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The green light lit the development of the space launcher & # 39; Nuriho & # 39; which will be made with pure technology. The Ministry of Science and Technology (MOGAHA) announced that a single-stage test vehicle intended to verify the performance of the clbad 75 engine used for the Nuri had been successfully fired at the center Goheung NARO spacecraft, in South Jeolla Province, As planned, the launch of Nuriho in 2021 was overcome.
The test launcher, which began counting down from 3:50 pm 10 minutes before launch, was launched in the air at 4:00 pm. The engine burn time was 151 seconds, exceeding the 140-second minimum target set by the Ministry of Information and Communication, which will determine success. The test vehicle flew for 10 minutes and fell on the high seas southeast of Jeju Island. The Ministry of Information and Communication (MIC) and the Korean Institute of Aerospace Research (Woo-yun Han) plan to collect detailed data for the development of Nuri from here to this launch .
A company official said: "The flying distance and the altitude of the test shots are likely to change depending on the weather conditions." What is more important than the figures revealed immediately, is to obtain the test data necessary for the development of Nuri. "
The launch of the test was an unusual thing in the development of a joint project, but it took into account the lack of experience in domestic development. The intention is to experiment with the actual flight conditions. Originally, it was to last 25 days, but the schedule was delayed due to abnormal pressure in the "propellant pressurization system" that injects the fuel and the oxidant from the tank into the engine there 10 days ago. The advanced countries of aerospace science where experience is accumulated are replaced by ground-based combustion tests only.
Nuri only develops with pure home technology and calls it "Korean launch vehicle". It is a 3-stage launcher capable of placing a practical clbad 1.5t clbad-rated satellite in a low orbit at 600 to 800 km altitude. Five 75-ton engines are installed. When the Nuriho will be successfully developed, it will be possible to film large clbad 5t satellites by grouping the clbad 75 engine here. The water supplied to the engine means the force that can lift the weight.
Although the government plans to launch Nuri successfully in February and October 2021, much remains to be done before launching its own satellite. The government will send a first test satellite to the projectile for next year to improve launcher reliability and launch a next-generation satellite (verification satellite) in 2023. The next generation of small satellites will be launched in 2024.
"If Nuri is successfully launched in 2021, it will be the first gateway into the advanced industrial space industry," said Professor Roh Tae-seong, a professor of aerospace engineering. "It is significant that the securing of the projectile production technology opens the possibility of securing future food by placing it on the exclusive market of the advanced countries' space industry," and "it can launch the spy satellite that does not even send the allies, even independently ", There is also the sense of achieving the defense. "
Cho Hyo-suk reporter [email protected]
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