Recent Trends in Nanofluids

A special issue of Inventions (ISSN 2411-5134). This special issue belongs to the section "Inventions and Innovation in Energy and Thermal/Fluidic Science".

Deadline for manuscript submissions: closed (30 April 2020) | Viewed by 31831

Special Issue Editors


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Guest Editor
College of Mathematics and Systems Science, Shandong University of Science and Technology, Qingdao 266590, Shandong, China
Interests: nanofluids; heat and mass transfer; fluid-structure interaction; hydroelasticity
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Guest Editor
Department of Mechanical Engineering, Babol Noshirvani University of Technology, Babol 47148-71167, Iran
Interests: nanofluid; CFD simulation; mesoscopic modelling; nonlinear science; magnetohydrodynamics; ferrohydrodynamics; electrohydrodynamics; heat exchangers
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue invites you to contribute your original research work and review articles on “Nanofluids”, which are either advances of state-of-the-art mathematical methods, theoretical or experimental studies or which extend the bounds of existing methodologies to new contributions to address current challenges. We hope that this issue will provide up-to-date findings to the readers and scientific community for application to the benefit of the industrial sector.

Potential topics include but are not limited to:

  • Nanofluids
  • Particle shape effects
  • Convective heat and mass transfer
  • Steady and unsteady flow problems
  • Multiphase flow simulations
  • Thermodynamics
  • Physiological fluid phenomena in biological systems
  • Numerical and analytical simulations

Dr. M. M. Bhatti
Dr. M. Sheikholeslami
Guest Editors

Manuscript Submission Information

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Keywords

  • Heat and mass transfer
  • Nanofluids
  • Nonlinear waves
  • Hemodynamic flow
  • Thermodynamics
  • Numerical and analytical methods

Published Papers (6 papers)

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Research

22 pages, 4563 KiB  
Article
Study of Two-Phase Newtonian Nanofluid Flow Hybrid with Hafnium Particles under the Effects of Slip
by Rahmat Ellahi, Farooq Hussain, Syed Asad Abbas, Mohammad Mohsen Sarafraz, Marjan Goodarzi and Mostafa Safdari Shadloo
Inventions 2020, 5(1), 6; https://doi.org/10.3390/inventions5010006 - 20 Jan 2020
Cited by 91 | Viewed by 5801
Abstract
This paper investigates the role of slip in a two-phase flow of Newtonian fluid. The nano-size Hafnium particles are used in the base fluid. The fluid under consideration is studied for two cases namely (i) fluid phase (ii) phase of particles. Both cases [...] Read more.
This paper investigates the role of slip in a two-phase flow of Newtonian fluid. The nano-size Hafnium particles are used in the base fluid. The fluid under consideration is studied for two cases namely (i) fluid phase (ii) phase of particles. Both cases are examined for three types of geometries. The governing equations are simplified in nondimensional form for each phase along with boundary conditions. The resulting equations have been analytically solved to get exact solutions for both fluid and particle phases. Different features of significant physical factors are discussed graphically. The flow patterns have been examined through streamlines. Full article
(This article belongs to the Special Issue Recent Trends in Nanofluids)
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16 pages, 9655 KiB  
Article
Peristaltic Propulsion of Jeffrey Nanofluid with Thermal Radiation and Chemical Reaction Effects
by Munawwar Ali Abbas, Muhammad Mubashir Bhatti and Mohsen Sheikholeslami
Inventions 2019, 4(4), 68; https://doi.org/10.3390/inventions4040068 - 27 Nov 2019
Cited by 19 | Viewed by 4645
Abstract
In this article, we have studied non-uniform hemodynamic nanofluid flow in the presence of an external magnetic field. The fluid contains magnetized nanoparticles in the presence of thermal radiation and chemical reaction. The magnetic field plays an essential role in targeting drugs by [...] Read more.
In this article, we have studied non-uniform hemodynamic nanofluid flow in the presence of an external magnetic field. The fluid contains magnetized nanoparticles in the presence of thermal radiation and chemical reaction. The magnetic field plays an essential role in targeting drugs by magnetic nanoparticles (“ferrofluids”) for different kinds of diseases in a human body. The Jeffrey viscoelastic model is employed to simulate non-Newtonian characteristics. With an approximation of long wavelength and minimal Reynolds number, a mathematical formulation has been performed. Numerical and analytical simulation has been used to examine the role of all the emerging parameters. Individual cases for the Newtonian fluid, non-Newtonian, nanofluid, and base fluid, have been exhibited numerically. A magnificent graphical correlation is additionally given with recently obtained outcomes to show the validity of the present findings and methodology. Full article
(This article belongs to the Special Issue Recent Trends in Nanofluids)
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14 pages, 3910 KiB  
Article
Investigation of Mixed Convection in a Cylindrical Lid Driven Cavity Filled with Water-Cu Nanofluid
by Amirreza Niazmand, Jalal Fathi Sola, Farhad Alinejad and Foad Rahimi Dehgolan
Inventions 2019, 4(4), 60; https://doi.org/10.3390/inventions4040060 - 2 Oct 2019
Cited by 16 | Viewed by 4951
Abstract
The present numerical research studies the effect of nano-materials in a lid-driven cylindrical cavity with rotation of circumferential top wall. The heat is transferred from two lateral walls to the domain by constant temperature conditions while other walls are kept isolated. The non-dimensional [...] Read more.
The present numerical research studies the effect of nano-materials in a lid-driven cylindrical cavity with rotation of circumferential top wall. The heat is transferred from two lateral walls to the domain by constant temperature conditions while other walls are kept isolated. The non-dimensional equations are solved by Finite Volume Method (FVM) and SIMPLEC method. The effect of Reynolds (Re = 100, 400, 1000), Ryleigh (Ra = 104, 105, 106) numbers are studied. In addition, the effect of concentration of nano materials ( ϕ = 0%, 1%, 5%), the Height Ratio (HR = 1, 0.5, 2) on Nusselt number, isotherm lines and streamlines are studied. The results show that Reynolds number also can change the effect of nano particles on the heat transfer rate. It is observed that the height ratio increase can improve the Nusselt number since the number and the size of vortices inside the cavity changes. In addition, increase of Ra number can change the flow structure inside the cavity which can help in increasing of Nusselt number. Full article
(This article belongs to the Special Issue Recent Trends in Nanofluids)
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27 pages, 9518 KiB  
Article
Homotopy Semi-Numerical Modeling of Non-Newtonian Nanofluid Transport External to Multiple Geometries Using a Revised Buongiorno Model
by Atul Kumar Ray, Buddakkagari Vasu, O. Anwar Bég, Rama S.R. Gorla and P.V.S.N. Murthy
Inventions 2019, 4(4), 54; https://doi.org/10.3390/inventions4040054 - 25 Sep 2019
Cited by 28 | Viewed by 5243
Abstract
A semi-analytical solution for the convection of a power-law nanofluid external to three different geometries (i.e., cone, wedge and plate), subject to convective boundary condition is presented. A revised Buongiorno model is employed for the nanofluid transport over the various geometries with variable [...] Read more.
A semi-analytical solution for the convection of a power-law nanofluid external to three different geometries (i.e., cone, wedge and plate), subject to convective boundary condition is presented. A revised Buongiorno model is employed for the nanofluid transport over the various geometries with variable wall temperature and nanoparticle concentration conditions (non-isothermal and non-iso-solutal). Wall transpiration is included. The dimensional governing equations comprising the conservation of mass, momentum, energy and nanoparticle volume fraction are transformed to dimensionless form using appropriate transformations. The transformed equations are solved using a robust semi-analytical power series method known as the Homotopy analysis method (HAM). The convergence and validation of the series solutions is considered in detail. The variation of order of the approximation and computational time with respect to residual errors for temperature for the different geometries is also elaborated. The influence of thermophysical parameters such as wall temperature parameter, wall concentration parameter for nanofluid, Biot number, thermophoresis parameter, Brownian motion parameter and suction/blowing parameter on the velocity, temperature and nanoparticle volume fraction is visualized graphically and tabulated. The impact of these parameters on the engineering design functions, e.g., coefficient of skin fraction factor, Nusselt number and Sherwood number is also shown in tabular form. The outcomes are compared with the existing results from the literature to validate the study. It is found that thermal and solute Grashof numbers both significantly enhance the flow velocity whereas they suppress the temperature and nanoparticle volume fraction for the three different configurations, i.e., cone, wedge and plate. Furthermore, the thermal and concentration boundary layers are more dramatically modified for the wedge case, as compared to the plate and cone. This study has substantial applications in polymer engineering coating processes, fiber technology and nanoscale materials processing systems. Full article
(This article belongs to the Special Issue Recent Trends in Nanofluids)
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11 pages, 4309 KiB  
Article
Unsteady Viscous Incompressible Bingham Fluid Flow through a Parallel Plate
by Muhammad Minarul Islam, Md. Tusher Mollah, Sheela Khatun, Mohammad Ferdows and Md. Mahmud Alam
Inventions 2019, 4(3), 51; https://doi.org/10.3390/inventions4030051 - 27 Aug 2019
Cited by 5 | Viewed by 5434
Abstract
Numerical investigation for unsteady, viscous, incompressible Bingham fluid flow through parallel plates is studied. The upper plate drifts with a constant uniform velocity and the lower plate is stationary. Both plates are studied at different fixed temperatures. To obtain the dimensionless equations, the [...] Read more.
Numerical investigation for unsteady, viscous, incompressible Bingham fluid flow through parallel plates is studied. The upper plate drifts with a constant uniform velocity and the lower plate is stationary. Both plates are studied at different fixed temperatures. To obtain the dimensionless equations, the governing equations for this study have been transformed by usual transformations. The obtained dimensionless equations are solved numerically using the explicit finite difference method (FDM). The studio developer Fortran (SDF) 6.6a and MATLAB R2015a are both used for numerical simulations. The stability criteria have been established and the system is converged for Prandtl number P r 0.08 with Δ Y = 0.05 and Δ τ = 0.0001 as constants. As a key outcome, the steady-state solutions have been occurred for the dimensionless time τ   =   4.00 The influence of parameters on the flow phenomena and on shear stress, including Nusselt number, are explained graphically. Finally, qualitative and quantitative comparison are shown. Full article
(This article belongs to the Special Issue Recent Trends in Nanofluids)
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11 pages, 2251 KiB  
Article
Statistical Analysis of the Mathematical Model of Entropy Generation of Magnetized Nanofluid
by Munawwar Ali Abbas and Ibrahim Hussain
Inventions 2019, 4(2), 32; https://doi.org/10.3390/inventions4020032 - 21 Jun 2019
Cited by 6 | Viewed by 5054
Abstract
This investigation introduces a mathematical model of entropy generation for Magnetohydrodynamic (MHD) peristaltic wave of nanofluid. The governing equations have been created by the supposition of low Reynolds number and long wavelength estimation. The scientific arrangement has been procured with the help of [...] Read more.
This investigation introduces a mathematical model of entropy generation for Magnetohydrodynamic (MHD) peristaltic wave of nanofluid. The governing equations have been created by the supposition of low Reynolds number and long wavelength estimation. The scientific arrangement has been procured with the help of perturbation technique. The concentration profile, temperature profile, pressure distribution and friction forces are shown graphically for some important parameters. Further, the eventual outcomes of connection between the entropy generation and some various parameters have been plotted by means of correlation and regression. It is fundamental to find the affectability of each parameter on entropy generation. Full article
(This article belongs to the Special Issue Recent Trends in Nanofluids)
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