Entropy generation analysis for convective heat transfer of nanofluids in tree-shaped network flowing channels

Qiu, Susu; Xie, Zhihui; Chen, Lingen; Yang, Aibo; Zhou, Jingming

doi:10.1016/j.tsep.2018.02.008

Cited by 12 publications

(4 citation statements)

References 42 publications

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“…They noticed the decline in thermal field against higher Prandtl number. Qiu et al [ 17 ] studied the thermal transport in channel via finite volume technique. They also reported the analysis of entropy in their findings.…”

Section: Introductionmentioning

confidence: 99%

Significant Involvement of Double Diffusion Theories on Viscoelastic Fluid Comprising Variable Thermophysical Properties

et al. 2021

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This report examines the heat and mass transfer in three-dimensional second grade non-Newtonian fluid in the presence of a variable magnetic field. Heat transfer is presented with the involvement of thermal relaxation time and variable thermal conductivity. The generalized theory for mass flux with variable mass diffusion coefficient is considered in the transport of species. The conservation laws are modeled in simplified form via boundary layer theory which results as a system of coupled non-linear partial differential equations. Group similarity analysis is engaged for the conversion of derived conservation laws in the form of highly non-linear ordinary differential equations. The solution is obtained vial optimal homotopy procedure (OHP). The convergence of the scheme is shown through error analysis. The obtained solution is displayed through graphs and tables for different influential parameters.

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Section: Introductionmentioning

confidence: 99%

Significant Involvement of Double Diffusion Theories on Viscoelastic Fluid Comprising Variable Thermophysical Properties

et al. 2021

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“…They depicted that the entropy generation increases significantly for shear thickening fluids and entropy reduces with slip conditions. Some recent literature covering the entropy generation and magnetic field effects under different flow considerations are mentioned in [40][41][42][43][44].…”

Section: Introductionmentioning

confidence: 99%

On the onset of entropy generation for a nanofluid with thermal radiation and gyrotactic microorganisms through 3D flows

2020

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This work presents the entropy analysis of Maxwell nanofluid containing gyrotactic microorganism in the presence of homogeneous–heterogeneous reactions with modified heat and mass flux models. Modified models are presented by utilizing Cattaneo–Christov heat flux and generalized Fick’s law. Derived equations which shows the considered flow situation are modeled in the form of PDEs under boundary layer theory, then suitable transformation is applied to convert arising PDEs into a set of transformed ODEs which are then solved using a powerful scheme namely optimal homotopy analysis procedure. Special cases of some published work are found to be in excellent agreement of our work. The impact of physical parameters on velocity, temperature, concentration, reaction rate, concentration of motile microorganism, and entropy generation are discussed graphically. Finally, the convergence of applied scheme is presented in tabular form which confirms the efficiency of applied method. It is reported that entropy generation increases for higher values of radiation parameter and Brinkman number, whereas Bejan number is reduced for the higher values of radiation and magnetic parameters. Also, fluid temperature and concentration fields are reduced by augmenting the values of Prandtl and Schmidt numbers.

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“…Bornoff and Parry [9] proposed an additive design methodology based on constructal theory but applied to the design of a forced convection cooled heat sink. Recent studies apply constructal theory to other heat transfer problems such as convective heat transfer in nanofluid flow [10], microchannel network heat sinks [11], semi-elliptical morphing fins [12], etc.…”

Section: Introductionmentioning

confidence: 99%

Design and testing of topology optimized heat sinks for a tablet

Martínez-Maradiaga

Damonte

Manzo

et al. 2019

International Journal of Heat and Mass Transfer

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Entropy generation analysis for convective heat transfer of nanofluids in tree-shaped network flowing channels

Cited by 12 publications

References 42 publications

Significant Involvement of Double Diffusion Theories on Viscoelastic Fluid Comprising Variable Thermophysical Properties

Significant Involvement of Double Diffusion Theories on Viscoelastic Fluid Comprising Variable Thermophysical Properties

On the onset of entropy generation for a nanofluid with thermal radiation and gyrotactic microorganisms through 3D flows

Design and testing of topology optimized heat sinks for a tablet

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