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Article
Engineering, Mechanical
Imad A. Kheioon et al.
Summary: This paper investigates the characteristics of natural convection and radiation heat transfer from a solid cylindrical rod inside a closed vessel under vacuum conditions. Experimental results are used for training an Artificial Neural Network (ANN) which is employed in the Adaptive Neuro Fuzzy Inference System (ANFIS) scheme to predict the heat transfer characteristics. The results show that vacuum pressure affects the heat transfer rates from convection and radiation. The three methods of ANFIS used in this study fit well with the experimental data, demonstrating the effectiveness of artificial intelligence in establishing the relation between the parameters and objective functions.
EXPERIMENTAL TECHNIQUES
(2023)
Article
Engineering, Multidisciplinary
Khalid B. Saleem et al.
Summary: This paper numerically studies the natural convective flow of Cu-water nanofluid in an L-shaped cavity with oscillating temperature profile. The lower horizontal and left vertical walls of the cavity are heated sinusoidally, while the right vertical wall and its nearby horizontal lower wall are kept cold. Various parameters, including temperature oscillation amplitude, temperature oscillation frequency, Rayleigh number, Hartmann number, nanoparticles volume fraction, and enclosure aspect ratios, are considered. The results show that at a low aspect ratio, heat transfer mainly occurs through conduction, while convection becomes significant at high Rayleigh numbers. Additionally, the Nusselt number increases linearly with increasing nanoparticles volume fraction for a certain range of Hartmann numbers. (C) 2022 THE AUTHORS. Published by Elsevier BV on behalf of Faculty of Engineering, Alexandria University.
ALEXANDRIA ENGINEERING JOURNAL
(2023)
Article
Thermodynamics
M. L. Keerthi et al.
Summary: A wet porous moving longitudinal fin made of linear functionally graded material (FGM) is analyzed for its thermal behavior and entropy generation under convective-radiative heat transmission. Three types of FGM fins, homogeneous, type I (higher grading towards base), and type II (higher grading towards tip), are comparatively investigated. The energy equation is solved using the Runge Kutta Fehlberg method. The thermal profile, entropy generation profile, and average entropy generation are analyzed for various parameters. The study reveals that homogeneous fins have the lowest entropy generation followed by type I and type II FGM fins. This investigation is beneficial for the manufacturing and design of FGM fin structures.
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
(2023)
Article
Engineering, Multidisciplinary
R. Padmavathi et al.
Summary: The present study examines the thermophysical feature of a 2D flow of a dusty Eyring-Powell fluid caused by a stretched sheet in the presence of a magnetic field. Through similarity transformation, the dimensionless heat and fluid flow equations are transformed into ordinary equations. Numerical methods are then used to solve the altered equations with the Runge-Kutta-Fehlberg 45 solver. We study and discuss in depth the flowing and heating attributes under various parameters, and validate the numerical solution by comparing it with past results. It is numerically proven that the velocity of both the fluid phase and particle phase increases with an increase in the Eyring Powell fluid parameter.
INTERNATIONAL JOURNAL OF MODELLING AND SIMULATION
(2023)
Article
Mechanics
Feroz Ahmed Soomro et al.
Summary: In this work, the behavior of magnetohydrodynamic fluid flow over a permeable surface was studied using similarity transformation technique and artificial neural network models. The study revealed a decrease in heat transfer rate with increasing first- and second-order slip parameters. The neural network models showed high accuracy in predicting skin friction coefficients and heat transfer rates, reducing the time required for numerical predictions.
ARCHIVE OF APPLIED MECHANICS
(2022)
Article
Engineering, Mechanical
Shaik Jakeer et al.
Summary: The significance of variable magnetic field and magnetohydrodynamic stagnation point flow of Eyring-Powell hybrid dusty nanofluid over a Darcy-Forchheimer sheet was analyzed in this study. It was found that the hybrid nanofluid has a higher heat transfer process compared to the dusty nanofluid.
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE
(2022)
Article
Nanoscience & Nanotechnology
Saleem Nasir et al.
Summary: This study investigates the influence of nonlinear thermal radiation on the magnetohydrodynamics (MHD) flow of couple stress water-based nanofluids, hybrid nanofluids, and ternary hybrid nanofluids on a stretching sheet. The effects of various identifying model factors are evaluated using different graphs. The findings of this research have important implications for high-temperature and cooling processes, aerospace technologies, and other fields.
APPLIED NANOSCIENCE
(2022)
Article
Thermodynamics
M. Farooq et al.
Summary: Researchers are currently exploring the treatment of diseases caused by magnesium deficiency. By injecting magnesium nanoparticles into the blood, the deficiency can be corrected. The study focuses on using Powell-Eyring (Magnesium-Blood) nanofluid flow deformed by a linearly stretchable sheet to address the deficiency. It is found that the addition of a magnetic field and other physical parameters can improve the recovery rate of magnesium patients.
INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER
(2022)
Article
Thermodynamics
Khalid B. Saleem et al.
Summary: The study examines the steady-state laminar two-dimensional rarefied gaseous flow with natural convection heat transmission in a partly heated square two-sided wavy cavity with internal heat generation. The numerical analysis involves various parameters such as external Rayleigh number, Knudsen number, inclination angle, and non-dimensional heater lengths. The results show a correlation between average Nusselt number and the parameters studied in the research.
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
(2021)
Article
Thermodynamics
Hassan Waqas et al.
Summary: This article examines the impacts of non-linear thermal radiations on nanoparticles in water-based hybrid nanofluid flowing over a rotating disk, specifically focusing on the types and applications of carbon nanotubes. The study also looks into the behavioral analysis of velocity components and heat transfer under different parameters, showing that factors such as magnetic parameter and temperature ratio can affect the velocity field and heat transfer.
CASE STUDIES IN THERMAL ENGINEERING
(2021)
Article
Materials Science, Multidisciplinary
Hossam A. Nabwey et al.
Summary: A comprehensive investigation on transient magnetohydrodynamics boundary layer flow of non-Newtonian micropolar hybrid nanofluid immersed with conducting micrometer homogeneously sized dust nanoparticles was conducted. The mathematical model was formulated and solved using the MATLAB approach, with outcomes for different parameters evaluated and presented graphically and in tables. Enhancement in thermal relaxation was found to strengthen temperature variation in both micropolar hybrid nanofluid and dust phases, validated by comparison with earlier published data.
RESULTS IN PHYSICS
(2021)
Article
Materials Science, Multidisciplinary
Bagh Ali et al.
Summary: The study investigates the flow characteristics of carbon nanotube nanoparticles micropolar ferromagnetic fluid using the finite element method. Detailed parametric study reveals that increasing the ferromagnetic interaction parameter slows down fluid velocity while increasing microrotation and thermal distribution.
RESULTS IN PHYSICS
(2021)
Proceedings Paper
Materials Science, Multidisciplinary
Vishwambhar S. Patil et al.
Summary: This study investigates the unsteady MHD flow of a Nano Powell-Eyring fluid near a stagnation point past a convectively heated stretching sheet in the presence of chemical reaction and thermal radiation. The physical model is transformed into a system of nonlinear ODEs through group theoretic analysis and numerically studied using the R-K's fourth order method along with shooting technique. Graphical analysis on the velocity, temperature, and concentration distribution is conducted to examine the associated physical parameters.
MATERIALS TODAY-PROCEEDINGS
(2021)
Article
Physics, Multidisciplinary
M. Javed et al.
EUROPEAN PHYSICAL JOURNAL PLUS
(2019)
Article
Multidisciplinary Sciences
S. K. Asha et al.
JOURNAL OF TAIBAH UNIVERSITY FOR SCIENCE
(2019)
Article
Mechanics
Dulal Pal et al.
Journal of Applied Fluid Mechanics
(2017)
Article
Thermodynamics
Tasawar Hayat et al.
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
(2017)
Article
Physics, Multidisciplinary
Homayoun Badfar et al.
EUROPEAN PHYSICAL JOURNAL PLUS
(2017)
Article
Thermodynamics
A. Ishak et al.
JOURNAL OF HEAT TRANSFER-TRANSACTIONS OF THE ASME
(2007)
