Detection of the transitional layer between laminar and turbulen

Details Detection of the transitional layer between laminar and turbulen Detection of the transitional layer between laminar and turbulen

1978-11-27

1980-02-19

Woodiel, Donald O.

Measuring and testing

Wind tunnel: aerodynamic wing and propeller study

73205L, G01M 900

Patent

active

041888235

ABSTRACT:
A system is disclosed for detecting the laminar to turbulent boundary layer transition on a surface while simultaneously taking pressure measurements. The system uses an accelerometer for producing electrical signals proportional to the noise levels along the surface and a transducer for producing electrical signals proportional to pressure along the surface. The signals generated by the accelerometer and transducer are sent to a data reduction system for interpretation and storage.

REFERENCES:
patent: 2519015 (1950-08-01), Bensen
patent: 2523481 (1950-09-01), Rabenhorst
patent: 2761315 (1956-09-01), Anderson Jr. et al.
patent: 2871698 (1959-02-01), Bagby
patent: 2957345 (1960-10-01), Cheney

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