China's Space Program Thread II

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The Hydrogen Energy Equipment Design and Integration Center:

 

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The GS-3 test bench for simulating space environments. It's capable of simulating low temperature (-253°C) and vacuum (~2 Pa) environments:

 

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(Continued from above...)

The Nuwa (女娲) constellation of 38 remote-sensing satellites is being developed by

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. Once the constellation is finished, it will be capable of mapping the planet every 24 hours, with revisit period of one hour.

The constellation will be constructed in three phases.

Phase I: Launching the Hongtu-1 batch of four InSAR satellites, which has just been completed earlier today.
Phase II: Launching a further 16 SAR satellites, with four being C-band and 12 being X-band.
Phase III: Launching the final 18 satellites, with eight more C-band SAR satellites and 10 optical satellites with a resolution better than 0.5m.

The company (

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) behind the Nuwa Constellation also has ambitions in developing space tourism. According to a recent speech by its CEO, the company wants to launch the SkyYacht 1.0, a space station designed for tourists, and by 2030, it wants to realize its dream/ambitions for space tourism.

 

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On March 31st, a Long March 4C successfully inserted the Yaogan-34 04 remote sensing satellite into orbit. This marks the 470th flight of the Long March series.

 

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The Tianqin-2 satellites are scheduled to be launched in 2025. The two satellites will be used to verify and validate crucial technologies needed for a next generation gravitational-wave observatory.

 

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A second pulse production line for YF-100 series of engines has been put into operation. The production capacity is expected to double that of the first production line.

 

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An illustration showing China's commercial satellite market. So far, more than 26 provinces and administrative regions have their own satellites. A total of 350 civilian satellites are in operation, distributed in 60 constellations, with the largest constellation having 83 satellites.

More than 10,000 satellites are planned.

 

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An experimental free-piston Stirling thermoelectric conversion device is currently installed onboard the Chinese space station. The device converts heat from radioactive isotopes into electricity, and it's more efficient, more compact, and more powerful than traditional radioisotope thermoelectric generators. The device will be used to verify the reliability of this technology in the space environment. Experimental data obtained will be used to further refine the technology, which is expected to power China's future deep space exploration efforts.

An update on the experimental free-piston Stirling thermoelectric conversion device. It has successfully completed tests aboard the Chinese space station. Test data show that the device performed well, with thermal conversion efficiency having reached "international advanced levels".

 

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A new engine testing center has broken ground in Laiyuan county in Hebei province. The center will be operated by the 101st Institute of the Sixth Academy of CASC. Once finished, it will house comprehensive testing facilities for cryogenic liquid rocket engines up to 500-tons of thrust. First to come online later this year is a testbed for liquid hydrogen and liquid oxygen (Lox/LH2) cryogenic engines.