The tests are conducted on a wing model with large aspect ratio.

试验是在大展弦比机翼颤振模型上进行的。

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The math model, based on real physical one, was modeled according the essential theory and design course of the flutter wing model designing.

根据实际问题的物理模型，并通过对机翼颤振模型设计原理的分析，建立了优化设计的数学模型；

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The results of the wind tunnel test show the flutter critical speed of the wing model increases by 37% after the implementation of AFS system.

风洞试验结果说明，采用颤振主动抑制控制系统后，机翼的颤振临界速度可提高37%。

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The company is nearly finished developing a 30-kilowatt model with an 26-foot wing and is planning a model more than 200 feet long that would produce 5 megawatts and reach heights of nearly two kilometers.

FORBES: A Wind Power Innovator Dies Too Young

An Optomec Aerosol Jet system was used to print a conformal sensor, antenna and circuitry directly onto the wing of a UAV model.

FORBES: Hybrid UAV Wing Created with 3D Printing and Printed Electronics

All that is missing for an almost-new model is a new wing.

ECONOMIST: Aircraft manufacture