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一门3兄弟皆为航天院士 2人曾在国防科大任教

2017-04-25 09:05:39   国防科大

在这期间,他制订了一个详细的液体火箭发动机燃烧过程综合模型的理论和实验研究计划,提出了要研究的8个模型和4种计算方法,根据航天技术发展的需要,结合研究生的培养,逐步开展研究。这一计划,得到著名航天专家任新民的大力支持。

当时上海航天局801所正在研制用于331工程的发动机(后来成为了长征3号运载火箭的一级发动机FY-20),委托庄逢辰率领的团队完成该发动机燃烧室计算模型研究。他带领3位老师、5位研究生创立了液体推进剂高压蒸发和燃烧模型并得到实验验证。进一步研究成功自燃推进剂火箭发动机高压燃烧过程计算模型,减少了正在研制中的FY-20发动机的试车次数,缩短了研制周期,节省了研制经费,为我国331工程第一颗同步通信卫星(东方红2号)的及时成功发射作出了贡献。航天部上海航天局对这个项目研究成果组织了鉴定,认为该模型是国内最早提出的一项开创性模型,其中偏二甲肼和四氧化二氮高压蒸发模型在国际上首次提出。该项目获得了国家科技进步三等奖。

1985年、1987年,他们开展用于发射东方红3号卫星的FC-5远地点发动机采用不同推进剂的燃烧性能和高空比推力分析。研究结果为东方红3号卫星于1997年5月12日成功发射作出了贡献。

1988年,他们开展用于长三甲第3级的YF-75发动机燃烧室燃烧过程仿真计算和气氢液氧同轴式大流量喷嘴的理论和试验研究两个课题。同年,他还与上海航天局801所签订了液氧/烃推进剂燃烧问题研究的课题。

1993年,他带领大伙完成了我国自主研究成功的CAFILRE液体火箭发动机燃烧流场分析计算模型、以后又发展成YF-75发动机喷注器燃烧过程三维数值模拟软件,对YF-75发动机的燃烧过程进行计算,为设计人员准确了解燃烧室内部细节和正确选择设计参数提供重要的依据,受到设计人员的欢迎。

(这两个项目先后获军队科技进步一、二等奖)

为载人航天提供技术支撑

1991年庄逢辰被调到国防科工委指挥技术学院,但他仍是国防科大的兼职教授,后来又成为特聘教授,继续指导国防科技大学的博士生和科研工作。他的主要研究方向仍然是液体火箭发动机燃烧。

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