RESEARCH PUBLICATIONS

Biography education Education & Outreach Research Group  publicationsProjects

Journal Publications

  1. Wael H. Ahmed, Mufatiu M. Bello, A. Al-Sarkhi, and M. El Nakla, “Flow and Mass Transfer Downstream of an Orifice under Flow Accelerated Corrosion Conditions”, Nuclear Engineering and Design, Vol. 252, pp. 52-67, 2012.

  2. Wael H. Ahmed, Atef M. Mohany, and Yehia A. Khulief, “An Innovative Vibration Sensor for Flow Accelerated Corrosion Measurement”, Recent Patent on Corrosion Science, Vol. 2, pp. 61- 65, 2012.

  3. Wael H. Ahmed, and Hassan M. Badr, “Dual-injection Airlift Pumps: an Enhanced Performance”, Particulate Science and Technology, Vol. 30, pp. 497–516, 2012.

  4. M. Al-Gammal, Wael H. Ahmed, and C. Y. Ching, "Investigation on Wall Mass Transfer Characteristics Downstream of an Orifice", Nuclear Engineering and Design, Vol. 242, pp. 353-360, 2012.

  5. W.H. Ahmed " Experimental investigation of Air-Oil Slug Flow Using Capacitance Probes, Hot-Film Anemometer, and Image Processing ",

     International Journal of Multiphase Flow, Vol. 37, No. 8, pp. 876-887, 2011.

  6. A. AlSarkhi, M. Elnakla, and W.H. Ahmed " Friction factor correlations for gas-liquid/liquid-liquid flows with drag-reducing polymers in horizontal pipes", International Journal of Multiphase Flow, Vol. 37, pp. 501-506, 2011.

  7. W.H. Ahmed " Evaluation of the Proximity Effect on Flow Accelerated Corrosion ", Annals of Nuclear Energy, Vol. 37, pp. 598-605, 2010.

  8. W.H. Ahmed , M. Elnakla, and B. Ismail, " Towards Understanding the Critical Heat Flux for Industrial Applications", International Journal of Multiphase Flow, Vol. 36, pp. 153-165, 2010.

  9. A. A. Nassr, W. W. El-Dakhkhni, and W. H. Ahmed,“Biodegradation and De-bonding Detection of Composite-wrapped Wood Structures” Journal of Reinforced Plastics and Composites, Vol. 29 No. 15, pp. 2296-2305, 2010.

  10. Kassab, S. Z., Kandil, H. A., Warda, H. A., and W. H. Ahmed “Air-Lift Pumps Characteristics under Two-Phase Flow Conditions” ”, International Journal of Heat and Fluid Flow, Vol. 30, pp. 88-98, 2009.

  11. B. Ismail, W.H. Ahmed “Thermoelectric Power Generation using Waste-Heat Energy as an Alternative Green Technology” Recent Patents in Electrical Engineering Journal, Vol 2, pp 27-39, 2009.

  12. A. A. Nassr, W. H. Ahmed, and W. W. El-Dakhkhni “Coplanar-Capacitance sensors for detecting water intrusion in composite structures” Meas. Sci. Technol. Vol. 19 No. 7, 075702, 2008.

  13. W.H. Ahmed, B. Ismail “ Innovative Techniques For Two-Phase Flow Measurements” Recent Patents in Electrical Engineering Journal, Vol. 1, pp. 1-13, 2008.

  14. W.H. Ahmed, C.Y. Ching and M. Shoukri “Development of Pressure, Void Fraction and Liquid Turbulence for Air-Oil Two-Phase Flow across Sudden Expansions”, International Journal of Heat and Fluid Flow, Vol. 29, pp. 194-206, 2008.

  15. W.H. Ahmed, C.Y. Ching and M. Shoukri “Pressure Recovery of Two-Phase Flow across Sudden Expansions”, International Journal of Multiphase Flow, Vol. 33 pp. 575–594, 2007.

  16. Kassab, S. Z., Kandil, H. A., Warda, H. A., and W. H. Ahmed “Experimental and analytical investigations of airlift pumps operating in three-phase flow” Chemical Engineering Journal, Vol. 131 pp. 273–281, 2007.

  17. W.H. Ahmed “Capacitance Sensors for Void-Fraction Measurements and Flow-Pattern Identification in Air–Oil Two-Phase Flow” IEEE sensors Journal, Vol. 6 No. 5, pp. 1153-1163, 2006.

  18. W.H.  Ahmed, C.Y. Ching and M. Shoukri “Local Void Fraction and Liquid Turbulence Measurements of Two-Phase Flow Downstream of a Sudden Expansion” Trans. Inst. of Fluid Flow Machinery (118), 3-14, 2006.

 

Conferences

  1. Wael H. Ahmed, A. Al-Sarkhi, M. El Nakla, and Mufatiu M. Bello, “Effect of  Mass Transfer On Flow Accelerated Corrosion Downstream an Orifice”, The World Congress on Engineering and Technology, Shanghai,  China, Oct. 28 - Nov. 2, 2011.

  2. M. M., Bello and W. H. Ahmed, " On the Effect of Hydrodynamic Parameters on Flow Accelerated Corrosion through Pipes with   Sudden Area Change” 21 International Symposium of Transport Phenomena, Kaohsiung City, Taiwan, Nov. 2-5, 2010.

  3. W. H. Ahmed, " Effective Flow Accelerated Corrosion Maintenance Program for Reliable Power Generating Stations” 3th Symposium on Maintenance, Dhahran, Saudi Arabia, April. 19-20, 2009.

  4. A. A. Nassr, W. H. Ahmed, S. A. Ibrahim and W. W. El-Dakhkhni,”Damage Detection of FRP-Strengthened Reinforced Concrete Structures” 12th International Colloquium on Structural and Geotechnical Engineering, Cairo, Egypt, Dec. 10-12, 2007.

  5. W.H. Ahmed, C.Y., Ching and M. Shoukri “Development of void fraction and liquid turbulence of two-phase flow downstream of sudden expansions” 4th International Conference on Transport Phenomena in Multi-Phase Systems, Gdańsk, Poland, June 26-30, 2005.

  6. W.H.  Ahmed, C.Y. Ching and M. Shoukri “A New Model for the Pressure Recovery of Air-Oil Two-Phase Flow across a Sudden Expansion” CD proceedings, 3rd International Symposium on Two-Phase Flow Modeling and Experimentation, Pisa, Italy, Sep. 22-25, 2004.

  7. W.H.  Ahmed, C.Y. Ching and M. Shoukri “Capacitance Sensors for Void Fraction Measurement and Flow Pattern Identification” CD proceedings, CSME Forum, London, Ontario, Canada, May 2004.

  8. W.H. Ahmed, C.Y. Ching and M. Shoukri “Characteristics of Air-Oil Two-Phase Flow across a Sudden Expansion” Proc. 4th ASME/JSME Joint Fluid Eng. Conf., V.2B, pp. 1765:1772, Honolulu, Hawaii, USA, July 6-11, 2003.

  9. W.H.  Ahmed, C.Y. Ching and M. Shoukri “Pressure Recovery of Air-Oil Two-Phase Flow across Sudden Expansions” CD proceedings, CSME Forum, Kingston, Ontario, Canada, May 2002.

  10. S. Z. Kassab, H. A. Kandil, H. A. Warda and  W.H. Ahmed “Performance Of An Airlift Pump Operating In Two-phase Flow” Proceedings of the 7th International Congress on Fluid Dynamics and Propulsion (ICFDP7), Cairo, Egypt, 18-20 December, 2001.

  11. S. Z. Kassab, H. A. Kandil, H. A. Warda and  W.H. Ahmed “Performance Of An Airlift Pump Operating In Two-phase Flow” Proceedings of the 7th International Congress on Fluid Dynamics and Propulsion (ICFDP7), Cairo, Egypt, 18-20 December, 2001.

  12. W.H. Ahmed, C.Y. Ching and M. Shoukri  "Contribution of the Wall Pressure to the Pressure Recovery of Two-Phase Flow across Sudden Expansions", 1000 Island Fluids Mechanics Meeting, 2004.

  13. W.H. Ahmed, C.Y. Ching and M. Shoukri  "Two-Phase Flow Regime and Void Fraction Change Across Sudden Expansions", 1000 Island Fluids Mechanics Meeting, 2003.

  14. W.H. Ahmed, C.Y. Ching and M. Shoukri "Pressure Recovery of Air-Oil Two-Phase Flow Across Sudden Expansions", 1000 Island Fluids Mechanics Meeting, 2002.

 

Patents

  1. Wael H. Ahmed, Abdelsalam Al Sarkhi, and Meamer El Nakla, “Gas-Oil-Water Multiphase Flow Detection”, Patent Pending, US. 13/603,254, 2012.

  2.  Hassan M. Badr, and Wael H. Ahmed, “Oil Water Separator”, Patent Pending, US. 13/544,623, 2012.

  3. Hassan M. Badr, and Wael H. Ahmed, “Dual-injection Airlift Pumps”, Patent Pending, US. 13/154,329, 2011.

Technical Report

  1.  W.H. Ahmed “Trending Flow Accelerated Corrosion in CANDU Reactors” CANDU Owner Group Report No.  07-4065, 2008.

  2. W.H. Ahmed  and C.S. Schefiski, “Review of the CHECWORKS Model and Design Basis for Darlington Nuclear Generating Station AECL, 2006.

  3. W.H. Ahmed, and C.Y. Ching “Pressure Drop of Two-Phase Flow through a Pipe Restriction ", GasTOPS Ltd, report May 2005.

  4. W.H. Ahmed C.Y. Ching and M. Shoukri  "Air-Oil Two-Phase Flow Characteristics through Horizontal Pipes with Sudden Expansions ", Pratt& Whitney Canada report Nov. 2002report May 200