Hamiden Abd El‐Wahed Khalifa

ORCID: 0000-0002-8269-8822
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About
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Research Areas
  • Multi-Criteria Decision Making
  • Optimization and Mathematical Programming
  • Nanofluid Flow and Heat Transfer
  • Heat Transfer Mechanisms
  • Fuzzy Systems and Optimization
  • Fluid Dynamics and Turbulent Flows
  • Fuzzy and Soft Set Theory
  • Rough Sets and Fuzzy Logic
  • Optimization and Variational Analysis
  • Advanced Algebra and Logic
  • Fractional Differential Equations Solutions
  • Water resources management and optimization
  • Heat Transfer and Optimization
  • Supply Chain and Inventory Management
  • Fuzzy Logic and Control Systems
  • Graph theory and applications
  • Risk and Portfolio Optimization
  • Metaheuristic Optimization Algorithms Research
  • Solar Thermal and Photovoltaic Systems
  • Scheduling and Optimization Algorithms
  • Nonlinear Waves and Solitons
  • Advanced Multi-Objective Optimization Algorithms
  • Advanced Manufacturing and Logistics Optimization
  • Fluid Dynamics and Vibration Analysis
  • Probabilistic and Robust Engineering Design

Cairo University
2015-2025

Qassim University
2018-2025

Princess Nourah bint Abdulrahman University
2024

University of Management and Technology
2022-2024

United Arab Emirates University
2024

Hazara University
2023

King Khalid University
2023

Statistical Research (United States)
2022

Kilis 7 Aralık University
2022

Scientific Research Group in Egypt
2017-2018

The Darcy-Frochheimer flow scheme is important in industries where a higher stream rate impact prominent occurrence, for illustration in, petroleum engineering. In this article, we examine the influence of Cattaneo-Christov heat fluxing on flowing Sutterby nanofluid via stretchable surface with chemical reactive and radiative impacts. highest-order nonlinear partial differential equation addressed by utilizing similarity function new set ordinary developed. obtained equations are then...

10.1016/j.csite.2023.102737 article EN cc-by-nc-nd Case Studies in Thermal Engineering 2023-01-18

The thermal performance of nanofluids, which include a base fluid and three kinds suspended nanosized particles, is unparalleled. In this work, we analyzed the impact many parameters on coolant applications, including MHD stagnation point flow, ternary hybrid nanofluid, viscous dissipation, variable viscosity, stratification, velocity slip conditions. Researchers synthesized nanoparticles by combining Al2O3), (Cu), (TiO2) then investigated their behavior in presence symmetrically stretched...

10.1016/j.csite.2023.103292 article EN cc-by-nc-nd Case Studies in Thermal Engineering 2023-07-17

The study of fluid dynamics in the context flow across a rotating disk is highly important since it has extensive applications multiple industries, as well engineering and scientific fields. objective our current research to investigate heat transfer vicinity Stagnation Point Maxwell nanofluid passing over porous disk. A disc phenomenon where circular arc formed at every point on rotates uniformly around an axis. shear stress interface between spinning provides information about amount power...

10.1016/j.aej.2024.02.002 article EN cc-by-nc-nd Alexandria Engineering Journal 2024-02-13

Abstract The industrial sector has shown a growing interest in hybrid nanofluids affected by magnetohydrodynamics (MHD) owing to their wide range of applications, including photovoltaic water heaters and scraped surface heat exchangers. main purpose this study is look at how entropy created nanofluid ${\rm{A{{l}_2}{{O}_3}{-}Cu}}$ mixed with ${\rm{{{H}_2}O}}$ non-axisymmetric stagnation point flow Joule heating viscous dissipation. By using appropriate non-similarity transformations, the...

10.1093/jcde/qwae029 article EN cc-by-nc Journal of Computational Design and Engineering 2024-03-06

The flowing of nanomolecules in Williamson nanoliquids via a stretched sheet has significant influence, and its demand the manufacturing, therapeutic disciplines, medication, cooking supplies is enormous frequently reported. However, 2-dimensional (2-D) combined convective Williamson-dusty nanofluid (WDNF) stretchable presence magneto force porous medium remains unidentified. Hence, this report inspects influence Brownian thermophoretic diffusion preserved WDNF modeling occurrence radiative...

10.1016/j.arabjc.2023.104698 article EN cc-by-nc-nd Arabian Journal of Chemistry 2023-02-23

The fluid flow model is evaluated with the mass and energy transfer through trihybrid nanofluid (Thnf) past a stretching permeable sheet. proficiency of could be more effective, improved stable by introducing nanoparticles various thermal rheological properties. nanoliquid has been prepared dispersion silver (Ag), cobalt ferrite (CoFe2O4), magnesium oxide (MgO) nanocomposites in water. consequences Darcy-Forchheimer are engaged momentum equation, to evaluate permeability effect. expressed...

10.1016/j.rineng.2023.101536 article EN cc-by-nc-nd Results in Engineering 2023-10-26

In the past, investors used their own or others’ experiences to achieve goals. With development of financial management, investors’ choices became more scientific. They could select optimal choice by using different models and combining results with experiences. portfolio optimization, main issue is selection assets securities that can be provided a certain amount capital. present study, problem i.e., maximizing stock returns minimizing risk, has been studied. Therefore, this study discussed...

10.3390/math11020415 article EN cc-by Mathematics 2023-01-12

This article examines the chemically reactive process of time-dependent bioconvective magnetohydrodynamic Williamson nanofluid flowing toward a wedge with radiative heat in presence gyrotactic motile microorganisms. The main goal is to boost transport. Nanoparticles are most significant and widely utilized source both science industrial mechanisms. Nanotechnology remarkable thermal properties has variety roles laser diode, energy transport, boilers, power generation, MEMS, medication, cool...

10.1080/10407790.2023.2211228 article EN Numerical Heat Transfer Part B Fundamentals 2023-06-20

Abstract The main focus of this work is to investigate the impact varying milling times (2 18 h) on structural and mechanical properties developed Ti-Nb-Mo alloy. morphology, phase composition, microstructure, behavior milled sintered Ti-25Nb-25Mo alloy samples were characterized systematically using x-ray diffraction, scanning electron microscope, optical Vicker microhardness. It was noted that quantity β-Ti increased as time increased. After 12 h milling, synthesized alloys exhibited a...

10.1007/s00170-023-12650-0 article EN cc-by The International Journal of Advanced Manufacturing Technology 2023-11-13

In this work was prepared α-Al2O3 alloys from laboratory aluminum oxide powder that milled for different periods of time and sintered at a temperature 1450 °C. The difference between the samples studied using several experimental measurement techniques, including X-ray diffraction, scanning electron microscopy physical mechanical properties. Moreover, effect milling on formation sintering alpha-alumina, by mixture times high energy crushing technique studied. An influence density, open...

10.1016/j.arabjc.2023.105112 article EN cc-by-nc-nd Arabian Journal of Chemistry 2023-06-28

Incorporation of nanoparticles in base fluid water is significant for analysis thermal behavior nanofluid mixtures, which has various applications materials science and engineering, supervised neural scheme predicts the by solving Carreau model. This article brings investigation related to prediction transport a ternary magnetized hybrid [(Al2O3, CuO, TiO2)/H2O] with three-dimensional model over wedge. Three dispersed (H2O). Inclined magnetic field considered judgement velocity profile...

10.1016/j.rinp.2024.107616 article EN cc-by-nc Results in Physics 2024-03-28

The concept of p,q− quasirung orthopair fuzzy (p,q− QOF) sets is an advanced extension q− rung (q− ROFSs). This paper introduces the adaptation Hamacher t-norm and t-conorm to QOF environment. A series aggregation operators (AOs) their associated properties are presented. study extends its application multi-criteria group decision-making (MCGDM) for practical problem-solving, illustrated through analysis mobile payment platforms. influence operator parameters, denoted as p q, on outcomes...

10.1016/j.heliyon.2024.e24726 article EN cc-by Heliyon 2024-01-23

Proper wastewater disposal is crucial in various manufacturing and ecological systems. This study aims to prevent regulate pollution the water supply. It examines how pollutant discharge concentration affects flow of non-Newtonian nanofluids (NNNFs) over a porous Riga surface. Two different types NNNFs, namely, Walter’s B second-grade fluids, have been examined. The fluid conveyed form system partial differential equations (PDEs), which are first reduced non-dimensional set ordinary (ODEs)...

10.1063/5.0200401 article EN cc-by AIP Advances 2024-04-01

Background: Environmental deterioration is the alarming situation that results from rapid urbanization and development. The rising temperature climate volatility are accounted for by massive carbon dioxide (CO2) emissions. research on climate-change mitigation trying to curtail situations before they become irreversible unmanageable. This study explores role of institutions in mitigating change moderating impact environmental quality risk. Methodology: Global data sets have been collected...

10.3390/su14020669 article EN Sustainability 2022-01-07

Abstract Hybrid nanofluids can provide better physical strength, thermal conductivity, and mechanical resistance in many thermodynamic systems than pure nanofluids. To establish the novel results, using superior types of hybrid nanoparticles like graphene oxide (GO) iron (Fe 3 O 4 ) is main focus recent work. This study investigates innovative magnetic features both nanofluid GO / engine oil (EO) GO–Fe EO under simultaneous effects induced as well applied field. The chemical reaction...

10.1515/ntrev-2022-0486 article EN cc-by Nanotechnology Reviews 2022-01-01
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