Entropy generation of nanofluid and hybrid nanofluid flow in thermal systems: A review

Huminic, Gabriela; Huminic, Angel

doi:10.1016/j.molliq.2020.112533

Cited by 226 publications

(60 citation statements)

References 84 publications

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“…Moreover, dual solutions of hybrid nanofluid flow were examined by Waini et al [34][35][36][37][38][39]. Other physical aspects have been considered by several authors [40][41][42][43][44][45][46][47][48][49] and review papers are also available [50][51][52][53][54][55].…”

Section: Introductionmentioning

confidence: 99%

Hybrid Nanofluid Flow over a Permeable Non-Isothermal Shrinking Surface

2021

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In this paper, we examine the influence of hybrid nanoparticles on flow and heat transfer over a permeable non-isothermal shrinking surface and we also consider the radiation and the magnetohydrodynamic (MHD) effects. A hybrid nanofluid consists of copper (Cu) and alumina (Al2O3) nanoparticles which are added into water to form Cu-Al2O3/water. The similarity equations are obtained using a similarity transformation and numerical results are obtained via bvp4c in MATLAB. The results show that dual solutions are dependent on the suction strength of the shrinking surface; in addition, the heat transfer rate is intensified with an increase in the magnetic parameter and the hybrid nanoparticles volume fractions for higher values of the radiation parameter. Furthermore, the heat transfer rate is higher for isothermal surfaces as compared with non-isothermal surfaces. Further analysis proves that the first solution is physically reliable and stable.

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Section: Introductionmentioning

confidence: 99%

Hybrid Nanofluid Flow over a Permeable Non-Isothermal Shrinking Surface

2021

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“…Nagoor et al 32 numerically explicated the influence of various physical constraints on velocity and temperature fields for Darcy-Forchheimer hybrid nanofluid in rotating frame by using Lobatto IIIA method. Huminic et al 33 , 34 discussed heat transfer rate and entropy generation between ordinary and hybrid nanofluid in different physical situations. Saba et al 35 numerically explored the phenomena of heat transfer for a hybrid nanofluid in an irregular channel with permeable walls.…”

Section: Introductionmentioning

confidence: 99%

Numerical investigation for rotating flow of MHD hybrid nanofluid with thermal radiation over a stretching sheet

Shoaib

Raja

Sabir

et al. 2020

Sci Rep

164

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This research investigates the heat and mass transfer in 3-D MHD radiative flow of water based hybrid nanofluid over an extending sheet by employing the strength of numerical computing based Lobatto IIIA method. Nanoparticles of aluminum oxide (Al2O3) and silver (Ag) are being used with water (H2O) as base fluid. By considering the heat transfer phenomenon due to thermal radiation effects. The physical flow problem is then modeled into set of PDEs, which are then transmuted into equivalent set of nonlinear ODEs by utilizing the appropriate similarity transformations. The system of ODEs is solved by the computational strength of Lobatto IIIA method to get the various graphical and numerical results for analyzing the impact of various physical constraints on velocity and thermal profiles. Additionally, the heat transfers and skin friction analysis for the fluid flow dynamics is also investigated. The relative errors up to the accuracy level of 1e-15, established the worth and reliability of the computational technique. It is observed that heat transfer rate increases with the increase in magnetic effect, Biot number and rotation parameter.

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“…Recent advancements in flow mechanisms of nanofluid and hybrid nanofluid with various flow assumptions are listed in literature. 1–15…”

Section: Introductionmentioning

confidence: 99%

RETRACTED: Entropy optimized magnetohydrodynamics Darcy–Forchheimer second order velocity slip flow of nanomaterials between two stretchable disks

Khan

Alzahrani

2020

Proceedings of the Institution of Mechanical Engineers, Part C:

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Here magnetohydrodynamics Darcy–Forchheimer second order velocity slip flow of nanomaterials is discussed between two stretchable surfaces of rotating disks, where the both disks are rotating with altered angular frequencies and rates. Flow in permeable medium is designated by implementing Darcy–Forchheimer relation. The energy expression is discussed and modeled subject to various effects like dissipation, Ohmic heating (Joule heating), and heat source/sink. Two different types of nanoparticles, i.e. graphene oxide (GO) and titanium dioxide (TiO2), are utilized and H2O as a base fluid. Total entropy rate which depends on five different types of irreversibilities (i.e., heat, mass fluid friction, Ohmic heating and Darcy–Forchheimer or porosity) is calculated via thermodynamics law (second). Furthermore, binary chemical reaction is accounted for the analysis of mass with activation energy. Numerical solutions are found out with the help of shooting method. Behaviors of flow variables on the skin friction coefficients, velocity field, Nusselt numbers, temperature distribution, entropy generation, concentration, and Bejan number are plotted graphically and discussed. The results are compared with previous literature and found good agreement with them. Our obtained results illustrate that the entropy rate is more subject to rising Brinkman number.

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Entropy generation of nanofluid and hybrid nanofluid flow in thermal systems: A review

Cited by 226 publications

References 84 publications

Hybrid Nanofluid Flow over a Permeable Non-Isothermal Shrinking Surface

Hybrid Nanofluid Flow over a Permeable Non-Isothermal Shrinking Surface

Numerical investigation for rotating flow of MHD hybrid nanofluid with thermal radiation over a stretching sheet

RETRACTED: Entropy optimized magnetohydrodynamics Darcy–Forchheimer second order velocity slip flow of nanomaterials between two stretchable disks

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