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首页> 外文期刊>Aerospace science and technology >Aircraft wake vortices: a comparison of wind-tunnel data with field trial measurements by laser radar
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Aircraft wake vortices: a comparison of wind-tunnel data with field trial measurements by laser radar

机译：飞机尾流涡流：风洞数据与激光雷达现场试验测量的比较

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摘要

A method is presented for comparison of measurements on aircraft wake vortices obtained using two very different techniques: 1) five-hole probe measurements on a 1/13.6(7.35/100) scale half-model of an Airbus A321 were made in a wind tunnel, and 2) coherent laser radar (lidar) measurements were made in full- Scale field trials at Toulouse Blagnac Airport. The lidar measurements provide line-of-sight tangent velocities Across the vortex pair to over half the peak core velocity, whereas the wind tunnel measurements cover The full core region, extending nearly to the mid point. Measurements from the two systems may thus be Compared over the overlap region of the vortex profile.
机译：提出了一种方法，用于比较使用两种截然不同的技术获得的飞机尾流涡流的测量结果：1）在风洞中对空客A321的1 / 13.6（7.35 / 100）比例半模型进行五孔探针测量2）在图卢兹·布拉尼亚克机场进行的大规模实地试验中进行了相干激光雷达（激光雷达）测量。激光雷达测量提供了整个涡流对的视线切线速度，超过峰值核心速度的一半，而风洞测量覆盖了整个核心区域，几乎延伸到中点。因此，可以在涡旋轮廓的重叠区域上比较来自两个系统的测量结果。

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