Adham E. Ragab

ORCID: 0000-0002-7339-6419
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About
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Research Areas
  • Metallurgy and Material Forming
  • Advanced Machining and Optimization Techniques
  • Nanofluid Flow and Heat Transfer
  • Metal Forming Simulation Techniques
  • Advanced machining processes and optimization
  • Laser and Thermal Forming Techniques
  • Nonlinear Photonic Systems
  • Nonlinear Waves and Solitons
  • Aluminum Alloy Microstructure Properties
  • Heat Transfer Mechanisms
  • Fluid Dynamics and Turbulent Flows
  • Advanced Surface Polishing Techniques
  • Aluminum Alloys Composites Properties
  • Innovative concrete reinforcement materials
  • Concrete and Cement Materials Research
  • Thermodynamic and Exergetic Analyses of Power and Cooling Systems
  • Manufacturing Process and Optimization
  • Microstructure and mechanical properties
  • Composite Structure Analysis and Optimization
  • Concrete Properties and Behavior
  • Perovskite Materials and Applications
  • Structural Analysis and Optimization
  • Structural Behavior of Reinforced Concrete
  • Microbial Applications in Construction Materials
  • Advanced Welding Techniques Analysis

King Saud University
2014-2024

University of Toronto
2024

Zagazig University
2021-2022

The Ohio State University
2000-2022

Al-Azhar University
2022

Riyadh Elm University
2016

Abstract Tri-hybrid nanofluid (THNF) can achieve a higher heat transfer rate than conventional hybrid by combining three different nanoparticles with synergistic effects. It have more diverse physical and thermal properties choosing combinations of nanoparticles. That is why it has potential applications in various fields such as solar thermal, biomedical, industrial processes. On the other hand, vortices are circular motions liquid or gas that occur when there velocity difference. They...

10.1515/ntrev-2022-0561 article EN cc-by Nanotechnology Reviews 2023-01-01

This study background highlights the increasing need for effective management of risks in tall buildings due to their complexity and potential hazards. BIM has been accepted as a solution buildings; however, its adaptation slow several obstacles. The purpose this is identify validate impediments risks. adopted two-step methodology, consisting exploratory factor analysis (EFA) structural equation modelling (SEM). data were collected through an online survey professionals involved design,...

10.1016/j.rineng.2023.101401 article EN cc-by-nc-nd Results in Engineering 2023-09-05

The use of renewable energy sources is leading the charge to solve world's problems, and non-Newtonian nanofluid dynamics play a significant role in applications such as expanding solar sheets, which are examined this paper, along with impacts activation radiation. We physical flow issues using partial differential equations models like Casson, Williamson, Prandtl. To get numerical solutions, we first apply transformation make these ordinary equations, then MATLAB-integrated bvp4c...

10.1038/s41598-024-54398-x article EN cc-by Scientific Reports 2024-02-28

Abstract In this paper, we study linear and nonlinear mixed convection, activation energy, heat radiation effects caused by nanoparticles. This aims to improve the understanding of how nanofluids behave in presence rotating disks develop more efficient effective cooling technologies. The flow problem consisted partial differential equations (PDE). It is challenging calculate these as a result PDEs. Consequently, use appropriate similarities transform them into ordinary (ODEs). bvp4c Matlab...

10.1038/s41598-023-49988-0 article EN cc-by Scientific Reports 2023-12-27

Abstract This study aims to explore the precise resolution of nonlinear Benjamin Bona Mahony Burgers (BBMB) equation, which finds application in a variety scientific disciplines including fluid dynamics, shock generation, wave transmission, and soliton theory. Within this paper, we employ two versatile methodologies, specifically extended $$\exp (-\Psi (\chi ))$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mo>exp</mml:mo> <mml:mo>(</mml:mo> <mml:mo>-</mml:mo>...

10.1038/s41598-024-60732-0 article EN cc-by Scientific Reports 2024-06-12

The creation and manipulation of synthetic images have evolved rapidly, causing serious concerns about their effects on society. Although there been various attempts to identify deep fake videos, these approaches are not universal. Identifying misleading deepfakes is the first step in preventing them from spreading social media sites. We introduce a unique deep-learning technique fraudulent clips. Most deepfake identifiers currently focus identifying face exchange, lip synchronous,...

10.1016/j.heliyon.2024.e25757 article EN cc-by-nc-nd Heliyon 2024-02-09

The Human Activity Recognition (HAR) system is the hottest research area in clinical research. HAR plays a vital role learning about patient’s abnormal activities; based upon this information, psychological state can be estimated. An epileptic seizure neurological disorder of human brain and affects millions people worldwide. If epilepsy diagnosed correctly an early stage, then up to 70% seizure-free. There need for intelligent automatic systems that help clinicians diagnose disorders...

10.3390/biomedicines11030816 article EN cc-by Biomedicines 2023-03-07

Estimating design factors like concrete strength and durability is complicated by the cement industry's practice of producing multiple grades for different uses, necessitating substantial labor hours monetary investment. The experimental findings accelerated carbonation-induced corrosion associated characteristics built with high-volume Class F Fly Ash (FA), including AC impendence, half-cell potential, water permeability, volume permeable voids. FA was added to ordinary portland at varied...

10.1016/j.cscm.2023.e02254 article EN cc-by Case Studies in Construction Materials 2023-06-26

Cement is the main constituent of concrete structure. Using rejected brick as pozzolana in replacement cement reduced utilization natural resources, conserved environment, and controlled waste disposal. Hydrated lime has been utilized a chemical additive to improve pozzolanic reaction finely ground particles. This research investigates process biomineralization enhance strength durability characteristics bacterial incorporating hydrated powder (HBr). In this context, was partially replaced...

10.1016/j.cscm.2023.e02672 article EN cc-by-nc-nd Case Studies in Construction Materials 2023-11-13

Abstract Energy loss during the transportation of energy is main concern researchers and industrialists. The primary cause heat exchange gadget inefficiency was applied to traditional fluids with weak transfer characteristics. Instead, thermal devices worked much better when were changed nanofluids that had good properties. A diverse range nanoparticles implemented on account their elevated conductivity. This research addresses significance MHD Maxwell nanofluid for flow. flow model...

10.1038/s41598-024-55419-5 article EN cc-by Scientific Reports 2024-03-11

Abstract This study aims to examine the nonlinear partial differential equation known as (1+1)-dimensional generalized Kundu-Eckhaus with extra-dispersion, which is used model transmission of ultra-short femtosecond pulses in an optical fiber. Two versatile techniques, namely extended <?CDATA $\left(\tfrac{G^{\prime} }{{G}^{2}}\right)$?> <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"> <mml:mfenced close=")" open="("> <mml:mrow> <mml:mstyle displaystyle="false">...

10.1088/1402-4896/ad3859 article EN Physica Scripta 2024-03-27

This manuscript investigates the comparative analysis of SiC and SiC−Ag with methanol-base fluid. The nano species are more important in many fields such as medicine, catalysis, energy-based research, imaging, environmental sciences. present study includes theoretical numerical studies Prandtl hybrid nanofluid flow model, which takes into account effects heat radiation across a stretched cylinder, inclined magnetohydrodynamics (MHD), Darcy-Forchheimer. cylinder's surface is subjected to...

10.1080/10407782.2024.2343040 article EN Numerical Heat Transfer Part A Applications 2024-04-22

Thin structures are often required for several engineering applications. Although thick sections relatively easy to produce, the cutting of thin poses greater challenges, particularly in case thermal machining processes. The level difficulty is increased if larger lengths and heights. In this study, high-aspect-ratio micrometer thickness (117–500 µm) were fabricated from D2 steel through wire electrical discharge machining. Machining conditions kept constant, whereas structure (fins) sizes...

10.3390/mi12010001 article EN cc-by Micromachines 2020-12-22

Single-point incremental forming (SPIF) is a technology that allows manufacturing of complex parts from flat sheet using simple tools; further, this flexible and economical. Measuring the force helps in preventing failures, determining optimal processes, implementing on-line control. In paper, an experimental study SPIF described. This focuses on influence four different process parameters, namely, step size, tool diameter, thickness, feed rate, maximum force. For efficient predictive model...

10.1371/journal.pone.0221341 article EN cc-by PLoS ONE 2019-08-22

Single‐point incremental forming is an innovative flexible and inexpensive technique to form sheet products when prototypes or small batches are required. The process allows complex geometries be produced using a computer numerical control machine, eliminating the need for special die. This study reports on effects of four important single‐point parameters surface profile accuracies. accuracy was estimated by measuring side angle errors roughness also waviness circularity product inner...

10.1155/2020/7265941 article EN cc-by Advances in Materials Science and Engineering 2020-01-01
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