Measuring and testing – Wind tunnel: aerodynamic wing and propeller study
Patent
1975-09-29
1977-07-12
Ruehl, Charles A.
Measuring and testing
Wind tunnel: aerodynamic wing and propeller study
731174, G01M 900, G01L 513
Patent
active
040346048
ABSTRACT:
This invention relates to apparatus for accurately determining the characteristics of turbo-powered simulators. The apparatus provides for the determination of the air flow through the turbine of the simulator, the air flow through the fan section, and the thrust produced, all with high accuracy. The data thus accumulated, together with the data on temperatures and pressures both inside and outside the simulated engine, enable the engineer to determine other desired characteristics. The apparatus is free of certain disadvantages of conventional equipment in that it substantially eliminates tare forces in thrust measurement, it eliminates the necessity of accounting for inlet momentum, it minimizes distortion of inlet flow, and it enables simple and accurate measurement of the air flow through the engine simulator.
REFERENCES:
patent: 3015231 (1962-01-01), Ganahl
patent: 3097536 (1963-07-01), Young
patent: 3449947 (1969-06-01), Ormond
Decher Reiner
Fromm Eugene Howard
Tegeler David Charles
Appleman John S.
Donahue Bernard A.
Orlob Glenn
Ruehl Charles A.
The Boeing Company
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