Prof. Madya Dr. Lok Yian Yian

  Lok 2
  Prof. Madya Dr. Lok Yian Yian
Telefon      : 04-6534566
Faks          : 04-6576000
Emel         : lokyy@usm.my
Pemodelan Matematik bendalir dan Pemindahan haba

Profile

Academic Qualifications:

  • Ph.D. (Mathematics) 2008, Universiti Teknologi Malaysia
  • M.Sc. (Mathematics) 2002, Universiti Teknologi Malaysia
  • B.Sc. with Edu. (Hons.) (Mathematics) 1999, Universiti Teknologi Malaysia

Research

Key Research Area: 

  • Boundary Layer Flows
  • Newtonian and non-Newtonian fluids
  • Convection Flows
  • Stagnation-Point Flows

Publication

Selected Journal Articles:

  1. Lok, Y.Y., Merkin J.H. and Pop, I. 2017. Mixed Convection Non-Axisymmetric Hamann Stagnation-Point Flow. Journal of Fluid Mechanics, 812, pp. 418-434 (ISI)
  2. Merkin, J.H., Lok, Y.Y. and Pop, I., 2016. A Note on the Stagnation-Point Flow over a Permeable Shrinking Sheet with Slip Effects. International Communications in Heat and Mass Transfer, 71, pp. 101-107. (ISI)
  3. Lok, Y.Y., Merkin, J.H. and Pop, I., 2015. MHD Oblique Stagnation-Point Flow towards a Stretching/Shrinking Surface. Meccanica, 50, pp. 2949-2961. (ISI)
  4. Lok, Y.Y. and Pop, I., 2014. Stretching or Shrinking Sheet Problem for Unsteady Separated Stagnation-Point Flow. Meccanica, 49, pp. 1479-1492. (ISI) 
  5. Lok. Y.Y., Merkin, J.H. and Pop, I., 2013. Mixed Convection Boundary-Layer Flow Over Vertical Surface Embedded in a Porous Material Subject to a Convective Boundary Condition. Transport in Porous Media, 98, pp. 451-463. (ISI)
  6. Merkin, J.H., Lok. Y.Y. and Pop, I., 2013. Mixed Convection Boundary-Layer Flow on a Vertical Surface in a Porous Medium with a Constant Convective Boundary Condition. Transport in Porous Media, 99, pp. 413-425. (ISI)
  7. Lok, Y.Y., Ishak, A. and Pop, I., 2013. Stagnation-Point Flow and Heat Transfer Towards a Shrinking Sheet with Suction in an Upper Convected Maxwell Fluid, Zeitschrift für Naturforschung A, 68a, pp. 693-700. (ISI)
  8. Lok. Y.Y., Merkin, J.H. and Pop, I., 2012. Mixed Convection Flow near the Axisymmetric Stagnation Point on a Stretching or Shrinking Cylinder. International Journal of Thermal Sciences, 59, pp. 186-194. (ISI)
  9. Ishak, A., Lok, Y.Y. and Pop, I., 2012. Non-Newtonian Power-Law Fluid Flow Past a Shrinking Sheet with Suction, Chemical Engineering Communications, 199, pp. 142-150. (ISI)
  10. Lok, Y.Y. and Pop, I., 2011. Wang’s Shrinking Cylinder Problem with Suction near a Stagnation Point. Physics of Fluids, 23, 083102. (ISI)

Teaching

  • JIM 215 – Introduction to Numerical Analysis
  • JIM 211 – Advanced Calculus
  • JIM 101 – Calculus
  • JIM 311 – Vector Analysis
  • JIM 317 – Differential Equations II
  • JIM 315 – Introduction to Analysis
  • JIM 105 – Basic Mathematics

Supervision


Maklumat sedang dikemaskini

Recognition

  • Life member of Persatuan Sains Matematik Malaysia (PERSAMA) (since 2009)
  • Vice President, Persatuan Kakitangan Akademik dan Pentadbiran (PKAP), USM (2016-2017)
  • Executive committee member, Persatuan Kakitangan Akademik dan Pentadbiran (PKAP), USM (2013-2015)
  • Anugerah Sanggar Sanjung (Category of Journal Publication), USM (2012)
  • Hadiah Sanjungan (Category of Journal Publication), USM (2011)
  • Anugerah PERSAMA (Main Prize of Category of Ph.D Thesis), PERSAMA (2009)
  • European Union Marie Curie Short Term Fellowship, Host: Centre for Computational Fluid Dynamics, School of Process, Environmental and Material Engineering, University of Leeds, U.K. (The Sixth Framework Marie Curie Actions Programme) (2007)
  • Highly Commended Award (Category of Journal Article), Emerald Literati Network (2006)

External Examiner for Thesis

  • Master of Science (Engineering Mathematics) – 2017 – Universiti Malaysia Perlis
    Name of Student: Nur Athirah binti Azami
    Original Title of Thesis: Boundary Layer Flow and Heat Transfer Over Stretching/Shrinking sheet in a Nanofluid with Slip Effect

  • Master of Science (Engineering Mathematics) – 2013 – Universiti Malaysia Perlis
    Name of Student: Nurul Najwa binti Mansor
    Original Title of Thesis: Stagnation Point Flow and Heat Transfer towards a Stretching Sheet with Suction in a Nanofluid

  • Master of Science (Mathematics) – 2011 – Universiti Teknologi Malaysia
    Name of Student: Abdul Rahman Mohd. Kasim
    Original Title of Thesis: Free and Mixed Convection Boundary Layer Flow of Viscoelastics Fluids Past a Horizontal Circular Cylinder
  • Master of Science (Engineering Mathematics) – 2013 – Universiti Malaysia Perlis
    Name of Student: Nurul Najwa binti Mansor
    Title of Thesis: Stagnation Point Flow and Heat Transfer towards a Stretching Sheet with Suction in a Nanofluid
  • Master of Science (Mathematics) – 2011 – Universiti Teknologi Malaysia
    Name of Student: Abdul Rahman Mohd. Kasim
    Title of Thesis: Free and Mixed Convection Boundary Layer Flow of Viscoelastics Fluids Past a Horizontal Circular Cylinder