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A methodology for optimisation design and analysis of stratosphere airship

Published online by Cambridge University Press:  03 February 2016

Q. Wang ,
J. Chen ,
G. Fu ,
D. Duan  and
H. Zhao
Q. Wang
Affiliation:
Institute of Aerospace Science & Technology, Shanghai Jiaotong University, Shanghai, China
J. Chen
Affiliation:
Institute of Aerospace Science & Technology, Shanghai Jiaotong University, Shanghai, China
G. Fu
Affiliation:
Institute of Aerospace Science & Technology, Shanghai Jiaotong University, Shanghai, China
D. Duan
Affiliation:
Institute of Aerospace Science & Technology, Shanghai Jiaotong University, Shanghai, China
H. Zhao
Affiliation:
Institute of Aerospace Science & Technology, Shanghai Jiaotong University, Shanghai, China
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Abstract

This paper presents a methodology for studying the feasibility of stratosphere airship for high altitude long endurance missions and arriving at the baseline specifications of conventional configuration of stratosphere airship, given the performance and operational requirements. Based on this methodology, the AODAP platform (Airship Optimisation Design and Analysis Platform) was developed. Some innovative concepts used in AODAP that are different from previous methods and codes are presented. The shape optimisation of airship was introduced into the design process, and several optimum objectives can be selected including minimum drag, minimum weight and composite objective based on MDO (Multidisciplinary Design Optimisation). The methodology was validated for other design concepts previously developed for similar missions and also was compared to a low altitude vehicle. The baseline specifications of stratosphere airships designed for various shapes using this methodology are presented. The results of sensitivity analyses for a specified airship are discussed, and the sensitivity of airship length with some critical parameters including area density of envelope fabric, area density of solar cell, efficiency of solar cell and efficiency of fuel cell for the specified shape is also provided.

Type
Research Article
Information
The Aeronautical Journal , Volume 113 , Issue 1146 , August 2009 , pp. 533 - 540
Copyright
Copyright © Royal Aeronautical Society 2009 

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