Although quantum theory, relativity and gravity provide excellent predictions of observations in their corresponding domains, a qualitative understanding of these three pillars of fundamental physics and their connection, is still very much lacking. As shown in this paper, by con...
Open access
Research Article10.9734/psij/2023/v27i4799
Aggregates used in the construction of civil engineering works have an impact on the properties of concrete. For several years the central region is famous because of the effects of extraction of natural aggregates on the environment. We conducted laboratory tests on several recy...
Open access
Research Article10.9734/psij/2023/v27i4798
In a previous paper we studied the Kepler problem for the extended Synge’s 2-body problem of classical electrodynamics. We have used the radiation terms introduced in our previous papers and prove an existence–uniqueness of a periodic orbit in polar coordinates which confirmed th...
Open access
Research Article10.9734/psij/2023/v27i4797
Aims: This study aimed at identifying climatic zones over Nigeria. Duration of Study: Daily air temperature data for the 36 states and FCT in Nigeria were obtained from National Aeronautic and Space Administration (NASA) for the period of thirty-seven (37) years (1984-2020). Meth...
Open access
Research Article10.9734/psij/2023/v27i4796
This investigation is based on the phenomenon of quadratic thermal convection in Magneto-Casson fluid flow induced by stretchy material with tiny particles and viscous dissipation effects. The study aims to understand and optimize the complex behaviour of fluid flow and heat tran...
Open access
Research Article10.9734/psij/2023/v27i4795
Togdjim Jonas, Djaldi Tabdi Ngamsou, Mbaïrangone Samson, Malloum Soultan, Alexis Mouangué Nanimina, Nandiguim Lamai & Michel Querry·Physical Science International Journal·2023
Given the need for decent housing and taking into consideration the environment, as well as the search for sustainable materials, in recent years researchers have begun to focus on local biodegradable and ecological materials. It should be noted that the use of building materials...
Open access
Research Article10.9734/psij/2023/v27i3794
This research was aimed at estimating the spatially distributed Water balance components of the catchments in Mekelle area by using WetSpass hydrological model and verifying the model outputs with ground truth. Long term mean metrological data and physical characteristics of the...
Open access
Research Article10.9734/psij/2023/v27i3793
I. T. Adejugbe, J. A. Olowonubi, I. T. Olorunsola, O. A. Oyegunwa, J. O. Ayeni, O. Komolafe & A. K. Ogunkoya·Physical Science International Journal·2023
This hammer mill was fabricated from locally sourced and available materials for grinding of large sized grain particles such as SORGHUM, maize, millet, guinea, etc. into small sizes enough to pass through the holes of the cylindrical sieve positioned beneath the hammer assembly....
Open access
Research Article10.9734/psij/2023/v27i3792
The existence of hypernuclei was discovered in a middle of the last century. During the formation of these nuclei under the action of cosmic rays, one of the nucleons passes into its excited state and turns into the \(\Lambda\)- or \(\Sigma\)-particle. In this paper, it is shown...
Open access
Research Article10.9734/psij/2023/v27i3791
This research work concerns the physical characterizations and the measurement of the thermal conductivities of clay materials stabilized by a mixed binder. At first, the different physical characterizations are carried out for the classification of the study material. Then, cyli...
Open access
Research Article10.9734/psij/2023/v27i3790