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Environmental Effects on Fluidic Amplifers FREE

[+] Author Affiliations
J. O. Hedeen

Honeywell Inc., Minneapolis, MN

Paper No. 72-GT-84, pp. V001T01A083; 11 pages
doi:10.1115/72-GT-84
From:
  • ASME 1972 International Gas Turbine and Fluids Engineering Conference and Products Show
  • ASME 1972 International Gas Turbine and Fluids Engineering Conference and Products Show
  • San Francisco, California, USA, March 26–30, 1972
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7981-8
  • Copyright © 1972 by ASME

abstract

The technology of fluidics has frequently been advertised as being a solution to environmental problems encountered with more conventional control techniques. However, those applying fluidics to control problems soon discover that fluidic components have their own peculiar sensitivity to changes in the environment. This paper describes the typical environmental sensitivity of fluidic proportional and digital amplifiers, and provides a method for predicting this sensitivity based on the amplifier’s dependence on Reynolds Number. The principal performance parameters considered are gain, noise and null shift. The sensitivity of these parameters to supply pressure, fluid temperature and altitude or reference pressure is described. Both liquid and gaseous fluids are considered.

Copyright © 1972 by ASME
This article is only available in the PDF format.

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