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- W2390684098 abstract "Wing-body vehicles may have very high lift-to-drag ratio and maneuverability,and the key issue for high L/D is the design of windward surface.Using Spline Lofting design process,the cross-section control points and the external vehicle geometry are defined,and the vehicle shape can be constructed rapidly,conveniently and accurately.A multiple objectives configuration optimization model for a wing-body is defined to maximum the lift-to-drag ratio,and the optimum layout is a vehicle with aft-sweeping negative dihedral wings.The correctness and the effectiveness corresponding engineering estimation method are validated by the comparison with ADDB and CFD result.The L/D performance,the location of the center of gravity,the lateral direction stability,the trajectory and the heat flux environments are discussed.The present work indicates that a vehicle with aft-sweeping negative dihedral wings can achieve very high lift-to-drag ratio at relative very small angle of attack,together with good stability,long gliding distance and loiter time,and this wing-body concept is worth to be investigated further as one of the potential choices for hypersonic maneuverable transporter." @default.
- W2390684098 created "2016-06-24" @default.
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- W2390684098 date "2008-01-01" @default.
- W2390684098 modified "2023-09-23" @default.
- W2390684098 title "Aerodynamic configuration conceptual design for a wing-body vehicle" @default.
- W2390684098 hasPublicationYear "2008" @default.
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