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    Hydroxypropyl Methyl Cellulose 의 분진 폭발특성에 관한 연구 = A Study on Dust Explosion Characteristics of Hydroxypropyl Methyl Cellulose

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    https://www.riss.kr/link?id=A3082205

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    This study was performed in Hartmann type dust explosion apparatus in order to research the dust explosion characteristics of hydroxypropyl methyl cellulose(HPMG): minimum explosive limit, minimum ignition energy, limiting oxygen concentration, maximum explosion pressure, rate of pressure rise, etc.
    The samples of HPMC dust were distributed into 120-140 mesh, 170-230 mesh and 325 under, and the gap distance of the discharge electrode was setted up at 5㎜.
    The experimental results were obtained as follows:
    ① The minimum explosive limit for HPMC dust was founded at 180g/㎥, the minimum ignition energy at 9.8mJ and the limiting oxygen concentration at 12%.
    ② The maximum explosion pressure of HPMC dust was 8.1㎏/㎠·abs at the concentration of 500g/㎥ and the maximum rate of pressure rise was 203.98 bar/sec at the concentration of 480g/㎥ for 325 under.

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    This study was performed in Hartmann type dust explosion apparatus in order to research the dust explosion characteristics of hydroxypropyl methyl cellulose(HPMG): minimum explosive limit, minimum ignition energy, limiting oxygen concentration, maximu...

    This study was performed in Hartmann type dust explosion apparatus in order to research the dust explosion characteristics of hydroxypropyl methyl cellulose(HPMG): minimum explosive limit, minimum ignition energy, limiting oxygen concentration, maximum explosion pressure, rate of pressure rise, etc.
    The samples of HPMC dust were distributed into 120-140 mesh, 170-230 mesh and 325 under, and the gap distance of the discharge electrode was setted up at 5㎜.
    The experimental results were obtained as follows:
    ① The minimum explosive limit for HPMC dust was founded at 180g/㎥, the minimum ignition energy at 9.8mJ and the limiting oxygen concentration at 12%.
    ② The maximum explosion pressure of HPMC dust was 8.1㎏/㎠·abs at the concentration of 500g/㎥ and the maximum rate of pressure rise was 203.98 bar/sec at the concentration of 480g/㎥ for 325 under.

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