多小时平流层飞行期间直升机太阳能热气球的性能鉴定

T. Swaim, E. Hough, Z. Yap, J. Jacob, S. Krishnamoorthy, Daniel C. Bowman, L. Martire, A. Komjathy, B. Elbing
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引用次数: 0

摘要

太阳热气球是一种被动式太阳能热气球,能够在较低的平流层实现近乎水平的飞行数小时。这些廉价的飞行平台由于制造成本低,能够进行高灵敏度的平流层传感,但其性能尚未得到系统评估。2021 年 7 月至 9 月期间,作为基于气球的声学地震学研究(BASS)的一部分,从俄克拉荷马州成功发射了 29 个日光螺旋并达到了浮空高度。在整个飞行过程中,所有日光石的包络线几乎完全相同,飞行线路仅有细微变化。在这次活动中收集的飞行数据是一个大样本,用于描述氦气鹦鹉螺在发射、上升、漂浮和下降过程中的典型飞行行为。对每个飞行阶段都进行了描述,对各种参数的依赖性进行了量化,并对额定飞行和异常飞行进行了讨论。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Performance Characterization of Heliotrope Solar Hot-Air Balloons during Multihour Stratospheric Flights
Heliotropes are passive solar hot air balloons that are capable of achieving nearly level flight within the lower stratosphere for several hours. These inexpensive flight platforms enable stratospheric sensing with high-cadence enabled by the low cost to manufacture, but their performance has not yet been assessed systematically. During July to September of 2021, 29 heliotropes were successfully launched from Oklahoma and achieved float altitude as part of the Balloon-based Acoustic Seismology Study (BASS). All of the heliotrope envelopes were nearly identical with only minor variations to the flight line throughout the campaign. Flight data collected during this campaign comprise a large sample to characterize the typical heliotrope flight behavior during launch, ascent, float, and descent. Each flight stage is characterized, dependence on various parameters is quantified, and a discussion of nominal and anomalous flights is provided.
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