산업공정에서 유변물성의 온라인 모니터링

• Research subjects in in-situ rheological property monitoring

  • Viscosity monitoring in an industrial mixer with non-Newtonian fluids

  • Linear and non-linear viscoelasticity monitoring in an industrial mixer with non-Newtonian fluids

  • Viscosity monitoring in a die in polymer processing, lithium-ion battery manufacturing, etc.

  • Viscosity monitoring in a complex pipe flow with non-Newtonian fluids

  • Linear and non-linear viscoelasticity monitoring in a complex pipe flow with non-Newtonian fluids

  • Devepment of commercial scale devices for viscosity and viscoelasticity monitoring in complex flows in industry

• Related publications

  • X. Gao, W.R. Hwang, "Flow modeling in a metering section of a single screw extruder with a small helix angle based on the energy dissipation rate," submitted.

  • H.K. Jang, Y. Oh, W.R. Hwang, "Experimental in-situ viscosity measurement of polymer melts in a film extrusion die," submitted.

  • X. Gao, W.R. Hwang, "Quantification of flows in a rectangular channel of a single screw extruder with a small helix angle based on the energy dissipation rate," submitted.

  • H.K. Jang, Y. Oh, W.R. Hwang, "A unified method for the mobility prediction of an inelastic non-Newtonian fluid through a complex porous media," submitted.

  • B.M. Lee, X. Gao, H.S. Kim, W.R. Hwang (2023) "Flow modeling for conveying sections in a co-rotating twin-screw extruder based on energy dissipation rate for continuous mixing of lithium-ion battery slurries," Chemical Engineering Science, 281, 119113 (5 November 2023).

  • H.J. Jo, S.M. Han, Y.J. Kim, W.R. Hwang (2023) "Experimental viscosity monitoring in complex pipe systems for flows of drilling muds based on the energy dissipation rate," Geoenergy Science and Engineering, 228, 211942, (September 2023).

  • X. Gao, S.M. Han, W.R. Hwang (2023) "Flow modeling and in-situ viscosity monitoring for a combined rotational and pressure-driven flow of a non-Newtonian fluid through a concentric annulus," Physics of Fluids, 35, 083114 (August 2023).

  • H.J. Jo, S.H. Hong, B.M. Lee, Y.J. Kim, W.R. Hwang, S.Y. Kim (2023) "High energy dissipation-based process to improve the rheological properties of bentonite drilling muds by reducing the particle size," Ultrasonics Sonochemistry, 92, 106246, (January 2023).

  • H.J. Jo, Y.J. Kim, W.R. Hwang (2021) "Enhancement of mixing performance with anchor-type impellers via chaotic advection," Chemical Engineering Science, 243, 116757.

  • J. Chen, S.M. Han, W.R. Hwang (2020) "Effective Navier-slip in non-Newtonian fluid flows over corrugated surfaces," Physics of Fluids, 32, 113103.

  • H.J. Jo, Y.J. Kim, W.R. Hwang (2020) "Comparative numerical and experimental investigation of process viscometry for flows in an agitator with a flat blade turbine impeller," Korea-Australia Rheology Journal, 32(2), p. 137-144.

  • H.K. Jang, S.O. Hong, S.B Lee, J.M. Kim, W.R. Hwang (2019) "Viscosity measurement of non-Newtonian fluids in pressure-driven flows of general geometries based on energy dissipation rate," Journal of Non-Newtonian Fluid Mechanics, 274, 104204.

  • S.H. Hong, H.J. Jo, M.J. Choi, H. W. Jang, Y.J. Kim, W.R. Hwang, S. Y. Kim (2019) "Influence of MoS2 nanosheet size on performance of drilling mud," Polymers, 11(Feb 2019), 321 (p. 1-14).

  • H.K. Jang, W.R. Hwang (2018) " A general approach on the quantification of effective quantities in a pressure-driven flow of inelastic non-Newtonian fluid in arbitrary geometries based on the energy balance," Journal of Non-Newtonian Fluid Mechanics, 253(March 2018), p. 7-15.

  • H.J. Jo, H.K. Jang, Y.J. Kim, W.R. Hwang (2017) "Process viscometry of non-Newtonian fluids using an anchor agitator," Korea-Australia Rheology Journal, 29(4), p. 317-323.