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Experimental investigation of free convection from a horizontal semicircular cylinder at different orientations, Journal of Engineering Sciences, Assuit University, Vol. 30, No. 3, pp.731-744. Experimental Evaluation of Diesel Engine Performance and emission using blends of jojoba oil and Diesel fuel, Energy Conversion and Management, Vol. 45 , pp.2093-2112. Performance and emission characteristics of Diesel engine using blends of jojoba oil and jojoba methyl ester with gas oil, Journal of Engineering Sciences, Faculty of Engineering, Ain Shams University, Egypt, Vol. 39, No. 2, pp. 473-495. Cooling an array of multiple heat sources by a row of slot air jets, Journal of Engineering Sciences, Faculty of Engineering, University of Assiut, Egypt, Vol. 32, No. 2, pp. 837-858. Fusion d’une particule en "sédimentation", Congrès Français de Thermique, Presqu île de Giens, 25-28 Mai, SFT , Volume 1, pp.149-154. 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Numerical approaches for microscopic modelling of solute redistribution during solidification of binary alloys, Heat and Mass Transfer, 42: 347–358. On the numerical modeling of alloy solidification using a single-domain coupled dual-scale model, 4th International conference on Heat Transfer, Fluid Mechanics and Thermodynamics, Cairo-Egypt. Effects of exhaust port geometry and confinement surface protrusions on heat transfer behavior of impinging slot jets,4th International conference on Heat Transfer, Fluid Mechanics and Thermodynamics, Cairo-Egypt. Heat transfer enhancement of multiple impinging slot jets with symmetric exhaust ports and confinement surface, Applied Thermal Engineering, Vol. 26, 1310-1319. Heat transfer enhancement of multiple impinging slot jets with symmetric exhaust ports and confinement surface, Applied Thermal Engineering, Vol. 26, 1310-1319. A micro/macro model for numerical simulation of dendritic alloy soldification, Modeling of Casting, Welding and Advanced Solidification Processes XI MCWASP Conference, Opio, France, May. Convection naturelle dans des systèmes mixtes fluide-poreux de grande extension : application à l’isolation de l’habitat, Congrès Français de Thermique, SFT 2006, Île de Ré, 16-19 mai. Thermal Energy Storage Systems for Electricity Production Using Solar Energy Direct Steam Generation Technology, Chemical Engineering and Processing, vol. 47, pp. 499-507. Etude de l’ascension d’un glaçon sphérique au sein d’une colonne d’eau, Congrès Français de Thermique, SFT 2006, Île de Ré, 16-19 mai . A numerical investigation and parametric study of cooling an array of multiple protruding heat sources by a laminar slot air jet, International Journal of Heat and Fluid Flow, Volume 28, Issue 4, pp. 787-805. A dual-scale coupled micro/macro segregation model for dendritic alloy solidification, Heat Mass Transfer , 42, 1129-1141. Convection phenomenon in mineral wool installed on vertical walls, Int. Congres “New Tendances in Thermal Insulation of Buildings, Moscou (Russie), 7-10 Novembre. Heat transfer modelling within graphite/PCM composite materials for high temperature energy storage, Ecostock 2006, The tenth international conference on thermal energy storage, May 31 –June 2,at the Richard Stockton College of New Jersy, USA. Determination of Two media contact conditions during rapid solidification : Application for droplet impact and solidification 22^nd European Conference on Liquid Atomization and Spray Systems, Como Lake, Italy. Détermination des conditions de contact de milieux avec cinétique de solidification rapide. Congrès français de Thermique, Société Française de Thermique. Toulouse. Study of heat and mass transfer in a dehumidifying desiccant bed with macro-encapsulated phase change materials, Renewable Energy, 34, pp. 718–726 Etude des transferts de masse et de chaleur dans un lit déshumidificateur déshydratant à matériau à changement de phase macroencapsulé, 8th JEMP, Lyon, France. Convection Phenomenon in mineral wool installed on vertical walls, Building Physics Symposium, 29-31 Oct., Katholieke Universitiet, Belgium. Heat and mass transfer in a composite bed of silica gel and macro-encapsulated PCM for dehumidification, EUROTHERM , Indohoven, Netherlands. Experimental and numerical investigations on the performance of dehumidifying desiccant beds composed of silica-gel and thermal energy storage particles, Heat and Mass transfer, Vol. 45, pp. 545-561. Characterization of granular phase changing composites for thermal energy storage using the T-history method, International Journal of Energy Research, DOI: 10.1002/er.1560.