Abstract
*† ‡ An innovative projectile design using body-conformal oblique wing/tails with smartstructure (actuator) control has been proposed to achieve an extended range without rocket assistance. This guided projectile would maintain the maximum lift-to-drag ratio throughout its gliding phase, from supersonic, through transonic, to subsonic gliding regimes. In the present work, intensive Navier-Stokes computations using the overset-grid approach have been performed to search for the optimal sweepback positions of the oblique wing for the given pairs of Mach numbers and the angles of attack in the supersonic and transonic gliding phases. With such an optimal deployment of the oblique wing, as shown in our preliminary two degrees-of-freedom trajectory analysis, it is feasible for the projectile to achieve the target 100 nm range without rocket assistance.
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