Investigation of fluid flow and heat transfer of compressible flow in a constricted microchannel

Heydari, M.M.

doi:10.24200/sci.2016.3944

Cited by 2 publications

(2 citation statements)

References 30 publications

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“…Analytically, adiabatic, inviscid, and one-dimensional models of the water vapor ow with the potential for nucleation were studied. Heydari [12] conducted a numerical analysis of hydrodynamics and heat transport of air ow in a constrained microchannel. He considered the e ects of geometry, stagnation pressure, temperature, and applied heat ux at the walls.…”

Section: Introductionmentioning

confidence: 99%

Energy optimization of water based hybrid nanomaterials over a wedge-shaped channel

Sarfraz

Khan

2023

Scientia Iranica

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Convergent/divergent channels have real-world applications, including the production of bers, the manipulation of molten metal streams, and the industrial casting of metal. This article intends to discuss the ow and thermal transport of a mixture of nanoparticles, namely, copper and molybdenum oxide, in a base uid (water) over a wedge-shaped channel. The dissipation e ects are taken into account. To understand the thermophysical characteristics of the nanoparticles, the Yamada Ota model is selected. By using similarity transformations, the partial di erential equations are converted into ordinary di erential equations. The numerical solution is developed by applying the bvp4c built-in MATLAB. The impact of irreversibility e ects is also incorporated. Moreover, the outcomes for the wall stress parameter and Nusselt number are calculated as a function of pertinent parameters. It is noted that the momentum and energy of the system are reduced due to accretion in the nanoparticle volume fraction of copper for both hybrid nano uids and conventional nano uids. For both convergent and divergent channels, heat transport is an increasing function of Brinkman number. The numerical values of thermal transport are developed for a speci c range of Brinkman numbers and decreased for Reynolds numbers. The thermal transport is abridged for hybrid nano uids more, as compared to mono nano uids.

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Section: Introductionmentioning

confidence: 99%

Energy optimization of water based hybrid nanomaterials over a wedge-shaped channel

Sarfraz

Khan

2023

Scientia Iranica

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“…Khan [5] examined a series solution of visco-elastic uid ow over the shrinking/stretching surface with magnetic eld e ect. Furthermore, many researchers [6][7][8] focused their attention on such types of work to ll the gap.…”

Section: Introductionmentioning

confidence: 99%

Non-Fourier's and Fick's laws applications in the flow of temperature dependent thermal conductivity generalized Newtonian liquids: A 3D computational study

Ahmad

2018

Scientia Iranica

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KEYWORDS 3D Sisko liquid;Generalized heat ux and mass di usion relations; Temperaturedependent thermal conductivity.Abstract. The current article presents a numerical study for local solutions of Sisko liquid ow by a bidirectional stretched surface. In addition, the analysis of relaxation times for the heat and mass transfer mechanisms is conducted by utilizing modi ed heat ux and mass di usion models. These improved relations are the generalized form of Fourier and Fick's laws in which the time-space upper-convected derivative is employed to portray the heat conduction and mass di usion mechanisms. Appropriate transformations lead to a strongly nonlinear di erential system of equations that are then solved numerically by employing the applications of bvp4c package in Matlab software. Another numerical method, namely shooting technique, with RK45 Fehlberg and Newton-Raphson method is utilized to authenticate the results. Graphical illustrations demonstrating the impacts of sundry physical parameters with required discussion highlighting their physical e ects are also a part of this exploration. It is perceived that the temperature and concentration of Sisko liquid are the diminishing functions of relaxation times for the heat and mass transfer mechanisms. It is also fascinating to note that the temperature and concentration of Sisko liquid are higher in the classical form than that in the improved constitutive relation.

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Investigation of fluid flow and heat transfer of compressible flow in a constricted microchannel

Cited by 2 publications

References 30 publications

Energy optimization of water based hybrid nanomaterials over a wedge-shaped channel

Energy optimization of water based hybrid nanomaterials over a wedge-shaped channel

Non-Fourier's and Fick's laws applications in the flow of temperature dependent thermal conductivity generalized Newtonian liquids: A 3D computational study

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