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Communication Dans Un Congrès Année : 2018

Method Comparison for Fan Performance in Short Intake Nacelle

Résumé

In order to evaluate the strong aerodynamic interactions between the secondary fan/OGV stage with the airframe engine integration system, and the ability of numerical methods to assess these interactions, several numerical methods have been tested. They range from RANS computation where the engine is modelled using simplified Boundary Conditions to full 360° URANS computations including the rotating fan blades. Intermediate methods such as Body-Force and Actuator Disk approaches have also been assessed. Computations were carried out on a generic configuration designed in the frame of the European ASPIRE project. The nacelle, short air intake and nozzle were designed by Airbus, the fan/OGV stage by DLR based on specifications provided by Airbus. This paper aims at presenting those results, including a grid convergence study, and at detailing the advantages and drawbacks of each method for two operating conditions: in cruise and at low speed.
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Dates et versions

hal-01924066 , version 1 (14-04-2021)

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Alan Burlot, Fulvio Sartor, Maxime Vergez, Michaël Méheut, Raphaël Barrier. Method Comparison for Fan Performance in Short Intake Nacelle. 2018 Applied Aerodynamics Conference, Jun 2018, Atlanta, GA, United States. pp.4204, ⟨10.2514/6.2018-4204⟩. ⟨hal-01924066⟩
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