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    • 2. 发明申请
    • THRUSTER WITH ELECTRO-THERMAL THRUST AUGMENTATION
    • 推力器与电热推力增强
    • WO2005054674A3
    • 2005-08-04
    • PCT/IL2004001108
    • 2004-12-06
    • RAFAEL ARMAMENT DEV AUTHORITYOREN AHARON
    • OREN AHARON
    • B64G20060101F03H20060101F03H1/00
    • B64G1/406F02K9/42F02K9/60F02K9/68F05D2260/20F05D2300/21
    • A thruster (100) for exo-atmospheric vehicles with electro-thermal thrust augmentation and having internally embedded heating elements for direct contact heating of gaseous products released by a propellant (11), particularly hydrazine, so as to increase the Specific Impulse (Isp) of the thruster. The electrical heating elements (44, 81, 82,144, 244) are resistant to hydrazine products. The thruster is configured as a closed sealed chamber (10) divided into a decomposition section (20) upstream and a heating section (40) downstream. At least one heating element is disposed in the heating section, directly in a mixture (46) catalyst (15) forming a porous bed, or within a concentric ceramic tube (83) operative as a heat exchanger, to heat the gaseous products by direct contact. The heater indirectly heats the catalyst (15) in the decomposition section and directly heats the heating section. The thruster is operable both in space and at sea-level gravity and barometric pressure.
    • 一种用于具有电热推力增强并具有用于直接接触加热由推进剂(11)释放的气体产物(特别是肼)的加热元件以增加比冲量(Isp)的外部大气车辆的推进器(100) 的推进器。 电加热元件(44,81,82,144,244)耐肼产品。 推进器构造为分成上游的分解部分(20)和下游的加热部分(40)的封闭密封室(10)。 至少一个加热元件直接位于形成多孔床的混合物(46)催化剂(15)中或位于作为热交换器的同心陶瓷管(83)内,以直接加热气体产物 联系。 加热器间接加热分解部分中的催化剂(15)并直接加热加热部分。 推进器可在空间和海平面重力和大气压力下运行。