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    • 52. 发明授权
    • Reducing skin friction drag
    • 降低皮肤摩擦阻力
    • US06532728B1
    • 2003-03-18
    • US09693586
    • 2000-10-20
    • Christopher Paul GoyneRaymond John StalkerAllan Paull
    • Christopher Paul GoyneRaymond John StalkerAllan Paull
    • B63H1100
    • F02K7/14
    • The skin friction drag acting on a surface of an article travelling at high speed such as a vehicle at supersonic or particularly hypersonic speed can be reduced by introducing a fuel into the boundary layer under conditions of the fuel introduction to ensure combustion in the boundary layer. The fuel is injected through orifice(s) or a slot provided at the surface so that the fuel enters the passing fluid with a major component of the direction of injection being parallel to the local flow direction. The fuel is injected at supersonic speed, e.g. at a speed of about Mach 1.5 or higher. The invention is applicable to scramjet engines with the fuel being injected around the entire internal circumference of the wall of the scramjet engine, upstream of the commencement of the combustion chamber.
    • 通过在燃料引入的条件下将燃料引入边界层中以确保边界层中的燃烧,可以减少作用在高速行驶的物品的表面上的皮肤摩擦阻力,例如车辆如超音速或特别是超音速。 燃料通过孔或设置在表面处的槽注入,使得燃料进入通过的流体,其中注射方向的主要成分平行于局部流动方向。 燃料以超音速喷射,例如, 速度约为1.5马赫或更高。 本发明可应用于在燃烧室开始之前燃料喷射在冲击式发动机的壁的整个内圆周周围的冲击式发动机。
    • 53. 发明授权
    • Gas gun launched scramjet test projectile
    • 燃气枪推出了射速测试射弹
    • US5485787A
    • 1996-01-23
    • US264207
    • 1994-06-21
    • Kevin G. BowcuttHarry Shortland
    • Kevin G. BowcuttHarry Shortland
    • F41A1/04F02K7/10F02K7/14F42B12/36F42B14/08F42B15/00
    • F02K7/14F02K7/10F42B15/00
    • A gas gun-launched, propulsion-assisted scramjet projectile adapted to be fired from a gun, preferably at velocities greater than Mach 5, includes a body with an external compression section, an internal compression section, a combustion section, a nozzle section, and means for channeling ambient fluid to an engine in one of the sections of the body, the channeling means and the body cooperating with the engine to produce thrust greater than drag when the projectile travels at velocities greater than Mach 5. The projectile further includes a plurality of circumferentially spaced stabilization fins located at the nozzle region of the body and a sabot assembly releasably secured to the rear portion of the body, where the sabot assembly includes a plurality of elements joined together about the body rear portion to form a housing for protecting the body rear portion from explosive gases in the barrel of the gun.
    • 一种气枪发射的推进辅助冲击射弹,适于从枪射出,优选速度大于5马赫,包括具有外部压缩部分,内部压缩部分,燃烧部分,喷嘴部分和 用于将环境流体引导到身体,引导装置和与发动机配合的主体中的一个部分中的发动机的装置,以在弹丸以大于5马赫的速度行进时产生大于阻力的推力。射弹还包括多个 位于主体的喷嘴区域处的周向间隔开的稳定翼片,以及可释放地固定到主体后部的破坏组件,其中膛体组件包括围绕主体后部部分连接在一起的多个元件,以形成用于保护 枪身后部爆炸性气体的身体后部。
    • 60. 发明公开
    • Gas gun launched scramjet test projectile
    • 从与超音速燃烧冲压操作的气体枪完成飞行测试体包括
    • EP0693668A2
    • 1996-01-24
    • EP95109477.0
    • 1995-06-19
    • ROCKWELL INTERNATIONAL CORPORATION
    • Bowcutt, Kevin G.Shortland, Harry
    • F42B15/00F02K7/10
    • F02K7/14F02K7/10F42B15/00
    • A gas gun-launched, propulsion-assisted scramjet projectile adapted to be fired from a gun, preferably at velocities greater than Mach 5, includes a body with an external compression section, an internal compression section, a combustion section, a nozzle section, and means for channeling ambient fluid to an engine in one of the sections of the body, the channeling means and the body cooperating with the engine to produce thrust greater than drag when the projectile travels at velocities greater than Mach 5. The projectile further includes a plurality of circumferentially spaced stabilization fins located at the nozzle region of the body and a sabot assembly releasably secured to the rear portion of the body, where the sabot assembly includes a plurality of elements joined together about the body rear portion to form a housing for protecting the body rear portion from explosive gases in the barrel of the gun.
    • 一种气体枪发射,推进辅助冲压发动机抛射angepasst从枪发射,优选在比速度马赫5时,包括具有在内部压缩部分,燃烧区段,一个喷嘴部的外部压缩部的主体,和 装置,用于在所述主体的所述部分中的一个引导环境流体在发动机中,窜手段和所述主体与发动机相配合以产生比拖动当弹丸在行进速度大于马赫5.射弹进一步包括多个推力更大的 的周向隔开的位于所述主体的喷嘴区域和可释放地固定到所述主体,其中,所述木鞋组件包括围绕本体后部连接在一起的元件的多元化,以形成壳体,用于保护的后部的木鞋组件稳定鳍 从在枪的筒体爆炸性气体本体后部。