Theoretical analysis and steady-state responses of the multienzyme amperometric biosensor system for nonlinear reaction-diffusion equations DOI Creative Commons

A. Reena,

SG. Karpagavalli,

R. Swaminathan

et al.

International Journal of Electrochemical Science, Journal Year: 2023, Volume and Issue: 18(10), P. 100293 - 100293

Published: July 24, 2023

In this study, a mathematical model for multienzyme biosensor system is presented. This identifies analytes by chemical conversion into the signal response. It based on nonlinear reaction-diffusion equations bisubstrate amperometric under steady-state conditions. A precise parametric analysis crucial better understanding of biosensor. The Akbari-Ganji method used to solve differential equations. AGM already utilized in heat transfer science. it employed first time approximate solution An analytical expression concentration substrate, inhibitor, co-substrate, product 1, 3 and current are obtained. Furthermore, determine sensitivity resistance study uses MATLAB tool describe numerical simulation problem. satisfactory level agreement was found between results experimental parameter values. influence parameters sensitivity, also investigated using analysis. Current strongly influenced substrate bulk glucose reaction constant, respectively. most significant factor influencing membrane thickness. work serves as resource further research models sheds light relevant applications, such food safety, biomedicine, environmental research.

Language: Английский

Analytical approach for micropolar fluid flow in a channel with porous walls DOI Creative Commons
Bahram Jalili, Ali Ahmadi Azar, Payam Jalili

et al.

Alexandria Engineering Journal, Journal Year: 2023, Volume and Issue: 79, P. 196 - 226

Published: Aug. 11, 2023

This article aims to analyze and reach new physical achievements in a well-known nonlinear problem of two-dimensional, steady, steady micropolar fluid flow between two parallel permeable porous walls. Micropolar fluids are considered class non-Newtonian fluids. The governing equations this were analyzed using analytical methods. novelty article, apart from showing the application mathematical methods solving non-linear equations, more about achieving results that obtained article. From results, it is obvious with raise coupling parameter, other dimensionless parameters increase, except for microrotation. Also, when spin gradient viscosity parameter increases, all average values mentioned increase. problem's solution, clear micro-inertia density ratio increases across channel, decrease function characteristics. Peclet number heat diffusion changed, only affects temperature profile. When mass concentration

Language: Английский

Citations

43
Studying the effect of various types of chemical reactions on hydrodynamic properties of dispersion and peristaltic flow of couple-stress fluid: Comprehensive examination DOI
Mallinath Dhange,

C. Uma Devi,

Wasim Jamshed

et al.

Journal of Molecular Liquids, Journal Year: 2024, Volume and Issue: 409, P. 125542 - 125542

Published: July 14, 2024

Language: Английский

Citations

30
Effect of variations hollow of octagon porous media on heat and mass transfer DOI Creative Commons

Musa Bahmani,

Bahram Jalili, Payam Jalili

et al.

International Journal of Thermofluids, Journal Year: 2024, Volume and Issue: 21, P. 100576 - 100576

Published: Jan. 19, 2024

This study investigates stream function, temperature distribution, and concentration distortion of porous media with three types hollow. The key factors in conductive heat mass transfer are the number vanes hollows various hollows, including semi-circle, square, triangle vanes, which novelty this research. Furthermore, valuable result present is that semi-circle had a higher than square vanes. It matter to analyze phenomena used mutually coupled equations FEM. finite element approach employed compare distribution small large hollows. Based on obtained numerical results, most effect was reduction related On other hand, Nusselt bottom wall influence extremely, results depended some parameters such as ε, Diffusion, Radiation, Rayleigh number. Finally, Stream distortion, octagon analyzed develop knowledge transfer.

Language: Английский

Citations

26
Investigate the influence of various parameters on MHD flow characteristics in a porous medium DOI Creative Commons

Mehdi Mahboobtosi,

Ali Mirzagoli Ganji,

Payam Jalili

et al.

Case Studies in Thermal Engineering, Journal Year: 2024, Volume and Issue: 59, P. 104428 - 104428

Published: April 21, 2024

The flow phenomena become more significant and varied when an extra heat source, a chemical reaction, thermal solutal buoyancy forces exist. Transport property optimization results from the current demand in several sectors dependent on reactant source given. Partial differential equations are transformed into ordinary using appropriate similarity transformations. Python was used as efficient tool to solve this research. According available facilities libraries, can efficiently various physics engineering problems. homotopy perturbation method (HPM) Akbari-Ganji Method (AGM) have been equations. calculated indicate high accuracy of calculations Python. effect different parameters profile velocity, temperature, concentration has investigated graphically. Also, friction coefficient (), Nusselt number Sherwood () also study. show that velocity decreases with increased magnetic field intensity. porosity parameter inverse temperature profile, so growth reduces fluid while improving profile.

Language: Английский

Citations

21
The effect of magnetic field on the heat transfer in the porous medium octagonal cavity with Cassini oval barriers DOI Creative Commons

Hassan Roshani,

Payam Jalili, Bahram Jalili

et al.

Case Studies in Thermal Engineering, Journal Year: 2024, Volume and Issue: 56, P. 104194 - 104194

Published: March 16, 2024

This article investigates the effect of Rayleigh numbers, Hartmann and magnetic fields on nanofluid flow behavior heat transfer. The has been analyzed based contours values function transfer temperature distribution local average Nusselt number values. Since effects field are an important parameter in many technical engineering applications such as cooling nuclear reactors, extraction geothermal energy, induction casting metals, this study, its aluminum oxide nanoparticle, Al2O3, water, H2O, analyzed. governing equations flow, continuity, momentum, energy have solved using Galerkin finite element method coded simulated FlexPDE software. results obtained for both octagonal cavities containing horizontal vertical Cassini oval barriers with specific boundary conditions show that nanoparticle volume fraction being constant, value maximum stream decreases increase number, when is increasing increases significantly.

Language: Английский

Citations

17
Thermal study of MHD hybrid nano fluids confined between two parallel sheets: shape factors analysis DOI Creative Commons
Bahram Jalili,

Pooriya Majidi Zar,

Dong Liu

et al.

Case Studies in Thermal Engineering, Journal Year: 2024, Volume and Issue: 63, P. 105229 - 105229

Published: Oct. 5, 2024

Language: Английский

Citations

16
Enhancement in Heat Transfer with Nanofluids in Double-Pipe Heat Exchangers DOI Creative Commons
Anant Sidhappa Kurhade,

Gulab Dattrao Siraskar,

Milind Manikrao Darade

et al.

Journal of Mines Metals and Fuels, Journal Year: 2025, Volume and Issue: unknown, P. 165 - 172

Published: Jan. 7, 2025

This study investigates the potential of using nanofluids, specifically those composed water and Titanium Dioxide (TiO2) nanoparticles, to enhance thermal performance a double-pipe copper heat exchanger. By incorporating varying concentrations TiO2 nanoparticles (0.1%, 0.3% 0.5%) into water, researchers aimed improve fluid's conductivity viscosity. The experimental results demonstrated that addition led significant increase in overall transfer rate. highest rate was achieved at nanoparticle concentration 0.3%, indicating an optimal balance between enhanced properties flow resistance. However, slight decrease observed 0.5%, suggesting higher may not necessarily lead further improvements. revealed substantial 23% improvement efficiency exchanger when nanofluid. enhancement is attributed improved nanofluid, which allows for more efficient hot cold fluids. In conclusion, findings this research strongly suggest TiO2/water nanofluids can significantly exchangers. carefully optimising conditions, it possible achieve gains while minimising drawbacks such as increased pressure drop. Major Findings: explored use transfer, with leading efficiency. concentrations, improving conductivity, drop, potentially offsetting benefits.

Language: Английский

Citations

3
Impact of Micropolar Effects on Nanofluid Flow Between Two Disks DOI Creative Commons
S. Saranya,

P. Ragupathi,

Qasem M. Al‐Mdallal

et al.

International Journal of Thermofluids, Journal Year: 2025, Volume and Issue: unknown, P. 101050 - 101050

Published: Jan. 1, 2025

Language: Английский

Citations

2
The HAN method for a thermal analysis of forced non-Newtonian MHD Reiner-Rivlin viscoelastic fluid motion between two disks DOI Creative Commons
Payam Jalili, Ali Ahmadi Azar, Bahram Jalili

et al.

Heliyon, Journal Year: 2023, Volume and Issue: 9(6), P. e17535 - e17535

Published: June 1, 2023

In this article, the semi-analytical technique of Hybrid Analytical and Numerical Method (the HAN Method) is used to study non-transient forced non-Newtonian MHD Reiner-Rivlin viscoelastic fluid motion that constrained between two plates. The magnetic field also present in model. governing equations are PDE form by using Von Kármán similarity variables, they transformed into a set ODEs. HAN-method applied solve ODEs their associated boundary conditions, analytically. addition, for validation, solution results were compared with HPM numerical Runge-Kutta results. And finally, new extracted from solutions quantitative form.

Language: Английский

Citations

34
Numerical Study and Comparison of Two-dimensional Ferrofluid Flow in Semi-porous Channel under Magnetic Field DOI Open Access
Payam Jalili, Mohammad Dehghan Afifi, Bahram Jalili

et al.

International journal of engineering. Transactions B: Applications, Journal Year: 2023, Volume and Issue: 36(11), P. 2087 - 2101

Published: Jan. 1, 2023

In this article, the equations governing constant ferromagnetic current are investigated. The Lorentz force restrains ferrofluid flow in a semi-porous valve. Analyzes were performed on three sub-particle fluids: kerosene and blood, water magnetite. Modeling Cartesian coordinate system using relevant was A slight thinning should be considered lower part of channel. This research has used two Akbari-Ganji methods (AGM) finite element method (FEM) to solve equations. Nonlinear differential solved above methods. model, effect changing Hartmann number Reynolds velocity derivatives shear stress fluid As increases, decreases both directions. changes different slip parameters, which shows opposite behavior for Also, insignificant volume fraction nanoparticles its results solving with compared HAM. obtained AGM FEM their comparison previous researches have led complete agreement, efficiency techniques research.

Language: Английский

Citations

23