Date du début: 1 juil. 2016,
Date de fin: 30 juin 2019,
...ustrialisation of Jet Noise Prediction Methods" (INSPiRE), addresses fully the scope outlined in Topic JTI-CS2-2015-CFP02-ENG-03-02 "Jet Noise Reduction Using Predictive Methods".Turbulence-resolving CFD coupled to efficient far-field integration methods is established as an accurate means for the prediction of isolated jet noise. The trend towards increasing fan diameters however leads to the gro ...
Date du début: 1 avr. 2016,
Date de fin: 31 mars 2019,
The proposed project, IMAGE, is relevant to Topic MG-1.10-2015, aiming to enhance the EU-China collaborative effort focusing on “Innovative methods and numerical technologies for airframe and engine noise reduction”. The project consortium consists of 12 partners.The purpose of IMAGE is to investigate experimentally and numerically innovative airframe and engine noise-reduction technologies and, i ...
Date du début: 1 nov. 2012,
Date de fin: 31 août 2017,
...acility at CEPRA19, applying advanced and improved measurement techniques such as far-field noise & near-field pressure measurements, combined with aerodynamic methods like PIV. In parallel, existing CFD-CAA simulation tools will be adapted and validated (or “used state-of-the-art” only), and the overall methodology to predict flight stream effects and complex interaction mechanisms for UHBR engin ...
Date du début: 1 oct. 2013,
Date de fin: 31 mai 2016,
As mentioned in the Executive Summary of the Strategic Research & Innovation Agenda, Aviation has an important role to play in reducing greenhouse gas emissions as well as noise and local air quality issues. The continuous increase of air passenger transport generates an increasing use of hydrocarbon fuel with excessive emission of CO2 and NOX (greenhouse gases, pollutants and noise). It is well k ...
Date du début: 1 oct. 2013,
Date de fin: 30 sept. 2015,
The aeronautical industry lacks confidence in the accuracy of computational fluid dynamics (CFD) in areas of highly non-linear, unsteady flows close to the flight envelope borders, which demands advanced approaches and methods. The family of Hybrid RANS-LES Methods (HRLM) is the best candidate for the next generation of CFD methods for increased fidelity at industrially-feasible expense. While HRL ...
Date du début: 1 avr. 2011,
Date de fin: 30 sept. 2013,
...rcraft, the majority of the drag occurs due to extensive flow separation around the fuselage and rotor hub. Such highly unsteady flows present significant challenges for computational fluid dynamics (CFD) techniques in terms of solution fidelity and computational expense.However, a new family of hybrid RANS/LES techniques addresses this conflict by mixing pure modelling (RANS) and partial resoluti ...
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