Yu Dengyun

Yu Dengyun ( Chinese  于 登 雲  /  于 登 云 , Pinyin Yú Dēngyún , born November 1961 in Suining , Hunan Province ) is a Chinese aerospace engineer. He is vice chairman of the board of directors of the China Aerospace Science and Technology Corporation and assistant technical director of the lunar program of the People's Republic of China .

Youth and Studies

Yu Dengyun was established in November 1961 in the then People's Commune Lixiqiao (李熙桥公社, since 1984 large village Lixiqiao) in District Suining prefecture-level city Shaoyang born in the southeastern province of Hunan. His parents were simple farmers. In 1975, Yu Dengyun dropped out of high school at the age of 13 and instead worked as an accountant for his production group (生产 队) in the People's Commune. After the end of the Cultural Revolution in 1976 and the reintroduction of the Abitur exams in the following year, he began to familiarize himself with the high school curriculum in addition to working with the help of school books. In 1979 he passed the entrance examination for the upper level at the 1st district high school in Suining, where he graduated from high school in 1981 as the best in the entire district. In the same year he enrolled in the Faculty of Mechanical and Electrical Engineering of what was then the Central China Polytechnic (华中 工学院) in Wuhan , today's University of Science and Technology in Central China . Yu Dengyun later moved to the Faculty of Mechanics , where he received his intermediate diploma in 1985. He then went to the Harbin Polytechnic University , where he graduated in 1988 from the Faculty of Space Technology (航天 学院) with a thesis in the field of solid mechanics .

Space Technology Academy

Right after graduating, Yu Dengyun went to the Ministry of Aerospace Industry , which was formed in April of that year by merging the Ministry of Aerospace Industry with the Ministry of Space Industry. Contrary to what the name suggests, this institution was not a ministry in the usual sense, but a corporation, albeit not a profit-making one, with factories and research facilities spread across the country. Yu Dengyun came to the Chinese Academy for Space Technology and was initially employed in the then main development department (北京 空间 飞行器 总体设计 部, also known as "Research Institute 501"), where he had already applied in early 1987.

Yu Dengyun quickly made a career in the development department. In 1994 he was appointed assistant laboratory manager and tasked with designing the coupling mechanism at the front end of the orbital module for the Shenzhou spaceship. In the manned space program of the People's Republic of China passed on September 21, 1992, there was already talk of a space laboratory and a space station. About half of the engineers involved in the preliminary planning at that time wanted to build a simple spaceship without an orbital module for safety reasons, but in the end those who - unlike the Soyuz spaceship - after the return of the team in orbit to the module remaining in orbit prevailed Wanted to practice coupling maneuvers.

In 1995, Yu Dengyun was promoted out of turn to the science council with the rank of professor (研究员) - in addition to its role as a spacecraft manufacturer, the Chinese Academy of Space Technology also functions as a regular teaching facility with the right to award academic degrees. In July 1998, Yu Dengyun was appointed by the National Defense Commission for Science, Technology and Industry as head of the expert commission, which has to decide on the feasibility and eligibility of the space projects proposed for funding from the 863 program . At the same time, he was still working as a developer at the company, for example from April 2001 on the Dong Fang Hong 4 satellite bus . However, he soon rose to the management of the company, first becoming assistant to the director, then deputy director of the academy. Finally, on February 4, 2004, he was appointed managing director by the board of directors of Dong Fang Hong Satellites GmbH (航天 东方 红 卫星 有限公司), a subsidiary of the Chinese Academy for Space Technology, which is responsible, among other things, for the manufacture of DFH buses.

After being appointed to the National Space Agency (see below), Yu Dengyun joined the Science and Technology Commission (科学 技术 委员会) at China Aerospace Science and Technology Corporation , the parent company of the Space Technology Academy, in March 2008 . Ge Yujun (葛玉君, * 1966) took over his position as managing director of Dong Fang Hong GmbH. The Science and Technology Commission corresponds to the board of directors of China's state-owned technology companies . During the company's internal “evidence procedure” (论证), it has to decide on the feasibility, financial feasibility and future potential of projects proposed by the departments before further preliminary studies are approved - which are again assessed - and finally - in the case of the CASC - with the national authority for science, technology and industry in the national defense or the department for weapons development of the Central Military Commission funding applications are made. In this capacity, Yu Dengyun oversaw the development of the high-resolution Earth observation satellite Gaofen 4 , which was built by the Chinese Academy for Space Technology on the basis of a satellite bus from the Shanghai Academy for Space Technology , another subsidiary of CASC, from 2012 onwards . As of 2020, Yu on the Group's supervisory board is responsible for the deep-space missions currently being planned, i.e. the flyby of a Jupiter moon, the mission to the near-Earth asteroid (469219) Kamo'oalewa and the main belt comet (7968) Elst-Pizarro as well as the exploration of the heliopause .

Lunar program

In 2008, Yu Dengyun was appointed Deputy Technical Director of the People's Republic of China Lunar Program at the Center for Lunar Exploration and Space Projects by the National Space Agency of China . One year earlier, on October 24, 2007, the moon orbiter Chang'e-1 , based on the DFH-3 bus , took off. Now it was a matter of implementing the further steps of the lunar program, with the second orbiter Chang'e-2 in 2010, the landing of Chang'e-3 on the moon in 2013 and the test mission Chang'e 5-T1 in 2014 for a return probe . On January 3, 2019, the National Space Agency landed Chang'e-4 on the far side of the moon for the first time in human history. Yu Dengyun was awarded the World Space Award on June 11, 2020 by the International Astronautical Federation together with Wu Weiren , the technical director of the lunar program, and Sun Zezhou , the probe's chief designer .

In addition to landing with the support of the Elsternbrücke relay satellite previously parked in a halo orbit around the Lagrange point L _2, i.e. the direct engineering aspect, the Chang'e-4 landers and rovers also made scientific discoveries that were necessary for the planning of further missions from Meaning are. For example, after evaluating the data from the ground penetrating radar from Jadehase 2, it was found that at the landing site of Chang'e-4 there was only loose sand and rubble down to a depth of at least 40 m , i.e. no suitable terrain for a lunar base Laying radiation protection grounds under the surface, as was planned in January 2020. In addition, measurements with a thermometer on the land showed that the nights at this location are up to –196 ° C colder than the previously assumed –180 ° C.

Web links

• Works by Yu Dengyun in the National Library of China (Chinese)

Individual evidence

1. ↑ ^{a b} 嫦娥 四号 任务 团队 优秀 代表 首 获 国际 宇航 联合会 世界 航天 最高 奖. In: tech.sina.com.cn. June 11, 2020, accessed August 10, 2020 (Chinese). 
2. ↑ ^{a b c} 黄荣华: 校友 于 登 云 受到 习 总书记 会见. In: snyzedu.com. February 25, 2019, accessed August 11, 2020 (Chinese). 
3. ↑ 中国 航天 系统 的 机构 组成 名录. In: spaceflightfans.cn. Retrieved March 18, 2020 (Chinese). 
4. ↑ 组织 机构. In: cast.cn. Retrieved December 27, 2019 (Chinese). 
5. ↑ 陈兆 根: 东方 红 公司 调整 领导 班子 于 登 云 任 总经理 谋划 新 发展. In: spacechina.com. February 4, 2004, accessed August 12, 2020 (Chinese). 
6. ↑ 姚天宇: 航天 科技 集团 深度 参与 第 65 届 国际 宇航 大会 表现 抢眼. In: spacechina.com. October 10, 2014, accessed August 12, 2020 (Chinese). 
7. ↑ 个人 简介 葛玉君. In: vip.stock.finance.sina.com.cn. August 13, 2020, accessed August 13, 2020 (Chinese). 
8. ↑ 我国 首颗 地球 静止 轨道 高分辨率 对 地 观测 卫星 如何 诞生？ In: cnsa.gov.cn. January 4, 2016, accessed August 12, 2020 (Chinese). 
9. ^ Gunter Dirk Krebs: Gaofen 4 (GF 4). In: space.skyrocket.de. Retrieved on August 12, 2020 . 
10. ↑ ^{a b c} 倪伟: 专访 于 登 云 ： 获 世界 航天 奖 是 因 “到 了 人类 没 去过 的 地方”. In: news.sina.cn. June 24, 2020, accessed August 11, 2020 (Chinese). 
11. ↑ 2020 IAF Award Recipients. In: iafastro.org. Accessed August 10, 2020 (English). 
12. ↑ 周 雁: 陈善 广 ： 人 因 工程 助力 太空 “一带 一路”. In: cmse.gov.cn. January 2, 2020, accessed August 12, 2020 (Chinese). 

Note: This article places the family name before the person's first name. This is the usual order in Chinese. Yu is the family name here, Dengyun is the first name.