Dynamic Analysis of Expansion in Perlite

퍼라이트팽창의 동적해석

  • 함영민 (단국대학교 화학공학과)
  • Published : 2012.04.10

Abstract

Since the expansion of perlite occurs in a few second in high temperature, it is difficult to identify an expansion phenomenon through experiments. In order to explain this phenomenon, a numerical study has been carried out by setting a model that water vapour diffuses to a tiny bubble existing in perlite melts and then makes the bubble grow and perlite expand. When the bubble grew and the perlite expanded due to the diffusion of water vapour, the dynamic temperature of perlite decreased. Meanwhile, the dynamic pressure of bubble increased at the beginning as water vapour diffuses in melts, but rather decreased after a rapid expansion of bubble.

References

  1. K. Zahringer, J. P. Martin, and J. P. Petit, J. of Mat. Sci., 36, 2691 (2001). https://doi.org/10.1023/A:1017960729550
  2. L. E. Scriven, Chem. Eng. Sci., 10, 1 (1959). https://doi.org/10.1016/0009-2509(59)80019-1
  3. A. Arefmanesh, S. Advani, and E. Michaelides, Polymer Eng. Science, 30, 1330 (1990). https://doi.org/10.1002/pen.760302011
  4. A. A. Proussevitch, D. L. Sahagian, and A. T. Anderson, J. Geophys. Res., 98, 2283 (1993).
  5. A. A. Proussevitch, D. L. Sahagian, and A. T. Anderson, J. Geophys. Res., 99, 17 (1994).
  6. D. L. Sahagian and A. A. Proussevitch, J. Volcanol. Geotherm. Res., 74, 19 (1996). https://doi.org/10.1016/S0377-0273(96)00047-9
  7. J. H. Kim and Y. M. Hahm, J. Korean Ind. Eng. Chem., 18, 424 (2007).
  8. J. H. Kim and Y. M. Hahm, J. Korean Ind. Eng. Chem., 19, 397 (2008).
  9. O. Melnik, Bull. Volcanol., 62, 153(2000). https://doi.org/10.1007/s004450000072
  10. A. Clarke, B. Voight, A. Neri, and G. Macedonio, Nature, 415, 897 (2002). https://doi.org/10.1038/415897a
  11. A. A. Proussevitch and D. L. Sahagian, J. Volcanol. and Geotherm. Res., 143, 89 (2005). https://doi.org/10.1016/j.jvolgeores.2004.09.012
  12. T. Murase and A. McBirney, Geol. Soc. of Am. Bulletin, 84, 3563 (1973). https://doi.org/10.1130/0016-7606(1973)84<3563:POSCIR>2.0.CO;2