浮空器气体混充定高建模与仿真

V273; 依据浮空器浮重平衡特性以及理想气体状态方程,探索了一种气体混充控制浮空器平飞高度的定高方式,并对浮空器气体混充定高技术进行了总体设计研究.考虑到热力学特性对于浮空器上升过程和平飞过程的重要性,结合工程热力学中混充气体的热物性能,以超压气球作为研究对象,分析球体上升和平飞过程中的热环境,并与动力学模型进行耦合.在此基础上,对混充气球上升及平飞过程进行力学仿真,得到气球上升过程中高度、速度、气体温度以及压强的变化,验证了浮空器混充定高技术的可行性,为后续浮空器飞行试验提供指导....

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Published in国防科技大学学报 Vol. 45; no. 6; pp. 196 - 204
Main Authors 杨燕初, 曹胜鸿, 赵荣, 祝榕辰, 宋林
Format Journal Article
LanguageChinese
Published 中国科学院空天信息创新研究院,北京 100094 01.12.2023
中国科学院大学,北京 100190%中国科学院空天信息创新研究院,北京 100094
Subjects
aerostats
dynamics
动力学
浮空器
气体混充
air-lifting gas mixing
thermodynamics
热力学
numerical simulation
数值仿真
Online AccessGet full text
ISSN1001-2486
DOI10.11887/j.cn.202306006

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Abstract V273; 依据浮空器浮重平衡特性以及理想气体状态方程,探索了一种气体混充控制浮空器平飞高度的定高方式,并对浮空器气体混充定高技术进行了总体设计研究.考虑到热力学特性对于浮空器上升过程和平飞过程的重要性,结合工程热力学中混充气体的热物性能,以超压气球作为研究对象,分析球体上升和平飞过程中的热环境,并与动力学模型进行耦合.在此基础上,对混充气球上升及平飞过程进行力学仿真,得到气球上升过程中高度、速度、气体温度以及压强的变化,验证了浮空器混充定高技术的可行性,为后续浮空器飞行试验提供指导.
AbstractList V273; 依据浮空器浮重平衡特性以及理想气体状态方程,探索了一种气体混充控制浮空器平飞高度的定高方式,并对浮空器气体混充定高技术进行了总体设计研究.考虑到热力学特性对于浮空器上升过程和平飞过程的重要性,结合工程热力学中混充气体的热物性能,以超压气球作为研究对象,分析球体上升和平飞过程中的热环境,并与动力学模型进行耦合.在此基础上,对混充气球上升及平飞过程进行力学仿真,得到气球上升过程中高度、速度、气体温度以及压强的变化,验证了浮空器混充定高技术的可行性,为后续浮空器飞行试验提供指导.
Abstract_FL According to the floating weight balance characteristics and the ideal gas state equation,a method to control the height of the aerostat's flat flight by gas mixing was explored,and the overall design research of constant-height flight by air-lifting gas mixing was carried out.Considering the importance of thermodynamic characteristics to the ascent process and the flat flight process of the aerostat,combined with the thermophysical properties of mixed gas in engineering thermodynamics,the super-pressure balloon was taken as the research object to analyze the thermal environment during the ascent and flight processes of spheres,and coupled with dynamic models.On this basis,the mechanical simulation of the ascent and flat flight process of the balloon was carried out,and the changes in altitude,speed,gas temperature and pressure during the ascent of the balloon were obtained,so as to verify the feasibility of the theoretical model of constant-height flight by air-lifting gas mixing,and provide guidance for the subsequent aerostat flight test.
Author 杨燕初
祝榕辰
曹胜鸿
宋林
赵荣
AuthorAffiliation 中国科学院空天信息创新研究院,北京 100094;中国科学院大学,北京 100190%中国科学院空天信息创新研究院,北京 100094
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Author_FL CAO Shenghong
ZHAO Rong
SONG Lin
ZHU Rongchen
YANG Yanchu
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DocumentTitle_FL Modeling and numerical simulation of constant-height flight by air-lifting gas mixing for aerostats
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Issue 6
Keywords aerostats
dynamics
动力学
浮空器
气体混充
air-lifting gas mixing
thermodynamics
热力学
numerical simulation
数值仿真
Language Chinese
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PublicationTitle 国防科技大学学报
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PublicationYear 2023
Publisher 中国科学院空天信息创新研究院,北京 100094
中国科学院大学,北京 100190%中国科学院空天信息创新研究院,北京 100094
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Snippet V273; 依据浮空器浮重平衡特性以及理想气体状态方程,探索了一种气体混充控制浮空器平飞高度的定高方式,并对浮空器气体混充定高技术进行了总体设计研究.考虑到热力学特性对...
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Title 浮空器气体混充定高建模与仿真
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