Engineering Science & Technlogy, Volume 6 Issue 2 (2025), 177-322



Open Access Article

Identification of Optimized Spot Welding Parameters for Advanced Automotive Steels

by Amarjeet Kumar Singh, D. Satish Kumar

ABSTRACT: Due to the increasing demand to reduce weight-to-strength ratios in the automotive industry, the use of Advanced High Strength Steel (AHSS) materials has grown significantly. In automotive...

Open Access Article

Design and Construction of Solar Panel Cleaner

by Rabiu Ahmad Abubakar

ABSTRACT: This study presents an experimental evaluation of a motorized cleaning system designed to enhance the efficiency of Photovoltaic (PV) solar panels by removing surface dust and contaminants. The...

Open Access Article

Development of an Automated Property Prediction System for the Pelletizing Process

by Pranav Tripathi, Sunal S, Manuraj Dadwal, D. Satish Kumar, Prabhat Kumar Ghorui

ABSTRACT: In an integrated steel plant, the iron ore pellet properties affect the productivity and efficiency of the iron- making units. The pelletizing process is very dynamic and is affected by many raw...

Open Access Article

Numerical Study of Vortex Dynamics in MVG-Controlled Hypersonic Flow at Mach 5.0

by Yonghua Yan, Yong Yang, Caixia Chen, Demetric I Baines

ABSTRACT: This study conducts a Large Eddy Simulation (LES) to investigate MVG-controlled hypersonic flow at Mach 5.0, analyzing flow structures such as momentum deficits and coherent vortex formations....

Open Access Article

Modeling and Comparative Analysis of the Compressive Strength of Concretes of Varying Sand Zones Using Scheffe’s Theory

by D. A. Ekpechi, V. C. Opkalaku-nath, U. V. Opara, N. I. Ezeaku, E. I. Nwankwo, C. A. Nwankwo, A. Hassan, C. O. Osasona, D. O. Jackson

ABSTRACT: The characteristics and application of Scheffe's model to evaluate the data collected from the compressive strength of concrete made with sands from two zones (III and IV) have been investigated....

Open Access Article

Improved LDF Model for Unsteady-State Diffusion and Reaction in Porous Catalysts

by Mirosław K. Szukiewicz, Elżbieta Chmiel-Szukiewicz

ABSTRACT: Partial Differential Equations (PDEs) describe chemical or biochemical diffusion and reaction processes and result from the principles of conservation of mass and heat. They most often require...

Open Access Article

A Simulation and Analysis of Sustainable Accommodations: Exploring the Feasibility of Earthships in Cold Regions

by Clara Josefine Schulze Mönking, Stefan Schäfer, Nikola Bisevac

ABSTRACT: In this paper, the thermal performance of an Earthship in New Mexico, Finland, Germany, and Norway is simulated. After testing various design changes and their influence on thermal performance, a...

Open Access Article

Microstructure, Mechanical, and Magnetic Properties of Medium Manganese Steel Subjected to ART Heat Treatment Cycle

by J. N. Mohapatra, M. Vidhyaysaga, D. Satish Kumar

ABSTRACT: A type of low-carbon (0.19 wt.% C), medium-manganese (6.67% Mn) steel containing 0.78% Al was cast and converted into 2 mm thick wrought steel. This type of steel was subjected to austenitization...

Open Access Article

Modelling Chemical Composition / Temperature Effects on Glass-Reinforced Laterite Bricks via D-Optimal Design

by Njuhou Saliou, Cyriaque Rodrigue Kaze, Mache Jacques Richard, Njindam Oumarou Ramadan, Özgur Cengiz, Njoya Dayirou

ABSTRACT: The effect of SiO 2 , Fe 2 O 3 , (CaO + Na 2 O), and firing temperature on the characteristics of lateritic clay bricks produced using lateritic clay and recycled waste glass powder was...

Open Access Article

Impact of Marine Environment and Seawater Bubbles on Underwater RF Communications at 1 MHz, 100 MHz, and 1 GHz

by Ali Ayyad Abdulridha, Ahmad Taha Abdulsadda

ABSTRACT: The underwater area is increasingly important for getting resources, understanding ecology, and maintaining national safety. Communication between underwater vehicles and flying platforms is key...