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Riccius, Jörg R. and Zametaev, Evgeny B. (2023) HCF analysis of a prospective 3d-printed LRE turbine blade. In: AIAA SciTech 2023 Forum, pp. 1-9. AIAA SciTech 2023 Forum, 2023-01-23 - 2023-01-27, National Harbor, MD, USA & Online. doi: 10.2514/6.2023-1086. ISBN 978-162410699-6.
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Official URL: https://arc.aiaa.org/doi/10.2514/6.2023-1086
Abstract
A HCF life analysis method for 3d printed turbine blades is suggested. This method comprises a stationary thermal 3d Finite Element analysis, a follow-on (one-way coupled) quasi stationary structural 3d Finite Element analysis (including four load steps) of a single and two half turbine blades and the related disk and rotor section and a (modified Goodman equation based) post-processing fatigue life analysis for the highest HCF-loaded point of the 3d printed turbine blade with as-built to machined surface HCF life correction. Finally, this approach is demonstrated by the numerical HCF analysis of a generic Hydrogen turbo pump (1st rotor row) turbine blade of a 1 MN thrust class gas generator LOX-LH2 Liquid Rocket Engine (LRE).
| Item URL in elib: | https://elib.dlr.de/59149/ | ||||||||||||
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| Document Type: | Conference or Workshop Item (Speech) | ||||||||||||
| Title: | HCF analysis of a prospective 3d-printed LRE turbine blade | ||||||||||||
| Authors: |
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| Date: | 19 January 2023 | ||||||||||||
| Journal or Publication Title: | AIAA SciTech 2023 Forum | ||||||||||||
| Refereed publication: | Yes | ||||||||||||
| Open Access: | No | ||||||||||||
| Gold Open Access: | No | ||||||||||||
| In SCOPUS: | Yes | ||||||||||||
| In ISI Web of Science: | No | ||||||||||||
| DOI: | 10.2514/6.2023-1086 | ||||||||||||
| Page Range: | pp. 1-9 | ||||||||||||
| ISBN: | 978-162410699-6 | ||||||||||||
| Status: | Published | ||||||||||||
| Keywords: | LRE; HCF; FE; thermal analysis; structural analysis; mean stress; stress amplitude; creep; full admission; turbine blade; post-processing; Goodman; Inconel 718; 3d printing | ||||||||||||
| Event Title: | AIAA SciTech 2023 Forum | ||||||||||||
| Event Location: | National Harbor, MD, USA & Online | ||||||||||||
| Event Type: | international Conference | ||||||||||||
| Event Start Date: | 23 January 2023 | ||||||||||||
| Event End Date: | 27 January 2023 | ||||||||||||
| Organizer: | AIAA | ||||||||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||||||||
| HGF - Program: | Space | ||||||||||||
| HGF - Program Themes: | Space Transportation | ||||||||||||
| DLR - Research area: | Raumfahrt | ||||||||||||
| DLR - Program: | R RP - Space Transportation | ||||||||||||
| DLR - Research theme (Project): | R - Project TRANSIENT | ||||||||||||
| Location: | Lampoldshausen | ||||||||||||
| Institutes and Institutions: | Institute of Space Propulsion > Rocket Propulsion Technology | ||||||||||||
| Deposited By: | Riccius, Dr. Jörg | ||||||||||||
| Deposited On: | 09 Feb 2023 15:24 | ||||||||||||
| Last Modified: | 12 Feb 2025 07:55 |
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