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The similarities between the airplane and the missile extend beyond their flying capabilities, and at higher operational speeds, the configuration distinctions become even less apparent. " Missile Aerodynamics," a classic now available from AIAA and Nielsen Engineering and Research, Inc., combines the best of missile and airplane aerodynamics, drawing extensively from numerous technical papers to present a rational and unified account of the principles behind missile projection. Evaluate the missile versus the airplane in a multitude of areas, from longitudinal acceleration, wing loading, roll and dynamic stability, guidance and navigation, and more. J.N. Nielsen covers every aspect of missile aerodynamics, from the classification of missiles and basic formulas to innovative aerodynamic controls. In one reliable reference, readers will find hundreds of schematics, equations, and tables with practical applications in missile design and engineering. Originally published by Nielsen Engineering and Research, Inc.
The aerodynamic coefficients of the 7-cal. U.S. Army-Navy Spinner Rocket were characterized using computational fluid dynamic (CFD) calculations and validated using archival experimental data. The static aerodynamic coefficients, roll-damping, and pitch-damping moments were accurately predicted by steady-state Reynolds-averaged Navier-Stokes (RANS) as well as unsteady hybrid RANS/large-eddy simulation (LES) CFD. The Magnus moment was overpredicted in the subsonic and transonic regime. Unsteady RANS/LES computations did not improve the prediction of Magnus moment at the lower Mach numbers. Both steady-state RANS and unsteady RANS/LES simulations resulted in similar predictions of all aerodynamic coefficients. Distributions of Magnus moment along the projectile body showed that the largest difference in Magnus moment between configurations and Mach numbers was in the last caliber of the projectile body.
A research configuration was formed by attaching wraparound fins in a cruciform arrangement to a 10-caliber Army-Navy spinner projectile. This configuration was tested in a supersonic tunnel to get the Magnus force and moment, as well as the normal force and pitching moment. Model spin rate was generated by means of fin cant.
Since 1964 extensive and successful collaboration in a bomb dynamics program has continued between research organizations in Australia, the United Kingdom and the United States. Various aspects of this joint effort have been reported in separate reports: Part 1 treated the dynamics, aerodynamics and performance of free-fall weapons stabilized by fixed cruciform stabilizers. Part 2 gave a similar treatment of split-skirt stabilizers. Part 3 reviewed results obtained from the use of freely spinning panel stabilizers. This series of reports is concluded in the present document which discusses the task of the ballistician in light of the knowledge gained during the program and illustrates the application of the techniques derived to missile design. In addition, brief reference is made to a number of research projects which have stemmed from the original tripartite work.
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