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Airframe noise source diagnostics of a large-scale semi-span model in DNW-NWB and experimental investigation of wing element modification for noise suppression

机译：DNW-NWB中大型半跨模型的机体噪声源诊断和机翼变型抑制噪声的实验研究

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Experimental investigation of aeroacoustic and aerodynamic characteristics of a large-scale semi-span wing model in approach configuration has been performed in aeroacoustic wind tunnel DNW-NWB. Effect of Reynolds number on airframe noise, as well as noise reduction concepts for slat noise have been studied. A comparison of the aerodynamic results obtained in DNW-NWB for chevron slat and reference slat configuration is also provided.

机译：在航空声风洞DNW-NWB中，对进近构型的大型半跨翼模型的航空声和空气动力特性进行了实验研究。研究了雷诺数对机身噪声的影响以及板条噪声的降噪概念。还提供了在DNW-NWB中获得的人字形板条和参考板条配置的空气动力学结果的比较。

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《AIAA/CEAS aeroacoustics conference;AIAA aviation forum》|2014年|49-64|共16页
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Victor F. Kopiev; Mikhail Yu. Zaytsev; Ivan V. Belyaev; Anton R. Gorbushin; Ivan L. Chemyshev; Michael Pott-Pollenske;
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Airframe noise source diagnostics of a large-scale semi-span model in DNW-NWB and experimental investigation of wing element modification for noise suppression

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