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The determination of flow direction of air velocity using ball-type sensors.

[In German. / En allemand.]

Author(s) : STEIMLE F., SCHADLICH S., SIEGEL A.

Type of article: Article

Summary

The authors developed a ball-type anemometer sensor, which allows them to determine either the velocity or the direction of a room air flow. The basic goal is the measurement of the local heat transfer on a partly heated ball in an air flow, which is much higher at the luv-side than at the lee-side. The sensor has 12 regularly distributed on the ball surface constant-temperature anemometers. The use of this equipment is in a range of air velocities between 0.1 and 0.8 m/s, which can be reached with an accuracy of more or less 0.015 m/s with an accuracy of 10 deg at the whole solid angle of 360 deg.

Details

  • Original title: [In German. / En allemand.]
  • Record ID : 1995-2829
  • Languages: German
  • Source: KI Luft Kältetech. - vol. 30 - n. 8
  • Publication date: 1994/08
  • Document available for consultation in the library of the IIR headquarters only.

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