Department of
MECHANICAL ENGINEERING

Faculty

Dr. YAP Yit Fatt Research/Teaching Associate Office: Umm Shaif Building, Room 4011 Phone: +971 2 607 5335 Webpage: https://sites.google.com/site/yapyitfatt/home

YAP Yit Fatt joined PI as a research associate in 2010. He received his Ph.D. (2007) in Mech. Eng. from Nanyang Technological University (NTU), Singapore, M. Eng. (2002) and B. Eng. (2000) from Universiti Teknologi Malaysia (UTM). For his Ph.D., he worked on modeling of small scale multiphase flow problems. He was a research fellow in NTU where he worked on modeling of two-phase flows with the narrow-band particle level-set method. He has published two book chapters and 14 journal articles.

Research Interests
Research interests include, but are not limited to, the development and application of numerical methods for problems involving heat transfer and fluid flow. In particular,

• multiphase flows
• magnetic fluid (ferrofluid) flow
• surface tension related phenomena
• finite volume method
• level-set method with narrow-band technique and particle correction
• high order schemes, in particular WENO

Book Chapters

• Yap Y.F., Zhang Y.L., Wong T.N., Nguyen N.T. and Chai J.C., Flow bifurcation in microchannel, Encyclopedia of Micro- and Nano-Fluidics, edited by D. Li, Springer.
• Wong T.N., Chai J.C., Yap Y.F., Gao Y., Yang C. and Ooi K.T., Electrokinetic two-phase flows, Encyclopedia of Micro- and Nano-Fluidics, edited by D. Li, Springer.

Journal Papers

• Yap Y.F., Chai J.C., Toh K.C., Wong T.N. and Lam Y.C., Numerical modeling of unidirectional stratified flow with and without phase change, Int. J. of Heat and Mass Transfer 48 (2005) 477-486.
• Yap Y.F., Chai J.C., Toh K.C. and Wong T.N., 2005, Modeling the flows of two immiscible fluids in a three-dimensional square channel using the level-set method, Num. Heat Transfer A: Applications 49-9 (2006) 893-904.
• Yap Y.F., Chai J.C., Wong T.N. and Toh K.C., The effects of surface tension on two-dimensional two-phase stratified flows, AIAA J. of Thermophysics and Heat Transfer 20-3 (2006) 638-640.
• Yap Y.F., Chai J.C., Wong T.N., Toh K.C. and Zhang H.Y., A global mass correction scheme for the level-set method, Num. Heat Transfer B: Fundamentals 50-5 (2006) 455–472.
• Yap Y.F., Li D. and Chai J.C., Flow of Cells in Microchannels, J. of Physics: Conference Series 34 (2006) 448–453.
• Yap Y.F., Chai J.C., Wong T.N., Nguyen N.T, Toh K.C. and Zhang H.Y., Particle transport in microchannels, Num. Heat Transfer B: Fundamentals 51-2 (2007) 141 – 157.
• Ting T.H., Yap Y.F., Nguyen N.T., Wong T.N., Chai J.C. and Yobas L., 2006, Thermally mediated breakup of drops in microchannels, App. Physics Letters 89 (2006) 234101.
• Yap Y.F., Chai J.C., Wong T.N., Nguyen N.T., Toh K.C., Zhang H.Y. and Yobas L., A Procedure for the motion of particle-encapsulated droplets in microchannels, Num. Heat Transfer B: Fundamentals 53-1 (2008) 59-74.
• Chai J.C. and Yap Y.F., A Distance-Function-Based-Cartesian (DIFCA) Grid Method for irregular geometries, Int. J. of Heat and Mass Transfer 51 (2008) 1691-1706.
• Nguyen N.T., Ting T.H., Yap Y.F., Wong T.N., Chai J.C., Ong W.L., Zhou J., Tan S.H. and Yobas L., Thermally mediated droplet formation in microchannels, App. Physics Letters 91-8 (2007) 084102.
• Nguyen N.T., Yap Y.F. and Sumargo A., Microfluidic rheometer based on hydrodynamic focusing, Measurement Science and Technology 19 (2008) 085405.
• Liu J., Yap Y.F. and Nguyen N.T., Behavior of microdroplets in diffuser/nozzle structures, Microfluidics and Nanofluidics  6-6 (2009) 835-846.
• Yap Y.F., Tan S.H., Nguyen N.T., Sohel Murshed S.M., Wong T.N. and Yobas L., Thermally mediated control of liquid microdroplets at a bifurcation, J. of Physics D: Applied Physics 42 (2009) 065503.
• Liu J., Yap Y.F. and Nguyen N.T., Motion of a droplet through microfluidic ratchets, Physical Review E 80-4, (2009) 046319.