Volume 39 Issue 5
Sep.  2019
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Article Navigation >  Chinese Journal of Space Science  > 2019  >  39(5): 648-654
TANG Meibo, AI Fei, YANG Liping, PAN Xiuhong, WEN Haiqin, ZHANG Minghui, GAI Lijun, LEI Lei, DENG Weijie, CHEN Kun, LIU Yan, YU Qiang, LI Weining, ZHAO Xunfeng. Effect of Pressure and Power on Material Experimental Furnace in Space and on the Ground[J]. Chinese Journal of Space Science, 2019, 39(5): 648-654. doi: 10.11728/cjss2019.05.648
Citation: TANG Meibo, AI Fei, YANG Liping, PAN Xiuhong, WEN Haiqin, ZHANG Minghui, GAI Lijun, LEI Lei, DENG Weijie, CHEN Kun, LIU Yan, YU Qiang, LI Weining, ZHAO Xunfeng. Effect of Pressure and Power on Material Experimental Furnace in Space and on the Ground[J]. Chinese Journal of Space Science, 2019, 39(5): 648-654. doi: 10.11728/cjss2019.05.648
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Effect of Pressure and Power on Material Experimental Furnace in Space and on the Ground

doi: 10.11728/cjss2019.05.648 cstr: 32142.14.cjss2019.05.648

  • 1. Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050;

  • 2. National Space Science Center, Chinese Academy of Sciences, Beijing 100190

  • Received Date: 2017-08-29
  • Rev Recd Date: 2019-05-22
  • Publish Date: 2019-09-15
    Abstract
  • By analyzing the change of heating wires power in Tiangong-2 Material Experimental Furnace (TMEF) on the ground and in space, the equivalent pressure in the ground experiments is determined. Due to the gravity on the ground, the gas convection in TMEF has an important influence on the highest temperature of TMEF. The power ratio of the same experiments in space and on the ground is about 97.5% when the pressure in TMEF is 1atm. In space, the change of pressure in TMEF has weak effect on the highest temperature of the furnace. When the TMEF's pressure on the ground is 50% of 1atm in space, the obtained values (the powers and temperatures etc.) for the same experiments in space and on the ground are the same. These results are important to design the heating facility used in space.

     

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