Method and device for improving accuracy of wind tunnel...

Details Method and device for improving accuracy of wind tunnel... Method and device for improving accuracy of wind tunnel...

2007-12-25

2007-12-25

Allen, Andre J. (Department: 2855)

Measuring and testing

Wind tunnel: aerodynamic wing and propeller study

Reexamination Certificate

active

11316151

ABSTRACT:
A method for improving the precision of wind tunnel measurements provides a correction to reduce the influence of a suspension device. A model, such as an aircraft model, is held by the suspension device in a wind tunnel and has multiple suspension wires. By attaching one or more sleeves to each suspension wire, a plurality of measurements with identical model configuration are capable of providing data for extrapolating corrected measurement values for a plurality of aerodynamic characteristic variables measurable in a wind tunnel. Examples of sleeves include a slit along the sleeve length and an inner diameter of the sleeves selected such that the sleeve is capable of being pressed onto and removed from a suspension wire or a sleeve of lesser outer diameter.

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patent: 2002-323403 (2002-11-01), None

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