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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Rousselot, S. Truffi, D. Doulgeris, G. Mistry, S. Pachidis, V. Pilidis, P. |
| Copyright Year | 2008 |
| Abstract | The need for low fuel consumption, emissions and noise drives future propulsion systems towards ultra high bypass ratio turbofan configurations. One of the arising challenges is the installation of such an engine, due to its high diameter. An alternative to under-the-wing podded installation is half embedding it into a thick wing. An ideal airframe has been found to be the Broad Delta (BD) wing, featuring high wing-root thickness. Two conventional nacelles have been integrated into each wing of a four-engine BD body. The performance of a half embedded turbofan intake has been studied, with the use of 3-D Computational Fluid Dynamics. This qualitative analysis comprises of full scale aircraft simulation with special focus on the flow-field upstream and inside the novel installation. The study required the creation of a detailed map of the intake for cruise and take-off flight conditions. The map comprises of radial pressure recovery profiles in various circumferential positions for enhanced representation of fan-inlet total pressure distortion. It is produced using a decoupled zooming process, where ‘matching’ between a 0-D gas turbine performance code and 3-D CFD is achieved for each operating point. |
| Sponsorship | International Gas Turbine Institute |
| Starting Page | 163 |
| Ending Page | 172 |
| Page Count | 10 |
| File Format | |
| ISBN | 9780791843116 |
| DOI | 10.1115/GT2008-51008 |
| e-ISBN | 0791838242 |
| Volume Number | Volume 1: Aircraft Engine; Ceramics; Coal, Biomass and Alternative Fuels; Manufacturing, Materials and Metallurgy; Microturbines and Small Turbomachinery |
| Conference Proceedings | ASME Turbo Expo 2008: Power for Land, Sea, and Air |
| Language | English |
| Publisher Date | 2008-06-09 |
| Publisher Place | Berlin, Germany |
| Access Restriction | Subscribed |
| Subject Keyword | Half-embedded Integration Computational fluid dynamics Intake Quasi 3-d Broad delta wing Map Turbofans Wings |
| Content Type | Text |
| Resource Type | Article |
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