Probabilistic assessment of the Propeller Blade Primary Failure

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21220%2F17%3A00319611" target="_blank" >RIV/68407700:21220/17:00319611 - isvavai.cz</a>

Výsledek na webu

<a href="https://paginas.fe.up.pt/~m2d/Proceedings_M2D2017/data/papers/6549.pdf" target="_blank" >https://paginas.fe.up.pt/~m2d/Proceedings_M2D2017/data/papers/6549.pdf</a>

DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Probabilistic assessment of the Propeller Blade Primary Failure

Popis výsledku v původním jazyce

A propeller is a very important part of a propeller aircraft and its failure can have catastrophic consequences for the aircraft. Very low probability of primary failure occurrence per propeller flight hour is required (10-8) by Civil Aviation Agencies. A classical deterministic approach based on aeronautical regulations with the application of safety factors was compared with a new stochastic approach to predicting life with the required low probability of failure. Probabilistic assessment based on Monte Carlo method, which uses input data from the blade fatigue tests and steady/vibratory stress analysis was performed. Stochastically calculated flight hours are a function of failure probability and combination with the results from deterministic method, which are using series of safety coefficients, has resulted in linkage between safety coefficients and failure probability.

Název v anglickém jazyce

Probabilistic assessment of the Propeller Blade Primary Failure

Popis výsledku anglicky

A propeller is a very important part of a propeller aircraft and its failure can have catastrophic consequences for the aircraft. Very low probability of primary failure occurrence per propeller flight hour is required (10-8) by Civil Aviation Agencies. A classical deterministic approach based on aeronautical regulations with the application of safety factors was compared with a new stochastic approach to predicting life with the required low probability of failure. Probabilistic assessment based on Monte Carlo method, which uses input data from the blade fatigue tests and steady/vibratory stress analysis was performed. Stochastically calculated flight hours are a function of failure probability and combination with the results from deterministic method, which are using series of safety coefficients, has resulted in linkage between safety coefficients and failure probability.

Druh

D - Stať ve sborníku

CEP obor

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OECD FORD obor

20304 - Aerospace engineering

Projekt

<a href="/cs/project/EF16_019%2F0000826" target="_blank" >EF16_019/0000826: Centrum pokročilých leteckých technologií</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2017

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

PROCEEDINGS M2D2017

ISBN

978-989-98832-7-7

ISSN

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e-ISSN

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Počet stran výsledku

2

Strana od-do

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Název nakladatele

FEUP-Faculdade de Engenharia, Universidade do Porto

Místo vydání

Porto

Místo konání akce

Abufeira

Datum konání akce

11. 6. 2017

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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