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Article
Engineering, Mechanical
Kotha Gangadhar et al.
Summary: This paper examines the mechanism of radiative Walter's B nanofluid on a rotational cone under magnetic regime, including the theoretical and practical implications of time-dependent fluid flow caused by cone rotation in engineering and applied sciences, as well as the characteristics of thermophoresis, Brownian motion, and chemical reactions. Self-similar solutions are obtained and the numerical result of a reduced nonlinear system is obtained using the Runge-Kutta-Fehlberg fourth-fifth procedure. Comparisons with previously published material are made to verify the outcome. The conflicting influences of the Brownian motion parameter on heat and mass transfer rates, as well as temperature and concentration fields, are found. The presence of chemical reactions may be more beneficial in developing reaction processes.
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART E-JOURNAL OF PROCESS MECHANICAL ENGINEERING
(2023)
Article
Physics, Applied
Ji-Huan He et al.
Summary: This work investigates the behavior of a non-Newtonian MHD Carreau nanofluid in a permeable medium over a stretched vertical cylinder. The study considers the effects of magnetic field, heat, nanoparticles, and microorganisms on the velocity and temperature distributions. The results show that the presence of microorganisms and nanoparticles slows down the flow, and reducing buoyancy and bio-convection characteristics can prevent this slowing down. The findings are valuable in various physical and engineering fields.
INTERNATIONAL JOURNAL OF MODERN PHYSICS B
(2023)
Article
Materials Science, Multidisciplinary
Tao-Qian Tang et al.
Summary: Nanofluids have significant industrial applications due to their higher heat transfer rates. This study investigates the impact of MHD in Oldroyd-B nanoliquid flow with gold nanoparticles on stenosis arteries. The results demonstrate that the nanofluid temperature decreases with increasing volume fraction and Prandtl number.
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
(2023)
Article
Multidisciplinary Sciences
Doaa R. Mostapha et al.
Summary: In this situated theoretical article, the peristaltic transition of Jeffery nanofluid with motile gyrotactic microorganisms under the influences of anisotropically stenosed endoscope, Hall current, and Joule heating is studied. Nonlinear thermic radiation, chemical interactions, and Soret and Dufour schemes are also considered. Activation energy is added to the concentration of nano-particles using the amended Arrhenius scheme and Buongiorno type. The slip stipulation is discussed in relation to the speed scheme, while the convective stipulation is considered for temperature. The study provides insights into the movement of fluids in various scenarios and presents potential applications in medical treatments such as medication for clogged arteries and depiction of gastric juice movement.
SCIENTIFIC REPORTS
(2023)
Article
Engineering, Multidisciplinary
Aaqib Majeed et al.
Summary: This study investigates the 2D bioconvection magneto-hydrodynamic (MHD) flow and heat transfer of a non-Newtonian (Casson) nanofluid model. The impact of thermal radiation, velocity slip, Brownian motion, and thermophoresis containing gyrotactic microorganisms over a nonlinear surface is demonstrated. The study shows the effects of different cases and convergence parameters on the electrically conducting flow. Numerical analysis using the Bvp4c scheme reveals significant agreement with previous results.
ALEXANDRIA ENGINEERING JOURNAL
(2023)
Article
Mathematics, Interdisciplinary Applications
A. A. Avramenko et al.
Summary: The paper presents a low-dimensional model of bioconvective flow for gyrotactic microorganisms. The model enables determining boundaries of different flow regimes based on the Lorenz approach. Four criteria for the stability of bioconvective flows were identified in the form of Rayleigh numbers using analytical and numerical methods. The paper also analyzed the features of the dependences of the critical Rayleigh numbers on the Schmidt number and the parameter alpha 0.
CHAOS SOLITONS & FRACTALS
(2023)
Article
Thermodynamics
Nahid Fatima et al.
Summary: The most important condition for modern industrial activities is excellent refrigeration performance in conventional buildings. The Buongiorno relation assessment explores the thermal and mass efficiency of nanofluids, which has led to the identification of different properties related to random motion and thermophoretic diffusion. Non-Newtonian nanofluids have various applications, including thermal exchangers, solar liquid boilers, and heat control in vehicles. Nanoparticles can significantly improve the thermal conductivity and heat transfer properties of fluids, making nanofluids attractive for cooling systems in electronic devices and industrial applications where efficient heat transfer is crucial.
CASE STUDIES IN THERMAL ENGINEERING
(2023)
Article
Thermodynamics
Umair Rashid et al.
Summary: The study investigates the influence of nanoparticle shape on the flow and heat conduction of nanofluid in a cavity. The flow behavior and heat transfer of spherical, columnar, and lamina-shaped nanoparticles in the cavity are simulated using the finite element method. The results show that the lamina-shaped nanoparticles perform better in temperature distribution and heat transfer of the nanofluid.
CASE STUDIES IN THERMAL ENGINEERING
(2023)
Article
Thermodynamics
Nahid Fatima et al.
Summary: Nanotechnology has the potential to revolutionize various industries and fields, including homeland security, food safety, information technology, healthcare, energy, transportation, and environmental research. A numerical study was conducted on the flow of a nanofluid with variable temperature on a moving flat plate in the presence of gyrotactic microorganisms. The study utilized similarity transformations to convert the partial differential equations governing the flow phenomena into ordinary differential equations, which were then solved numerically. The results showed the effects of various physical factors and demonstrated the potential for enhancing viscosity, thermal conductivity, thermal diffusivity, and convective heat transmission in base fluids like water and oil.
CASE STUDIES IN THERMAL ENGINEERING
(2023)
Review
Engineering, Multidisciplinary
Hamed Eshgarf et al.
Summary: This review paper discusses active, passive, and hybrid methods to enhance heat transfer rate, with a focus on the passive method of using nanofluids. The governing equations and modeling methods for nanofluid flows are provided, along with a summary of advanced investigations on single-phase and two-phase flow regimes. Although there are conflicting results among researchers, most conclude that numerical modeling based on two-phase models provides a better prediction than single-phase models.
ENGINEERING ANALYSIS WITH BOUNDARY ELEMENTS
(2023)
Article
Thermodynamics
K. Thirumalaisamy et al.
Summary: This study analyzes the natural convective flow and heat transfer efficiency of ternary nanofluids in different types of porous square cavities. The computational outcomes reveal that the average heat transfer depends not only on the nanoparticle's volume concentration but also on the existence of heat source and sink. Therefore, ternary nanofluids can be used to improve the thermal transmission in nuclear power systems, generators, and electronic device applications.
INTERNATIONAL JOURNAL OF NUMERICAL METHODS FOR HEAT & FLUID FLOW
(2023)
Article
Kotha Gangadhar et al.
International Journal of Ambient Energy
(2023)
Article
Engineering, Multidisciplinary
P. M. Patil et al.
Summary: This study investigates the effects of periodic magnetic fields and triple diffusion on bioconvection flow through a rotating cone populated by oxytactic bacteria and an Eyring-Powell fluid. The study finds that the periodic magnetic field exhibits wavy effects on surface gradients, specifically skin friction, in the boundary layer domain. The numerical non-similar solutions indicate that the bioconvective Rayleigh number and Peclet number significantly affect the flow velocity and microbial density.
ALEXANDRIA ENGINEERING JOURNAL
(2023)
Article
Engineering, Multidisciplinary
Sohail A. Khan et al.
Summary: This study focuses on the hydromagnetic bioconvective chemically reactive flow of Reiner-Rivlin nanoliquid and analyzes the entropy generation. The thermal relation includes Joule heating, radiation, and dissipation. Soret effect in chemically reactive flow is examined. Nonlinear governing systems are solved using the ND-solve technique after appropriate transformations. Graphical analysis is conducted for velocity, microorganism field, entropy rate, thermal field, and concentration. The graphical descriptions for coefficient of skin friction, microorganism density number, heat transport rate, and concentration gradient are also studied. It is observed that the entropy rate increases with a higher magnetic parameter, while the velocity shows the opposite trend. Increasing temperature enhances thermophoresis and radiation. Radiation intensifies the entropy rate and heat transport rate. Similar effects of drag force and temperature are observed for the magnetic parameter. The concentration and mass transport rate increase with a higher Soret number. Variation in Brownian motion results in concentration decay. A larger Peclet number leads to a decrease in the microorganism field and an increase in the microorganism density number.
ALEXANDRIA ENGINEERING JOURNAL
(2023)
Article
Thermodynamics
P. M. Patil et al.
Summary: The current study investigates the impact of a magnetic field and oxytactic microorganisms on the flow of a micropolar nanofluid around a wedge. It has practical implications in various industries and fields. The analysis involves transforming the governing equations, linearization, and discretization. Previous studies have only considered similarity solutions without considering oxytactic microorganisms.
CASE STUDIES IN THERMAL ENGINEERING
(2023)
Article
Thermodynamics
Yijie Li et al.
Summary: Bioconvection in fluids is affected by melting thermal transport, which is important for heat transfer and energy transmission. Mobile microorganisms in fluids can be used in bioprocessing to create beneficial substances and improve mixing and distribution of nutrients. This study provides a comprehensive numerical analysis of the impact of melting transport and microorganisms on a non-Newtonian nano fluid model, and the results are validated with previously published data.
CASE STUDIES IN THERMAL ENGINEERING
(2023)
Article
Chemistry, Multidisciplinary
Ebrahem A. Algehyne et al.
Summary: This study investigates the effect of thermal radiation on motile microorganisms in a two-dimensional Maxwell nanofluid on a vertically stretchable surface. The study considers factors such as heat absorption, heat flux efficiency in a porous medium, viscous dissipations, and Joule heating impacts. The effects of Brownian and thermophoretic diffusion, as well as magnetic parameter, are evaluated. The research findings reveal that the Maxwell liquid parameter, Eckert number, and magnetic parameter decrease the nanoliquid velocity, while the fluid temperature increases with increasing Brownian motion and thermophoretic factors. The nanofluid thermal profile improves, but the nanofluid velocity decreases with an increase in volume fraction.
NANOTECHNOLOGY REVIEWS
(2023)
Review
Chemistry, Physical
De Gong et al.
Summary: Microorganisms have become a new source for fabricating intricate micro/nano structures via bottom-up approaches. These biotemplates, produced by nature, exhibit unique structural and material features accumulated over thousands of years. Compared to other micro/nanofabrication techniques, microorganism-based fabrication is considerably superior and cost-effective for fabricating complex and heterogeneous structures. This review consolidates the recent advances in biologically driven micro/nanofabrication, assembly, and actuation based on microorganisms, covering detailed development, ordered assembly, controlled actuation properties, and typical engineering applications. The developing perspectives and challenges of microorganism-based micro/nanofabrication are also discussed to inspire further research and promote the field's development.
Article
Thermodynamics
Bahram Jalili et al.
Summary: This study investigates the flow characteristics and heat transfer performance of magnetohydrodynamics (MHD) nanofluid in an innovative porous, circle-shaped enclosure. The results show that the volume fraction of nanoparticles, inclined angle, Lorentz, and buoyancy forces significantly affect the MHD nanofluid flow.
Article
Engineering, Mechanical
Dhanekula Naga Bhargavi et al.
Summary: This study examines the hydrothermal performance of a hybrid nanofluid consisting of graphene, gold/polydimethylsiloxane between two squeezing plates. The effects of linear and nonlinear thermal radiation on thermal transport are considered, and the system's energy efficiency is assessed using Bejan numbers. The study finds that the Bejan number increases with the radiation parameter Rd, but decreases with respect to the Eckert number effect. The hybrid nanofluid exhibits higher skin friction values and Nusselt number compared to the nanofluid case. The Deborah number-induced stress relaxation phenomenon reduces the efficiency of flow field and thermal energy transfer.
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART E-JOURNAL OF PROCESS MECHANICAL ENGINEERING
(2022)
Article
Multidisciplinary Sciences
Kotha Gangadhar et al.
Summary: The main objective of the study is to investigate the impact of Lorentz force and convective heating boundary on second-grade nanofluid flow alongside a Riga pattern. By utilizing mathematical modeling and theoretical analysis, the characteristics of nanoparticle flow and modern aspects of heat and mass transport are revealed. The scientific calculations obtained from the study may play a significant role in production processes and the improvement of energy and thermal resources.
ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING
(2022)
Article
Thermodynamics
P. M. Patil et al.
Summary: The study focuses on the triple-diffusive nonlinear combined convective nanoliquid flow at a wedge with convective boundary constraints and viscous dissipation. Nonlinear coupled partial differential equations with boundary constraints are used to model the flow problem, which are then solved using the Quasilinearization technique and implicit finite difference approximation. The findings suggest that higher Schmidt number values decrease the mass diffusivity of liquid oxygen compared to liquid hydrogen, and increasing Biot number values enhance the magnitude of energy transfer rate.
INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER
(2021)
Article
Engineering, Multidisciplinary
P. M. Patil et al.
Summary: The study investigates combined convection nanoliquid flow involving three diffusive components along with a moving plate and magnetic field effects. The conservation equations are solved using Quasilinearization technique and finite difference method. The numerical simulation results show that the increase in the thermophoresis parameter Nt accelerates both the temperature profile and the nanoparticle Sherwood number, while the Brownian diffusion parameter Nb affects the temperature profile and nanoparticle Sherwood number differently.
AIN SHAMS ENGINEERING JOURNAL
(2021)
Article
Multidisciplinary Sciences
Prabhugouda M. Patil et al.
Summary: The study examined the convective motion over a rough sphere with hybrid nanoparticles, simulating fluid characteristics and temperature patterns using numerical techniques. It found that the hybrid nanofluid has a significant impact on surface friction and energy transport strength compared to the host liquid and mono nanofluid. The research concluded that velocity distribution decreases while surface friction, energy transport strength, and temperature distribution increase for higher values of hybrid nanofluid.
Article
Multidisciplinary Sciences
Muhammad Imran Asjad et al.
Summary: Thermal management is crucial in the current era of miniatures and compact heat density. Utilizing nanofluids and bioconvection of microorganisms enhances thermal transportation efficiency. The findings suggest that thermal transportation is enhanced with the inclusion of nano entities and bioconvection of microorganisms.
Article
Physics, Fluids & Plasmas
Tunde A. Yusuf et al.
Summary: This paper discusses the rate of entropy production in a bio-convective flow of a magnetohydrodynamic Williamson nanoliquid over an inclined convectively heated stretchy plate. The coupled partial differential equations are numerically solved and the influences of thermo-physical parameters on the flow field are extensively discussed.
Article
Thermodynamics
Ahmed Zeeshan et al.
JOURNAL OF POROUS MEDIA
(2020)
Article
Thermodynamics
Ahmed Zeeshan et al.
Article
Multidisciplinary Sciences
Sami Ullah Khan et al.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES INDIA SECTION A-PHYSICAL SCIENCES
(2019)
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Prabhugouda M. Patil et al.
JOURNAL OF THE BRAZILIAN SOCIETY OF MECHANICAL SCIENCES AND ENGINEERING
(2019)
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Engineering, Mechanical
N. Ijaz et al.
MECHANICS & INDUSTRY
(2018)
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Prabhugouda Mallanagouda Patil et al.
INTERNATIONAL JOURNAL OF NUMERICAL METHODS FOR HEAT & FLUID FLOW
(2018)
Article
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G. C. Dash et al.
ALEXANDRIA ENGINEERING JOURNAL
(2018)
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Ahmed Zeeshan et al.
MECHANICS & INDUSTRY
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I-Chung Liu et al.
CHEMICAL ENGINEERING COMMUNICATIONS
(2013)
