Non-Newtonian viscosity of the solution is incorporated in HDT mo

Non-Newtonian viscosity of the solution is incorporated in HDT model to give reasonable comparison with experimental data. Nanoparticles in the wedge film change lubricating and rolling flow patterns and result in complex flow

field structures. Including all physical aspects of such complex flow in theory is not feasible at the current stage. Simple theoretical equations can only give reasonable comparisons with experiment. Selleckchem AG-881 Acknowledgments The authors gratefully EPZ015666 acknowledge the financial support of the research grant (MOE2009-T2-2-102) from the Ministry of Education of Singapore to CY and the Singapore A*STAR scholarship to MR. References 1. Sikalo S, Tropea C, Ganic EN: Dynamic wetting angle of a spreading

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drop. J Colloid Interface Sci 1992, 148:207–222.CrossRef 9. Sikalo S, Wilhelm HD, Roisman IV, Jakirlic S, Tropea C: Dynamic contact angle of spreading droplets: experiments and simulations. Phys Fluids 2005, 17:062103.CrossRef 10. Kolev VL, Kochijashky II, Danov KD, Kralchevsky PA, Broze G, Mehreteab A: Spontaneous detachment of oil drops from solid substrates: governing factors. J Colloid Interface Sci 2003, 257:357–363.CrossRef 11. Kralchevsky PA, Danov KD, Kolev VL, Gurkov TD, Temelska MI, Brenn G: Detachment of oil drops from solid surfaces in surfactant solutions: Vildagliptin molecular mechanisms at a moving contact line. Ind Eng Chem Res 2005, 44:1309–1321.CrossRef 12. Nikolov A, Kondiparty K, Wasan D: Nanoparticle self-structuring in a nanofluid film spreading on a solid surface. Langmuir 2010, 26:7665–7670.CrossRef 13. Wasan DT, Nikolov AD: Spreading of nanofluids on solids. Nature 2003, 423:156–159.CrossRef 14. Matar OK, Craster RV, Sefiane K: Dynamic spreading of droplets containing nanoparticles. Physical Review E 2007, 76:056315.CrossRef 15. Choi SUS, Eastman JA: Enhancing thermal conductivity of fluids with nanoparticles. San Francisco, CA; 1995. [ASME International Mechanical Engineering Congress and Exposition] 16.

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