Comparison of Conventional and Winged Aerostats for Monitoring of Avalanche Parameters

机译：常规和有翼浮空器用于雪崩参数监控的比较

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Aerostats are being used extensively as a platform for aerial surveillance. Due to bulbous shape of the envelope, a conventional aerostat experiences a large drag force, which leads to a horizontal drift (i.e., blowby) in its position; this can severely compromise its operational efficiency when deployed in locations surrounded with obstacles, or when the magnitude of ambient wind is large. An aerostat with a wing shaped envelope (i.e., winged aerostat) offers a great advantage in such applications. This paper describes a methodology for conceptual sizing of a winged aerostat for deployment in an experimental field station located in lower Himalayas in India for monitoring of avalanche parameters. The methodology was vah'dated against available data of an existing winged aerostat. A comparative analysis of a conventional and winged aerostat designed to meet the same operating requirements revealed that the winged aerostat was much smaller in size, and also had much lower blowby.

机译：浮空器被广泛用作空中监视的平台。由于信封的球形形状，传统的浮空器承受较大的阻力，这会导致其位置发生水平漂移（即漏气）。当部署在有障碍物的环境中或环境风的强度很大时，这会严重损害其运行效率。具有翼形外壳的浮空器（即带翼浮空器）在这种应用中具有很大的优势。本文介绍了一种方法，用于对翼型浮空器的概念尺寸进行设计，以便部署在印度喜马拉雅山下游的实验现场站中，以监控雪崩参数。该方法已根据现有的有翼浮空器的可用数据进行了修改。对设计为满足相同运行要求的传统和有翼浮空器的比较分析显示，有翼浮空器的尺寸小得多，漏气也小得多。

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《AIAA aviation technology, integration and operations conference;ATIO;AIAA balloon systems conference;AIAA lighter-than-air technology conference》|2011年|p.3077-3085|共9页
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Akshay A. Kanoria; Kaviresh M. Bhandari; Rajkumar S. Pant;
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中图分类航空;
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A: ratio of envelope area to total fin area; A_R: Envelope Aspect Ratio; A_(Xs): Cross-sectional area of airfoil; C_D: Total Drag; C_E: Envelope Chord et al;

机译：A：包络面积与鳍总面积之比; A_R：信封长宽比; A_（Xs）：机翼的横截面积; C_D：总阻力; C_E：信封和弦等;

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Comparison of Conventional and Winged Aerostats for Monitoring of Avalanche Parameters

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