AERODYNAMIC SHAPE INVESTIGATION OF A SUPERSONIC MISSILE FLEXIBLE NOSE

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KHALGHANI ABBAS; DJAVARESHKIAN MOHAMMAD HASSAN; PASANDIDEH­ FARD MAHMUD

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Journal: Modares Mechanical Engineering Year:2016 | Volume:15 | Issue:10 Page(s): 32-40

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Title

AERODYNAMIC SHAPE INVESTIGATION OF A SUPERSONIC MISSILE FLEXIBLE NOSE

Author(s)

KHALGHANI ABBAS | DJAVARESHKIAN MOHAMMAD HASSAN | PASANDIDEH FARD MAHMUD | Issue Writer Certificate

Keywords

AERODYNAMICSQ2

DEFLECTABLE NOSEQ2

BODY FLEXUREQ2

MANEUVERABILITYQ2

FLIGHT DYNAMICQ1

Abstract

The aerodynamic characteristics of nine configurations of supersonic continuous DEFLECTABLE NOSE guided missiles have been investigated. Then the optimized geometry is achieved based on the MANEUVERABILITY from aerodynamic and FLIGHT DYNAMIC point of view. The studied configurations consist of a spherical nose tip, a tangent ogive, one set of stabilizing tail fins and a cylindrical body whose mid-section is flexible to form an arc of a circle. So the cylindrical body consists of a fixed part in the vicinity of nose, middle flexible part and main body with stabilizers. The effects of fixed length and flexible length parameters on the aerodynamic and FLIGHT DYNAMICs of guided missile have been studied. A code has been developed to solve full Navier-Stokes equations using finite volume and modified Baldwin-Lomax turbulence model. Multi-block technique is also used to solve main body and fin parts flow field. Further, a 3 degree of freedom code has been developed to compare planar FLIGHT DYNAMIC of missiles. It is found that missiles with bigger lengths for fix and flexible parts show more aerodynamic MANEUVERABILITY, but drag force grows concurrently. FLIGHT DYNAMIC analysis shows that drag effect is negligible and aerodynamic MANEUVERABILITY analysis is compatible with flight MANEUVERABILITY.

Cites

NOSE SHAPE EFFECT ON FLIGHT DYNAMICS OF SUPERSONIC GUIDED MISSILE WITH CONTINUOUS DEFLECTABLE NOSE

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APA: Copy

KHALGHANI, ABBAS, DJAVARESHKIAN, MOHAMMAD HASSAN, & PASANDIDEH FARD, MAHMUD. (2016). AERODYNAMIC SHAPE INVESTIGATION OF A SUPERSONIC MISSILE FLEXIBLE NOSE. MODARES MECHANICAL ENGINEERING, 15(10), 32-40. SID. https://sid.ir/paper/179620/en

Vancouver: Copy

KHALGHANI ABBAS, DJAVARESHKIAN MOHAMMAD HASSAN, PASANDIDEH FARD MAHMUD. AERODYNAMIC SHAPE INVESTIGATION OF A SUPERSONIC MISSILE FLEXIBLE NOSE. MODARES MECHANICAL ENGINEERING[Internet]. 2016;15(10):32-40. Available from: https://sid.ir/paper/179620/en

IEEE: Copy

ABBAS KHALGHANI, MOHAMMAD HASSAN DJAVARESHKIAN, and MAHMUD PASANDIDEH FARD, “AERODYNAMIC SHAPE INVESTIGATION OF A SUPERSONIC MISSILE FLEXIBLE NOSE,” MODARES MECHANICAL ENGINEERING, vol. 15, no. 10, pp. 32–40, 2016, [Online]. Available: https://sid.ir/paper/179620/en

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