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Method and device for improving accuracy of wind tunnel measurements, particularly for correcting the influence of a mounting device
Method and device for improving accuracy of wind tunnel measurements, particularly for correcting the influence of a mounting device
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机译:用于提高风洞测量精度,特别是用于校正安装设备的影响的方法和设备
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摘要
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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