This work presents an experimental study of the drying process of tomato in thin layer thanks to an indirect solar dryer operating in natural convection called "solar tower dryer". This experiment was performed under varying conditions of solar radiation. The objective of this st...
Open access
Research Article10.9734/AJOPACS/2017/38307
Computational chemistry is used as computer programming to solve real problems in chemical, pharmaceutical, biotechnological and material science. It uses the results of theoretical chemistry, incorporated into efficient computer programs, to calculate the structures and properti...
Open access
Research Article10.9734/AJOPACS/2017/38092
The study of natural convective boundary layer flow of heat and mass transfer of incompressible viscous dissipative fluid over a porous stretching vertical surface in the presence of thermal radiation with heat absorption in a porous medium is considered. A similarity variables i...
Open access
Research Article10.9734/AJOPACS/2017/37260
Chromium substituted Co-ferrite nanoparticles with general formula CrxCoFe2−xO4 (0≤ x ≤0.5) have been synthesized by using sol-gel technique. The samples were sintered at 900°C for 3hours. The effect of chromium substitution on dielectric properties of Co-ferrites is reported in...
Open access
Research Article10.9734/AJOPACS/2017/36273
This Research of electron impact excitation of autoionizing states of rubidium have calculated the integral cross section using Distorted Wave Method in the range of incident energy of 15.8 -1000 eV. Numerical calculations have been done using a modified dwba1 fortran computer...
Open access
Research Article10.9734/AJOPACS/2017/36120
Resurgence of public interest in the ethnomedical practices in both the developing and developed countries is increasing. Medicinal plants are parts of a plant or the whole plant that possess healing properties. Jatropha curcas (Euphorbiaceae) has been reported severally for its...
Open access
Research Article10.9734/AJOPACS/2017/38037
The rare-earth hydrides have received tremendous attention due to their potential applications for hydrogen storage technology, they exhibit intriguing electronic, optical, and mechanical properties. In particular, XH2 series (X= Sc, Y, and La), the prototype for rare-earth dihyd...
Open access
Research Article10.9734/AJOPACS/2017/37660
Zinc doped Ferric Oxide ( ) thin films have been prepared by low cost, ecologically approachable Spin-coating procedure to prepare p-type semiconductor for forming :Zn doped homo-junction photo-electrode for solar water splitting to generate H2 fuels. is naturally n-type semic...
Open access
Research Article10.9734/AJOPACS/2017/37270
Since 1995, researchers conducted studies about the performance issues of air-soil heat exchangers also called Canadian well. In this paper, we used Comsol software to study heat exchanges that take place in an air-soil heat exchanger intended for the air conditioning of a Saheli...
Open access
Research Article10.9734/AJOPACS/2017/37254
Effects of some meteorological parameters on wind energy potential in Calabar have been investigated. The data on wind speed, temperature and relative humidity was obtained by in-situ measurement approach. The relationships between the given meteorological parameters were obtaine...
Open access
Research Article10.9734/AJOPACS/2017/37493
The nutrient yields from three different peels of sweet cassava cultivars (Manihot esculenta Crantz) from three local government areas of Otukpo, Apa and Ushongo in Benue State were investigated. These cultivars include; TMS 98/0581, TMS 98/0505, and TMS 98/0524. The proximate an...
Open access
Research Article10.9734/AJOPACS/2017/36502
Effect of Additives on the Thermal Conductivity of Loamy Soil in CRUTECH farm, Calabar, Nigeria was investigated. The loamy soil and various manure samples was measured in simple ratio of 3 to 1 and thoroughly mixed, then dissolved in water and air dried using an oven. A Lee’s di...
Open access
Research Article10.9734/AJOPACS/2017/36665
In the present work, a study involving a spectral method to solve the reactive Euler and Navier-Stokes equations is performed. The Euler and Navier-Stokes equations, in conservative and finite volume contexts, employing structured spatial discretization, on a condition of chemica...
Open access
Research Article10.9734/AJOPACS/2017/37462
Objectives: The objectives of this research were to show that fine structure constant (a) is an intrinsic property of any matter (element) and 2) to relate it to other physical property of elements such as Bohr’s radius of any element and effective nuclear charge. Methods: The me...
Open access
Research Article10.9734/AJOPACS/2017/36931
In this work, a study involving the Maciel scheme to solve the reactive Favre averaged Navier-Stokes equations, coupled with a turbulence model and the Maxwell equations is performed. The Favre averaged Navier-Stokes equations coupled with the Maxwell equations, in conservative a...
Open access
Research Article10.9734/AJOPACS/2017/36980