In this article, with a view to improving the efficiency of photovoltaic cells, and given the promising yields of silicon heterojunction photovoltaic cells, we have, using a silicon heterojunction cell (a-Si:H/c-Si) doped with (n+p) , studied the contribution of excitons to the i...
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Research Article10.9734/psij/2024/v28i4841
Purpose: This aims to investigate heat and mass transfer characteristics of hybrid Nano fluid slip flow over a permeable sheet with radiative heat flux, variable thermal conductivity and heat source. Methodology: Formulated Mathematical equations are transformed into self-similar...
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Research Article10.9734/psij/2024/v28i4840
This paper discusses the dependence of the kinematic and intrinsic parameters of a silicon heterojunction solar cell, highlighting mobility phenomena. First, a three-dimensional schematic of a HIT (Heterojunctions with Intrinsic Thin layer) cell is established to highlight mobili...
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Research Article10.9734/psij/2024/v28i4839
Energy can be from renewable and non-renewable sources. Solar energy is a clean renewable energy derived from the sun in the form of light and heat. Although, only a small fraction reaches the earth. Perovskite is a generic name referring to materials that exhibits the same cryst...
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Research Article10.9734/psij/2024/v28i4837
Noise levels at Ladipo market in Mushin Local Government Area and Yaba market in Yaba Local Government Area of Lagos State were measured using a sound level meter (DSM Model 325, 32 dB-130 dB). Readings were taken for five consecutive days (Monday–Friday) at three different locat...
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Research Article10.9734/psij/2024/v28i4838
We study the decomposition of interquark potential and quantitatively compare the utility of V(r) \(\approx\) Vabel (r) + Voffdiag (r) and V(r) \(\approx\) Vmon(r) + Vmod(r) by calculating respective average relative deviation. We also study the slope of Vabel(r) and compare it w...
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Research Article10.9734/psij/2024/v28i4836
In the present work, we report the results of radioactivity measurements carried out in soils from the COMINAK and SOMAIR mining areas, using normal mode gamma-ray spectroscopy (NMGS) and thermal neutron activation analysis (TNAA). Radio activities were determined for two series...
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Research Article10.9734/psij/2024/v28i4835
Luísa Vargas Cassol, Nataly Nogueira Favarin, Felipe de Bail, Edmeia Lopes Ramai Buss, Laura Pizarro Trojahn Nogueira, Jéssica Fetzer da Costa Rosa & Thiago Victorino Claus·Physical Science International Journal·2024
Aims: This experimental study investigated the effect of using an anti-scatter grid in computerized knee radiography (CR) on image quality (IQ) and patient surface radiation dose (Equivalent Surface Air Kerma – Ka,e), measured with an ionization chamber. Place and Duration of Stu...
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Research Article10.9734/psij/2024/v28i4834
Given the increased human activities and population growth in Ogwashi-Uku, there is a possibility of potential contamination of the water in the dam with elevated levels of alpha and beta radiation. Therefore, this study aimed to assess the radiological health risks associated wi...
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Research Article10.9734/psij/2024/v28i4833
This research investigated the effects of Variable Thermal Conductivity on MHD fluid on a Rotating Vertical Cone in the Presence of Darcy Forchheimer, Soret and Dufour effects through a porous medium. The system of nonlinear differential equations were transformed into first orde...
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Research Article10.9734/psij/2024/v28i4832
The mixed convection of heat transfer and fluid flow in a - lid drivencubical cavity filled with air is investigated numerically in this study. The computational procedure is based on the finite volume method and a full multigrid acceleration solver. The top wall of the cavity is...
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Research Article10.9734/psij/2024/v28i3831
Current buildings in Burkina Faso, particularly in the Sahelian zone, built with local materials are energy-intensive and sources of discomfort for the occupants. However, the role of housing is to provide man with shelter which protects him from external climatic conditions and...
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Research Article10.9734/psij/2024/v28i3830
The anti-corrosive property of Spondias mombin (SM) leaves extract on low carbon steel (LCS) and aluminium alloy (AA2024) in 1M HCl solution was investigated using gravimetric and electrochemical methods. The results obtained from the weight loss experiment performed at various t...
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Research Article10.9734/psij/2024/v28i3828
Free Space Optical (FSO) communication systems are based on the use of infrared light to transmit information at high speed through the atmospheric channel. Their performance is therefore affected by the characteristics of the atmospheric channel. One of the most widely used meth...
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Research Article10.9734/psij/2024/v28i3829
The objective of this study was to assess the radioactivity levels in soils from Mbeya City and their associated health risks. Samples were collected from selected locations. Then, the samples were analyzed by using an HPGe detector to determine the concentrations of 232Th, 226Ra...
Open access
Research Article10.9734/psij/2024/v28i3827