Co-flow jet airfoil trade study part I

Energy consumption and aerodynamic efficiency

Alexis Lefebvre, GeCheng Zha

Research output: Chapter in Book/Report/Conference proceedingConference contribution

9 Citations (Scopus)

Abstract

This paper is the Part I of a parametric study on CFJ airfoils. A trade study is performed for a series of CFJ airfoils based on the NACA 23121 airfoil on the injection location, suction location, suction size, angle of attack (AoA), momuntum coefficient, airfoil thickness, Reynolds number and their resulting effects on the lift, drag, moment and energy consumption. The two dimensional flow is simulated using steady and unsteady Reynolds Average Navier-Stokes (RANS). A 5th order WENO scheme for the inviscid flux, a 4th order central differencing model for the viscous terms and the one equation Spalart-Allmaras turbulence model are used. The Mach number is 0.15 and Reynolds number is 6.4 × 106. CFJ airfoils are shown to be effective at increasing the lift and reducing the drag drastically. The jet location and the AoA are found to be influential parameters for the energy consumption and aerodynamic efficiency. The pitch-down moment and energy consumption are reduced when the suction is located more upstream. The lift and drag are improved when the suction is located more downstream. The pumping power decreases when the AoA is increased before the apparition of a recirculation region. When the AoA is further increased, the energy consumption is increased because of the increased jet total pressure losses due to the strong adverse pressure gradient and separated flow.

Original languageEnglish (US)
Title of host publication32nd AIAA Applied Aerodynamics Conference
PublisherAmerican Institute of Aeronautics and Astronautics Inc.
ISBN (Print)9781624102882
DOIs
StatePublished - Jan 1 2014
Externally publishedYes
Event32nd AIAA Applied Aerodynamics Conference 2014 - Atlanta, GA, United States
Duration: Jun 16 2014Jun 20 2014

Publication series

Name32nd AIAA Applied Aerodynamics Conference

Other

Other32nd AIAA Applied Aerodynamics Conference 2014
CountryUnited States
CityAtlanta, GA
Period6/16/146/20/14

Fingerprint

Airfoils
Aerodynamics
Angle of attack
Energy utilization
Drag
Reynolds number
Pressure gradient
Turbulence models
Mach number
Fluxes

ASJC Scopus subject areas

  • Aerospace Engineering
  • Mechanical Engineering

Cite this

Lefebvre, A., & Zha, G. (2014). Co-flow jet airfoil trade study part I: Energy consumption and aerodynamic efficiency. In 32nd AIAA Applied Aerodynamics Conference (32nd AIAA Applied Aerodynamics Conference). American Institute of Aeronautics and Astronautics Inc.. https://doi.org/10.2514/6.2014-2682

Co-flow jet airfoil trade study part I : Energy consumption and aerodynamic efficiency. / Lefebvre, Alexis; Zha, GeCheng.

32nd AIAA Applied Aerodynamics Conference. American Institute of Aeronautics and Astronautics Inc., 2014. (32nd AIAA Applied Aerodynamics Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Lefebvre, A & Zha, G 2014, Co-flow jet airfoil trade study part I: Energy consumption and aerodynamic efficiency. in 32nd AIAA Applied Aerodynamics Conference. 32nd AIAA Applied Aerodynamics Conference, American Institute of Aeronautics and Astronautics Inc., 32nd AIAA Applied Aerodynamics Conference 2014, Atlanta, GA, United States, 6/16/14. https://doi.org/10.2514/6.2014-2682
Lefebvre A, Zha G. Co-flow jet airfoil trade study part I: Energy consumption and aerodynamic efficiency. In 32nd AIAA Applied Aerodynamics Conference. American Institute of Aeronautics and Astronautics Inc. 2014. (32nd AIAA Applied Aerodynamics Conference). https://doi.org/10.2514/6.2014-2682
Lefebvre, Alexis ; Zha, GeCheng. / Co-flow jet airfoil trade study part I : Energy consumption and aerodynamic efficiency. 32nd AIAA Applied Aerodynamics Conference. American Institute of Aeronautics and Astronautics Inc., 2014. (32nd AIAA Applied Aerodynamics Conference).
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