Journal of Nanofluids最新文献_第2页

Mixed Convective Flow of Tri-Hybrid Nanofluid TiO2–Al2O3–SiO2/H2O Past a Variably Thicked Stretching Sheet with Newtonian Heating 三混合纳米流体 TiO2-Al2O3-SiO2/H2O 在牛顿加热条件下流过可变厚度拉伸片的混合对流

IF 4.1

Journal of Nanofluids Pub Date : 2023-10-01 DOI: 10.1166/jon.2023.2064

Archie Thakur, Shilpa Sood, Diksha Sharma

{"title":"Mixed Convective Flow of Tri-Hybrid Nanofluid TiO2–Al2O3–SiO2/H2O Past a Variably Thicked Stretching Sheet with Newtonian Heating","authors":"Archie Thakur, Shilpa Sood, Diksha Sharma","doi":"10.1166/jon.2023.2064","DOIUrl":"https://doi.org/10.1166/jon.2023.2064","url":null,"abstract":"Tri-hybrid nanofluids are formed by involving three different types of nanoparticles in the base fluid. In recent years, studies have been done to properly understand the factors that affect the heat transfer properties of these tri-hybrid nanofluids under various circumstances. The purpose of this study is to execute a study on an advanced tri-hybrid nanofluid model for heat transfer. No previous analysis has been executed for the flow of tri-hybrid nanofluid TiO2–Al2O3–SiO2/H2O past a variably thickened stretching sheet with the inclusion of Newtonian heating, magnetic field, mixed convection, thermal radiation, and viscous dissipation. This investigation confronts the heat transfer characteristics of boundary layer mixed convective flow of TiO2–Al2O3–SiO2/H2O tri-hybrid nanofluid on a variably thickened stretching sheet along with the inclusion of thermal radiation, viscous dissipation, and Newtonian heating. The ruling boundary layer equations are manipulated into an arrangement of ODEs using appropriate similarity transformations which are worked out with the bvp4c program in MATLAB for solutions. The plots obtained reveal that the variation in the non-dimensional discrete parameters induced in the investigation significantly affects the flow inside the boundary layer. The variation in Cfx and Nux are presented via 3D graphs. The reason for picking the tri-hybrid nanoparticles TiO2, Al2O3, and SiO2 is the raise in thermal conductivity with the addition of Al2O3 in comparison with low thermal conductivity values of SiO2 and TiO2 combination. This study reports that the Newtonian heating at the surface of the sheet assists the flow of tri-hybrid nanofluid TiO2–Al2O3–SiO2/H2O and conducts heat at a better rate. Also, the temperature profile of the tri-hybrid nanofluid TiO2–Al2O3–SiO2/H2O is more prominent than the plots of hybrid nanofluid TiO2–Al2O3/H2O, nanofluid TiO2/H2O, and fluid H2O.","PeriodicalId":47161,"journal":{"name":"Journal of Nanofluids","volume":"15 1","pages":""},"PeriodicalIF":4.1,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139330689","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Analysis of Entropy Generation on MHD Radiative Viscous-Ohmic Dissipative Heat Transfer Over a Stretching Sheet in a Chemically Reactive Jeffrey Nanofluid with Non-Uniform Heat Source/Sink Based on SQLM 基于 SQLM 的化学反应型杰弗里纳米流体与非均匀热源/散热器在拉伸片上的 MHD 辐射粘滞-耗散传热的熵生成分析

IF 4.1

Journal of Nanofluids Pub Date : 2023-10-01 DOI: 10.1166/jon.2023.2096

D. Pal, S. Mondal

{"title":"Analysis of Entropy Generation on MHD Radiative Viscous-Ohmic Dissipative Heat Transfer Over a Stretching Sheet in a Chemically Reactive Jeffrey Nanofluid with Non-Uniform Heat Source/Sink Based on SQLM","authors":"D. Pal, S. Mondal","doi":"10.1166/jon.2023.2096","DOIUrl":"https://doi.org/10.1166/jon.2023.2096","url":null,"abstract":"We have examined the effect of entropy generation and nonlinear thermal radiation on magnetohydrodynamic (MHD) in Jeffrey nanofluid over a permeable stretching sheet with viscous-Ohmic dissipation and non-uniform heat source/sink. Brownian motion and thermophoresis effects have also been taken into account. The basic governing equations of the boundary layer flow are then solved numerically by the Spectral Quasilinearization method (SQLM). Various controlling physical parameters effects on velocity, temperature, concentration, entropy generation and Bejan number profiles are presented graphically. Results show that increasing the magnetic parameter, Brownian motion parameter, and thermophoresis parameter enhance the temperature profiles. Furthermore, the entropy generation profiles increase with space-dependent and temperature-dependent parameters, wall mass flux parameter, and chemical reaction parameter near to the sheet. In contrast, reverse trends are observed away from the sheet. Novelty of entropy generation is also provided to reflect the effects of several relevant physical parameters on the entropy generation rate and Bejan number.","PeriodicalId":47161,"journal":{"name":"Journal of Nanofluids","volume":"23 1","pages":""},"PeriodicalIF":4.1,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139330876","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Numerical Computation of Natural Convection of Nanofluid in an Open Wavy Porous Cavity Heated Partially 部分加热的开放式波浪形多孔腔中纳米流体的自然对流数值计算

IF 4.1

Journal of Nanofluids Pub Date : 2023-10-01 DOI: 10.1166/jon.2023.2050

Prabir Barman, P. Rao, Sandip Chowdhury

引用次数: 0

Computational Study of Crossed-Cavity Hybrid Nanofluid Turbulent Forced Convection for Enhanced Concentrated Solar Panel Cooling 用于增强聚光太阳能电池板冷却的交叉腔混合纳米流体湍流强制对流计算研究

IF 4.1

Journal of Nanofluids Pub Date : 2023-10-01 DOI: 10.1166/jon.2023.2099

K. Djermane, S. Kadri

引用次数: 0

Mixed Convection Flow Analysis of Carreau Fluid Over a Vertical Stretching/Shrinking Sheet 卡诺流体在垂直拉伸/收缩薄片上的混合对流分析

IF 4.1

Journal of Nanofluids Pub Date : 2023-10-01 DOI: 10.1166/jon.2023.2085

Sradharam Swain, G. M. Sarkar, B. Sahoo, A. Rashad

{"title":"Mixed Convection Flow Analysis of Carreau Fluid Over a Vertical Stretching/Shrinking Sheet","authors":"Sradharam Swain, G. M. Sarkar, B. Sahoo, A. Rashad","doi":"10.1166/jon.2023.2085","DOIUrl":"https://doi.org/10.1166/jon.2023.2085","url":null,"abstract":"The current investigation aspires to unravel the steady mixed convection flow of Carreau fluid over a permeable vertical stretching/shrinking sheet near a stagnation point. The system of governing equations is reduced into ODEs utilizing appropriate similarity transformations. The similarity transformations are obtained via the Lie scaling group of transformations. Dual similarity solutions are detected depending on the opposing flow parameter for stretching and shrinking cases. The effects of pertinent parameters on the skin friction coefficient, Nusselt number, velocity, and temperature fields are examined in detail. The influence of the suction parameter on the variations of skin friction coefficient for the stretching case shows various behavior than in the shrinking case. However, on the variations of the Nusselt number, a similar trend in both the stretching and shrinking cases is observed. The fluid velocity decreases, and the temperature rises with the increment of non-Newtonian parameter in the upper branch, whereas the lower branch depicts opposite trends. Due to the different characteristics of the lower branch than the upper branch, it is necessary to find a physically reliable solution branch. Thus, a linear temporal stability analysis is conducted based on the sign of the smallest eigenvalue. The smallest eigenvalues are determined numerically using the shooting technique, revealing that the upper branch is the only stable solution branch.","PeriodicalId":47161,"journal":{"name":"Journal of Nanofluids","volume":"9 1","pages":""},"PeriodicalIF":4.1,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139326649","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Rayleigh-Bénard-Marangoni Convection of Mono and Hybrid Nanoliquids in an Inclined Plane and Solution by Shooting Method 倾斜平面内单纳米液体和混合纳米液体的雷利-贝纳德-马兰戈尼对流以及射流法求解

IF 4.1

Journal of Nanofluids Pub Date : 2023-10-01 DOI: 10.1166/jon.2023.2062

M. Gayathri, S. Pranesh, P. Siddheshwar

引用次数: 0

Unsteady 3D MHD Boundary Layer Stream for Non-Newtonian Power-Law Fluid Near Stagnation Point of Moving Surfaces 运动表面停滞点附近非牛顿动力法流体的非稳态三维 MHD 边界层流

IF 4.1

Journal of Nanofluids Pub Date : 2023-10-01 DOI: 10.1166/jon.2023.2098

Mahesha, V. Mohan Babu

{"title":"Unsteady 3D MHD Boundary Layer Stream for Non-Newtonian Power-Law Fluid Near Stagnation Point of Moving Surfaces","authors":"Mahesha, V. Mohan Babu","doi":"10.1166/jon.2023.2098","DOIUrl":"https://doi.org/10.1166/jon.2023.2098","url":null,"abstract":"An unsteady three-dimensional MHD boundary layer is a fluid flow region near a surface where magnetic fields are present and interact with the fluid flow, causing it to become unsteady. This type of flow is commonly found in various astrophysical and technological applications, such as in plasmas and fusion reactors. The 3D nature of the flow introduces additional complexities to the flow dynamics, making the study and modeling of unsteady MHD boundary layers a challenging and active area of research. The unsteady boundary layer flow of fluid over a moving stagnation surface is theoretically examined in the current work with the impression of a magnetic field. The exact outcomes of the governing equations for the flow domain are obtained by utilizing the shooting phenomena. The specified analytical outcomes are also obtained for some cases. Detailed discussions of the parameters involved are confirmed both physically and graphically. Numerical results for both profiles are presented graphically. The study and modeling of unsteady 3D MHD boundary layers is imperative for a thorough understanding of various physical phenomena, improving the performance of technological systems, and advancing our knowledge of fluid dynamics.","PeriodicalId":47161,"journal":{"name":"Journal of Nanofluids","volume":"27 1","pages":""},"PeriodicalIF":4.1,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139329807","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Thermogravitational Convection in a Multiple Baffled Enclosure Filled with Magneto-Hybrid Nanofluid Subjected to Magnetic Field Dependent Viscosity 充满磁混合纳米流体的多褶皱外壳中的热重对流受磁场粘度影响

IF 4.1

Journal of Nanofluids Pub Date : 2023-10-01 DOI: 10.1166/jon.2023.2051

Swapan K. Pandit, A. Chattopadhyay, Rupchand Malo, Krishno D. Goswami

{"title":"Thermogravitational Convection in a Multiple Baffled Enclosure Filled with Magneto-Hybrid Nanofluid Subjected to Magnetic Field Dependent Viscosity","authors":"Swapan K. Pandit, A. Chattopadhyay, Rupchand Malo, Krishno D. Goswami","doi":"10.1166/jon.2023.2051","DOIUrl":"https://doi.org/10.1166/jon.2023.2051","url":null,"abstract":"This study explores the significant impacts of thin baffles and magnetic field dependent viscosity on magnetohydrodynamic (MHD) thermogravitational convection of Cu-Al2O3 (50%–50%) water hybrid nanoliquid in a cavity. Considering different arrangements of baffle sticks on both the vertical walls, four geometrical configurations (Case-I, Case-II, Case-III and Case-IV) have been analyzed. Numerical simulation has been performed for the governing Navier-Stokes (N-S) equations in streamfunction - vorticity form having energy equation. These coupled equations are solved by proposing a higher-order compact finite difference method. The combination of five important aspects (hybrid nanofluid, multiple baffles, magnetic field dependent viscosity (MFDV), magnetic field and compact computation) signifies the novelty of this work. Fluid flow and transportation of thermal energy within the stipulated domain are presented for various flow pertinent parameters. The outcomes show that the increase in number of baffles diminishes the average Nusselt number values. It is concluded here that an increase in Hartmann number from 0 to 90 leads to a decrease in average Nusselt number up to 23.7% for Case-I, 23.8% for Case-II, 21.2% for Case-III and 28% for Case-IV in presence of MFDV effects.","PeriodicalId":47161,"journal":{"name":"Journal of Nanofluids","volume":"54 1","pages":""},"PeriodicalIF":4.1,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139330449","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A Local Thermal Non-Equilibrium Approach to an Electromagnetic Hybrid Nanofluid Flow in a Non-Parallel Riga Plate Channel 非平行里加板通道中电磁混合纳米流体流动的局部热非平衡性方法

IF 4.1

Journal of Nanofluids Pub Date : 2023-10-01 DOI: 10.1166/jon.2023.2104

T. Sharma, Rakesh Kumar, Ali J. Chamkha

{"title":"A Local Thermal Non-Equilibrium Approach to an Electromagnetic Hybrid Nanofluid Flow in a Non-Parallel Riga Plate Channel","authors":"T. Sharma, Rakesh Kumar, Ali J. Chamkha","doi":"10.1166/jon.2023.2104","DOIUrl":"https://doi.org/10.1166/jon.2023.2104","url":null,"abstract":"The fluid flow in a non-parallel configuration exists in the electronic heat removal devices, microchannel heat sinks, and angled confusers/diffusers. The fluids in these applications are prone to flow separation and bifurcations. To deal with such type of problems, a novel idea of a converging or diverging type Riga plate channel is introduced in this study. The Riga plates are utilised to produce the cross-flow magnetic and electric fields which give rise to an exponentially decaying Lorentz force. Also, a porous matrix with variable permeability is considered to fill the Riga plate channel. The thermal equilibrium state between the hybrid nanofluid and porous media is ignored i.e., a local thermal non-equilibrium (LTNE) approach is adopted to model the energy balance equations. The dimension-free form of the guiding equations is tackled by using the Chebyshev pseudospectral quasi-linearization method. The heat transfer rate is respectively incremented by 21.42% and 63.12% in the converging and diverging flow regimes, with the inclusion of a Riga Sheet. The skin friction coefficient is depressed with modified Hartmann number (Ha*) and porosity (ε) for the converging/diverging flow regime. The LTNE state alters to the LTE with Nield number (Ni), thermal conductivity ratio (γ) and ε.","PeriodicalId":47161,"journal":{"name":"Journal of Nanofluids","volume":"68 1","pages":""},"PeriodicalIF":4.1,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139326422","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Partial Slip and Cross-Diffusion Effects on Magnetohydrodynamic Mixed Bioconvection Flow in a Channel with Chemical Reaction 部分滑移和交叉扩散对带有化学反应的通道中磁流体混合生物对流的影响

IF 4.1

Journal of Nanofluids Pub Date : 2023-10-01 DOI: 10.1166/jon.2023.2063

S. P. Geetha, S. Sivasankaran, M. Bhuvaneswari

引用次数: 0