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http://dx.doi.org/10.9766/KIMST.2017.20.3.393

A Study on the Effects of Side Jets to the Longitudinal Aerodynamics of Subsonic Missile  

GO, Beom Yong (The 1st Research and Development Institute, Agency for Defense Development)
HUR, Ki Hoon (The 1st Research and Development Institute, Agency for Defense Development)
Publication Information
Journal of the Korea Institute of Military Science and Technology / v.20, no.3, 2017 , pp. 393-404 More about this Journal
Abstract
Side jet effect on the aerodynamic characteristics of a missile was investigated using experimental and computational methods. A couple of side jets were injected toward outward downstream at mid point of missile body. Cold air jet was used in the wind tunnel test, and cold and hot jet were used in the computation. Wind tunnel test was carried out with jet and without jet, and calculation was performed for three cases ; no jet, cold air jet, and hot mixture gas jet. From the comparison of measured and calculated data for all cases, two points could be deduced. Firstly, side jet made static stability to be unstable by increasing body normal force near the side jet exit and by decreasing tail normal force. Secondly, hot mixture gas had more significant effect on the static stability of a missile-type body than cold air jet.
Keywords
Side Jet; Wind Tunnel Test; Computational Fluid Dynamics; Longitudinal Aerodynamics;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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