| 摘要 |
PURPOSE:To boost propellant to a high pressure without using a subcombustor by reheating a part of the propellant heated by the heat of a combustor by using a heat exchange means in a nozzle part. CONSTITUTION:The liquid hydrogen as fuel and liquid oxygen as oxidizer are pressurized to each high pressure by boosters 3 and 4. The total quantity of the pressurized liquid hydrogen is allowed to pass through a cooling jacket in a combustion chamber and cools a combustor 6. Therefore, propellant 1 is heated, and almost all parts of the hydrogen is combusted in the combustor 6, and jetted in gas form. While, after passing through the cooling jacket 7 in the combustion chamber, a part of the hydrogen is introduced into a high expansion nozzle cooling jacket 9 for cooling a high expansion nozzle8 and heated to obtain an increased pressure. Therefore, the driven with a sufficient output is permitted by providing the energy of the hidrogen gas at high temperature into the driving device 5 of the booster.
|
