Lift-drag ratio of a hypersonic waverider of delta planformстатья
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Аннотация:The effect of the aperture angle of a V-wing representing a waverider undersurface on the hypersonic waverider lift-drag ratio is investigated for two isoperimetric conditions. The calculation model for the aerodynamic loads on angular configurations makes allowance for viscous interaction on a certain range of flight and geometry parameters on which sthere is no separation of the boundary layer flow within the shock layer. It is shown that for given values of the lift coefficient and specific volume, the waverider with a V-wing-shaped undersurface can have a lift-drag ratio which considerably exceeds that of a waverider of delta planform with a plane undersurface.