Dynamics of Complex Fluids 복잡유체역학

Particle suspensions in polymeric liquids

• DNS of particle suspensions in polymeric fluids 고분자유체에 미세입자가 분산된 현탁액의 직접수치해석 및 유변학적 거동예측
  • W.R. Hwang, M.A. Hulsen, H.E.H. Meijer (2004) "Direct simulation of particle suspensions in sliding bi-periodic frames," Journal of Computational Physics, 194(2), p.742-772.
  • W.R. Hwang, M.A. Hulsen, H.E.H. Meijer (2004) "Direct simulations of particle suspensions in a viscoelastic fluid in sliding bi-periodic frames," Journal of Non-Newtonian Fluid Mechanics, 121(1), p.15-33.
  This paper was selected as the number one article out of the 25 hottest articles in Journal of Non-Newtonian Fluid Mechanics during the period of July to September in 2004. See an image capture here and the link to the top 25 page of the Journal provided by ScienceDirect.
  • W.R. Hwang, M.A. Hulsen (2006) "Direct numerical simulations of hard particle suspensions in planar elongational flow," Journal of Non-Newtonian Fluid Mechanics, 136(2-3), p.167-178.
  • H.T. Chung, S.H. Kang, W.R. Hwang (2005) "Numerical simulations of elliptic particle suspensions in sliding bi-periodic frames," Korea-Australia Rheology Journal, 17(4), p.171-180.
  • 대표결과
    

  Extensional flows of hard particle suspension with polymeric fluids

  • W.R. Hwang, M.A. Hulsen (2006) "Direct numerical simulations of hard particle suspensions in planar elongational flow," Journal of Non-Newtonian Fluid Mechanics, 136(2-3), p.167-178.

  Droplet emulsions

  • Direct simulations of droplet emulsion in simple shear flow
  • Rheological behaviors of liquid/liquid systems
  • S.J. Kim and W.R. Hwang (2007) "Direct numerical simulations of droplet emulsions in sliding bi-periodic frames using the level-set method," Journal of Computational Physics, 225(1), p.615-634.
  • S.J. Kim, W.R. Hwang, K.H. Lim, H.S. Shin (2008) "Numerical simulations of drop deformation in a cylindrical tube using moving and fixed grid methods," International Journal of Modern Physics B, 22(9-11), p.1552-1557.
  • S.J. Kim, W.R. Hwang (2011) " Transient stresses of two-dimensional model droplet emulsions subjected to simple shear flow by numerical simulations," Korea-Australia Rheology Journal (Special Memorial Issue of Late Professor Tai Hun Kwon), 23(3), p.163-171.

  Particle microstructure formation in viscoelastic fluids

  • Structural formation of particles such as clustering, alignment, random distributions
  • W.R. Hwang, M.A. Hulsen (2011) "Structure formation of non-colloidal particles in viscoelastic fluids subject to simple shear flow," Macromolecular Materials and Engineering, 296(3-4), p.321-330.
    

  Flows of non-spherical particle suspensions

  • 비구형 입자(섬유상, 디스크 플레이크 등)의 현탁액 유동
  • W.R. Hwang, W.R. Kim, E.S. Lee, J.H. Park (2011) " Direct simulations of orientational dispersion of platelet particles in a viscoelastic fluid subjected to a partial drag flow for effective coloring of polymers," Korea-Australia Rheology Journal (Special Memorial Issue of Late Professor Tai Hun Kwon), 23(3), p.173-181.
  • W.R. Hwang, W.R. Kim, S.H. Kang, S.J. Kim (2009) "Direct simulations of 2D mold-filling processes of particle-filled fluids," Korea-Australia Rheology Journal, 21(3), p.193-200.