透过NASA可靠性标准《火箭发动机试验台》,解析美国氢氧火箭发动机地面试验方法和试验流程,重点研究发动机技术项目的筛选、最终评审、综合评审和热点火试验对提高氢氧火箭发动机可靠性的意义,以期为我国氢氧火箭发动机可靠性技术的标准化、系统化和科学化提供借鉴。 Through the NASA reliability standard “Rocket Engine Test Bench”, the paper analyzes the ground test methods and test procedures of American hydrogen and oxygen rocket engines, and focuses on screening, final assessment, comprehensive assessment and hot-fire test of engine technology projects to improve the reliability of hydrogen-oxygen rocket engines The purpose of this paper is to provide reference for the standardization, systematization and scientification of the reliability technology of hydrogen-oxygen rocket engines in our country.