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Estimating Maintenance Costs of New Aircraft Concepts under Uncertainties: A Feasibility Study

Ramm, Jennifer and Pohya, Ahmad Ali and Wicke, Kai and Wende, Gerko (2023) Estimating Maintenance Costs of New Aircraft Concepts under Uncertainties: A Feasibility Study. In: 13th EASN International Conference on “Innovation in Aviation & Space for opening New Horizons”. 13th EASN International Conference on “Innovation in Aviation & Space for opening New Horizons”, 2023-09-05 - 2023-09-08, Salerno, Italy.

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Abstract

The push for greener air mobility has led to innovative aircraft designs. To ensure their viability, it is essential to minimize environmental impact and ensure profitability. This requires analyzing life cycle costs, including maintenance. Despite technological advances such as hydrogen storage systems, research into maintenance costs remains limited. This study aims to estimate the maintenance costs of hydrogen storage systems as part of the life cycle costs of a hydrogen-powered aircraft. By comparing conventional and hydrogen-powered aircraft concepts, technical differences of the fuel storage systems are examined, and expert insights on initial cost, lifetime, and maintenance effort are gathered. Initial scarcity of data prevents using typical probabilistic methods, so the Dempster-Shafer Theory of Evidence is used to harness expert opinions. A global sensitivity analysis quantifies the impact of input uncertainty on maintenance costs, identifying key cost drivers and parameter effects. Systematic input variation identifies critical factors for further investigation and design improvements. This study demonstrates the early estimation of maintenance costs through an innovative framework. The results improve the understanding of maintenance costs and associated conditions and serve as a basis for decision-making on the integration of hydrogen storage systems and new aviation technologies. Further information will be published soon.

Item URL in elib:https://elib.dlr.de/197177/
Document Type:Conference or Workshop Item (Speech)
Title:Estimating Maintenance Costs of New Aircraft Concepts under Uncertainties: A Feasibility Study
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Ramm, JenniferUNSPECIFIEDhttps://orcid.org/0000-0001-9011-1211142167146
Pohya, Ahmad AliUNSPECIFIEDhttps://orcid.org/0000-0002-2734-3199UNSPECIFIED
Wicke, KaiUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wende, GerkoUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Date:6 September 2023
Journal or Publication Title:13th EASN International Conference on “Innovation in Aviation & Space for opening New Horizons”
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Cost Estimation, Uncertanties, New Aircraft Concepts, Hydrogen Aircraft, H2 Tank Maintenance Cost
Event Title:13th EASN International Conference on “Innovation in Aviation & Space for opening New Horizons”
Event Location:Salerno, Italy
Event Type:international Conference
Event Start Date:5 September 2023
Event End Date:8 September 2023
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Air Transportation and Impact
DLR - Research area:Aeronautics
DLR - Program:L AI - Air Transportation and Impact
DLR - Research theme (Project):L - Air Transport Operations and Impact Assessment
Location: Hamburg
Institutes and Institutions:Institute of Maintenance, Repair and Overhaul > Product Life Cycle Management
Deposited By: Ramm, Jennifer
Deposited On:12 Sep 2023 07:38
Last Modified:07 May 2024 11:23

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