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Article
Mathematics, Applied
Tie-Hong Zhao et al.
Summary: Mixed convection is a heat transport mechanism in thermodynamic systems that involves the motion of fluid particles influenced by both gravity and external forces. This study focuses on the mixed convective flow of Ree-Eyring fluid between two rotating disks, considering the effects of porosity and velocity slip. The energy equation is modeled with various factors such as heat generation/absorption, dissipation, radiative heat flux, and Joule heating. The results obtained are compared with previous studies, showing good agreement. Interesting physical phenomena such as skin friction and heat transfer are also numerically calculated.
MATHEMATICAL METHODS IN THE APPLIED SCIENCES
(2023)
Article
Mathematics, Applied
Yu-Ming Chu et al.
Summary: This study examines the impact of unsteady viscous flow in a squeezing channel and investigates the flow and heat transfer mechanism of different shapes of silver-gold hybrid nanofluid particles in the base fluid. The numerical solution and parameter analysis reveal that the Yamada-Ota model of the Hybrid nanofluid has a higher temperature and velocity profile, and the performance of hybrid nanoparticles is superior to that of common nanofluids.
MATHEMATICAL METHODS IN THE APPLIED SCIENCES
(2023)
Article
Mathematics, Applied
Kulandhivel Karthikeyan et al.
Summary: This paper focuses on the existence results of psi-Hilfer fractional impulsive integro-differential equations with almost sectorial operators, proving mild solutions using the Schauder fixed-point theorem and measure of noncompactness. Two cases of operators associated semigroup are discussed, along with an abstract application via Hilfer fractional derivative system to verify the results.
MATHEMATICAL METHODS IN THE APPLIED SCIENCES
(2022)
Article
Materials Science, Multidisciplinary
Xiaojun Huang et al.
Summary: In this paper, a broadband terahertz metamaterial absorber based on graphene-polyimide composite structure is proposed and its excellent performance is verified through simulations. The absorber exhibits high absorptance and wide bandwidth, and can be controlled by adjusting the chemical potential of graphene. Additionally, it shows good adaptability to polarization and oblique incidence.
OPTICAL MATERIALS EXPRESS
(2022)
Article
Nanoscience & Nanotechnology
Junyu He et al.
Summary: UV photodetectors based on InZnO nanowires show excellent photoelectric performance, with high photo-to-dark current ratio, photo responsivity, and detectivity. This study explores the potential of constructing transparent electronics and lowering annealing temperatures for metal oxide nanowire devices.
ADVANCED ELECTRONIC MATERIALS
(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
Mathematics, Applied
Mubbashar Nazeer et al.
Summary: This article investigates the electro-osmotic flow of non-Newtonian fluid in a micro-channel. Perturbation method is used to obtain the approximate analytical solution and pseudo-spectral collocation method is used to calculate the error in the solution. The study reveals the impact of various parameters on velocity and heat profiles, providing insights for understanding the behavior of non-Newtonian fluid in microchannels.
APPLIED MATHEMATICS AND COMPUTATION
(2022)
Article
Mathematics, Applied
Yu-Ming Chu et al.
Summary: The current research focuses on nano-material suspensions and flow characteristics, particularly in terms of their applications in biomedical rheological models. This study analyzes the radiative flow of Maxwell nanoliquid on a stretching cylinder, taking into account magnetic effect, Stefan blowing, and bioconvection. The results provide insights into the behavior of dimensionless parameters on dimensionless velocity, concentration, and thermal profiles through graphical representations, with significant findings regarding velocity change, thermal and mass relaxation times, Brownian factor, and microorganism concentration.
APPLIED MATHEMATICS AND COMPUTATION
(2022)
Article
Mathematics, Interdisciplinary Applications
Saima Rashid et al.
Summary: This paper investigates the dynamic features of discrete fractional calculus (DFC), specifically focusing on discrete fractional systems with complex dynamics. By considering discrete PI-proportional fractional operator, the author derives novel versions of reverse Minkowski and Holder-type inequalities, contributing to major results. The proposed system exhibits an intriguing feature characterized by nabla fractional sums. The author reports novel special cases to assess system dynamics and highlight existing outcomes. The method is efficient in analyzing system complexity and can be applied to investigate the existence and uniqueness of fractional difference equations.
FRACTALS-COMPLEX GEOMETRY PATTERNS AND SCALING IN NATURE AND SOCIETY
(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
Chemistry, Multidisciplinary
Tao Li et al.
Summary: This review presents recent advances in the fabrication of metal oxide-based gas sensors and 2D nanomaterial-based gas sensors. By combining metal oxides with 2D nanomaterials to construct heterostructures, the fabricated gas sensors exhibit highly sensitive and selective functions. The review discusses the working principles of various gas sensors and factors affecting the sensitivity of gas sensors. Many examples of gas sensor fabrication using metal oxides, 2D materials, and their composites are demonstrated. The review concludes with a summary of the current development and potential research directions in this field.
Article
Chemistry, Multidisciplinary
Tao Li et al.
Summary: Electrospun nanofiber materials, particularly those based on gelatin, have shown promise as advanced dressings for wound healing and skin regeneration. They possess high porosity, excellent barrier performance against pathogens, and a mimicry of extracellular matrix fibrils. Various crosslinking approaches and innovative electrospinning strategies have been used to enhance their mechanical properties. Additionally, bioactive components and therapeutic agents can be incorporated to impart multiple functions to these nanofiber dressings. This review provides a comprehensive overview of gelatin-based nanofiber dressings and their applications in wound healing and skin regeneration.
Article
Engineering, Biomedical
Jiao Liu et al.
Summary: This study presents an integrated electrospinning system for fabricating nanofibrous textiles with excellent properties, which is of great significance in the field of tissue engineering and regenerative medicine.
MATERIALS TODAY BIO
(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
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
Mathematics, Applied
Wei-Mao Qian et al.
Summary: In this article, a set of parameters and their inequalities are proposed to study new bounds for the complete elliptic integral of the second kind.
JOURNAL OF MATHEMATICAL INEQUALITIES
(2022)
Article
Chemistry, Physical
Tong Wang et al.
Summary: This research focused on accelerating solidification by installing radial fins in a sinusoidal tank with an inner circular cylinder, while improving conduction efficiency by adding CuO nano sized material. The governing equations, solved using Galerkin approach, showed that different mesh configurations at various time steps improved accuracy in capturing the phenomena.
JOURNAL OF MOLECULAR LIQUIDS
(2021)
Article
Chemistry, Physical
Junhua Li et al.
Summary: This study analyzed turbulent flow with the installation of helical tape in a system utilizing nanofluid, presenting hydrothermal and exergy analysis. Using the Finite Volume Method, the study explored the effects of Re and number of revolutions on hydrothermal treatment and extracted suitable correlations for entropy components. Results showed that pressure loss increases with the rise of Re and revolution number.
JOURNAL OF MOLECULAR LIQUIDS
(2021)
Article
Engineering, Chemical
Fanghua Li et al.
Summary: This paper discusses how the arrangement of fins can affect the charging process, utilizing a mixture of paraffin and copper oxide nanomaterial and exploring various configurations of fins with different positions, thicknesses, and lengths. Results show that using fins can reduce melting time, with fins on both inner and outer pipes improving efficiency, and finding the optimal fin style can achieve the best performance.
Article
Chemistry, Physical
Pei-Ying Xiong et al.
Summary: Numerical simulation of hybrid nanomaterial free convection was conducted with the assistance of CVFEM, showing that dispersing nanomaterial can minimize exergy loss and hybrid nanofluid was employed. Increasing Hartmann number leads to greater X-d and is more sensitive when convection becomes stronger. The increase in permeability enhances nanomaterial motion and reduces exergy drop.
JOURNAL OF MOLECULAR LIQUIDS
(2021)
Article
Chemistry, Physical
Pei-Ying Xiong et al.
Summary: This article focuses on studying the effects of adding fins and nanoparticles of different sizes on the time needed for solidification. The diameter of particles has a significant impact on the solidification rate, and it is not recommended to increase the diameter above 40 nm.
JOURNAL OF MOLECULAR LIQUIDS
(2021)
Article
Engineering, Chemical
Bing Bai et al.
Summary: The attachment-detachment process of heavy metal ions and suspended matter onto a quartz sand porous medium can be described by a nonlinear model. The irregular motions of Cu2+, GO and silica powder were significantly enhanced by increasing the temperature.
Article
Chemistry, Inorganic & Nuclear
Chunwei Shi et al.
Summary: This study focused on using pH-responsive magnetic Janus particles for the efficient adsorption and degradation of PPCPs. The Janus particles showed higher adsorption efficiency than activated carbon and could catalyze the degradation of adsorbed PPCPs effectively in the Fenton/hydroxylamine system, with a removal rate above 85% after repeated use.
SOLID STATE SCIENCES
(2021)
Article
Mathematics, Interdisciplinary Applications
Yu-Ming Chu et al.
Summary: This report discusses the flow of Powell-Eyring fluid mixed with hybrid nanoparticles over a melting parabolic stretched surface. Flow rheology expressions have been derived under boundary layer theory and transformed into associated ODEs using similarity transformation. The applicability and effectiveness of FEM in solving highly nonlinear problems is demonstrated, showing that the methodology can be easily implemented in MAPLE 18.0.
FRACTAL AND FRACTIONAL
(2021)
Article
Thermodynamics
V. Muthya Goud et al.
APPLIED THERMAL ENGINEERING
(2020)
Article
Chemistry, Physical
Yu-Ming Chu et al.
JOURNAL OF MOLECULAR LIQUIDS
(2020)
Article
Chemistry, Physical
Yu-Ming Chu et al.
JOURNAL OF MOLECULAR LIQUIDS
(2020)
Article
Chemistry, Physical
Yu-Ming Chu et al.
JOURNAL OF MOLECULAR LIQUIDS
(2020)
Article
Mathematics, Applied
Hai-Yang Jin et al.
DISCRETE AND CONTINUOUS DYNAMICAL SYSTEMS
(2020)
Article
Thermodynamics
Wei-Biao Ye et al.
HEAT TRANSFER RESEARCH
(2019)
Article
Thermodynamics
Wen-Tao Yan et al.
HEAT TRANSFER-ASIAN RESEARCH
(2019)
Article
Mechanics
Wei-Biao Ye et al.
INTERNATIONAL JOURNAL OF FLUID MECHANICS RESEARCH
(2019)
Article
Thermodynamics
Wen-Tao Yan et al.
HEAT TRANSFER-ASIAN RESEARCH
(2019)
Article
Engineering, Chemical
Mohsen Sheikholeslami
JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS
(2018)
Article
Thermodynamics
Wei-Biao Ye
HEAT AND MASS TRANSFER
(2017)
Article
Thermodynamics
Wei-Biao Ye
APPLIED THERMAL ENGINEERING
(2016)
Article
Thermodynamics
Manish K. Rathod et al.
APPLIED THERMAL ENGINEERING
(2015)
Article
Thermodynamics
Chang Liu et al.
INTERNATIONAL JOURNAL OF THERMAL SCIENCES
(2014)
Article
Mathematics, Applied
Ping Liu et al.
DISCRETE AND CONTINUOUS DYNAMICAL SYSTEMS-SERIES B
(2013)
Article
Thermodynamics
Sohif Mat et al.
ENERGY CONVERSION AND MANAGEMENT
(2013)
Article
Engineering, Multidisciplinary
Seyed Sahand Sebti et al.
JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A
(2013)
Article
Thermodynamics
MJ Huang et al.
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
(2004)
