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thermal convection

Thermal Convection of Non-Fourier Fluids

Thermal Convection of Non-Fourier Fluids

... natural convection, Tzou [26] carried out the linear thermal stability of Rayleigh- Benard convection using a two-phase system approach, incorporating the effects of Brownian motion and ...of ...

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Effect of Thermal Convection on Viscosity Measurement in Vibrational Viscometer

Effect of Thermal Convection on Viscosity Measurement in Vibrational Viscometer

... This paper describes the experimental study of viscosity measurement error in the vibrational type viscometer, which measures viscous damping of the oscillating circular plate in a fluid in continuously increasing ...

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Implementation and Validation of OpenFOAM for Thermal Convection of Airflow

Implementation and Validation of OpenFOAM for Thermal Convection of Airflow

... the thermal convection problem of ...the thermal convection of airflow by meaning of the temperature ...the convection oven especially the steady temperature distribution for the rubber ...

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Finite amplitude thermal convection with variable gravity

Finite amplitude thermal convection with variable gravity

... amplitude thermal convection is studied in a horizontal layer of infinite Prandtl number fluid with a variable ...of convection, while square patterns can become dominant for larger values of the ...

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CFD evaluation of thermal convection inside the DACON convection sensor in actual space flight

CFD evaluation of thermal convection inside the DACON convection sensor in actual space flight

... A CFD(Computational Fluid Dynamics) model has been developed using the commercial CFD package FLUENT for the thermal convection inside air filled cylindrical DACON sensor, where the onboard time dependent ...

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Influence of lattice thermal conductivity on thermal convection with strongly temperature dependent viscosity

Influence of lattice thermal conductivity on thermal convection with strongly temperature dependent viscosity

... semi-empirical thermal conductivity model based on solid- physics to account for the temperature- and pressure- dependent thermal conductivities of mantle ...of thermal convection with ...

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Thermal convection in slender laterally-heated cavities

Thermal convection in slender laterally-heated cavities

... Chapter 2 Thermal Convection Laterally Heated 2.1 in a Cavity Introduction In this chapter a numerical method for solving the cavity convection problem is flow heat the transfer across t[r] ...

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Thermal Convection of a Water-Based Nanofluid in an Enclosure with an Oscillating Wall

Thermal Convection of a Water-Based Nanofluid in an Enclosure with an Oscillating Wall

... driven by the periodic vibration of the enclosure left wall. We perform a parametric study in order to evaluate the effect of wall displacement amplitude, particle volume concentration, and wall temperature difference on ...

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Gyrostatic extensions of the Howard-Krishnamurti model of thermal convection with shear

Gyrostatic extensions of the Howard-Krishnamurti model of thermal convection with shear

... Moving beyond thermal convection, other hydrodynamic problems lend themselves to the coupled gyrostats ap- proach. For instance, a hierarchy of low-order models for the barotropic, quasigeostrophic ...

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Thermal convection in ice sheets: New data, new tests

Thermal convection in ice sheets: New data, new tests

... Thermal convection in the Antarctic Ice Sheet was proposed in ...underlying thermal convection rolls aligned in directions of advective ice ...if thermal convection remains ...

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New methodology for the walls design in buildings by numerical simulation of the thermal convection

New methodology for the walls design in buildings by numerical simulation of the thermal convection

... the thermal convection in the external wall of the house with different Rayleigh numbers [10 3 Ra 10 5 ...of convection for to optimize the design of walls in ...

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Thermal Convection in a (Kuvshiniski-type) Viscoelastic Rotating Fluid in the Presence of Magnetic Field through Porous Medium (TECHNICAL NOTE)

Thermal Convection in a (Kuvshiniski-type) Viscoelastic Rotating Fluid in the Presence of Magnetic Field through Porous Medium (TECHNICAL NOTE)

... the thermal convection as is evident from the Equation (24) along with Figure 5, Figure 6 and Figure 7 for the permissible range of values of various ...the thermal convection as is evident ...

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Studies In Small Scale Thermal Convection

Studies In Small Scale Thermal Convection

... where  and  are the gradient and Laplacian operators, respectively, and a subscript t denotes partial differentiation with respect to time. Here V is the velocity vector, P is the pressure, T is the temperature and Q ...

155

Thermal convection of viscoelastic fluid with biot boundary conduction

Thermal convection of viscoelastic fluid with biot boundary conduction

... natural convection of visco-elastic fluids are almost ...free convection in rectangular enclosures can be found in references (Shoney, 1988), (Gebhard ...

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Subcritical Thermal Convection of Liquid Metals in a Rapidly Rotating Sphere

Subcritical Thermal Convection of Liquid Metals in a Rapidly Rotating Sphere

... ) observed near the convection onset. It is thus not surprising that the zonal flow is not impor- tant for subcritical convection. Furthermore, outside the boundary layers and in the subcritical regime, the ...

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Vol 2, No 9 (2011)

Vol 2, No 9 (2011)

... the thermal convection instability of fluids is that there exist two different instability mechanism either exchange of stability of overstability ...

7

The influence of the thermal diffusivity of the lower boundary on eddy motion in convection

The influence of the thermal diffusivity of the lower boundary on eddy motion in convection

... turbulent thermal convection on the assumption that the eddy structure can be approximated by thin energetic vertical plumes (see figure 2) of hot fluid extending from the bottom plate right to the top, with ...

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A numerical investigation of the atmosphere-ocean thermal contrast over the coastal upwelling region of Cabo Frio, Brazil

A numerical investigation of the atmosphere-ocean thermal contrast over the coastal upwelling region of Cabo Frio, Brazil

... induces thermal convection intensifying the turbulence in the ...the thermal contrast between atmosphere and ocean ...the thermal contrast between atmosphere and ocean in both cases have the ...

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Thermal Field Analysis of Building Materials Type Building Integrated Photovoltaics (BIPV) Devices

Thermal Field Analysis of Building Materials Type Building Integrated Photovoltaics (BIPV) Devices

... conductivity, thermal convection and thermal radiation analysis of BIPV block is conduced here with practical theoretical model, which can provide very good simulation for thermal field ...

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Fem Analysis Of Fins With Varying Shapes And Material For Their Behaviour And Applications

Fem Analysis Of Fins With Varying Shapes And Material For Their Behaviour And Applications

... This work is selected as there is scope of continuous improvement in the field of fin design. Performance of find in the terms of heat transfer directly effects life and performance of engine. The problem of engine ...

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