"Influence Of The Thermal Properties Of Heating Metal On Heat Transfer Coefficients In Nucleate Pool Boiling", Journal of Engineering and Applied Science, Faculty of Engineering – Cairo University, Vol. 39, No. 6, pp. 1159 –1174, December . "Influence Of Metallic And Non-Metallic Coatings On The Heat Transfer Coefficient During Pool Boiling Heat Transfer To Refrigerant-11", Engineering Research Bulletin, Faculty of Engineering & Technology "Effect Of Heating Surface Inclination On Nucleate Pool Boiling Heat Transfer", Journal of Engineering and Applied Science, Faculty of Engineering "A Study Of Absorption Refrigeration In Solar Applications", First International Conference Trade Fair on Environmental Management & Technologies, Vol. 2 EXPERIMENTAL INVESTIGATION OF A BOX – TYPE SOLAR OVEN" Journal of Engineering and Applied Science, Faculty of Engineering – Cairo University, Vol. 45, No. 4, pp. 549 –565, August "METHODS OF IMPROVING THE PERFORMANCE OF THE ROOF TYPE SOLAR STILL", Journal of Engineering and Applied Science, Faculty of Engineering 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 Evaporating Wick ",11th International Mechanical Power Engineering Conference, Mataria, Vol. 1, pp. R70 – R82, February. Augmentation of the Heat Transfer in Evaporator Tubes Under Swirl Flow”, Al-Azhar Engineering Sixth International Conference, September 1-4, Cairo, Egypt, pp. 135-152. The Effect of Surface Roughness on the Heat Transfer Through the Evaporator Tubes”, Al-Azhar Engineering Sixth International Conference, September 1-4, Cairo, Egypt, pp. 153-17. "EXPERIMENTAL INVESTIGATION OF A THERMOELECTRIC REFRIGERATOR", Al-Azhar University Engineering Journal, AUEJ, Volume 4, Number 3, pp. 1- 16, July . 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). Heat Transfer Characteristics of Gravity Assisted Heat Pipes With Inserting Concentric Finned Tubes”, Journal of Engineering Research, Faculty of Eng., Mataria, Helwan University, Cairo, Egypt, Vol.80, pp. 163-183. Heat Transfer Characteristics of a Packed Heat Pipe ”, Journal of Engineering Research, Faculty of Eng., Mataria, Helwan University, Cairo, Egypt, Vol.80, pp. 184-204. 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). Investigation of Film Condensation of R-11 in Internally Grooved Horizontal Tubes on The Heat Transfer and Pressure Drop”, Journal of Engineering Research, Faculty of Eng., Mataria, Helwan University, Cairo, Egypt, Vol.81, pp. 131-151. Heat Transfer Characteristics of Gravity Assisted Heat Pipes With Inserting Concentric Finned Tubes”, Journal of Engineering Research, Faculty of Eng., Mataria, Helwan University, Cairo, Egypt, Vol.89, pp. M14-M41. "Passive Techniques To Enhance Nucleate Pool Boiling Of R-134a", Journal of Engineering Research, Faculty of Eng. & Tech., Mataria, Helwan University, Vol. 95, pp. M92-M114, October . "Nucleate Pool Boiling Heat Transfer Of R-134a From Porous Surfaces", Journal of Engineering Research, Faculty of Eng. & Tech., Mataria, Helwan University, Vol. 96, pp. M62-M85, December . "Effect Of Vibrations On Boiling Heat Transfer In Vehicle Air Conditioner", Journal of Engineering Research, Faculty of Eng. & Tech., Mataria, Helwan University, Vol. 97, pp. M30-M51, February . Nucleate Boiling Heat Transfer Coefficients Of R-134ِِِ Over Enhanced Tubes", Journal of Engineering Research, Faculty of Eng. & Tech., Mataria, Helwan University, Vol. 98, April. Co-generation Seawater Ro, Part I: Elements Characteristics", International Journal of Nuclear Desalination, ENGLAND, Vol. 3. Evaporation Heat Transfer Inside Internally Grooved Horizontal Tubes Using R134a”, Eng. Research Journal, Faculty of Eng. and Technology, Mataria, University of Helwan, EGYPT, Vol. 112 (August).