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Probabilistic design in the conceptual phase of an aircraft fuel system
Linköping University, Department of Management and Engineering, Machine Design . Linköping University, The Institute of Technology.
Linköping University, Department of Management and Engineering, Machine Design . Linköping University, The Institute of Technology.
Linköping University, Department of Management and Engineering, Machine Design . Linköping University, The Institute of Technology.
Linköping University, Department of Management and Engineering, Machine Design . Linköping University, The Institute of Technology.
2005 (English)In: 7th AIAA Non-Deterministic Design Forum, Austin, USA, 2005, no AIAA-2005-2219Conference paper, Published paper (Refereed)
Place, publisher, year, edition, pages
2005. no AIAA-2005-2219
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-12985OAI: oai:DiVA.org:liu-12985DiVA: diva2:17589
Available from: 2008-04-01 Created: 2008-04-01 Last updated: 2009-03-02
In thesis
1. On aircraft fuel systems: conceptual design and modeling
Open this publication in new window or tab >>On aircraft fuel systems: conceptual design and modeling
2007 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

The largest and most important fluid system in an aircraft is the fuel system. Obviously, future aircraft projects involve the design of fuel system to some degree. In this project design methodologies for aircraft fuel systems are studied, with the aim to shortening the system development time.

This is done by means of illustrative examples of how optimization and the use of matrix methods, such as the morphological matrix, house of quality and the design structure matrix, have been developed and implemented at Saab Aerospace in the conceptual design of aircraft fuel systems. The methods introduce automation early in the development process and increase understanding of how top requirements regarding the aircraft level impact low-level engineering parameters such as pipe diameter, pump size, etc. The morphological matrix and the house of quality matrix are quantified, which opens up for use of design optimization and probabilistic design.

The thesis also discusses a systematic approach when building a large simulation model of a fluid system where the objective is to minimize the development time by applying a strategy that enables parallel development and collaborative engineering, and also by building the model to the correct level of detail. By correct level of detail is meant the level that yields a simulation outcome that meets the stakeholders’ expectations. The experienced gained at Saab in building a simulation model, mainly from the Gripen fuel system, but also the accumulated experience from other system models, is condensed and fitted into an overall process.

Place, publisher, year, edition, pages
Institutionen för ekonomisk och industriell utveckling, 2007
Series
Linköping Studies in Science and Technology. Dissertations, ISSN 0345-7524 ; 1067
Keyword
Aircraft, morphological matrix, simulation, Saab, Gripen
National Category
Reliability and Maintenance
Identifiers
urn:nbn:se:liu:diva-11146 (URN)978-91-85643-04-2 (ISBN)
Public defence
2007-02-23, C3, Hus C, Campus Valla, Linköpings universitet, Linköping, 10:15 (English)
Opponent
Supervisors
Available from: 2008-04-01 Created: 2008-04-01 Last updated: 2009-04-08

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Gavel, HampusKrus, PetterAndersson (Ölvander), JohanJohansson (Lundén), Björn

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