Probe systems for measuring static pressure and turbulence inten

Details Probe systems for measuring static pressure and turbulence inten Probe systems for measuring static pressure and turbulence inten

1991-04-24

1993-08-10

Goldstein, Herbert

Measuring and testing

Wind tunnel: aerodynamic wing and propeller study

7386165, G01F 146, G01P 5165

Patent

active

052338657

ABSTRACT:
A method and apparatus for measuring time-averaged static or ambient pressure and turbulence intensity in a turbulent stream involve placing a plurality of probes in the stream. Each probe responds in a different manner to characteristics of the fluid stream, preferably as a result of having varying cross sections. The responses from the probes are used to eliminate unwanted components in the measured quantities for accurate determination of selected characteristics.

REFERENCES:
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"Probe Shapes That Measure Time-Averaged Streamwise Momentum and Cross-Stream Turbulence Intensity" U.S. Government, NASA Ames Research Center, V. J. Rossow, pp. 2-28 and FIGS. 1-13.
"Applied Hydro-and Aeromechanics" O. G. Tietjens, Engineering Societies Monographs 1934, pp. 226-235.
Luftfahrtforschung, vol. XII, No. 2, May 16, 1935, Technical Memorandums National Advisory Committee for Aeronautics, No. 775, "Total-Head Meter with Small Sensitivity to Yaw" by G. Kiel, pp. 1-6, FIGS. 1-13.
Technical Notes, National Advisory Committee for Aeronautics, No. 546, "Comparative Tests of Pilot-Static Tubes", by Kenneth G. Merriam et al., Nov. 1935, pp. 1-5 and 32.
"A Note on the Measurement of Total Head and Static Pressure in a Turbulent Stream", S. Goldstein, pp. 570-575.
"Considerations Entering into the Selection of Probes for Pressure Measurement in Jet Engines", C. C. Gettelman et al., Instrument Society of America, Aeronautic Inst. Session 11, Paper No. 52-12-1, pp. 134-137.
"On the Static Pressure in Fully-Developed Turbulent Flow", A. Page, Proc. Roy. Society of London, Series A, vol. 155, Jul. 1, 1936, pp. 576-596.
National Advisory Committee for Aeronautics, ACR No. 3L23, Wartime Report, "Investigation of Flow in an Axially Symmetrical Heated Jet of Air", S. Corrsin, pp. 1-34 and FIGS. 1-43.
"Response of Pitot probes in turbulent streams", H. A. Becker et al., J. Fluid Mech. (1974), vol. 62, part 1, pp. 85-114.

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