Method of, and apparatus for, making visible the flow pattern of

Details Method of, and apparatus for, making visible the flow pattern of Method of, and apparatus for, making visible the flow pattern of

1976-08-12

1977-06-28

Woodiel, Donald O.

Measuring and testing

Miscellaneous

73119A, G01M 1300, G01F 1500

Patent

active

040317595

ABSTRACT:
The pattern of the flow of a gas that is injected into a gaseous stream is made visible by causing the flow of the injected gas to become luminous; and, therefore, to be visible, detectable, and recordable. This luminosity is accomplished by producing long-lifetime (metastable), excited-state species (atoms or molecules) of the main gas flow upstream of the injected gas.

REFERENCES:
patent: 3081623 (1963-03-01), Domeisen

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