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Aircraft Geometry Effects on a Distributed Flush Airdata System

机译：飞机几何形状对分布式齐平空气数据系统的影响

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Previous work has demonstrated the effectiveness of a distributed flush airdata system on the Eagle Owl UAS and presented a method for determining ideal port locations for an arbitrary airframe geometry. This paper focuses changing a portion of the airframe geometry and investigating the effects these changes have on the accuracy of the airdata system. In an attempt to gain a further understanding of the relationship between geometry and system accuracy, the Eagle Owl was tested again with the standard flat side plates as the control geometry, which were compared to NACA 0015 and S7055 airfoil side plates. It was hypothesized that having an airfoil for the side plate would increase the sensitivity in pressure to changes in sideslip angle, thereby increasing the accuracy of the flush airdata system. Results show that changing the geometry of the side plate does have an effect on the accuracy of the system, with the S7055 being the most accurate, with a standard deviation in calibrations errors of 0.16°, while the NACA 0015 was the least accurate, with a standard deviation of 0 29°. The flat plate side plate performed the best using the novel data set.
机译：以前的工作已经证明了分布式齐平Airdata系统在Eagle OWL UAS上的有效性，并提出了一种用于确定任意机空机几何形状的理想端口位置的方法。本文侧重于改变空机几何的一部分，并调查这些变化对Airdata系统的准确性的影响。为了进一步了解几何和系统精度之间的关系，将鹰猫头鹰与标准扁平侧板再次测试为控制几何形状，与Naca 0015和S7055翼型板进行比较。假设具有侧板的翼型将增加压力的灵敏度，以改变侧滑角，从而提高了齐平Airdata系统的准确性。结果表明，改变侧板的几何形状确实对系统的准确性产生了影响，S7055是最准确的，校准误差为0.16°，而NaCA 0015最低，则具有最小的准确性标准偏差为0 29°。平板侧板使用新颖的数据集进行了最佳。

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