Dispersion of fine particles or droplets

• Drop size control of fine droplets for emulsion polymerization 유화중합반응에서 미세액적의 입도제어

  • Funded research from Samsung Cheil Industries 제일모직 과제수행 (from December 2011 to June 2012)

• Drop and particle size control during suspension polymerization 현탁중합반응에서 액적 및 입자 입도제어

  • Funded research from Samsung Cheil Industries 제일모직 과제수행 (from August 2012 to March 2013)

• CNT/CNF dispersion in high shear homogenizers for Aluminum nano composites 알루미늄 나노복합재 제조를 위한 고전단 분산장치를 이용한 CNT/CNF 분산연구

  • Funded research for WPM WPM과제수행 (from April 2012 to March 2013)

  • 후성정공, KIMS, 흥보테크 공동연구

Polymerization reactors

• Fundamental design principle of suspension polymerization reactor 현탁중합반응기 기초설계연구

  • Funded research from Samsung Cheil Industries 제일모직 과제수행 (from August 2012 to March 2013)

• A new bulk polymerization reactor with chaotic mixing principles 새로운 벌크중합 반응기 설계연구

  • (funded research will start soon.)

Bio reactors for animal/plant cell culture

• A new bio reactor with chaotic mixing principles 새로운 바이오반응기 설계연구

  • (funded research will start soon.)

Complex fluid flows in stirred vessels

• Flows in agitators with rheologically complex fluids

  • Highly shear-thinning fluids

  • Highly elastic fluids

  • Viscoplastic fluids with yield stress

Chaotic mixing and dispersion in single-screw extruders

• W.R. Hwang, T.H. Kwon (2000) "Dynamical systems modeling of chaos single-screw extrusion process and its three-dimensional numerical analysis," Polymer Engineering & Science, 40(3), p.702-714.

• W.R. Hwang, H.S. Jun, T.H. Kwon (2002) "Experiments on chaotic mixing in a screw channel flow," AIChE Journal, 48(8), p.1621-1630.

• W.R. Hwang, T.H. Kwon (2002) "Resonant and invariant advection in single screw extrusion," International Polymer Processing, 17(4), pp. 309-317.

• W.R. Hwang, T.H. Kwon (2003) "Chaotic volumetric transports in a single-screw extrusion process," Polymer Engineering & Science, 43(4), p.783-797.

• W.R. Hwang, K.W. Kang, T.H. Kwon (2004) "Dynamical systems in pin mixers of single-screw extruders," AIChE Journal, 50(7), p.1372-1385.

• H.S. Jun, W.R. Hwang, T.H. Kwon (2004) "Experiments on characteristic deformation and breakup behaviors of an immiscible drop in a screw channel flow," International Polymer Processing, 19(3), p.218-224.

Mixing in solid-liquid flows

• W.R. Hwang, P.D. Anderson, M.A. Hulsen (2005) "Chaotic advection in a cavity flow with rigid particles," Physics of Fluids, 17(4), 043602.