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Tuesday, May 5, 2020 | History

1 edition of A high frequency platinum resistance thermometer system for measuring turbulent atmospheric temperature fluctuations found in the catalog.

A high frequency platinum resistance thermometer system for measuring turbulent atmospheric temperature fluctuations

Noel E. J. Boston

A high frequency platinum resistance thermometer system for measuring turbulent atmospheric temperature fluctuations

by Noel E. J. Boston

  • 395 Want to read
  • 23 Currently reading

Published by Naval Postgraduate School in Monterey, California .
Written in English

    Subjects:
  • Equipment,
  • Methods,
  • Atmospheric temperature,
  • Testing laboratories

  • About the Edition

    A sensor and electronic system has been developed and used to measure high frequency, small scale atmospheric temperature fluctuations. The sensor consists of a platinum wire 0.25 micrometers in diameter and 0.30mm in length. The wire has a time constant of less than 10 microseconds in a 4 m/sec air flow. With a detection current of 50 microamps its sensitivity is 0.063 millevolt/degree C. The electronic system consists of an 80kHz multivibrator, bridge, bridge amplifier, synchronous detector and DC amplifier. The overall system frequency response is flat from DC to 4.5 kHz. The bridge has a noise level of 0.40 microvolts rms and is capable of measuring temperature changes of 0.048C. The overall system noise level varied from 0.18 mv at 10 Hz to 1.6 mv at 1 kHz. Methods are suggested for improving these figures.

    Edition Notes

    Statementby Noel E. J. Boston and Edman L. Sipe
    ContributionsSipe, Edman L., Naval Postgraduate School (U.S.)
    The Physical Object
    Pagination43 p. :
    Number of Pages43
    ID Numbers
    Open LibraryOL25497120M
    OCLC/WorldCa455442167


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A high frequency platinum resistance thermometer system for measuring turbulent atmospheric temperature fluctuations by Noel E. J. Boston Download PDF EPUB FB2