Intrinsically conducting polymers (ICPs), most notably polyaniline (PANI), have fundamentally bridged the gap between conventional insulating plastics and metallic conductors. However, the commercial and industrial integration of PANI remains hindered by its rigid aromatic backbo...
Open access
Research Article10.9734/psij/2026/v30i3951
Electromagnetic wave propagation is fundamental to AM broadcasting, where signal quality depends on field strength influenced by frequency, terrain, atmospheric conditions, and antenna design. This study addresses the problem of limited coverage and signal degradation in medium-w...
Open access
Research Article10.9734/psij/2026/v30i3952
Ground clutter remains a significant challenge in radar systems because low-frequency reflections from stationary objects can mask or distort high-frequency target signals, thereby reducing detection accuracy and overall system performance. This study presents the comparative des...
Open access
Research Article10.9734/psij/2026/v30i3950
This study presents a spectral collocation analysis of entropy generation in a laminar boundary layer flow with coupled heat and mass transfer. The model considers a steady, two-dimensional, incompressible, and Newtonian flow over a flat plate with constant thermophysical propert...
Open access
Research Article10.9734/psij/2026/v30i3949
Background: Understanding subsoil corrosivity is critical in foundation and infrastructure design, particularly for projects involving buried metallic structures such as pipelines, storage tanks, foundation reinforcements, and cathodic protection systems. Despite the extensive ap...
Open access
Research Article10.9734/psij/2026/v30i3948
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