Accession Number : ADA307209

Title :   Techniques for Determining Missile Roll Parameters from a Wind Tunnel,

Corporate Author : DEFENSE INTELLIGENCE AGENCY REDSTONE ARSENAL AL MISSILE AND SPACE INTELLIGENC E CENTER

Personal Author(s) : Wincey, Ronald T.

PDF Url : ADA307209

Report Date : OCT 1995

Pagination or Media Count : 34

Abstract : A collection of the most prominent wind tunnel test techniques for determining missile aerodynamic roll parameters is presented. Both free-spin, and constrained-spin techniques are Presented along with each techniques' advantages and disadvantages. Special consideration is given to showing how the model bearing friction can be automatically cancelled from the roll balance measurement by an internal electric spin-motor. This technique alleviates the need for special bearing-friction tare measurements.

Descriptors :   *DAMPING, *WIND TUNNEL TESTS, AERODYNAMIC CONFIGURATIONS, MATHEMATICAL MODELS, COMPUTERIZED SIMULATION, GUIDED MISSILES, ROLL, EQUATIONS OF MOTION, AERODYNAMIC STABILITY, STATIC LOADS, BEARING(DIRECTION), MOMENTS, ANGLE OF ATTACK, CORRELATION, LEAST SQUARES METHOD, AERODYNAMIC LOADING, SPINNING(MOTION), BEARINGS, TORQUE, SKIN FRICTION, AERODYNAMICS, SUBSONIC FLIGHT, FREE FLIGHT, CURVE FITTING.

Subject Categories : Guided Missile Dynam, Config & Cntrl Surfaces

Distribution Statement : APPROVED FOR PUBLIC RELEASE