A numerical investigation into the effect of engine bleed on performance of a single-spool turbojet engine.

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dc.contributor.authorRahman, N. U.
dc.contributor.authorWhidborne, James F.
dc.date.accessioned2009-04-02T11:00:13Z
dc.date.available2009-04-02T11:00:13Z
dc.date.issued2008
dc.description.abstractA real time simulation model has been developed to investigate the effect of variable engine bleed on steady state and transient performance of a single-spool turbojet engine. The bleed air is to be used for flow control on the aerodynamic control surfaces of a tailless configur-ation such as the blended wing body aircraft. The engine simulation uses the inter-component volume method and runs in MATLAB/Simulink environment. Bleed effects were simulated both with and without the control of engine speed. Experimental data for the advanced micro turbine (AMT) Olympus single-spool turbojet engine was used to validate the simulation results. Under nominal bleed conditions, the results were accurate to within 5 per cent of experimental values. While for excessive engine bleeds the results were accurate to within 10 per cent. The effect of engine bleed location along the compressor length was also incorporated. A proportional + integral speed controller with slew rate limiting was implemented as an integral part of the model. The method presented here could be easily expanded for steady state and transient performance simulation of two and three spool turbojet/turbofan engines.en_UK
dc.identifier.citationN. U. Rahman, J. F. Whidborne; A numerical investigation into the effect of engine bleed on performance of a single-spool turbojet engine. Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, Volume 222, Number 7, 939-949, 2008en_UK
dc.identifier.issn0954-4100
dc.identifier.urihttp://dx.doi.org/10.1243/09544100JAERO389
dc.identifier.urihttp://hdl.handle.net/1826/3327
dc.language.isoenen_UK
dc.publisherProfessional Engineering Publishingen_UK
dc.subjectturbojet simulationen_UK
dc.subjectcomponent volume methoden_UK
dc.subjectbleed flowen_UK
dc.subjectengine performanceen_UK
dc.titleA numerical investigation into the effect of engine bleed on performance of a single-spool turbojet engine.en_UK
dc.typeArticleen_UK

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