Study on engine pylon emergency separation design of civil aircraft

Engine pylon emergency separation is one of the key technologies in civil aircraft design, which is difficult to obtain from abroad.Domestic researches are mainly about theories and thoughts, which cannot be applied on engineering.In this paper, the research on relationship of design loads among pyl...

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Main Authors: CHEN Haihuan, LI Zejiang, CHEN Shaokai
Format: Article
Language:zho
Published: Editorial Department of Advances in Aeronautical Science and Engineering 2023-02-01
Series:Hangkong gongcheng jinzhan
Subjects:
Online Access:http://hkgcjz.cnjournals.com/hkgcjz/article/abstract/2022028
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author CHEN Haihuan
LI Zejiang
CHEN Shaokai
author_facet CHEN Haihuan
LI Zejiang
CHEN Shaokai
author_sort CHEN Haihuan
collection DOAJ
description Engine pylon emergency separation is one of the key technologies in civil aircraft design, which is difficult to obtain from abroad.Domestic researches are mainly about theories and thoughts, which cannot be applied on engineering.In this paper, the research on relationship of design loads among pylon, fuse pin and wingbox is carried out based on airworthiness standards.Load determination methods for strength calculation of interface structures is proposed through scenario analysis.The results show that the engine pylon emergency separation design only needs to consider predominantly upward loads and aft loads separately.Giving reasonable relationship of design loads among pylon, fuse pin and wingbox can reduce the weight of structures.Load directions of components connecting the pylon to the wing should be determined through scenario analysis considering structural details.
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publisher Editorial Department of Advances in Aeronautical Science and Engineering
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spelling doaj.art-fdb529e12dba4b40ba4c85379a4b46832023-05-20T08:56:58ZzhoEditorial Department of Advances in Aeronautical Science and EngineeringHangkong gongcheng jinzhan1674-81902023-02-0114111412010.16615/j.cnki.1674-8190.2023.01.1320230113Study on engine pylon emergency separation design of civil aircraftCHEN Haihuan0LI Zejiang1CHEN Shaokai2Aircraft Stucture & Stress Division, Shanghai Aircraft Design and Research Institute, Shanghai 201210, ChinaAircraft Stucture & Stress Division, Shanghai Aircraft Design and Research Institute, Shanghai 201210, ChinaAircraft Stucture & Stress Division, Shanghai Aircraft Design and Research Institute, Shanghai 201210, ChinaEngine pylon emergency separation is one of the key technologies in civil aircraft design, which is difficult to obtain from abroad.Domestic researches are mainly about theories and thoughts, which cannot be applied on engineering.In this paper, the research on relationship of design loads among pylon, fuse pin and wingbox is carried out based on airworthiness standards.Load determination methods for strength calculation of interface structures is proposed through scenario analysis.The results show that the engine pylon emergency separation design only needs to consider predominantly upward loads and aft loads separately.Giving reasonable relationship of design loads among pylon, fuse pin and wingbox can reduce the weight of structures.Load directions of components connecting the pylon to the wing should be determined through scenario analysis considering structural details.http://hkgcjz.cnjournals.com/hkgcjz/article/abstract/2022028pylonemergency separationfuse pinloadscenario analysisairworthiness
spellingShingle CHEN Haihuan
LI Zejiang
CHEN Shaokai
Study on engine pylon emergency separation design of civil aircraft
Hangkong gongcheng jinzhan
pylon
emergency separation
fuse pin
load
scenario analysis
airworthiness
title Study on engine pylon emergency separation design of civil aircraft
title_full Study on engine pylon emergency separation design of civil aircraft
title_fullStr Study on engine pylon emergency separation design of civil aircraft
title_full_unstemmed Study on engine pylon emergency separation design of civil aircraft
title_short Study on engine pylon emergency separation design of civil aircraft
title_sort study on engine pylon emergency separation design of civil aircraft
topic pylon
emergency separation
fuse pin
load
scenario analysis
airworthiness
url http://hkgcjz.cnjournals.com/hkgcjz/article/abstract/2022028
work_keys_str_mv AT chenhaihuan studyonenginepylonemergencyseparationdesignofcivilaircraft
AT lizejiang studyonenginepylonemergencyseparationdesignofcivilaircraft
AT chenshaokai studyonenginepylonemergencyseparationdesignofcivilaircraft