Journal ArticleDOI
Two-phase simulation of non-Newtonian nanofluid natural convection in a circular annulus partially or completely filled with porous media
Majid Siavashi,Arthur Rostami +1 more
TLDR
In this article, the effect of partial or complete filling of the enclosure with porous media for various Rayleigh (Ra, Da and n parameters) and Darcy (Da, 10 −4 −10 −1 ), power-law index ( n, = 0.6-1.4), effective to base fluid thermal conductivity ratio (k eff /k f ǫ= 16, 4) and the porous layer thickness (R d ) are studied on heat transfer, entropy generation and the overall performance.About:
This article is published in International Journal of Mechanical Sciences.The article was published on 2017-11-01. It has received 86 citations till now. The article focuses on the topics: Nanofluid & Natural convection.read more
Citations
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Journal ArticleDOI
Recent advances in modeling and simulation of nanofluid flows-Part I: Fundamentals and theory
Omid Mahian,Omid Mahian,Omid Mahian,Lioua Kolsi,Mohammad Amani,Patrice Estellé,Goodarz Ahmadi,Clement Kleinstreuer,Jeffrey S. Marshall,Majid Siavashi,Robert A. Taylor,Hamid Niazmand,Somchai Wongwises,Somchai Wongwises,Tasawar Hayat,Tasawar Hayat,Arun V. Kolanjiyil,Alibakhsh Kasaeian,Ioan Pop +18 more
TL;DR: A review of the latest developments in modeling of nanofluid flows and heat transfer with an emphasis on 3D simulations can be found in this paper, where the main models used to calculate the thermophysical properties of Nanofluids are reviewed.
Journal ArticleDOI
Numerical study on mixed convection of a non-Newtonian nanofluid with porous media in a two lid-driven square cavity
Saeed Nazari,Rahmat Ellahi,Rahmat Ellahi,Mohammad Mohsen Sarafraz,Mohammad Reza Safaei,Ali Asgari,Omid Ali Akbari +6 more
TL;DR: In this article, mixed flow of the non-Newtonian water/Al2O3 nanofluid with 0-4% nanoparticles volume fractions (φ) inside a two-dimensional square cavity with hot and cold lid-driven motion and porous media is simulated at Richardson numbers (Ri) of 0.01, 10 and 100 and Darcy numbers (Da) of 10−4
Journal ArticleDOI
Numerical analysis of mixed convection of two-phase non-Newtonian nanofluid flow inside a partially porous square enclosure with a rotating cylinder
TL;DR: In this paper, the effect of angular velocity on heat transfer of non-Newtonian power-law nanofluid including CuO nanoparticles inside a partially porous square enclosure with a concentric rotating cylinder and a hot side wall is numerically investigated.
Journal ArticleDOI
Fe3O4–(CH2OH)2 nanofluid analysis in a porous medium under MHD radiative boundary layer and dusty fluid
TL;DR: In this paper, the effects of different parameters and dimensionless numbers on velocity and temperature distribution in two phases of fluid and dust for two prescribed surface temperature (PST) and prescribed heat flux (PHF) cases are investigated.
Journal ArticleDOI
Numerical simulation of hydrothermal features of Cu–H2O nanofluid natural convection within a porous annulus considering diverse configurations of heater
Abdul Sattar Dogonchi,M. K. Nayak,Nader Karimi,Ali J. Chamkha,Ali J. Chamkha,Davood Domiri Ganji +5 more
TL;DR: In this paper, the effects of shape factors of nanoparticles on natural convection in a fluid-saturated porous annulus developed between the elliptical cylinder and square enclosure were investigated.
References
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Journal ArticleDOI
Volume of fluid (VOF) method for the dynamics of free boundaries
C.W Hirt,B. D. Nichols +1 more
TL;DR: In this paper, the concept of a fractional volume of fluid (VOF) has been used to approximate free boundaries in finite-difference numerical simulations, which is shown to be more flexible and efficient than other methods for treating complicated free boundary configurations.
Book
Convection in Porous Media
Donald A. Nield,Adrian Bejan +1 more
TL;DR: In this paper, an introduction to convection in porous media assumes the reader is familiar with basic fluid mechanics and heat transfer, going on to cover insulation of buildings, energy storage and recovery, geothermal reservoirs, nuclear waste disposal, chemical reactor engineering and the storage of heat-generating materials like grain and coal.
Journal ArticleDOI
Review of convective heat transfer enhancement with nanofluids
TL;DR: In this paper, the authors summarized the important published articles on the enhancement of the forced convection heat transfer with nanofluids, including simulations, simulations, and experimental results.
Journal ArticleDOI
Empirical correlating equations for predicting the effective thermal conductivity and dynamic viscosity of nanofluids
TL;DR: In this article, two empirical correlations for predicting the effective thermal conductivity and dynamic viscosity of nanofluids, based on a high number of experimental data available in the literature, are proposed and discussed.