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Predicting the temperature, humidity, pressure, and/or density effects on velocity instrumentation.

Author(s) : GEORGE R., FINAISH F., SAUER H. J. Jr, HOWELL R. H.

Summary

Despite the widespread application and use of velocity-measuring instruments, there are insufficient data available on the influence of density variation in an airflow field on velocity measurements by common instruments such as the rotating vane anemometer, the deflecting vane anemometer, and the hot-wire or heated-probe thermal anemometer. Density variations in the flow field may significantly affect the output of these anemometers. The paper reports on the theoretical phase of ASHRAE Research Project 698, aimed at developing correction factors to reduce such measurement errors.

Details

  • Original title: Predicting the temperature, humidity, pressure, and/or density effects on velocity instrumentation.
  • Record ID : 1995-2138
  • Languages: English
  • Source: Heat pumps in cold climates. Proceedings of the second international technical conference.
  • Publication date: 1994
  • Document available for consultation in the library of the IIR headquarters only.

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