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Practical Applications of a Building Method to Construct Aerodynamic Database of Guided Missile Using Wind Tunnel Test Data

  • Duk-hyun Kim
  • Hyoung-Jin Lee
Original Paper
  • 29 Downloads

Abstract

A study of efficient aerodynamic database modeling method was conducted. A creation of database using periodicity and symmetry characteristic of missile aerodynamic coefficient was investigated to minimize the number of wind tunnel test cases. In addition, studies of how to generate the aerodynamic database when the periodicity changes due to installation of protuberance and how to conduct a zero calibration were carried out. Depending on missile configurations, the required number of test cases changes and there exist tests that can be omitted. A database of aerodynamic on deflection angle of control surface can be constituted using phase shift. A validity of modeling method was demonstrated by confirming that the result which the aerodynamic coefficient calculated by using the modeling method was in agreement with wind tunnel test results.

Keywords

Guided missile Aerodynamic database Fourier series Wind tunnel test 

List of Symbols

\({\alpha }\)

Angle of attack (A.O.A)

\({\phi }\)

Bank angle

M

Mach number

xyz

Cartesian coordinate

\(C_z \)

Normal force coefficient

\(C_y \)

Side force coefficient

\(C_a\)

Axial force coefficient

\(C_m\)

Pitching moment coefficient

\(C_n\)

Yawing moment coefficient

\(C_l\)

Rolling moment coefficient

Subscripts

a

x coordinate axis direction

y

y coordinate axis direction

z

z coordinate axis direction

l

\((-)x\) rotation direction according to the right-hand rule

m

\((+)y\) rotation direction according to the right-hand rule

n

\((-)z\) rotation direction according to the right-hand rule

Notes

Acknowledgements

This research is financially supported by the National Research Foundation of Korea (NRF) Grant funded by the Korea Government (MIST) (No. 2017R1C1B5076748).

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Copyright information

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

Authors and Affiliations

  1. 1.Core Technology LabLIGNEX1SeongnamRepublic of Korea
  2. 2.Department of Aerospace EngineeringInha UniversityIncheonRepublic of Korea

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