppler anemometer, and the temperature-correlation anemometer.

PHR

Glow-discharge ionic anemometer.

French

Domaine(s)
  • Stations, instruments et équipements météorologiques
  • Mesures et analyse (Sciences)
CONT

Dans l'anémomètre ionique, un pinceau d'ions se déplaçant entre une source et une électrode réceptrice est dévié par le vent. Un découpage de l'électrode réceptrice en plusieurs parties permet la mesure de la déviation du pinceau et on en déduit la valeur de la composante du vent perpendiculaire à la direction du pinceau.

PHR

Anémomètre ionique à haute résolution.

Spanish

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