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Article
Physics, Multidisciplinary
Saeed Ehsan Awan et al.
Summary: In this work, a new design computing paradigm is introduced to study the dynamics of 3D nanofluid rheology and a generalized heat flux model using neural network modeling and backpropagation. By using the Adams numerical method, a dataset is generated and divided into training, testing, and validation samples to evaluate the accuracy of the designed scheme by comparing the obtained solutions with reference solutions.
WAVES IN RANDOM AND COMPLEX MEDIA
(2022)
Article
Multidisciplinary Sciences
Muhammad Awais et al.
Summary: This study presents an analysis of peristaltic motion and entropy generation of a coupled stress nanofluid with applied magnetic field in an endoscope. The results demonstrate the variations of flow profiles and entropy generation number with different flow parameters.
SCIENTIFIC REPORTS
(2022)
Article
Chemistry, Multidisciplinary
Azad Hussain et al.
Summary: The current investigation utilized CFD simulation in COMSOL Multiphysics to analyze the behavior of blood flow through an arterial stenosis. The study focused on obtaining pressure, temperature, and velocity effects, as well as the impact of gold and silver nanoparticles on blood properties. The results showed changes in velocity through confined parts of the artery, higher velocity in the diseased region, and velocity decrease before and after the stenotic region. The addition of nanoparticles prevented overheating and Nusselt number variations were observed.
APPLIED SCIENCES-BASEL
(2022)
Article
Engineering, Chemical
M. Sheikholeslami et al.
Summary: This study proposes the use of hybrid nanomaterials, including fin and helical turbulator, to enhance the efficiency of the absorber unit. The results of numerical simulations show that increasing the diameter of circular gaps facilitates fluid movement, reduces pressure loss, and improves the mixing of hot and cold fluids. As the pitch factor decreases, the rotation of helical tapes increases, leading to an increase in the number of circular gaps. The temperature of the absorber plate decreases with increasing Reynolds number, while it increases with the augmentation of the diameter of circular gaps and the pitch factor.
ADVANCED POWDER TECHNOLOGY
(2022)
Article
Thermodynamics
M. Sheikholeslami et al.
Summary: In this study, the thermal treatment of Linear Fresnel Reflector (LFR) unit was enhanced by the application of multi-way twisted tape (MWTT). Finite volume simulations were used to predict the flow and thermal performance, and SolTrace and ANSYS FLUET were used to extract the distribution of absorb flux. The results showed that the rotation, width, and number of wings of the twisted tape significantly affected the fluid flow and thermal efficiency.
INTERNATIONAL JOURNAL OF THERMAL SCIENCES
(2022)
Article
Green & Sustainable Science & Technology
M. Sheikholeslami et al.
Summary: This article presents a numerical simulation for the thermal analysis of a parabolic trough collector (PTC) with a wavy absorber tube using the finite volume method. The study investigates the performance of a new wavy absorber tube in a solar system with a parabolic reflector. The results show that increasing the Reynolds number (Re) and the volume concentration can improve the heat transfer efficiency.
Article
Physics, Multidisciplinary
Abdul Samad Khan et al.
Summary: This article numerically investigates the entropy generation due to micro-rotating Casson's nanofluid with an inclined magnetic field past a nonlinear stretching surface. The study reveals the acceleration of entropy profile with increasing Hartmann and Brinkman numbers, as well as significant enhancement in temperature profile with an increase in heat transfer Biot number. The research has practical implications in engineering and heat-storing devices.
WAVES IN RANDOM AND COMPLEX MEDIA
(2022)
Article
Biotechnology & Applied Microbiology
M. Sheikholeslami et al.
Summary: This article introduces a method to improve the efficiency of solar energy systems by using hybrid nanomaterials and special shape of turbulator in the pipe. The study found that inserting turbulator can increase radial velocity, disrupt isotherms, and enhance convective flow. Experimental results demonstrate the improvement of the performance of solar energy systems with this approach.
ENVIRONMENTAL TECHNOLOGY & INNOVATION
(2022)
Article
Computer Science, Artificial Intelligence
Muhammad Awais et al.
Summary: This study proposes an artificial neural network-based solution for investigating Hall current in magneto hydrodynamics (MHD) with Jeffery fluid and CCHFM. The temperature and velocity profiles of the fluid are analyzed numerically, and a neural network is used for nonlinear input-output analysis. The findings provide insights into flow dynamics and significant results for Deborah number, Hall parameters, and magnetic field parameters.
COMPLEX & INTELLIGENT SYSTEMS
(2022)
Article
Engineering, Chemical
M. Sheikholeslami et al.
Summary: This study aimed to improve the productivity of a unit in an LFR system by using innovative swirl flow tapes and hybrid nanoparticles. The thermal feature of water was enhanced by dispersing Al2O3 + CuO nanoparticles. A solar unit was designed with 12 mirrors, one absorber tube, and a secondary reflector. SolTrace was used to calculate the heat source in the solid zone of the tube. The effects of inlet flow rate, temperature, pitch ratio, and height ratio were examined, and the inclusion of hybrid nanomaterial was found to enhance the Nusselt number, thermal productivity, and Darcy factor.
ADVANCED POWDER TECHNOLOGY
(2022)
Article
Energy & Fuels
M. Sheikholeslami
Summary: This article investigates the use of horseshoe-shaped fins and perforated tape in a solar system to improve productivity and mixing efficiency. The selected modeling techniques were found to be suitable for turbulent flow based on the comparison with empirical data. The study shows that dispersing hybrid nano-powders can enhance heat absorption and thermal efficiency, but at the cost of increased pumping power.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2022)
Article
Multidisciplinary Sciences
M. Awais et al.
Summary: This research presents a numerical analysis of heat transfer in a bodewadt flow over a penetrable disk. The behavior of velocity and temperature profiles are examined by varying different parameters, and the values of nusselt number and skin friction coefficient are calculated.
SCIENTIFIC REPORTS
(2022)
Article
Energy & Fuels
M. Sheikholeslami
Summary: A new honeycomb configuration was utilized to enhance the charging rate of thermal storage. The thickness of honeycomb and number of holes were adjusted by using different materials and geometric factors, and it was found that using aluminum material and smaller b2 value could significantly reduce the melting time.
JOURNAL OF ENERGY STORAGE
(2022)
Article
Energy & Fuels
M. Sheikholeslami
Summary: This study proposes the combination of thermal storage and solar concentrating systems, and suggests the use of new fins and dispersed ZnO nano-powders to improve the low conduction mode of pure paraffin. The numerical procedure has been verified and the simulation results demonstrate the effectiveness of the proposed configurations.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2022)
Article
Multidisciplinary Sciences
Muhammad Asif Zahoor Raja et al.
Summary: In this study, the strength of backpropagated intelligent networks (BINs) was used to investigate the entropy characteristics in magnetohydrodynamics (MHD) nanofluidic flow model. The effects of various factors, such as surface thickness, joule heating, viscous dissipation, and heat generation/absorption, were considered. A trained artificial neural network was used to generate a dataset for different scenarios, and the proposed approach was validated by comparing the results with reference data.
ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING
(2022)
Article
Thermodynamics
Imran Haider Qureshi et al.
Summary: This article investigates the impact of a radially varying magnetic field on peristaltically flowing nanofluid in a finite flexible tube, as well as the enhancement of thermal conduction and heat transport analysis. Mathematical formulations and numerical solutions show the effective reduction of fluid velocity by the magnetic parameter, along with insight into the peristaltic pumping region and streamline patterns.
CASE STUDIES IN THERMAL ENGINEERING
(2021)
Article
Engineering, Multidisciplinary
M. Awais et al.
Summary: This study numerically examines the entropy generation in the transport of hyperbolic tangent nanofluid over a stretchable surface with nonlinear Boussinesq approximation. The results show that the fluid motion is influenced by the power law index parameter, while entropy generation increases with diffusion variable.
ALEXANDRIA ENGINEERING JOURNAL
(2021)
Article
Materials Science, Multidisciplinary
Muhammad Awais et al.
Summary: The rheology of MHD bioconvective nanofluid containing motile microorganisms was numerically investigated in this study, showing that bioconvection is achieved by the combined effects of a magnetic field and buoyancy force, with gyrotactic microorganisms enhancing the stability of nanomaterials. The study also considered variable transport properties and assisting/opposing flow situations, finding that the velocity, temperature, concentration, and bioconvection density distributions accelerate with controlling parameters related to variable transport properties, and heat and mass transfer rates increase with convection parameter and bioconvection Rayleigh number, respectively.
Article
Multidisciplinary Sciences
Muhammad Asif Zahoor Raja et al.
Summary: This study presents an estimation of the effectiveness of Au nanoparticles concentration in peristaltic flow through a curved channel using a data-driven stochastic numerical paradigm based on artificial neural network. The modeling involves a nano composite with multi-walled carbon nanotubes coated with gold nanoparticles under different slip conditions. The analysis of the physical problem's differential system is numerically done for various scenarios to predict numerical data for velocity and temperature by Adams Bashforth method, with the optimization of network results using Levenberg-Marquart training algorithm to establish accurate and efficient recognition of system trends.
SCIENTIFIC REPORTS
(2021)
Article
Thermodynamics
N. Parveen et al.
Summary: The study evaluates the credibility of numerical results for the peristaltic mechanism of conductive nanofluid flowing through an asymmetric channel, considering heat and mass transfer mechanisms. Non-magnetic chemotactic microorganisms are used to enhance the stability of the nanofluid. Viscous dissipation plays a significant role in diffusion of momentum of the wall and entropy generation in the system.
CASE STUDIES IN THERMAL ENGINEERING
(2021)
Article
Chemistry, Physical
Muhammad Awais et al.
Summary: This research article investigates the numerical treatment of heat transfer effects in Bodewadt flow over a permeable disk using an artificial neural network, considering various parameters and validating the method through experiments. The methodology demonstrates strong correlation and consistent convergence, proving its worth in predicting the heat transfer phenomena.
SURFACES AND INTERFACES
(2021)
Article
Materials Science, Multidisciplinary
Muhammad Awais et al.
Summary: This study utilized novel nonlinear power-law flux models to model and numerically solve the heat transport phenomenon in nano-micropolar fluid, analyzing the shear-thinning and shear-thickening nature of nano polymer suspension. The research investigated the normalized velocity, temperature, and micro-rotation profiles under varying physical parameters, as well as conducted error analyses to validate the results obtained.
Article
Physics, Multidisciplinary
Saeed Ehsan Awan et al.
Summary: This study investigates entropy generation and heat transfer rate in the peristalsis of hybrid nanofluid induced by metachronal ciliary beating under a magnetic environment. The findings suggest that utilizing hybrid nanomaterial can enhance the thermal performance of the fluid, while a strong magnetic field results in a decrease in entropy with thermal heat generation leading to an increase in the system's entropy.
FRONTIERS IN PHYSICS
(2021)
Article
Multidisciplinary Sciences
Muhammad Awais et al.
Summary: Analysis was conducted on the nonuniform heat immersion phenomenon in bio-convective rheology of nanoparticles combined with gyro-tactic microorganisms, incorporating inclined magnetic field effects, heat and mass transfer effects. Mathematical modeling was used for analysis, with error analysis and verification of results. Numerical values of various physical quantities were presented in tabular and chart form.
ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING
(2021)
Article
Multidisciplinary Sciences
Saeed Ehsan Awan et al.
Summary: This study applies a novel numerical computing paradigm to examine the effects of electric and magnetic fields on a micropolar nanofluid between two parallel plates in a rotating system. By using Adams and Explicit Runge-Kutta solvers, the system dynamics are approximated and the impact of various physical parameters on fluid behavior is analyzed.
ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING
(2021)
Article
Computer Science, Interdisciplinary Applications
Anum Tanveer et al.
COMPUTER METHODS AND PROGRAMS IN BIOMEDICINE
(2020)
Article
Engineering, Multidisciplinary
Muhammad Awais et al.
Alexandria Engineering Journal
(2020)
Review
Multidisciplinary Sciences
Rizwana Rizwana et al.
Article
Nanoscience & Nanotechnology
Sapna Ratan Shah et al.
FRONTIERS IN NANOTECHNOLOGY
(2020)
Review
Thermodynamics
Nadeem Abbas et al.
ADVANCES IN MECHANICAL ENGINEERING
(2020)
Article
Multidisciplinary Sciences
Saeed Ehsan Awan et al.
ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING
(2020)
Article
Physics, Multidisciplinary
Rizwana et al.
Article
Materials Science, Multidisciplinary
Saeed Ehsan Awan et al.
RESULTS IN PHYSICS
(2018)
Article
Materials Science, Multidisciplinary
Ashfaq Ahmed et al.
RESULTS IN PHYSICS
(2017)
Article
Computer Science, Interdisciplinary Applications
S. Ijaz et al.
COMPUTER METHODS AND PROGRAMS IN BIOMEDICINE
(2016)
