“Upwind Finite Element Analysis of Advection–Diffusion Equation”, 4th International Conference on Numerical Methods in Thermal Problems, Ed. Zienkewcz O. C. et al., Swansea, UINTED KINGDOM, (July 15-18). “Computer Modeling of Underground Coal Gasification Using the Permeation Method”, Transactions of ASME, Jr. of Energy Resources Technology, Vol. 109, (March). “Heat Transfer in Hollow Blocks Using Finite Element Approach”, Proceedings of New Energies and Energy Conversion, Mansoura University, EGYPT. “Numerical Analysis for Heat Conduction in Solids with Temperature-Dependent Properties”, 3rd Conference on Applied Mech. Eng., Military Technical College, Cairo, EGYPT, Me-7, (April). “Finite Element Solution of Unsteady Flow of Gas Through Porous Media” , Proceedings of the 4th International Conference on Mechanical Engineering and Technology, Shobra Faculty of Eng., Zagazig University, Cairo, EGYPT, (March). “Thermal Performance of a Sensible Heat Energy Storage Unit”, Scientific Bulletin of Faculty of Eng., Ain-Shams Univ., EGYPT, Vol. 24, No. 2, (August). “Heat Transfer with Moving Boundary in Melting/Solidification Processes”, Proceedings of the 7th international Conference of Mech. Power Eng., Faculty of Eng., Cairo University, EGYPT, (Dec.). “Turbulent Flow and Heat Transfer in Rectangular Duct with Segmental Baffles of Different Heights”, Eng. Research Bulletin, Faculty of Eng. and Technology, Mataria, University of Helwan, EGYPT, Vol. 1. “Stable Finite Element Scheme for Modeling Convection Dominated Flows”, Eng. Research Bulletin, Faculty of Eng. and Technology, Mataria, University of Helwan, EGYPT, Vol. 2, (April). “A Finite Element Model for Buoyancy-Driven Cavity Flow”, Jr. of Eng. and Applied Science, Faculty of Eng. Cairo Univ., EGYPT, Vol. 39, No. 5, (Oct.). “Experimental Investigation of Heat Transfer and Flow over Baffles of Different Heights”, ASME Jr. of Heat Transfer, Vol. 116, No. 2, (May). “Heat Conduction in Composite Media With Variable Thermal Conductivity”, Eng. Research Bulletin, Faculty of Eng. and Technology, Mataria, University of Helwan, Egypt, Vol. 4, (April ). “Transient Heat Transfer from Fluid Flowing in Buried Pipe”, Eng. Research Bulletin, Faculty of Eng. and Technology, Mataria, University of Helwan, EGYPT, Vol. 4, (April ). “Combustion Modeling of Cylindrical Channel Made of Carbon”, Eng. Research Bulletin, Faculty of Eng. and Technology, Mataria, University of Helwan, EGYPT, Vol. 4, (April). “Natural Convection Heat Transfer in Inclined Enclosures of Finite Conductance Walls”, Eng. Research Journal, Faculty of Eng. and Technology, Mataria, University of Helwan, EGYPT, (October). “Improvement of Diffusion Solar Still Performance by Evaporative Wick”, 11th International Mechanical Power Engineering Conference, (Mataria), Cairo, EGYPT (Feb. 5-7 ). “Two-Dimensional Modeling of Solid Fuel Combustion”, Eng. Research Bulletin, Faculty of Eng. and Technology, Mataria, University of Helwan, EGYPT, (Feb.). “Improving Performance of the Diffusion Solar Still”, 12th International Mechanical Power Engineering Conference, (Mansoura), EGYPT, (October 30th). “Analysis of the Intermittent Solar Powered Absorption Cooling System”, Eng. Research Journal, Faculty of Eng. and Technology, Mataria, University of Helwan, EGYPT, Vol. 78, (Dec.). “Performance and Dying Characteristics of Solar Dryers”, Jr. of Eng. and Applied Science, Faculty of Eng. Cairo Univ., EGYPT, Vol. 49, No. 1, (Feb). “Latent Heat Thermal Energy Storage Using Spiral Heat Exchanger”, Al-Azhar University Engineering Journal (AUEJ), EGYPT, Vol. 5, No. 4, (April ). “Investigation of Film Condensation of R-11 in Internally ‎Grooved Horizontal Tubes”, Eng. Research Journal, Faculty of Eng. and Technology, Mataria, University of Helwan, EGYPT, Vol. 81, (June). “The Effect of Poetry Material Lined Inside Evaporator Tubes on the Heat transfer and Pressure Drop”, Scientific Bulletin of Faculty of Eng., Ain-Shams Univ., EGYPT, Vol. 37, No. 2, (June ). “Natural Convection in a Horizontal Cylindrical Porous Annulus”, Eng. Research Journal, Faculty of Eng. and Technology, Mataria, University of Helwan, EGYPT, Vol. 82 (Aug. ). “Heat Transfer and Exergy Analysis of Latent Heat Storage Systems”, Al-Azhar University Engineering Journal, (AUEJ), EGYPT, Vol. 5, No. 4, (Oct. ). Co-generation Seawater Ro, Part I: Elements Characteristics", International Journal of Nuclear Desalination, ENGLAND, Vol. 3.