Comparative Study on the Prediction of Aerodynamic Characteristics of Aircraft with Turbulence Models

  • Yujin Jang
  • Jinbum Huh
  • Namhun Lee
  • Seungsoo Lee
  • Youngmin Park
Original Paper


The RANS equations are widely used to analyze complex flows over aircraft. The equations require a turbulence model for turbulent flow analyses. A suitable turbulence must be selected for accurate predictions of aircraft aerodynamic characteristics. In this study, numerical analyses of three-dimensional aircraft are performed to compare the results of various turbulence models for the prediction of aircraft aerodynamic characteristics. A 3-D RANS solver, MSAPv, is used for the aerodynamic analysis. The four turbulence models compared are the Sparlart–Allmaras (SA) model, Coakley’s \(q-\omega \) model, Huang and Coakley’s \(k-\varepsilon \) model, and Menter’s \(k-\omega \) SST model. Four aircrafts are considered: an ARA-M100, DLR-F6 wing–body, DLR-F6 wing–body–nacelle–pylon from the second drag prediction workshop, and a high wing aircraft with nacelles. The CFD results are compared with experimental data and other published computational results. The details of separation patterns, shock positions, and \(C_{p}\) distributions are discussed to find the characteristics of the turbulence models.


Turbulence models Separation pattern Shock position Drag prediction 

List of symbols


Velocity component in the x direction


Velocity component in the y direction


Velocity component in the z direction

\(\rho \)





Lift coefficient


Drag coefficient

\(\hbox {Re}\)

Reynolds number

\(\alpha \)

Angle of attack

\(\eta \)

Normalized span location


Turbulent kinetic energy


Turbulent velocity scale

\(\omega \)

Specific dissipation rate



This work was supported by Korea Aerospace Research Institute (KARI) and Inha University.


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Copyright information

© The Korean Society for Aeronautical & Space Sciences and Springer Nature Singapore Pte Ltd. 2018

Authors and Affiliations

  • Yujin Jang
    • 1
  • Jinbum Huh
    • 2
  • Namhun Lee
    • 3
  • Seungsoo Lee
    • 4
  • Youngmin Park
    • 5
  1. 1.Hanwha Defense SystemChangwonRepublic of Korea
  2. 2.Electronic Warfare Research CenterGwangju Institute of Science and TechnologyGwangjuRepublic of Korea
  3. 3.Hanwha Defense SystemChangwonRepublic of Korea
  4. 4.Department of Aerospace EngineeringINHA UniversityIncheonRepublic of Korea
  5. 5.Korea Aerospace Research InstituteDaejeonRepublic of Korea

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