Cooling water injector for after flame gas of fluid fuel rocket engine

摘要

PURPOSE: A coolant is provided to the center of a rear flow gas, and an injection angle is adjusted to efficiently mix the rear flow gas and coolant. CONSTITUTION: An injector for cooling rear flow gas is connected to a coolant supply portion(40) in one end and to a connection pipe(51) in the other end. A main pipe(53) is formed with a bent end. An expansion member is installed at the end of the main pipe to inject coolant. A distributor(52) is installed to supply coolant from the connection pipe to outside and inside of an inner pipe(53a).