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Technical gazette, Vol. 25 No. 2, 2018.

Original scientific paper

https://doi.org/10.17559/TV-20161221140914

Comparison of Static Aerodynamic Data Obtained in Dynamic Wind Tunnel Tests and Numerical Simulation Research

Habib Belaidouni ; PhD applicant at Military Academy, University of Defence, Pavla Jurisica Sturma, No. 33, 11000, Belgrade, Serbia
Marija Đ. Samardžić ; Military Technical Institute, Ratka Resanovića, No. 1, 11000, Belgrade, Serbia
Damir D. Jerković orcid id orcid.org/0000-0001-5182-7057 ; University of Defence, Military Academy, Pavla Jurisica Sturma, No. 33, 11000, Belgrade, Serbia
Saša Živković ; Military Technical Institute, Ratka Resanovića, No. 1, 11000, Belgrade, Serbia
Zoran Rajić ; Military Technical Institute, Ratka Resanovića, No. 1, 11000, Belgrade, Serbia
Dušan Ćurčić ; Military Technical Institute, Ratka Resanovića, No. 1, 11000, Belgrade, Serbia
Aleksandar Kari ; University of Defence, Military Academy, Pavla Jurisica Sturma, No. 33, 11000, Belgrade, Serbia

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Abstract

The aerodynamic data obtained in the static and dynamic wind tunnel tests are presented in this paper. The tests are performed in the T-38 wind tunnel facility of the Military Technical Institute in Belgrade. Normal force and pitching moment in static and dynamic tests are measured using semiconductor five-component strain gauge balance. This specific five-component balance is dynamic derivative balance. Forced oscillation technique is used for the dynamic measurements applied in the T-38 wind tunnel. The wind tunnel data are compared with aerodynamic data determined using flow simulations with RANS (CFD) code and applied models of turbulence. The aerodynamic data calculated using semi-empirical prediction were the initial values for the numerical research. The experimental and numerical data are presented for the one standard missile model (Modified Basic Finner Model) for three flow regime Mach numbers.

Keywords

aerodynamic coefficients; internal balance; RANS CFD; semiconductor strain gauge; turbulent viscosity; wind tunnel

Hrčak ID:

199142

URI

https://hrcak.srce.hr/199142

Publication date:

21.4.2018.

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