Dual-fuselage multipurpose launch vehicle aerodynamic configuration with high aspect ratio support wings

Abstract

The invention discloses an aerodynamic configuration of a dual-fuselage multipurpose carrier aircraft with a high aspect ratio support wing, belonging to the technical field of aerodynamic configuration design of the aircraft. Includes engine, main wing, engine attachment, fuselage, support wing, payload, payload attachment, v-tail, tail support and support wing tip attachment. A support wing configuration is combine with a two-fuselage configuration, the aspect ratio of the main wing is greater than 35, the engine has two, each engine has a fuselage directly beneath it, each fuselage has a supporting wing symmetrically arranged on the left and right sides, when the fuselage is in the horizontal position, the leading edge of the supporting wing and the trailing edge of the main wing in thehorizontal direction coincide length in the chord length direction is 0% of the chord length of the main wing at the position 40%. A support wing is arrange below that trailing edge of the main wingto carry out the support layout, the structural rigidity of the main wing is increased, the adverse interference between the support wing and the main wing is reduce, and different payloads can be mounted.

Description

technical field [0001] The invention belongs to the technical field of aircraft aerodynamic layout design, and in particular relates to an aerodynamic layout of a large-aspect-ratio support-wing dual-fuselage multi-purpose carrier aircraft. Background technique [0002] The wings of an aircraft often bear the distributed load formed by the entire weight of the aircraft, so a certain amount of deformation will occur. The wings of the aircraft with large aspect ratio are larger, and the deformation of the wings is more serious. When encountering a gust of wind or making a pitch attitude control, the large-aspect-ratio wing with large deformation may produce elastic swings that affect flight safety. The aspect ratio of the wing should not be too large under the existing material technology level. However, it is known from technical common sense that the larger the aspect ratio of the wing, the higher the cruise lift-to-drag ratio of the aircraft, and increasing the aspect rat...

AI Technical Summary

Problems solved by technology

However, the support wing and the wing will form adverse aerodynamic interference between the wings and reduce the aerodynamic efficiency. If the adverse aerodynamic interference can be reduced, the lift-to-drag ratio can be further increased

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