Prediction of non-stationary deformation of gas turbine using machine learning approach coupling between CFD and FEM model

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21220%2F24%3A00375067" target="_blank" >RIV/68407700:21220/24:00375067 - isvavai.cz</a>

Výsledek na webu

<a href="https://doi.org/10.21495/em2024-226" target="_blank" >https://doi.org/10.21495/em2024-226</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.21495/em2024-226" target="_blank" >10.21495/em2024-226</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Prediction of non-stationary deformation of gas turbine using machine learning approach coupling between CFD and FEM model

Popis výsledku v původním jazyce

After shutdown, the gas turbine rotor system cooling primarily through natural convection and radiation. It is presenting a common engineering challenge prevalent across various applications. In power engineering, this phenomenon has long been acknowledged and addressed through gradual startup and shutdown procedures of the rotor system. However, within the aircraft engine domain, this issue is more necessary due to the variable operating conditions and temperatures changes by flight modes or engine shutdown events. Moreover, engine aftercooling proves particularly arduous owing to the intricate geometry and equipment constraints. This paper delves into the application of a developed Finite Element Method (FEM) tool for predicting rotor thermal bow induced by temperature discrepancies between the upper and lower sides of the rotor. The paper meticulously elucidates the mathematical model of the FEM tool and expounds upon the calculation methodology for rotor deflection based on the selected geometry.

Název v anglickém jazyce

Prediction of non-stationary deformation of gas turbine using machine learning approach coupling between CFD and FEM model

Popis výsledku anglicky

After shutdown, the gas turbine rotor system cooling primarily through natural convection and radiation. It is presenting a common engineering challenge prevalent across various applications. In power engineering, this phenomenon has long been acknowledged and addressed through gradual startup and shutdown procedures of the rotor system. However, within the aircraft engine domain, this issue is more necessary due to the variable operating conditions and temperatures changes by flight modes or engine shutdown events. Moreover, engine aftercooling proves particularly arduous owing to the intricate geometry and equipment constraints. This paper delves into the application of a developed Finite Element Method (FEM) tool for predicting rotor thermal bow induced by temperature discrepancies between the upper and lower sides of the rotor. The paper meticulously elucidates the mathematical model of the FEM tool and expounds upon the calculation methodology for rotor deflection based on the selected geometry.

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

2024

Kód důvěrnosti údajů

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

Název statě ve sborníku

Engineering Mechanics 2024: Book of full texts

ISBN

978-80-214-6235-9

ISSN

1805-8248

e-ISSN

—

Počet stran výsledku

4

Strana od-do

226-229

Název nakladatele

Institute of Thermomechanics, AS CR, v.v.i.

Místo vydání

Prague

Místo konání akce

Milovy

Datum konání akce

14. 5. 2024

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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