径向变体飞艇总体参数估算方法

肖治垣; 郦正能

径向变体飞艇总体参数估算方法

北京航空航天大学航空科学与工程学院, 北京 100191

详细信息

中图分类号: V 274
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出版历程
- 收稿日期: 2012-03-07
- 网络出版日期: 2012-05-30

Parameters estimation method of radial transformable airship

School of Aeronautic Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

摘要

摘要: 为突破临近空间可操纵浮空器的关键技术难点,使可操纵浮空器往返地面至临近空间成为可能,提出了一种径向变体飞艇的总体参数估算方法,该方法基于阿基米德浮力定律和李式变体飞艇原理(Li-Style Transformable Airship Theory),通过艇体结构的径向变形来实现艇体截面积的自适与可控变化,控制飞艇容积变化以改变净升力大小,并使飞艇在容积变化中始终保持可操纵的气动外形,从而实现飞艇的升、降与驻空和飞行等控制.通过设计变形方案估算内气囊与外气囊尺寸,分析力学平衡与能源平衡估算飞艇长度.在拟定设计参数的基础上,给出了一种太阳能径向变体飞艇的总体设计方案,并通过设计实例验证了此方法的可行性与实用性.
- 临近空间 /
- 飞艇 /
- 径向变体 /
- 参数估算
Abstract: To break the crucial technical difficulties of controllable aerostat in near space, and make it possible of controlling aerostat going and returning between ground and near space, the conception of solar powered radial transformable airship was raised, and it-s parameters estimation method was given. The method was based on Archimedes theory and Li-style transformable airship theory. The self-adapting and controllable-transformation of sectional area was actualized by radial transformation of structure, net lift was changed by controlling the volume of airship. Controllable aerodynamic configuration was consistently kept through the change of volume ,thereby the controls for ascending, descending and staying of airship were actualized. Size of inside ballonet and outside ballonet were accounted by designing transformation project, length of airship was accounted by analyzing dynamics balance and energy balance. Based on study out design parameter, an overall design project for solar powered radial transformable airship was given, feasibility and practicality of the method was validated by example.
- near space /
- airship /
- radial transformation /
- parameters estimation

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参考文献(12)

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