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January 20th, 2020 at 12:48 pm

China makes major breakthrough in space propulsion technology

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The 20-kW Hall thruster in operation at a laboratory of the China Aerospace Science and Technology Corporation

 China has made a major breakthrough in the development of the Hall-effect thruster (HET), an important space propulsion technology.

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Researchers from the China Aerospace Science and Technology Corporation (CASC) have developed the country’s first HET with an input power of 20 kilowatts that can produce a thrust of one newton, marking a leap for China’s HETs from millinewton level to newton level.

The applications of HETs include control of the orientation and position of orbiting satellites and use as a main propulsion engine for medium-size robotic space vehicles.

During a test, the thruster showed stable operation, with a specific impulse of 3068 seconds and working efficiency above 70 percent, reaching international advanced level.

Such a high-power HET with features of strong thrust, long working life and high reliability will be able to provide highly efficient impetus for the positioning, orbital maneuvering and motion control of large GEO (geostational orbit) satellites, deep space probes and space shuttle vehicles.

Via GolbalTimes.cn

 

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