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Elsevier.com/locate/enconman, Vol 46, 2005 ,1443-1463 “DEVELOPING HEAT TRANSFER AUGMENTATION IN A RIBBED RECTANGULAR DUCT AITH DIFFERENT INTAKE SHAPES “AUEJVolume 9, Number 2, April 2006 ," Modeling and simulation of loss of the ultimate heat sink in a typical material testing reactor"Elsevier,Annals of Nuclear Energy 51, (2013) 156–166 "Effect of γ -Al 2 O 3 /Water Nanofluid on Heat Transfer and Pressure Drop Characteristics of Shell and Coil Heat Exchanger With Different Coil Curvatures"Journal of Thermal Science and Engineering Applications, Vol 7, Dec. 2015 "Effect of Coil Torsion on Heat transfer and Pressure Drop Characteristics of Shell and Coil Heat Exchanger" Journal of Thermal Science and Engineering Applications, , Copyright 2015 ASME " Experimental Investigation of Coil Curvature Effect on Heat Transfer and Pressure Drop Characteristics of Shell and Coil Heat Exchanger" Journal of Thermal Science and Engineering Applications, Vol 7, March. 2015 ” An Experimental Study of Forced Convection in Horizontal Porous Annuli”, Al-Azhar Engineering Sixth International Conference (AEIC-2000) , Vol.7, pp. 289-304, September (1-4), 2000 EFFECTS OF WINDOW SIZE AND LOCATION AND WIND DIRECTION ON THERMAL COMFORT WITH SINGLE-SIDED NATURAL VENTILATION" World Renewable Energy Congress VIII (WREC 2004). Copyright 2004. Published by Elsevier Ltd. Editor AAM Sayigh. Investigation of effects of window combinations on ventilation characteristics for thermal comfort in buildings" DESL0038.fm Page 256 Monday, April 17, 2006 6:39 PM "Heat Transfer between Fluidized Bed and Horizontal Bundle of Tubes in a Vertical Channel" INTERNATIONAL JOURNAL OF CHEMICAL REACTOR ENGINEERING 8(1) Volume 8 JANUARY 2010 AN INVESTIGATION OF THE EFFECT OF ANTI-VORTEX FILM COOLING ON A FLAT PLATE "Heat Transfer Enhancement in A Latent Heat Thermal Storage System Using Externally Finned Channels: Numerical and Experimental Study" Proceedings of the 2nd Annual Regional Conf. (ASHRAE), REGION AT LARGE ARC_CAIRO EGYPT ,6-8 september 2003,cairo ,Paper no., RAL-3-5 "OPTIMAL LOCATION OF A HEAT SOURCE MOUNTED IN A SUBSTRATE COOLED BY NATURAL CONVECTION"AL-AZHAR ENGINEERING TENTH INTERNATIONAL CONFERENCE December 24 - 26, pp.217- 229 2008 ”Heat Transfer Characteristics of Pulsated Flow Downstream of Abrupt Expansion Through Pipes”, 2nd International Conference of the Engineering Research Division, Advances in Engineering Science & Technologies, 12-14 November 2005 "EFFECTS OF WINDOW SIZE AND LOCATION AND WIND DIRECTION ON THERMAL COMFORT WITH SINGLE-SIDED NATURAL VENTILATION " PMVWorld Renewable Energy Congress VIII (WREC 2004). Copyright 2004. Published by Elsevier Ltd. Editor AAM Sayigh "Hydrodynamic and Thermal Modelling of Gas–Particle Flow in Fluidized Beds."INTERNATIONAL JOURNAL OF CHEMICAL REACTOR ENGINEERING, Volume5, 2007, "Energy Efficient Buildings :Investigation of Thermal Comfort" World Renewable Energy Congress(WREC) vii , 2002, Copywrite 2002 Elsevier Science Effect of Pressure Gradient on Film Cooling From Holes Supplemented by Anti-Vortex Holes "NATURAL CONVECTION IN INCLINED RECTANGULAR ENCLOSURES WITH HONEYCOMB STRUCTURE"AL-AZHAR ENGINEERING, EIGHTH INTRNATIONAL CONFERENCE,Egypt, Dec. 24-27,2004 “EFFECT OF CUTTING CONDITION IN TURNING ON FATIGUE BEHAVIOR OF 0.12% CARBON STEEL”