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External Natural Convection [PDF]
, 1992 Numerical calculation from the full differential equations for convection in an unbounded region is expensive, and hence approximate solutions are important. For small values of the Rayleigh number Ra, perturbation methods are appropriate. At large values of Ra thermal boundary layers are formed, and boundary layer theory is the obvious method of ...
Donald A. Nield, Adrian Bejan
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Natural convection of a viscoelastic fluid [PDF]
Rheologica Acta, 1982 The influence of elasticity and shear thinning viscosity on the temperature distribution and heat transfer in natural thermal convection is discussed. The numerical investigations are based on a four-parameter Oldroyd constitutive equation, which represents the typical fluid response of dilute solutions and melts.
K.-J. Röpke, P. Schümmer
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Natural Convection in Nanofluids [PDF]
, 2021 The natural convection is ubiquitous in nature, and technology and abundant of experimental and numerical studies have been conducted to investigate the fascinating characteristics of the phenomena. The natural convection has the wide range of application in almost every field of technologies such as solar energy, electronics cooling and nuclear energy.
Aditya Kumar, Sudhakar Subudhi
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NATURAL CONVECTION IN A SEMIELLIPTIC CAVITY
Numerical Heat Transfer, 1987Natural convective steady-state motion inside a bidimensional semielliptic cavity is investigated numerically by means of a finite-element algorithm. The ceiling of the cavity is kept at a known temperature with a sinusoidal spatial distribution and the floor is assumed thermally insulated.
Ernesto Martín del Campo +2 more
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On the convective nature of bar instability
Journal of Fluid Mechanics, 2003Bar instability is recognized as the fundamental mechanism underlying the formation of large-scale forms of rivers. We show that the nature of such instability is convective rather than absolute. Such a result is obtained by revisiting the linear stability analysis of open-channel uniform flow over a cohesionless channel of Colombini et al.
FEDERICI, BIANCA, SEMINARA, GIOVANNI
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Natural Convection with Dissipative Heating
Communications in Mathematical Physics, 2000zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Kagei, Yoshiyuki +2 more
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Parallel computation for natural convection
Concurrency: Practice and Experience, 1997Summary: Parallel computation for two-dimensional convective flows in cavities with adiabatic horizontal boundaries and driven by differential heating of two vertical end walls are investigated using the Intel Paragon, Intel Touchstone Delta, Cray T3D and IBM SP2.
Robert Ferraro, P. Wang
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Natural Convection in Enclosures
Journal of Heat Transfer, 1972There exists a great diversity of buoyancy flows in enclosures that are of interest in science and technology. These buoyancy flows pose new and challenging physical and mathematical problems. Emphasis is given to the complexities of the phenomena, viz., the coupling of the flow and transport and of the boundary-layer and core flows, the interaction ...
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Natural Convection at Microelectrodes
Analytical Chemistry, 1995Abstract : Steady-state voltammetric currents for Fe(CN)6(-4) oxidation and Fe(CN)6(-3) reduction in 0.2 M KCl solutions are shown to be a function of the orientation of Au and Pt rnicrodisk electrodes (radius = 6.4 to 25 micrometers) with respect to the gravitational field.
Jeonghee Lee +2 more
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