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Special Topics & Reviews in Porous Media-An International Journal最新文献

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Effects of Rotation and Magnetic Field on Thermosolutal Convection in Jeffrey Nanofluid with Porous Medium 旋转和磁场对多孔介质杰弗里纳米流体热溶质对流的影响
Special Topics & Reviews in Porous Media-An International Journal Pub Date : 2023-01-01 DOI: 10.1615/specialtopicsrevporousmedia.2023048400
Pushap Lata Sharma, ASHOK KUMAR
{"title":"Effects of Rotation and Magnetic Field on Thermosolutal Convection in Jeffrey Nanofluid with Porous Medium","authors":"Pushap Lata Sharma, ASHOK KUMAR","doi":"10.1615/specialtopicsrevporousmedia.2023048400","DOIUrl":"https://doi.org/10.1615/specialtopicsrevporousmedia.2023048400","url":null,"abstract":"This paper investigated the onset of convection in a horizontal layer of a porous material saturated with a viscoelastic nanofluid under the influence of rotation and magnetic field. The momentum equation in porous media was simulated using the Darcy model. The rheological behavior of viscoelastic nanofluids was described using a Jeffrey model-type constitutive equation. The viscoelastic nanofluid model contains Brownian motion and thermophoresis effects. The normal mode approach is used in a linear stability study, and the onset criteria for stationary and oscillatory convection are derived analytically. The effects of the Jeffrey parameter, solutal Rayleigh number, medium porosity, nanoparticle Rayleigh number, thermosolutal Lewis number, Chandrasekhar number, Taylor number, Dufour parameter and Soret parameter on the stability of the system were investigated. For various parameters, stationary and oscillatory convection regimes were calculated and analyzed in detail.","PeriodicalId":45135,"journal":{"name":"Special Topics & Reviews in Porous Media-An International Journal","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135056606","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
THERMAL INSTABILITY OF HYDRO-MAGNETIC JEFFREY NANOFLUIDS IN POROUS MEDIA WITH VARIABLE GRAVITY FOR: FREE-FREE, RIGID-RIGID AND RIGID-FREE BOUNDARIES 变重力多孔介质中水磁杰弗里纳米流体的热不稳定性:自由-自由、刚性-刚性和刚性-自由边界
Special Topics & Reviews in Porous Media-An International Journal Pub Date : 2023-01-01 DOI: 10.1615/specialtopicsrevporousmedia.2023048444
Deepak Bains, Pushap Lata Sharma
{"title":"THERMAL INSTABILITY OF HYDRO-MAGNETIC JEFFREY NANOFLUIDS IN POROUS MEDIA WITH VARIABLE GRAVITY FOR: FREE-FREE, RIGID-RIGID AND RIGID-FREE BOUNDARIES","authors":"Deepak Bains, Pushap Lata Sharma","doi":"10.1615/specialtopicsrevporousmedia.2023048444","DOIUrl":"https://doi.org/10.1615/specialtopicsrevporousmedia.2023048444","url":null,"abstract":"This article presents a numerical and graphical examination of thermal instability of hydro-magnetic Jeffrey nanofluids in porous media with variable gravity for: free-free, rigid-rigid and rigid-free boundaries by using Galerkin technique and normal mode analysis. The Darcy model is employed. Four different gravity variable parameters : exponential, parabolic and linear are taken and their effects on the Jeffrey parameter, magnetic field, moderated diffusivity ratio, porosity of porous media, Lewis number and nanoparticle Rayleigh number on stationary convection have been calculated numerically and graphically shown for all three boundary conditions namely free-free, rigid-rigid and rigid-free. The necessary conditions for frequencies of the oscillatory mode under all three boundaries have been calculated.","PeriodicalId":45135,"journal":{"name":"Special Topics & Reviews in Porous Media-An International Journal","volume":"2675 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136204732","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
Natural Convective MHD Mass Transfer Flow Past an Infinite Vertical Porous Plate Embedded in a Porous Medium with Thermal Diffusion and Chemical Reaction 自然对流MHD传质流通过嵌入在多孔介质中的无限垂直多孔板，具有热扩散和化学反应
IF 1.1
Special Topics & Reviews in Porous Media-An International Journal Pub Date : 2023-01-01 DOI: 10.1615/specialtopicsrevporousmedia.2023045885
D. Saikia, N. Ahmed, Rajdeep Bordoloi
{"title":"Natural Convective MHD Mass Transfer Flow Past an Infinite Vertical Porous Plate Embedded in a Porous Medium with Thermal Diffusion and Chemical Reaction","authors":"D. Saikia, N. Ahmed, Rajdeep Bordoloi","doi":"10.1615/specialtopicsrevporousmedia.2023045885","DOIUrl":"https://doi.org/10.1615/specialtopicsrevporousmedia.2023045885","url":null,"abstract":"","PeriodicalId":45135,"journal":{"name":"Special Topics & Reviews in Porous Media-An International Journal","volume":"13 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77266721","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: 3
Investigations on Open-Cell Metal Foam Filled Tubes for Heat Transfer Enhancement- A Discussion of Enhancement Mechanisms 开孔金属泡沫填充管强化传热研究——强化机理探讨
IF 1.1
Special Topics & Reviews in Porous Media-An International Journal Pub Date : 2023-01-01 DOI: 10.1615/specialtopicsrevporousmedia.2023045743
Aniket S. Dhavale, M. Lele
{"title":"Investigations on Open-Cell Metal Foam Filled Tubes for Heat Transfer Enhancement- A Discussion of Enhancement Mechanisms","authors":"Aniket S. Dhavale, M. Lele","doi":"10.1615/specialtopicsrevporousmedia.2023045743","DOIUrl":"https://doi.org/10.1615/specialtopicsrevporousmedia.2023045743","url":null,"abstract":"","PeriodicalId":45135,"journal":{"name":"Special Topics & Reviews in Porous Media-An International Journal","volume":"7 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85599015","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
Thermal instability in Walter-B nanoliquid filled in Hele-Shaw cell under 3-types of magnetic-field modulation with through-flow 三种通流磁场调制下Hele-Shaw电池中Walter-B纳米液体的热不稳定性
IF 1.1
Special Topics & Reviews in Porous Media-An International Journal Pub Date : 2023-01-01 DOI: 10.1615/specialtopicsrevporousmedia.2023047492
S. Rai, B. Bhadauria, Anurag Srivastava, Anish Kumar
{"title":"Thermal instability in Walter-B nanoliquid filled in Hele-Shaw cell under 3-types of magnetic-field modulation with through-flow","authors":"S. Rai, B. Bhadauria, Anurag Srivastava, Anish Kumar","doi":"10.1615/specialtopicsrevporousmedia.2023047492","DOIUrl":"https://doi.org/10.1615/specialtopicsrevporousmedia.2023047492","url":null,"abstract":"","PeriodicalId":45135,"journal":{"name":"Special Topics & Reviews in Porous Media-An International Journal","volume":"235 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73642609","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
Onset of Double-Diffusive Convection with a Kelvin-Voigt Fluid of variable order 变阶Kelvin-Voigt流体双扩散对流的开始
IF 1.1
Special Topics & Reviews in Porous Media-An International Journal Pub Date : 2023-01-01 DOI: 10.1615/specialtopicsrevporousmedia.2023048900
S. Haddad, Duaa Dhumd
{"title":"Onset of Double-Diffusive Convection with a Kelvin-Voigt Fluid of variable order","authors":"S. Haddad, Duaa Dhumd","doi":"10.1615/specialtopicsrevporousmedia.2023048900","DOIUrl":"https://doi.org/10.1615/specialtopicsrevporousmedia.2023048900","url":null,"abstract":"","PeriodicalId":45135,"journal":{"name":"Special Topics & Reviews in Porous Media-An International Journal","volume":"84 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77307879","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
Activation energy effect on MHD convective Maxwell nanofluid flow with Cattaneo-Christove heat flux over a porous stretching sheet 具有cattaneo - chri炉灶热流通量的MHD对流麦克斯韦纳米流体在多孔拉伸片上的活化能效应
Special Topics & Reviews in Porous Media-An International Journal Pub Date : 2023-01-01 DOI: 10.1615/specialtopicsrevporousmedia.2023050008
N Jyothi, VIJAYA KUMAR AVULA GOLLA
{"title":"Activation energy effect on MHD convective Maxwell nanofluid flow with Cattaneo-Christove heat flux over a porous stretching sheet","authors":"N Jyothi, VIJAYA KUMAR AVULA GOLLA","doi":"10.1615/specialtopicsrevporousmedia.2023050008","DOIUrl":"https://doi.org/10.1615/specialtopicsrevporousmedia.2023050008","url":null,"abstract":"The current article investigates the heat and mass transfer of convective MHD Maxwell nanofluid flow over a porous stretching sheet with Cattaneo-Christove heat flux. The influences of heat sources, radiation, and viscous dissipation are investigated. Also, the activation energy with binary chemical reaction and suction/injection are considered into the account. The dimensional governing equations are transmitted into non-dimensional form by similarity transformations. Further, the obtained mathematical model is solved numerically in MATLAB. The effect of physical parameters pertaining in flow regime are investigated through figures and tables. Fluid velocity enhances with the impact of magnetic field, porosity and suction parameters while the Brownian motion is significant with an improved values of heat generation and radiation, Fluid temperature declines with an upsurge values of thermal relaxation time. And Increasing thermophoresis and activation energy lead to an increase in the concentration whereas the opposite trend is seen for increasing chemical reaction. The Nussult number enhanced due to the larger values of thermal Grashof number, solutal Grashof number and Biot number whereas it declines with the escalating values of Brownian motion, thermophoresis and Eckert number. The comparison of the present results is carried out with the published results and noted a good agreement.","PeriodicalId":45135,"journal":{"name":"Special Topics & Reviews in Porous Media-An International Journal","volume":"293 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134981397","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
Impact of an Anisotropic Porous media on Thermo-bio-convection instability in presence of Gyrotactic microorganisms and heating from below 各向异性多孔介质对回旋式微生物存在和自下而上加热时热生物对流不稳定性的影响
Special Topics & Reviews in Porous Media-An International Journal Pub Date : 2023-01-01 DOI: 10.1615/specialtopicsrevporousmedia.2023048137
Arpan Garg, Y.D. Sharma, Subit K. Jain, Shivani Saini
{"title":"Impact of an Anisotropic Porous media on Thermo-bio-convection instability in presence of Gyrotactic microorganisms and heating from below","authors":"Arpan Garg, Y.D. Sharma, Subit K. Jain, Shivani Saini","doi":"10.1615/specialtopicsrevporousmedia.2023048137","DOIUrl":"https://doi.org/10.1615/specialtopicsrevporousmedia.2023048137","url":null,"abstract":"The onset of thermo-bio-convection in a horizontal fluid layer saturated by gyrotactic microorganisms into an anisotropic porous medium is examined. The modeling of the governing equations considers heating from below, Darcy flow, and Boussinesq approximations along with the presence of gyrotactic microorganisms. The system of ordinary differential equations is obtained using linear stability analysis and the normal mode technique. The single-term Galerkin method casts the analytical solutions while the higher-order Galerkin technique is employed to compute the numerical solutions. The influence of the mechanical and the thermal anisotropy parameters along with all bioconvection parameters on the onset of thermo-bio-convection are analytically as well as numerically discussed. It is perceived that bioconvection Rayleigh-Darcy number $Rb$, the gyrotactic number $G$, and P{'e}clet number $Q$ are to fast-forward the beginning of bioconvection motion. On the other hand, thermal anisotropy produces a stable system and acts to postpone the bio-convection pattern formulation. Mechanical anisotropy is found to have a destabilizing impact on the stability of the suspension and helps in the development of bio-convection. The measure of cell eccentricity parameter $alpha$ has a dual effect on system stability and stabilizes the system if $frac{delta^2_{c}}{pi^2}>1$.","PeriodicalId":45135,"journal":{"name":"Special Topics & Reviews in Porous Media-An International Journal","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135711019","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
Stability Analysis of Bioconvective Heat Transfer in a Suspension of Gyrotactic Microorganisms Under Vertical Vibration 垂直振动下回旋式微生物悬浮液生物对流换热稳定性分析
IF 1.1
Special Topics & Reviews in Porous Media-An International Journal Pub Date : 2023-01-01 DOI: 10.1615/specialtopicsrevporousmedia.2023046450
A. Kushwaha, Y. Sharma
{"title":"Stability Analysis of Bioconvective Heat Transfer in a Suspension of Gyrotactic Microorganisms Under Vertical Vibration","authors":"A. Kushwaha, Y. Sharma","doi":"10.1615/specialtopicsrevporousmedia.2023046450","DOIUrl":"https://doi.org/10.1615/specialtopicsrevporousmedia.2023046450","url":null,"abstract":"","PeriodicalId":45135,"journal":{"name":"Special Topics & Reviews in Porous Media-An International Journal","volume":"15 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75283746","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
VARIABLE THERMAL CONDUCTIVITY AND VISCOSITY EFFECTS ON THIN FILM FLOW OVER AN UNSTEADY POROUS STRETCHING SHEET 非定常多孔拉伸片上薄膜流动的变热导率和粘度效应
IF 1.1
Special Topics & Reviews in Porous Media-An International Journal Pub Date : 2023-01-01 DOI: 10.1615/specialtopicsrevporousmedia.v14.i2.60
G. Gomathy, B. R. Kumar
{"title":"VARIABLE THERMAL CONDUCTIVITY AND VISCOSITY EFFECTS ON THIN FILM FLOW OVER AN UNSTEADY POROUS STRETCHING SHEET","authors":"G. Gomathy, B. R. Kumar","doi":"10.1615/specialtopicsrevporousmedia.v14.i2.60","DOIUrl":"https://doi.org/10.1615/specialtopicsrevporousmedia.v14.i2.60","url":null,"abstract":"The aim of our current investigation is to examine, heat and mass transfer rates of thin liquid film, considering a permeable stretching sheet. In this study, we assume that the medium is porous, the sheet is unstable, and the flow is two-dimensional with nonlinear radiation, variable viscosity, and variable thermal conductivity. Similarity variables are used to convert partial differential equations (PDEs) into dimensionless ordinary differential equations (ODEs), which are solved numerically by Runge-Kutta-Fehlberg (RKF45) method along with shooting technique. MATLAB R2017a is used to illustrate the effects of unsteady, magnetic field, permeability, radiation, suction, temperature ratio, and chemical reaction parameter on velocity, temperature, and concentration profiles. Numerical values of physical quantities are provided in tabular form. The velocity profile tends to diminish as the permeability parameter increases. Our current results show great agreement with the previously reported investigations.","PeriodicalId":45135,"journal":{"name":"Special Topics & Reviews in Porous Media-An International Journal","volume":"2 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90921685","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: 1
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