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Arabian Journal for Science and Engineering OnlineFirst articles

19-01-2022 | Research Article-Civil Engineering

Behaviour of Geopolymer Concrete Two-Way Slabs Reinforced by FRP Bars After Exposure to Elevated Temperatures

This study investigates the residual mechanical behaviour of geopolymer concrete (GC) slabs reinforced with fibre-reinforced polymer (FRP) bars after exposure to elevated temperatures. For the aim of the study, a comprehensive experimental study …

Sarwar H. Mohmmad, Mehmet E. Gülşan, Abdulkadir Çevik

18-01-2022 | Research Article-Mechanical Engineering

Design and Development of IEG Control and Characterization of Micro-holes Generated Using In-house Developed µ-ECM Setup

Micro-electrochemical machining (µ-ECM) is a non-conventional machining process used for machining various micro-features on any conducting engineering materials with the required size and shape irrespective of the material's hardness. The present …

S. Aravind, Somashekhar S. Hiremath

18-01-2022 | Research Article-Computer Engineering and Computer Science

A Novel Distributed Stack Ensembled Meta-Learning-Based Optimized Classification Framework for Real-time Prolific IoT Traffic Streams

The concurrence of state-of-the-art Industrial 5G, Cyber-Physical Systems, Smart-Systems, Industrial Internet of Things, and Additive Manufacturing paves the next-level digital remodeling. However, the transfiguration unwittingly tailpiece an …

Manish Snehi, Abhinav Bhandari

18-01-2022 | Research Article-Civil Engineering

Effects of Liquid Nitrogen Cooling on the Microstructure Properties of Nano-Modified Concrete Under Hot Conditions

Placement of concrete in hot weather regions is a big challenging due to the thermal cracking and durability problems, and therefore cooling concrete is a common practice. Multiple methods have been used to control and reduce placement temperature …

Iman Kattoof, Maan S. Hassan, Shatha S. Hasan

18-01-2022 | Research Article-Petroleum Engineering

Investigation of Adsorption Behaviors of Paraffin Waxes on Iron, Iron II Oxide, and Iron III Oxide Surfaces Using the Adsorption Locator Model

Waxes deposition in pipelines leads to pressure drop, reduced effective cross-sectional area, and blockages. Although mathematical models and experimental loops were used to model wax precipitation, its prediction at molecular levels is not fully …

Ballo Mwendapole Lonje, Gang Liu

18-01-2022 | Research Article-Computer Engineering and Computer Science

Enhanced UAVs Mobility Models for Surveillance and Intruders Detection Missions

The use of chaotic solutions in designing UAVs’ (Unmanned Aerial Vehicles) mobility models for surveillance systems is becoming the trend in the last years. The substitution of the random part by a chaotic solution of a dynamic system has proven …

Mohammed Chaker Boutalbi, Mohamed Amine Riahla, Aimad Ahriche

18-01-2022 | Research Article-Computer Engineering and Computer Science

A Hybrid Feature Selection Approach for Parkinson’s Detection Based on Mutual Information Gain and Recursive Feature Elimination

Parkinson's disease, which affects the neurological system of patients, is the second most common neurodegenerative ailment after Alzheimer's disease. Parkinson's disease is most common in adults over sixty and advances slowly. Parkinson's disease …

Rohit Lamba, Tarun Gulati, Anurag Jain

17-01-2022 | Research Article-Computer Engineering and Computer Science

Detection of Diabetic Retinopathy (DR) Severity from Fundus Photographs: An Ensemble Approach Using Weighted Average

Diabetic retinopathy is a common diabetic disease that affects the retina and can result to blindness if not treated initially. Deep learning (DL)-based models are proposed to detect the blood abnormalities in the retinal tissue due to diabetes …

Mulagala Sandhya, Mahesh Kumar Morampudi, Rushali Grandhe, Richa Kumari, Chandanreddy Banda, Nagamani Gonthina

17-01-2022 | Research Article-Electrical Engineering

Systematic Realization of CFOA Based Rössler Chaotic System and Its Applications

In this paper, systematic realization of Rössler’s chaotic system is put forward. The governing equations of Rössler chaotic system are realized with current feedback operational amplifier (CFOA) and an analog multiplier. Existing Rössler chaotic …

Kriti Suneja, Neeta Pandey, Rajeshwari Pandey

17-01-2022 | Research Article-Chemical Engineering

Visible Light Mediated Photocatalytic Reduction of CO2 to Non-fossil Fuel and Valuable Products by Polyaniline-TiO2 Nanocomposites

CO2, a major contributor for global warming may be considered as a free source of carbon and can be converted into hydrocarbons. Mimicking the photosynthesis process that utilizes light energy to convert CO2, is the favorable option, and solar …

Koona Prabhu Teja, Vidya Shetty Kodialbail

17-01-2022 | Research Article-Petroleum Engineering

Artificial Intelligence-Based Model of Mineralogical Brittleness Index Based on Rock Elemental Compositions

Brittleness Index (BI) is among the key parameters used to evaluate zones of interest or “sweet spots” before drilling and hydraulic fracturing in unconventional reservoirs. Several methods can be used to calculate the BI, including mineral-based …

Amjed Hassan, Septriandi Chan, Mohamed Mahmoud, Murtada Saleh Aljawad, John Humphrey, Abdulazeez Abdulraheem

17-01-2022 | Research Article-Physics

Synthesis and Characterization of rGO/GaP Nanocomposites Synthesized via Chemical Method Coupled with Investigation of Their Supercapacitive Behavior

In this report, reduced graphene oxide/gallium phosphide (rGO/GaP) nanocomposites (NCs) were synthesized by a one-step facile chemical method using GaP powder and rGO as precursors. For the first time, the chemically prepared rGO/GaP NCs with a …

Sumitra Nongthombam, Sayantan Sinha, Naorem Aruna Devi, Soumyadeep Laha, Bibhu P. Swain

17-01-2022 | Research Article-Computer Engineering and Computer Science

Predicting Student Performance from Online Engagement Activities Using Novel Statistical Features

Predicting students’ performance during their years of academic study has been investigated tremendously. It offers important insights that can help and guide institutions to make timely decisions and changes leading to better student outcome …

Ghassen Ben Brahim

17-01-2022 | Research Article-Electrical Engineering

Effect of Second Phase on the Pitting Corrosion of ZL101A Aluminum Alloy in Thin Electrolyte Layer Environment Containing Cl

The pitting corrosion of ZL101A aluminum alloy in the thin electrolyte layer containing Cl− was studied through the salt spray test. The pitting corrosion behavior was mainly characterized by scanning electron microscopy, electrochemical …

Xiaoming Ding, Zhen Liu, Qinglin Li, Tianyi Zhang, Chao Liu

17-01-2022 | Research Article-Civil Engineering

Microstructural Evaluation of the Effect of Initial pH on Geotechnical and Geoenvironmental Characteristics of Marl Soils

The present study aims at studying the effect of initial pH on some geotechnical and geoenvironmental properties of marl soils. For this purpose, marl soils with different initial pHs were prepared by adding 1 M sodium alkali hydroxide (NaOH) and …

M. Amiri, R. Salehian

17-01-2022 | Research Article-Earth Sciences

Predictive Performances of Ensemble Machine Learning Algorithms in Landslide Susceptibility Mapping Using Random Forest, Extreme Gradient Boosting (XGBoost) and Natural Gradient Boosting (NGBoost)

Across the globe, landslides have been recognized as one of the most detrimental geological calamities, especially in hilly terrains. However, the correct determination of landslide-prone fields remained a challenging task due to the nonlinear …

Taskin Kavzoglu, Alihan Teke

16-01-2022 | Review Article--Civil Engineering

Hydraulic Design and Analysis of Piano Key Weirs: A Review

Dams are multipurpose structures that provide water for drinking purposes, hydroelectric power generation, navigation, industrial uses, and irrigation, in addition to flood control. The loss of storage due to siltation or submergence can be …

Deepak Singh, Munendra Kumar

16-01-2022 | Research Article-Mechanical Engineering

Oldroyd-B Nanoliquid Flow Through a Triple Stratified Medium Submerged with Gyrotactic Bioconvection and Nonlinear Radiations

In this study, a theoretical analysis is performed to address the features of heat and mass transfer phenomena of two-dimensional viscous fluid flow of Oldroyd-B nanofluid over a vertical stretched sheet which contains gyrotactic microorganisms by …

Kotha Gangadhar, Manda Aruna Kumari, M. Venkata Subba Rao, Ali J. Chamkha

16-01-2022 | Research Article-Physics

Influence of Substrate Temperature on the Photovoltaic/Optoelectronic properties of Spray-Synthesized Yttrium Copper Selenide (YCS) Thin Films

Spray-synthesized yttrium-doped CuSe with emphasis on the effect of substrate temperature ranging from 140 to 200 °C photovoltaics/optoelectronic properties is reported in this study. The energy dispersive spectroscopy investigation confirmed the …

Nwamaka Ifeyinwa Akpu, Anyalewechi Daniel Asiegbu, Lebe Agwu Nnanna, Imosobomeh Lucky Ikhioya, Tochukwu Innocent Mgbeojedo

16-01-2022 | Research Article-Electrical Engineering

Design of a Continuous-Wave Ytterbium-Doped Tunable Fiber Laser Pump for Thulium-Doped Fiber Amplifiers

Fiber lasers are considered to be easily tunable, versatile, compact, maintenance-free, low-carbon footprint, and cost- efficient solutions in variety of applications as compared to conventional semiconductor lasers. These devices can be easily …

Jawad Mirza, Salman Ghafoor, Anila Kousar, Benish Kanwal, Khurram Karim Qureshi