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1. M.K. Abdullah, M.Z. Abdullah, C.Y. Khor, Y. Ooi, M.V. Ramana, K.A. Ahmad, Z. Mohd Ripin, M.A. Mujeebu “Numerical and Experimental Investigations on the Effect of Fan Height on the Performance of Piezoelectric Fan in Microelectronic Cooling”, International Communications in Heat and Mass Transfer, ICHMT-01825(2008) IF : 0.945 2. K.A.Ahmad, M. Z. Abdullah, J. K., Watterson “ CFD simulations of vibrating sub-boundary layer vortex generators for diffuser flow separation control”, International Journal of Engineering Science and Technology, Vol 5, 2008, pp. 32-42 , ISSN 1823-1039 5. N.F.Zulkefli, F. Hussin, M.Z.Abdullah, K.A.Ahmad, “Numerical Investigations of Flow Field Structure Induced by Sub-Boundary Layer Vortex Generators (SBVG)”, International Review of Aerospace Engineering (IREASE), Vol. 3 N. 1, February 2010, ISSN 1973-7459 6. M. Khalil Abdullah, M. Z. Abdullah, M. A. Mujeebu , Z. M. Ariff and K. A. Ahmad, “Three-Dimensional Modelling on Effect of Multi Die-Stacking Shape in Mould Filling during Encapsulation of Microelectronic Chips”, IEEE Transactions on Advanced Packaging, Vol. 33, No. 2, May 2010 IF=1.12 7. M.Z. Abdullah, H. Gitano, R. Razali, K. A. Ahmad, “Three-Dimensional Modelling of Mould Filling in Microchip Encapsulation Process with Matrix Array Arrangement”, ASME: Journal of Electronic Packaging, March 2010, Vol. 132 IF=0.781 8. Mohammed Zubair, Vizy Nazira Riazuddin, Mohammed Zulkifly Abdullah, Rushdan Ismail, Ibrahim Lutfi Shuaib, Suzina Abdul Hamid, Kamarul Arifin Ahmad, “Airflow inside the nasal cavity: visualization using computational fluid dynamics”, Asian Biomedicine Vol. 4 No. 4 August 2010; 657-661 IF=0.333 9. K.A.Ahmad, M.Z.Abdullah and J.K. Watterson, “Numerical Modelling of a Pitching Airfoil”, Jurnal Mekanikal June 2010, No. 30 pp 37-47 1) Ahmad,K.A., McEwan,W., Watterson,J.K., Cole,J.S.,"Numerical Study of a Vibrating sub-boundary layer vortex generator", AIAA 2005-4648 2)Ahmad,K.A., Watterson,J.K., Cole,J.S., Briggs,I.,"Sub-boundary Layer Vortex Generator Control of a Separated Diffuser Flow", AIAA 2005-4650 3)Ahmad,K.A., McEwan,W., Watterson,J.K., Cole,J.S.,"RANS turbulence models for pitching airfoil", Moving Boundaries 2005, 21-23 Sept 05, La Coruna, Spain 4)Mustafa,Z., Pilidis,P., Teixira, J.A., Ahmad, K.A,"CFD Aerodynamics investigation of air-water trajectories on rotor-stator blade of an axial compressor", ASME Turbo Expo 2006: Power for Land, Sea and Air , May 8-11, 2006, Barcelona Spain 5)Ahmad, K.A., Razali R. "Influence of Sub-boundary Layer Vortex Generators (SBVG) on Wall Shear Stress", Proceedings of AEROTECH-II 2007 conference on Aerospace Technology of XXI Century, 20-21 June 2007, Kuala Lumpur 6)Ahmad, K.A., Abdullah M.Z., Mustafa Z. "Use of Sub-boundary layer vortex generator for diffuser flow separation control", Proceedings of AEROTECH-II 2007 conference on Aerospace Technology of XXI Century, 20-21 June 2007, Kuala Lumpur 7)Ahmad, K.A., Watterson J. K., "Use of vibrating sub-boundary layer vortex generator for diffuser flow separation control", International Conference on Adaptive modelling and Simulations, October 22-24 2007, Goteborg Sweden 8)Ahmad, K. A. "Potential of CFD usage in understanding the airflow of photovoltaics application", 9th Mechanical and Aeronautical Engineering Field-Wise Seminar on New/Renewable Energy, Sept 3-4 2007, Phnom Penh, Cambodia 9)Ahmad, K.A., Razali R. "The use of moving mesh to study the effect of pitching aerofoil” Conference on Design, Simulation, Product Development and Optimization (PRODUCT & DESIGN 2007), 10-11 December 2007, Batu Feringghi, Penang 10)A. R. Serakawi, K. A. Ahmad "A Conceptual Design of Remote Control (RC) Wing-In-Ground-Effect (WIG) Aircraft", Conference on Design, Simulation, Product Development and Optimization (PRODUCT & DESIGN 2007), 10-11 December 2007, Batu Feringghi, Penang 11)N. F. Zulkefli, T. E. Nar, K. A. Ahmad, "A Study of Novel Concept of Flow Control”, 2nd Regional Conference on Vehicle Engineering and Technology Kuala Lumpur 15-17 July 2008 12)A.T. Kamaruddin, M. B. Hashim, K. A. Ahmad, "Fabrication and Testing a Do-It-Yourselves (DIY) Solid Propellent Rocket ", 2nd Regional Conference on Vehicle Engineering and Technology Kuala Lumpur 15-17 July 2008 13)Ahmad K. A. "CFD Simulations of Oscillating Sub-Boundary Layer Vortex Generator (SBVG)”, Proceeding of Joint Meeting, Inauguration of Indonesia section of JSME, International Chapter & Aun/Seed-Net Regional Workshop on Mechanical and Aerospace Engineering, ITB Indonesia, 23-24 July 2008, pp 256-271 14)M.K. Abdullah, M.Z. Abdullah, C.Y. Khor, Y. Ooi, M.V. Ramana, K.A. Ahmad, Z. Mohd Ripin, M.A. Mujeebu , "Effect of Piezoelectric Fan on Flow and Heat Transfer for Electronics Cooling Applications", The 10th International Conference Electronics Material and Packaging, Taiwan 22-24 Oct 2008 15)N.A. Saad, M. Templeton, N. Graham, H. A. Aziz, and K.A. Ahmad, "Optimising the Oxidation Ditch Process by Advanced Modelling Methods", International Conference on Environment 2008, Penang , Malaysia , 15-17 December 2008 (Accepted) 16)F. Hussin and K.A. Ahmad, "Oscillating Sub Boundary Layer Vortex Generator (SBVG) Mechanism based on Scotch Yoke Concept", AEROTECH Nov 2009 (Accepted) 17)N.F.Zulkefli, M.Zubair and K.A.Ahmad, "Numerical simulations for co-and counter-rotating oscillating sub-boundary layer vortex generator (SBVG)", AEROTECH Nov 2009 (Accepted) 18)M.K. Abdullah, M.B. Hashim, M.Z. Abdullah,M.A. Mujeebu, F.Hussin, H.Yusoff, N.C. Ismail, K.A. Ahmad, “Experimental and Numerical Investigation on Effect of Piezoelectric Fan Locations/Arrangement with Simple Heat Sink for Microelectronics Cooling”, the 11th EMAP Conference, Penang 2nd -3rd Dec 2009 (Scopus Indexed) 19)M.K. Abdullah, M.B. Hashim, M.Z. Abdullah,M.A. Mujeebu, F.Hussin, H.Yusoff, N.C. Ismail, K.A. Ahmad, F.Ismail, Z.Mohd Ripin, “Heat Transfer Investigation on Effect of Multi-Piezoelectric Fan Locations/Arrangements with Simple Heat Sink for Microelectronics Cooling”, the 11th EMAP Conference, Penang 2nd -3rd Dec 2009 (Scopus Indexed) 20) M.K. Abdullah, M.B. Hashim, M.Z. Abdullah,M.A. Mujeebu, F.Hussin, H.Yusoff, N.C. Ismail, K.A. Ahmad, F.Ismail, Z.Mohd Ripin, “Study on Piezoeletric Fan Height on the Cooling Performance of PLCC Electronic Package”, Proceedings of the 20th National and 9th International ISHMT-ASME Heat and Mass Transfer Conference January 4-6, 2010, Mumbai, India 21)N.A. Saad, M. Templeton, N. Graham, H. A. Aziz, and K.A. Ahmad “Energy Use of Implications of Effluent Quality Targets For the Oxidation Ditch Process in Wastewater Treatment”, The 11th UK National Young Water Professional Conference, 14-15th April 2010, Cranfield University 22)Mohammed Zubair, Vizy Nazira Riazuddin, Mohammed Zulkifly Abdullah, Rushdan Ismail, Ibrahim Lutfi Shuaib, Suzina Abdul Hamid, Kamarul Arifin Ahmad,”Use of Numerical Methods in Determining the Airflows Dynamics and Impedance within the Nasal Cavity”, Conference on Aerospace and Mechanical Engineering, World Engineering Congress 2010, Kuching 2-5- August 2010 23)Vizy Nazira Riazuddin, Mohammed Zubair, Mohammed Zulkifly Abdullah, Rushdan Ismail, Ibrahim Lutfi Shuaib, Suzina Abdul Hamid, Kamarul Arifin Ahmad,”Numerical Study of the Nasal Resistance and Flow Features inside the Nasal Cavity using the Pull Flow”, Conference on Aerospace and Mechanical Engineering, World Engineering Congress 2010, Kuching 2-5- August 2010 24)F. Hussin and K.A. Ahmad, “Oscillating Sub Boundary Layer Vortex Generator (SBVG) Mechanism based on Four Bar Linkage Control” ”, Conference on Aerospace and Mechanical Engineering, World Engineering Congress 2010, Kuching 2-5- August 2010 25)N. F. Zulkefli and K.A. Ahmad,”Numerical Simulation of the effect of streamwise vortices on turbulent boundary layer” ”, Conference on Aerospace and Mechanical Engineering, World Engineering Congress 2010, Kuching 2-5- August 2010 26) M.Zubair, M.Z.Abdullah, Suzina A. H, I.Rushdan, I.L. Shuaib, K.A. Ahmad, “Numerical study on the role of inferior turbinates inside the nasal cavity” . The 5th WACBE World Congress on Bioengineering.Tainan, Taiwan. August 18-21, 2011. (Accepted for presentation) 27) M.Zubair, M.Z.Abdullah, Suzina A. H, I.Rushdan, I.L. Shuaib, K.A. Ahmad, “Significance of hybrid mesh for nasal flow studies” . The 5th WACBE World Congress on Bioengineering. Tainan, Taiwan. August 18-21, 2011. (Accepted for presentation)
1) Ahmad,K.A.,“Numerical Investigation of the Performance of an Oscillating Sub-Boundary Layer Vortex Generator”,
PhD Thesis April 2006, Queen's University Of Belfast
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