This study focuses on the dynamics of the subsolar position ( , in Earth radii ) of the magnetopause in response to events originating in corotating interaction regions (CIRs) during the declining phase of solar cycle 24. Based on analyses using the models developed by Shue et al...
Open access
Research Article10.9734/psij/2026/v30i3947
Biomass derived from palm trees represents a renewable energy resource that remains largely underexploited in Guinea, despite its abundance and local availability. Among its components, the palm stem, or stipe, offers significant energy potential due to its lignocellulosic struct...
Open access
Research Article10.9734/psij/2026/v30i3946
The building sector is one of the most energy-intensive and has the most impact on the environment, due to the use of cement for the manufacture of cinder blocks and concrete. Earth-based materials, thanks to their good thermal inertia, combined with a good choice of roof shape,...
Open access
Research Article10.9734/psij/2026/v30i3944
Proton exchange membrane fuel cells (PEMFCs) are electrochemical systems that directly convert the chemical energy of hydrogen into electricity, offering high energy efficiency and low environmental impact. Within these systems, the gas diffusion layer (GDL) plays a critical role...
Open access
Research Article10.9734/psij/2026/v30i3945
This article presents a numerical study of the thermal behavior of walls made from different materials in a hot and dry climate, constituting a first step of thesis work. The main objective is to analyze the temperature evolution inside walls built of hollow cement blocks and loc...
Open access
Research Article10.9734/psij/2026/v30i3943
Space weather disturbances are significantly influenced by geomagnetic storms, which arise from intensified solar wind-magnetosphere coupling. This study examines the correlative dynamics of solar activity indicators (Sunspot Number, F10.7 index), interplanetary parameters (solar...
Open access
Research Article10.9734/psij/2026/v30i3942
This study presents a comprehensive annual assessment of the operational performance of the Souapiti Hydropower Dam, based on data finalized on December 25, 2025, at 24:00. Key energy, hydrological, and operational indicators were carefully evaluated to assess the dam’s contribut...
Open access
Research Article10.9734/psij/2026/v30i2939
In the West African region, power system integration through the West Africa Power Pool (WAPP) is a strategic initiative aimed at enhancing energy security and facilitating cross-border electricity trade. Despite significant progress in regional interconnections, the efficiency a...
Open access
Research Article10.9734/psij/2026/v30i3940
Aims: The microscopic double folding potential is more superior over the conventional square-well potential as it more realistic to represents the nuclear interactions and the introduction of an imaginary potential provides an effective and compact way to model absorption in nucl...
Open access
Research Article10.9734/psij/2026/v30i3941
Goodnews Onyedikachi Ikeh, Hannah Ndidiamaka Okorie, Ibeabuchi J. Ali, Jasmine Kayanian, Rita C. Okpoto, Charles C. Diovu & Sunday Kaura·Physical Science International Journal·2026
While our previous research successfully established the exceptional in vivo safety profile (LD50 > 5000 mg/kg) and the potent antimalarial efficacy of silver nanoparticles synthesized using Gongronema latifolium, and subsequently identified both Sarsasapogenin and Cinchonidin...
Open access
Research Article10.9734/psij/2026/v30i2938
Caladium tricolor tuber starch (CTS) was extracted and used as corrosion inhibitor for mild steel in 0.5M HCl and 0.5M H2SO4 acid media respectively at various concentrations using the gravimetric technique. Results obtained shows that inhibition efficiency of the CTS inhibitor v...
Open access
Research Article10.9734/psij/2026/v30i2937
The efficiency of solar-powered farm machinery is often limited by inadequate heat transfer in conventional working fluids, reducing the thermal performance of parabolic trough solar collectors (PTSCs). Enhancing the thermophysical properties of the working fluid using a binary h...
Open access
Research Article10.9734/psij/2026/v30i2936
Tropical temperature and rainfall variability in Nigeria is driven by interactions between thermal energy, latent and sensible heat fluxes, and large-scale circulation. Hidden Markov Models (HMMs) can link observed meteorological data to underlying thermodynamic regimes, providin...
Open access
Research Article10.9734/psij/2026/v30i2935
This project presents the construction of a low-cost, stand alone smoke detector circuit intended for early warning in the event of smoke emissions. The circuit utilizes smoke sensors as the primary detection unit, capable of sensing a wide range of smoke concentrations. A 9V bat...
Open access
Research Article10.9734/psij/2026/v30i2934
FM signal is one of the major and fastest channels for information dissemination in Nigeria, especially in times of security treats due to the rising insecurity in the nation. However, the quality of radio broadcasting in North-Eastern Nigeria is very poor due to the nature of th...
Open access
Research Article10.9734/psij/2026/v30i2933