Daniel Yu-Hing Kwok

Associate Professor

Department of Mechanical and Manufacturing Engineering

Postdoc

(Massachusetts Institute of Technology, 1998-2000

PhD

University of Toronto, 1998

Contact information

Phone

Office: 403.210.8428

Location

Mechanical Engineering Building : MEB321

Courses

Applied Thermodyanmics

Introduction to Nanotechnology for Mechanical Engineers

Analytical Thermodynamics

Surface Phenomena and Nanotechnlogy in Mechanical Engineering


Research

Research areas

  • Nano-MEMS

Research activities

Nanotechnology, nanofabrication, soft-lithography, molecular self-assembly, microchannel flow, interfacial phenomena, surface/interfacial tensions, contact angles, surface characterization, surface thermodynamics, protein-protein interactions, biodiagnosis, lattice Boltzmann simulation for microfluidics, molecular dynamics for nanofluidics, electrokinetics, plasma physics

 


Publications

Selected journal publications

J. Chai, B. Li and D. Y. Kwok, "Selective surface modification and patterning by a micro-plasma discharge", Appl. Phys. Lett., 86, 034107 (2005).

J. Zhang and D. Y. Kwok, "A 2D lattice Boltzmann study on electrohydrodynamic drop deformation with the leaky dielectric theory, J. Computational Phys., 206, 150-161 (2005).

F. Tian and D. Y. Kwok, "On the surface conductance, flow rate, and current continuities of microfluidics with non-uniform surface potentials", Langmuir, 21, 2192-2198 (2005).

F. Tian, B. Li and D. Y. Kwok, "Tradeoff between mixing and transport for electrosmotic flow in heterogeneous microchannels with non-uniform surface potentials", Langmuir, 21, 1126-1131 (2005).

J. Zhang and D. Y. Kwok, "The apparent slip over a solid-liquid interface with a no-slip boundary condition", Phys. Rev. E, 70, 056701 (2004).

B. Li and D. Y. Kwok, "Discrete Boltzmann equation for microfluidics"-Reply, Phys. Rev. Lett. 92, 139402 (2004).

J. Yang, F. Lu and D. Y. Kwok, "Dynamic interfacial effect of electroosmotic slip flow with a moving capillary front in hydrophobic circular microchannels", J. Chem. Phys., 121, 7443-7448 (2004).

F. Lu, J. Yang and D. Y. Kwok, "Flow Field Effect on Electric Double Layer During Streaming Potential Measurements", J. Phys. Chem. B, 108, 14907-14975 (2004).

J. Zhang and D. Y. Kwok, "A lattice Boltzmann study on contact angle and contact line dynamics of liquid-vapor interfaces", Langmuir, 20, 8137-8141 (2004).

B. Li and D. Y. Kwok, "Multi-dimensional transient process for a pulse ablating-capillary discharge: modeling and experiment", J. Plasma Phys., 70, 397-413 (2004).

B. Li and D. Y. Kwok, "Two-phase flow simulation of plasma-ignited combustion in an energetic fluid bed", J. Plasma Phys., 70, 225-235 (2004).

J. Zhang, B. Li and D. Y. Kwok, "A mean-field free-energy approach to lattice Boltzmann method for liquid-vapor and solid-fluid interfaces", Phys. Rev. E, 69, 032602 (2004).

J. Yang, K. Grundke, C. Bellmann, S. Michel, L. W. Kostiuk and D. Y. Kwok, "Oscillating streaming potential and electroosmosis of multilayer membranes", J. Phys. Chem. B, 108, 2103-2110 (2004).

B. Li and D. Y. Kwok, "Electrokinetic Microfluidic Phenomena by a Lattice Boltzmann Model using a Modified Poisson-Boltzmann equation with an Excluded Volume Effec", J. Chem. Phys., 120, 947-953 (2004).

J. Zhang, K. Grundke and D. Y. Kwok, "Comment on 'surface characterization of hydrosilylated polypropylene: contact angle measurement and atomic force microscopy' ", Langmuir, 19, 10457-10458 (2003).

J. Yang, J. Han, K. Isaacson and D. Y. Kwok, "Effects of surface defects, polycrystallinity and nanostructures of self-assembled monolayers for octadecanethiol on gold on wetting and its surface energetic interpretation", Langmuir, 19, 9231-9238 (2003).

J. Yang, F. Lu, L. W. Kostiuk and D. Y. Kwok, "Electrokinetic microchannel battery by means of electrokinetic and microfluidic phenomena", J. Micromech. Microeng., 13, 963-970 (2003).

J. Zhang and D. Y. Kwok, "Combining rule for molecular interactions derived from macroscopic contact angles and solid-liquid adhesion patterns", Langmuir, 19, 4666-4672 (2003).

B. Li and D. Y. Kwok, "Discrete Boltzmann Equation for Microfluidics'', Phys. Rev. Lett., 90(12), 124502 (2003).

B. Li and D. Y. Kwok, "Lattice Boltzmann model of microfluidics with high Reynolds number in the presence of external forces", Langmuir, 19, 3041-3048 (2003).

J. Yang and D. Y. Kwok, "Microfluid flow in circular microchannel with electrokinetic effect and Navier's slip condition", Langmuir, 19, 1047-1053 (2003).

J. Yang and D. Y. Kwok, "Time-dependent laminar electrokinetic slip flow in infinitely extended rectangular microchannels", J. Chem. Phys., 118, 354-363 (2003).


Awards

2006 - Departmental Research Excellence Award