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Optimal Conceptual Design of Aircraft Fuel Transfer Systems
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.
2006 (English)In: Journal of Aircraft, ISSN 0021-8669, Vol. 43, no 5, 1334-1340 p.Article in journal (Refereed) Published
Abstract [en]

 

This paper describes early considerations that have to be made when designing an aircraft fuel system. Emphasis is placed on illustrating the impact of top-level aircraft requirements on low-level practicalities such as fuel system design. Choosing between concepts is one of the most critical parts of any design process. Different concepts have different advantages, and the concept that is the best choice is often dependent on the top-level requirements. This paper shows how optimization has been used successfully at Saab Aerospace as a tool that supports concept selection. The example studied is the design of a fuel transfer system for a ventral drop tank and the optimization results in different conceptual designs depending on the top-level requirements.

 

Place, publisher, year, edition, pages
2006. Vol. 43, no 5, 1334-1340 p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-12986DOI: 10.2514/1.19548OAI: oai:DiVA.org:liu-12986DiVA: diva2:17590
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, HampusÖlvander (Andersson), JohanKrus, Petter

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