Aim: The aim of this research is to design an automatic fire detection and control. Methodology: The system consists of two sensors, microcontroller, buzzer and a pump/sprinkler. An LM35 integrated chip has been used as temperature sensor while MQ-2 gas sensor has been used as sm...
Open access
Research Article10.9734/ajr2p/2021/v5i130155
Aim: Design Analysis of 7.5KW Stand-alone Solar Photovoltaic Power System for an Intermediate Household. Methodology: A design analysis of standalone 7.5KW PV system was carried out using PV modeling equations based on load estimated. The analyzed data of the solar photovoltaic c...
Open access
Research Article10.9734/ajr2p/2021/v5i130154
We report comparative effect of radiation on Germanium incapacitated Optical fibres and commercially available TLD-100. The experiments were carried out using Siemens linear accelerator (LINAC) Primus Multileaf Collimator (MLC) 3339 to deliver photon and electron beams. The Harsh...
Open access
Research Article10.9734/ajr2p/2021/v5i130153
As it is known that General Theory of Relativity does not explain the current acceleration of the universe, so there are many attempts to generalize this theory in order to explain the cosmic acceleration without introducing some dark components such as the Dark Energy. Because o...
Open access
Research Article10.9734/ajr2p/2021/v5i130152
An analysis of Geothermal Gradients in the Eastern Niger Delta basin was done using Bore Hole Temperature (BHT) data from three (3) adjacent oil fields. BHT data was converted to static formation temperature by using the conventional method of increasing measured BHT data by 10%...
Open access
Research Article10.9734/ajr2p/2021/v4i430151
In this study, photon attenuation parameters of (30-x) SiO2–15PbO–10CdO-xTiO2, with x = 0, 2, 4, 6, 8 and 10% mol, were determined and their application as shielding material were discussed. The WinXCOM software was used to determine the mass attenuation coefficient of the studie...
Open access
Research Article10.9734/ajr2p/2021/v4i430150
Fluorine doped tin oxide, Cadmium Sulphide and Cadmium Telluride thin films have been deposted on Soda Lime glass substrate at respectively by spray pyrolysis (SP) technique and are important semiconductor materials in optoelectronic devices such as optical sensors, light-emit...
Open access
Research Article10.9734/ajr2p/2021/v4i430149
This paper presents the measurement and prediction of received signal level and path loss through vegetation. Results were estimated under free space, single tree, and vegetation conditions which revealed that the presence of isolated trees along a radio path can affect signal pr...
Open access
Research Article10.9734/ajr2p/2021/v4i430148
In this analysis the importance of mathematical modelling of the physical systems has been outlined. The constitutive relations and basic governing equations of motion for homogeneous isotropic elastic semiconductor (n-type) and homogeneous transversely isotropic ( class) piezoel...
Open access
Research Article10.9734/ajr2p/2021/v4i430147
S. U. Yerima, U. Y. Abdulkarim, B. I. Tijjani, U. M. Gana, M. Idris, S. G. Durumin-Iya, M. Sani, R. Aliyu, M. F. Shamsuddeen, U. Y. Khamisu & D. Abdulhadi·Asian Journal of Research and Reviews in Physics·2021
This paper investigates the Impact of relative humidity, varying the concentrations of water-soluble aerosol particle concentrations (WASO), Mineral Nuclei Mode Aerosols Particle Concentration (MINN), mineral accumulation mode, nonspherical (MIAN) aerosol particles concentrations...
Open access
Research Article10.9734/ajr2p/2021/v4i330146