Using morphological analysis to tackle uncertainty at the design phase for a safety critical application
File(s)
Published version
Author(s)
Childs, PRN
Garvey, B
Type
Journal Article
Abstract
The gas turbine engine internal air system provides cooling and sealing air to a series of critical subsystems and components such as high pressure gas turbine blades, as well as controlling the thrust load on the turbine and compressor spool assembly. Many potential variations for the internal air system are possible, depending on the requirement, expertise and command of intellectual property. Some subsystems, such as rim seals, pre-swirl systems, and rotating cavities have been the subject of extensive development and analysis leading to robust design solutions. Nevertheless there remains scope for further consideration of the overall system design, and this paper explores the use of a decision analysis tool called morphological analysis applied to the internal air system. Morphological analysis provides an effective means for tackling issues where there is uncertainty, as is the case with many design scenarios, including the internal air system, with some specific parameters and information not available until later in the design phase, after the key geometry has been defined. The problem space comprising seven principal parameters, and a cross consistency matrix which allows identification of compatible and incompatible states are presented.
Date Issued
2015-03
Date Acceptance
2015-01-08
Citation
Propulsion and Power Research, 2015, 4 (1), pp.1-8
ISSN
2212-540X
Publisher
Elsevier
Start Page
1
End Page
8
Journal / Book Title
Propulsion and Power Research
Volume
4
Issue
1
Copyright Statement
© 2015 National Laboratory for Aeronautics and Astronautics. Production and hosting by Elsevier B.V.
All rights reserved. This is an open access article under the CC BY-NC-ND license
(http://creativecommons.org/licenses/by-nc-nd/4.0/).
All rights reserved. This is an open access article under the CC BY-NC-ND license
(http://creativecommons.org/licenses/by-nc-nd/4.0/).
Identifier
https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000218789600001&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=a2bf6146997ec60c407a63945d4e92bb
Subjects
Air
Design
Engine
Engineering
Engineering, Aerospace
Engineering, Mechanical
Gas
Internal
MULTIPLE ROTATING CAVITY
Optimization
Physical Sciences
Science & Technology
Secondary
System
Technology
Thermodynamics
Turbine
Publication Status
Published
Date Publish Online
2015-04-01