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Assessment of the performance potential for a two-pass cross flow intercooler for aero engine applications
Chalmers University of Technology, Sweden. (SOFIA - Simulation and Optimisation for Future Industrial Applications)
Chalmers University of Technology, Sweden.
Rolls-Royce Defence Aerospace Bristol, United Kingdom. (SOFIA)ORCID iD: 0000-0002-8466-356X
2013 (English)Conference paper, Published paper (Refereed)
Abstract [en]

Intercoolers have recently received a considerable attention as a means to improve aero engine efficiency. Intercoolers have the potential to improve engine SFC, ease the design of an efficient turbine cooling system by reducing compressor exit temperatures and hence cooling air temperatures, as well as reducing NOx emissions. Intercooling may also provide benefits by increasing the specific output of the engine core and therefore reduce total engine weight. The performance potential for a two-pass cross flow intercooler has been estimated through an analysis of a long range mission for a geared turbofan engine. The application of a set of CFD based correlations allows the simultaneous coupled optimization of the intercooler conceptual design parameters and the engine design. The coolant air for the intercooler is ejected through a separate variable exhaust nozzle which is used to optimize the engine performance in cruise. By comparing the optimized intercooled geared engine with an optimized advanced non-intercooled geared engine, a reduction of 4.8% fuel burn is observed.

Place, publisher, year, edition, pages
2013.
National Category
Aerospace Engineering
Research subject
Energy- and Environmental Engineering
Identifiers
URN: urn:nbn:se:mdh:diva-43168OAI: oai:DiVA.org:mdh-43168DiVA, id: diva2:1305965
Conference
International Society for Airbreathing Engines, ISABE, Busan, South Korea, 2013, ISABE-2013-1215
Available from: 2019-04-21 Created: 2019-04-21 Last updated: 2019-06-03Bibliographically approved

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Kyprianidis, Konstantinos

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Citation style
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  • de-DE
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  • asciidoc
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