Teach Second Law of Thermodynamics via Analysis of Flow through Packed Beds and Consolidated Porous Media

Pal, Rajinder

doi:10.3390/fluids4030116

Cited by 11 publications

(8 citation statements)

References 13 publications

(23 reference statements)

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“…The associated boundary conditions are listed as [18][19][20][21][22][23][24][25][26][27][28][29][30][31][32][33][34][35][36]…”

Section: Continuity Equationmentioning

confidence: 99%

“…Hence, the motion of a reactive Eyring-Powell nanoliquid over a an electromagnetic actuator in a non-porous medium was analyzed by Rasool and Zhang [20] while Fatunmbi and Adeosun [21] considered such a problem focusing on the nonlinear radiative flux with heat-mass transfer characteristics and exponential varying viscosity. Despite the applications of nanofluid in improving the characteristics of heat transfer, energy is lost to the ambient in a thermodynamic configuration owing to species reaction, fluid viscosity, mass diffusion and friction force that leads to entropy generation [22]. Due to the existence of the temperature gradient, irreversibility takes place in thermal processes that affect the performance of various thermal devices.…”

Section: Introductionmentioning

confidence: 99%

“…The thermodynamic second law offers a crucial role in the design and processes of engineering operations, for instance in heat pumps, fire engines, air conditioners, steam power plants and refrigeration works, Pal [22]. As a result, numerous researchers and scientists have analyzed entropy production optimization in Newtonian/non-Newtonian fluids transport subject to various configurations/geometries, boundary conditions and methods.…”

Section: Introductionmentioning

confidence: 99%

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Irreversibility Analysis for Eyring–Powell Nanoliquid Flow Past Magnetized Riga Device with Nonlinear Thermal Radiation

Fatunmbi

Adeosun

Salawu

2021

Fluids

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The report contained in this article is based on entropy generation for a reactive Eyring–Powell nanoliquid transfer past a porous vertical Riga device. In the developed model, the impacts of viscous dissipation, thermophoresis alongside nonlinear heat radiation and varying heat conductivity are modelled into the heat equation. The dimensionless transport equations are analytically tackled via Homotopy analysis method while the computational values of chosen parameters are compared with the Galerkin weighted residual method. Graphical information of the various parameters that emerged from the model are obtained and deliberated effectively. The consequences of this study are that the temperature field expands with thermophoresis, Brownian motion and temperature ratio parameters as the modified Hartmann number compels a rise in the velocity profile. The entropy generation rises with an uplift in fluid material term as well as Biot and Eckert numbers whereas Bejan number lessens with Darcy and Eckert parameters.

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“…The associated boundary conditions are listed as [18][19][20][21][22][23][24][25][26][27][28][29][30][31][32][33][34][35][36]…”

Section: Continuity Equationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Irreversibility Analysis for Eyring–Powell Nanoliquid Flow Past Magnetized Riga Device with Nonlinear Thermal Radiation

Fatunmbi

Adeosun

Salawu

2021

Fluids

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“…The article by Kariotoglou and Psillos [8] is a synthesis of previous research upon high school and undergraduate students on the teaching of concepts such as pressure in fluids. The two papers by Pal [9,10] are focused on fundamental ideas in thermomechanics; the papers discuss the ways in which important thermodynamic ideas can be introduced and elucidated in a fluid dynamics course through examples such as flow in pipes and flow through packed beds. Vianna et al [11] take up the concept of permeability in porous media flow and discusses new computational concepts that can help convey such complex concepts.…”

mentioning

confidence: 99%

Teaching and Learning of Fluid Mechanics

Vaidya

2020

Fluids

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mentioning

confidence: 99%

Teaching and Learning of Fluid Mechanics

2020

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Fluid mechanics is arguably one of the oldest branches of physics, and the literature on this subject is vast and complex. However, this subject has not sufficiently captured the interest of STEM educators like in other subjects such as quantum mechanics [1,2]. The objective of this collection, while not necessarily intended to generate education research, aims at bringing together various ways of teaching and learning about different topics in fluid mechanics.Fluid mechanics occupies a privileged position in the sciences; it is taught in various science departments including physics, mathematics, environmental sciences and mechanical, chemical and civil engineering, with each highlighting a different aspect or interpretation of the foundation and applications of fluids. While scholarship in fluid mechanics is vast, expanding into the areas of experimental, theoretical and computational, there is little discussion among scientists about the different possible ways of teaching this subject or wide awareness of the how fluid mechanics plays a role in different disciplines. We believe there is much to be learned from an interdisciplinary dialogue about fluids for teachers and students alike.The terms 'interdisciplinary', 'multidisciplinary' and 'transdisciplinary' have become common parlance in academia, but have been misunderstood and used without distinction [3]. Multidisciplinary teaching refers to diverse parallel viewpoints, with different goals and objectives being presented in the same setting while interdisciplinary or transdiscplinary refer to instances where goals overlap or unify completely [4]. In the context of education, inter-or transdisciplinary instruction allows students get to see the commonalities between different disciplines, thereby allowing students to make new meanings out of old ideas [5]. The education theorist, William Doll [5], articulates this idea very well: "Order emerges from interactions having just the 'right amount' of tension or difference or imbalance among the elements interacting." In a recent paper on education, my co-authors and I have argued that the synergy between different disciplines can result in the emergence of order, which we argue is nothing but creativity [6]. Doll's fluid analogy [5] for this idea is especially relevant to this issue: "Emergence of creativity from complex flow of knowledge-example of Benard convection pattern as an analogy-dissipation or dispersal of knowledge (complex knowledge) results in emergent structures, i.e., creativity which in the context of education should be thought of as a unique way to arrange information so as to make new meaning of old ideas."With this philosophy in mind, we have included all kinds of articles in this issue, including research on the pedagogical aspects of fluid mechanics, case studies or lesson plans at the undergraduate or graduate levels, articles on historical aspects of fluids, and novel and interesting experiments or theoretical calculations that can convey complex ideas in creative ways. The current volume...

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Teach Second Law of Thermodynamics via Analysis of Flow through Packed Beds and Consolidated Porous Media

Cited by 11 publications

References 13 publications

Irreversibility Analysis for Eyring–Powell Nanoliquid Flow Past Magnetized Riga Device with Nonlinear Thermal Radiation

Irreversibility Analysis for Eyring–Powell Nanoliquid Flow Past Magnetized Riga Device with Nonlinear Thermal Radiation

Teaching and Learning of Fluid Mechanics

Teaching and Learning of Fluid Mechanics

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