关键词: 液体推进剂火箭发动机;推力室;催化剂;分解;发动机试验

Abstract: In this paper a detailed description of the characteristic test of the catalytic decomposition thruster(or thrust chamber)using DT-3 monopropellant and the low-iridium catalyst is provided, in which groud test, altitude test, lowtemperature test, high-temperature test and the humidity test are included, and the results of above tests are presented, too.

Key words: Liquid rocket engine;Thrust chamber;Catalyst;Decomposition;Engine test