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All published articles 983

Analytical Approach for Predicting Water Loss in Tubers during Convective Drying: A Case Study on Sweet Potato

Ibrango Abdoul Salam, Ouoba Kondia Honoré, Ganame Abdou-Salam, Sawadogo Ladifou & Bama Désiré · Physical Science International Journal · 2025

In this article, the aim was to develop a method using an analytical approach to determine the reduced water content of sweet potato samples during convective drying. The prediction was made based on a study of the evolution of the drying constant of Newton's model as a function...

Open access Research Article 10.9734/psij/2025/v29i1872

Impact of Precursor Molar Concentration on the Structural and Optical Properties of ZnO Thin Films Synthesized by Ultrasonic Spray Pyrolysis

A. Arslanov, Sh. Yuldashev, N. Botirova, R. Nusretov, J. Murodov & J. Xudoyqulov · Physical Science International Journal · 2025

This study investigates the synthesis and characterization of zinc oxide (ZnO) thin films deposited on silicon substrates using the ultrasonic spray pyrolysis (USP) method at varying precursor molar concentrations (0.3 M, 0.4 M, and 0.5 M) of zinc acetate dihydrate (Zn(C₂H₃O₂)₂·2...

Open access Research Article 10.9734/psij/2025/v29i1871

Analysis of the Efficiency of Iterative Reconstruction Techniques in Reducing Radiation Dose in Computed Tomography: A Clinical Feasibility Study

Nathalia Mundt Bonadeo, Adrine Silveira da Silva, Luísa Vargas Cassol, Thiago Victorino Claus, Gilberto Orengo & Valnir de Paula · Physical Science International Journal · 2025

Aims: This study aimed to evaluate the influence of different interactive reconstruction (IR) techniques between computed tomography (CT) equipment to reduce radiation dose during clinical practice, since CT is considered a valuable medical imaging technique and is widely used in...

Open access Research Article 10.9734/psij/2025/v29i1870

Biophysical Studies with Liquid Model Systems during the Conditions of Electric Corona Discharge and NaCl Solution

Ignat Ignatov, Ludmila Pesotskaya & Georgi Gluhchev · Physical Science International Journal · 2025

The effects of biophysical fields on water and model systems of aqueous solutions have been investigated. In two of three experimental models, an electric field was applied under conditions of corona gas discharge. The biophysical influence was exerted on 120 mL water samples. Fo...

Open access Research Article 10.9734/psij/2025/v29i1869

Design of a Broadband Microstrip Patch Antenna Operating between 1.5 Ghz - 4.5 Ghz

E. A. Archibong & A. O. Njok · Physical Science International Journal · 2025

A printed circuit board-fabricated antenna is known as a microstrip patch antenna (MSA). It consists of a dielectric substrate that is encased in a ground plane on one side and a radiating patch on the other. A MSA's adaptability is enhanced by its small size, light weight, affor...

Open access Research Article 10.9734/psij/2025/v29i1868

Thickness Estimation of a Compressed Earth Brick (CEB) Wall Using a Numerical Model of Coupled Heat and Mass Transfer

Kabré Sayouba, Ouédraogo Siguibnoma Kévin Landry, Timbe N’Djédanoum, Bétaboalé Naon & Zougmoré François · Physical Science International Journal · 2024

Numerical modelling of coupled heat and mass transfer within a CEB wall is presented. Drawing on the work of Luikov, a mathematical model governing coupled heat and mass transfer has been established, taking into account the BTC application environment. Temperature and moisture c...

Open access Research Article 10.9734/psij/2024/v28i6867

Variation of Lightning Activity Over Parts of the Western Coast of Africa

Joseph Ngene Aniezi, Patricia Benedict Otah, Okoro Njoku Onyema, Gabriel Anene, Chinelo Rita Anene & Costecia Ifeoma Onah · Physical Science International Journal · 2024

This study examines the variation of lightning activity along the western coast of Africa using experimental VLF-WWLLN data collected over a five-month period in 2011. A total of 3,885 lightning strokes were analyzed across five geographical regions, spanning from southeastern Gh...

Open access Research Article 10.9734/psij/2024/v28i6866

Performance Evaluation of a Finned Solar Air Collector: Numerical and Experimental Investigation

Guy Christian Tubreoumya, Eloi Salmwendé Tiendrebeogo, Abdoul Fayçal Baguian, Téré Dabilgou, Ousmane GUIRO, Jacques Nébié, Boubou Bagré, Belkacem Zeghmati, Alfa Oumar Dissa, Jean Koulidiati & Antoine Béré · Physical Science International Journal · 2024

The present study aimed to highlight the performance evaluation of a finned solar air collector. This device works in forced conversion and is destined to dry products. The necessity of improving the thermal performances of the solar air collector for specific needs has encourage...

Open access Research Article 10.9734/psij/2024/v28i6865

Development and Preliminary Analysis of a Solar Dryer for Flour Dehydration

Boukaré Ouedraogo, Azara OUEDRAOGO, Moumouni DERRA, Moumouni HEBIE, Kalifa Palm & Dieudonné Joseph Bahiebo · Physical Science International Journal · 2024

Until now, drying flour in full sunlight has been the technique most widely used in Burkina Faso. This method exposes the flour to numerous risks of poisoning, pollution, soiling and destruction of nutritional qualities. Despite this, there are very few documented solutions to th...

Open access Research Article 10.9734/psij/2024/v28i6864

Measurement of Radon Concentration in Selected Buildings in Nnamdi Azikiwe University, Awka

A.B. Chukwurah, A.C. Ezeribe, S.C. Achinike, O.A. Umeasiegwu & E. Onyeisi · Physical Science International Journal · 2024

Radiation due to Radon gas and its progeny constitutes 50% of the total background radiation exposure. The odourless, colourless and tasteless property of the gas makes it difficult to detect its presence. It can only be detected when measured using a detector. The radioactive de...

Open access Research Article 10.9734/psij/2024/v28i6863

Comprehensive Assessment of Ferroresonance and its Effects in Selected Distribution Substations in Nasarawa State, Nigeria

Samson Dauda Yusuf, Aminu Alhaji Abdulhamid & Barnabas John Kwaha · Physical Science International Journal · 2024

Ferroresonance in distribution networks generates harmful harmonics, excessive heating, and potential transformer failures, yet limited research focuses on its impact in Nigerian low-voltage systems. This study examines ferroresonance susceptibility in low-voltage distribution tr...

Open access Research Article 10.9734/psij/2024/v28i6861

Assessment of the Quality of Borehole Water Collected Around Unlined Solid Waste Dumpsites within Awka Metropolis

Amalu U. E, Ekpunobi U. E, Aghanwa C. I & Enenche D. E · Physical Science International Journal · 2024

Groundwater is an important natural resource that is essential to man and other living things. However, it can become polluted resulting from natural and anthropogenic conditions. The quality of selected groundwater samples collected from boreholes around abandoned and active dum...

Open access Research Article 10.9734/psij/2024/v28i6860

Characterization of X-ray Beams: Determination of K\(_{a,e}\) for Comparison with DRLs

Thiago Victorino Claus, Luísa Vargas Cassol, Nataly Nogueira Favarin, Laura Pizarro Trojahn Nogueira, Tobias Soares Gomes, Stefanie Camile Schwarz, Herculis Rolins Torres & Tadeu Baumhardt · Physical Science International Journal · 2024

Aims: The aim of this experimental study was to quantify the entrance surface air kerma (Ka,e) of X-ray beams in radiographic examinations, and the obtained values were compared with national and international Diagnostic Reference Levels (DRLs). Place and Duration of Study: Sampl...

Open access Research Article 10.9734/psij/2024/v28i6859

Dew Point Characteristics at Synoptic Stations in Northern Benin

Hilaire Kougbeagbede, Mamadou Waïdi Onah, Arnaud Houeto & Ferdinand Hounvou · Physical Science International Journal · 2024

The dew point temperature is a very important parameter for hydro and agro-climatological research. This work studied the temporal variability of dew point temperature in Northern Benin. The dew point data comes from three synoptic stations in Northern Benin and covers the period...

Open access Research Article 10.9734/psij/2024/v28i6857