老齡飛機結構適航性評估研究.pdf

1、中國民航大學碩士學位論文老齡飛機結構適航性評估研究姓名：劉文成申請學位級別：碩士專業(yè)：飛行器設計指導教師：杜洪增20070306中國民航大學碩士學位論文AbstractAtpresentthenumberofagingaircraftincivilaviationofChinaisgettingmoreandmoreByAug302005，thenumberofagingaircattieraircraftsoldover14years

2、isOVer79，andover9％ofailaircattieraircraftsThereliabilityofcomponentsorpartsbeingsensitivetolifewilldescendwithincreasingofservicetimeThefatiguedamageandcorrosiondamageofagingaircraftwillbecomemoreandmoreseriouswithaircra

3、ftagingThefatiguedamageandcorrosiondamageagetheimportantcharactersofagingaircraftTheaviationindustryintheworldisfocusedonairworthinessofagingaircraftTherefore，thattheevaluatingmethods011structuremaintenancemanagementandm

4、aintaintechnologyagestudiedisveryimportanttoke印strueRtreintegrainyandairworthinessofagingaircraftStudyingandanalysingtOthevariousevaluatingtheoriesandmethods，thisarticlesuggeststhatadoptingseriallayeranalysismethodtoasse

5、ssstructuremaintenancemanagementmaintaintechnologyandstructurestatusofagingaircraftThismethodincludes：settingupevaluatingmodelwhichisbasedonhierarchystrucRne，ascertainingindex，ascertainingtheevaluatingguidelinesystemande

6、valuatingcriterionInadditiontoconvenientfortheevaluatingtomaintenancemanagement，maintenancetechnologystructurestatus，asoflwaretotheevaluationofagingaircraftstructureairworthinessiscompiledbyusingObjectPascalanddatabaseAi

7、mingatstructuredefaultandcorrespondingrepairthe“StructureDefect／RepairReport’isdesignedandthesoftware‘‘SlructureDefect／RepairReport’isprogrammedStructuredefeelgrepairinformationCanbesharedOillinebythesoftware，andthesuppo