Volume 36 Issue 4
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WANG Kai, XIA Wei, WANG Baorui, KONG Wenjun. Fire Initiation Characteristics of Wire Insulation in Representative Weakly Buoyancy Environment[J]. Chinese Journal of Space Science, 2016, 36(4): 501-507. doi: 10.11728/cjss2016.04.501
Citation: WANG Kai, XIA Wei, WANG Baorui, KONG Wenjun. Fire Initiation Characteristics of Wire Insulation in Representative Weakly Buoyancy Environment[J]. Chinese Journal of Space Science, 2016, 36(4): 501-507. doi: 10.11728/cjss2016.04.501
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Fire Initiation Characteristics of Wire Insulation in Representative Weakly Buoyancy Environment

doi: 10.11728/cjss2016.04.501 cstr: 32142.14.cjss2016.04.501
  • 1.

    Key Laboratory of Light-duty Gas-turbine, Institute of Engineering Thermophysics, Chinese Academy of Sciences, Beijing 100190

  • 2.

    University of Chinese Academy of Sciences, Beijing 100049

  • Received Date: 2015-11-10
  • Rev Recd Date: 2016-04-22
  • Publish Date: 2016-07-15
    Abstract
  • This paper introduce the ground-based low pressure simulation tests of the Wire Insulation characteristic box that will aboard on SJ-10 scientific satellite (SJ-10). An experimental system with reduced pressure is established to simulate the microgravity environment. The effects of insulation type, insulation thickness and amplitude of the overloaded current on fire initiation characteristics of wire insulation have been investigated at the representative 3kPa environmental pressure. The temperature rise trend and the smoke emission characteristics of wire insulation during fire initiation are obtained. Compared with the results obtained at the normal pressure (1atm), the fire initiation features of wire insulation as the satellite fly in orbit, namely it is at 3kPa pressure, is predicted. The results provide important references for the choice of space experimental conditions in SJ-10 satellite.

     

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