Low turbulence wind tunnel stilling chamber

Details Low turbulence wind tunnel stilling chamber Low turbulence wind tunnel stilling chamber

1977-10-25

1981-08-04

Moskowitz, Nelson

Measuring and testing

Wind tunnel: aerodynamic wing and propeller study

73432L, 138 92, G01M 900

Patent

active

042815401

ABSTRACT:
A wind tunnel in which high energy laser beam impingement studies can be ducted such that beam distortion and degradation is substantially precluded. Uniform, low turbulence flow in which thermal blooming, creation of wakes is substantially eliminated is attained by providing an improved elongated cylindrical settling chamber having a gradual turning radius. A transverse aerodynamic window is located in the low velocity flow turning region of the settling chamber which allows the entry of the laser beam and the exhaust of a turbulent sonic free-jet constituting 10 percent of the total fluid flow through the wind tunnel.

REFERENCES:
patent: 2805571 (1957-09-01), Graham
patent: 2914941 (1959-12-01), Frenzl
patent: 2968944 (1961-01-01), Manoni
patent: 2992557 (1961-07-01), Bosse
patent: 3111843 (1963-11-01), Fredette
patent: 3403227 (1968-09-01), Way et al.
patent: 3478583 (1969-11-01), Barr, Jr. et al.
patent: 3817082 (1974-06-01), Fletcher et al.

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