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M. Dada,O.B. Awojoyogbe,K. Boubaker 한국물리학회 2009 Current Applied Physics Vol.9 No.3
This study presents temperature profiling theoretical investigations in a pyrolysis spray model. Calculations are based on heat transfer equation resolution in cylindrical coordinates. Boundary conditions are taken into account in the resolution algorithm at different stages. This study presents temperature profiling theoretical investigations in a pyrolysis spray model. Calculations are based on heat transfer equation resolution in cylindrical coordinates. Boundary conditions are taken into account in the resolution algorithm at different stages.
O.B. Awojoyogbe,O.P. Faromika,Folorunsho O. Moses,M. Dada,K. Boubaker,I.A. Fuwape 한국물리학회 2010 Current Applied Physics Vol.10 No.1
In this study, the Bloch NMR flow equations are modelled into diffusion equation with constant transport coefficient in terms of the NMR transverse magnetization. Mathematical conditions are established for the diffusion coefficients to be constant or spatially varied with direction. When these conditions are met, the diffusion coefficients can then be easily evaluated in terms of Boubaker polynomials for the study of flow in restricted geometries.
M. Haj Lakhdar,B. Ouni,R. Boughalmi,T. Larbi,A. Boukhachem,A. Colantoni,K. Boubaker,M. Amlouk 한국물리학회 2014 Current Applied Physics Vol.14 No.8
Antimonite (Sb2S3) thin films have been synthesized through an annealing process in sulfur vapors at 300 C of Sb thermal evaporated films. Deposited films have been characterized by X-ray diffraction, scanning electron microscopy and UVeviseNIR spectroscopy. X-ray diagrams of these films have confirms that they were well crystallized in orthorhombic structure and some parameters such as the lattice parameter, crystallite size, microstrain and degree of preferred orientation have been reported and correlated with the effect of crystallite size. Optical properties of Sb2S3 films have been characterized by solid-state UVevisible absorption spectroscopy, and the band gap Eg was between 1.75 and 2.23 eV. Moreover, additional opto-thermal investigation and analyses within the framework of the Lattice Compatibility Theory provided plausible explanation for thickness-dependent incorporation of sulfur element inside antimony elaborated matrices.