摘要:
A supersonic aircraft (900) comprises a fuselage (901), a wing (904), and a canard (920) coupled onto the fuselage (901) forward of the wing (904) at an elevated position that enables stretching forward of the aircraft lifting length, forming an effective area distribution and a shaped sonic boom signature.
摘要:
La présente invention concerne un dispositif d'atténuation du sillage tourbillonnaire créé dans la zone arrière d'un aéronef (100), l'aéronef présentant au moins une voilure (108) et un arrière corps (106) ayant une forte réduction de section asymétrique vers le haut du fuselage arrière (112). Le dispositif est positionné en aval de la voilure (108) de l'aéronef (100) de manière symétrique par rapport au plan longitudinal de l'aéronef. Le dispositif comprend des appendices aérodynamiques (200) générateurs de vortex aptes à être déployés entre une position repliée où les appendices aérodynamiques sont repliés sensiblement dans le sens du fuselage (110), aptes à passer d'une position repliée où ils sont repliés sensiblement dans le sens du fuselage (110), et une position déployée calculée pour générer des structures tourbillonnaires ayant une intensité et une trajectoire qui modifient le champ de pression local afin d'interagir avec le sillage tourbillonnaire pour l'atténuer et éloigner les tourbillons d'upsweep du plan longitudinal de l'aéronef (100).
摘要:
The invention relates to a subsonic plane (1) or flight simulator, actually or simulatedly comprising an elongate fuselage (2) with a cockpit (3) placed near a first, front end of the fuselage, two wings (5) disposed on opposite sides of the fuselage, provided with ailerons (4), and a tail (6) located near a second, rear end of the fuselage, which is provided with an elevator (7) and a rudder (8). The fuselage is furthermore provided with at least one adjustable fuselage control surface (9) for controlling the plane. The fuselage control surface is adjustable between a neutral rest position and at least one working position in which the fuselage control surface extends away from the fuselage.
摘要:
Refueling devices for use in in-flight refueling operation are provided, including a body configured for being towed by a tanker aircraft and having a boom member that has a fuel delivery nozzle, a spatial control system and a longitudinal control system. The longitudinal displacement control system includes at least one panel element defining a front panel projected area orthogonal to a body longitudinal axis, each panel element being controllably and reversibly deployable incrementally to each one of a plurality of successive deployed positions between a fully retracted position and a fully deployed position, to provide a respective reversible incrementally increasing aft force to the refueling device at least during the in-flight refueling operation.
摘要:
An aircraft comprising a device for influencing the directional stability of the aircraft, which aircraft comprises: a control-input device; a flight control device; a sensor device for acquiring the rotation rates including the yaw rates, of the aircraft; - wherein the aircraft comprises two tail-mounted flaps (K1, K2), each comprising an actuator that is functionally connected with the flight control device, which tail-mounted flaps (K1, K2) are situated symmetrically to each other in relation to the vertical axis and on opposite sides of the fuselage and are movable between a retracted and an extended position, - wherein the control function is designed in such a manner that the adjusting commands that are generated on the basis of the control commands depending on the acquired rotation rates comprise adjusting commands to the actuators of the tail-mounted flaps (K1, K2) for their actuation, as well as a method for influencing the directional stability of the aircraft (F).
摘要:
The invention concerns an apparatus for and a method of producing aerodynamic resistance on an aircraft, comprising at least one braking flap (10), wherein the at least one braking flap can be extended into the airflow around the aircraft. In accordance with the invention at least one braking flap is arranged on the fuselage (12) of the aircraft in a region over the wings of the aircraft (4).
摘要:
A 2-D correction system uses intermittent deployment of aerodynamic surfaces (18) to control a spin or fin stabilized projectile (10) in flight; correcting both crossrange and downrange impact errors. Intermittent surface deployment develops rotational moments, which create body lift that nudge the projectile (10) in two-dimensions to correct the projectile (10) in its ballistic trajectory. In low spin rate projectiles ("fin stabilized"), the rotational moment directly produces the body lift that moves the projectile (10). In high spin rate projectiles ("spin stabilized"), the rotational moment creates a much larger orthogonal precession that in turn produces the body lift that moves the projectile (10). The aerodynamic surfaces are suitably deployed over multiple partial roll cycles at precise on (deployed) and off (stowed) positions in the cycle to nudge the projectile (10) up or down range or left or right cross range until the desired ballistic trajectory is restored.