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欧洲空间局的阿里安1运载火箭在法属圭亚那的库鲁发射场已进行了五次发射. 第一次发射在1979年12月24日,试飞完全成功.第二次发射在1980年5月23日,这次发射本想将两颗科学卫星送上同步轨道,但由于火箭一级发动机发生高频振荡燃烧,起飞后108秒自毁,火箭及两颗卫星坠入大西洋.为了解决一级发动机的燃烧不稳定性,SEP欧洲动力公司于1980年7月至1981年4月共进行了142次发动机点火试验,使用了63种不同的喷
The Aryan 1 launch vehicle of the European Space Agency conducted five launches at the Kourou launch site in French Guiana and the first launch was completely successful on December 24, 1979. The second launch was in May 1980 On the 23rd, the launch was supposed to put two scientific satellites on orbit, but due to the high-frequency oscillating combustion of a rocket-level engine that took 108 seconds after take-off, the rocket and two satellites crashed into the Atlantic. Engine combustion instability, SEP European Power Company conducted a total of 142 engine ignition tests from July 1980 to April 1981, using 63 different spray