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Journal:   MODARES MECHANICAL ENGINEERING   JULY 2017 , Volume 17 , Number 4 ; Page(s) 431 To 442.
 
Paper: 

Numerical Investigation Of Lateral Jet Interaction Effects On Aerodynamic Behavior Of A Supersonic Projectile

 
 
Author(s):  Bozorgian Mohammad, Hadidoolabi Mustafa*, Tarabi Abbas
 
* MALEK ASHTAR UNIVERSITY OF TECHNOLOGY, TEHRAN, IRAN
 
Abstract: 
Lateral jet control systems are being considered as attractive alternatives to conventional control systems in recent years. In present study which is divided in two parts, the effects of lateral jet interaction with supersonic cross flow on aerodynamic behavior of a standard projectile at zero angle of attack has been studied numerically. In the first part, results of the effects of parameters such as jet location, Mach number and nozzle type on pressure coefficient drag coefficient drag force and pressure distribution on the fins are presented and analyzed. In the second part, longitudinal static and dynamic stability coefficients of the projectile in presence of lateral jet haves been achieved and evaluated according to the mentioned parameters. According to the results, jet location is the most effective parameter. In the first part, the pressure distribution on the fins is considerably dependent on jet location. Effect of Mach number on pressure coefficient, drag force and drag coefficient is also significant. Besides variation of the pressure distribution on the fins becomes more obvious at the final locations by variation of Mach number. In the second part, lateral jet effect leads to decreasing longitudinal static stability. Increasing the Mach number also results in decreasing longitudinal dynamic stability and jet displacement make nonlinear behavior over pitch damping moment coefficient, therefore choosing proper jet location is dependent on desired parameters of designer. According to the results, effect of nozzle type has been insignificant for all cases.
 
Keyword(s): LATERAL JET, INTERACTION, SUPERSONIC AERODYNAMIC, STABILITY, NOZZLE
 
 
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APA: Copy

BOZORGIAN, M., & HADIDOOLABI, M., & TARABI, A. (2017). NUMERICAL INVESTIGATION OF LATERAL JET INTERACTION EFFECTS ON AERODYNAMIC BEHAVIOR OF A SUPERSONIC PROJECTILE. MODARES MECHANICAL ENGINEERING, 17(4 ), 431-442. https://www.sid.ir/en/journal/ViewPaper.aspx?id=572842



Vancouver: Copy

BOZORGIAN MOHAMMAD, HADIDOOLABI MUSTAFA, TARABI ABBAS. NUMERICAL INVESTIGATION OF LATERAL JET INTERACTION EFFECTS ON AERODYNAMIC BEHAVIOR OF A SUPERSONIC PROJECTILE. MODARES MECHANICAL ENGINEERING. 2017 [cited 2022May23];17(4 ):431-442. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=572842



IEEE: Copy

BOZORGIAN, M., HADIDOOLABI, M., TARABI, A., 2017. NUMERICAL INVESTIGATION OF LATERAL JET INTERACTION EFFECTS ON AERODYNAMIC BEHAVIOR OF A SUPERSONIC PROJECTILE. MODARES MECHANICAL ENGINEERING, [online] 17(4 ), pp.431-442. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=572842.



 
 
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