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Prandtl number

Effect Of Prandtl Number On Magneto-convection In A Lid Driven Square Cavity With A Sinusoidal Vertical Wall

Effect Of Prandtl Number On Magneto-convection In A Lid Driven Square Cavity With A Sinusoidal Vertical Wall

... on Prandtl number and waviness. For lower values of Prandtl number thermal diffusivity dominates, this means that conduction dominates over ...of Prandtl number convection ...

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Circulation conservation and vortex breakup in magnetohydrodynamics at low magnetic Prandtl number

Circulation conservation and vortex breakup in magnetohydrodynamics at low magnetic Prandtl number

... One key issue (often conveniently overlooked) for the modelling of astrophysical stable layers is that both the ionised plasma of stellar interiors and the liquid iron of the Earth’s fluid outer core are fluids with ...

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Effect Of Prandtl Number On Heat Transfer In Flow Past A Heated Cylinder

Effect Of Prandtl Number On Heat Transfer In Flow Past A Heated Cylinder

... The flow past a cylinder and the associated dynamics presents a classical problem in engineering with a myriad of applications. Flow over circular cylinders have been ex-tensively studied in the past with [1 – 4] ...

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Dynamo action in rapidly rotating Rayleigh-Benard convection at infinite Prandtl number

Dynamo action in rapidly rotating Rayleigh-Benard convection at infinite Prandtl number

... infinite Prandtl number (the ratio of kinematic viscosity to thermal diffusivity); in this case, the inertia terms vanish, but fluctuating velocities are still permitted, driven by the nonlinearity in the ...

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Pattern variation at different Prandtl Number in Natural convective MHD flow past a low  heat  resistance sheet with internal heating: A Numerical Study

Pattern variation at different Prandtl Number in Natural convective MHD flow past a low heat resistance sheet with internal heating: A Numerical Study

... The variation of velocity and temperature profile with stream function is plotted for different value of Prandtl number (Pr) and with different value of Internal heating Q is 1 and 5 respectively. In entire ...

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Circulation conservation and vortex breakup in magnetohydrodynamics at low magnetic Prandtl number

Circulation conservation and vortex breakup in magnetohydrodynamics at low magnetic Prandtl number

... In this paper we examine the role of weak magnetic fields in breaking Kelvin’s circula- tion theorem and in vortex breakup in two-dimensional magnetohydrodynamics for the physically important case of a low magnetic ...

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Effects of the Reynolds Number and Prandtl Number on Flow and Temperature Field inside a Square Vented Enclosure having Heat Conducting Block M. U. Ahammad 1, M. M. K. Chowdhury2 , M. M. Rahman 3

Effects of the Reynolds Number and Prandtl Number on Flow and Temperature Field inside a Square Vented Enclosure having Heat Conducting Block M. U. Ahammad 1, M. M. K. Chowdhury2 , M. M. Rahman 3

... Nusselt number at the heated wall and bulk average fluid temperature in the cavity for different values of ...Reynolds number heat transfer rate at the bottom wall is about stationary with respect to Ri and ...

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Inertia-less convectively-driven dynamo models in the limit of low Rossby number and large Prandtl number

Inertia-less convectively-driven dynamo models in the limit of low Rossby number and large Prandtl number

... The Prandtl number, P r, characterizing compositional convection is significantly larger than unity, suggesting that the inertial force may not be important on the small scales of convection as long as the ...

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On the boundary-layer structure of high-Prandtl-number horizontal convection

On the boundary-layer structure of high-Prandtl-number horizontal convection

... infinite Prandtl number fluid in a two-dimensional rectangular cavity driven by differential heating of the upper ...Rayleigh number (R → ∞ ), the solution involves a horizontal boundary layer at the ...

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Chapter 10 LOW PRANDTL NUMBER THERMAL-HYDRAULICS*

Chapter 10 LOW PRANDTL NUMBER THERMAL-HYDRAULICS*

... A more theoretical approach offered the individual mixing length models already mentioned in the context of the analogies between heat and mass transfer. These analyses seek to account for the exchange of momentum and ...

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The Influence of Prandtl Number on Near-Wall Turbulent Heat Transfer

The Influence of Prandtl Number on Near-Wall Turbulent Heat Transfer

... the Prandtl numbers (see table ...the Prandtl number is less than 1, the smallest length scales of the temperature field are larger than the smallest length scales of the velocity ...

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DOUBLE-DIFFUSIVE NATURAL CONVECTION OF LOW PRANDTL NUMBER LIQUIDS WITH SORET AND DUFOUR EFFECTS

DOUBLE-DIFFUSIVE NATURAL CONVECTION OF LOW PRANDTL NUMBER LIQUIDS WITH SORET AND DUFOUR EFFECTS

... low Prandtl number liquids with Soret and Dufour effects inside the horizontal cavity is ...different Prandtl numbers are studied ...Rayleigh number increases for different Prandtl ...

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RETRACTED: Numerical Assessment of Prandtl Number Effect on Transient Heat Flux Distribution Imposed on Nuclear Reactor Pressure Vessel by Application of PECM in a Volumetrically Heated Molten Pool

RETRACTED: Numerical Assessment of Prandtl Number Effect on Transient Heat Flux Distribution Imposed on Nuclear Reactor Pressure Vessel by Application of PECM in a Volumetrically Heated Molten Pool

... fluid Prandtl number (Pr) on natural convection heat transfer in a volu- metrically heated molten ...Pr number on convective heat transfer characteristics in the melt ...Pr number as input for ...

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Theoretical Analysis of the Turbulent Prandtl Number by the Integral Transform Technique

Theoretical Analysis of the Turbulent Prandtl Number by the Integral Transform Technique

... turbulent Prandtl number as mains source of discrepancies between measured and calculated values for the Nusselt ...turbulent Prandtl number in internal forced convection in ...

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Effect of Non-uniform Convection on Entropy Generation and Enthalpy for the Laminar Developing Pipe Flow of a High Prandtl Number Fluid

Effect of Non-uniform Convection on Entropy Generation and Enthalpy for the Laminar Developing Pipe Flow of a High Prandtl Number Fluid

... Pipes are integral parts of industry. In different environments, various effects on the fluids within the pipe were exerted. Heat transfer coefficient and so, the special rate of entropy and enthalpy were entered to each ...

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Acoustic gravity waves in a viscous and thermally conducting isothermal atmosphere (part III: for arbitrary Prandtl number)

Acoustic gravity waves in a viscous and thermally conducting isothermal atmosphere (part III: for arbitrary Prandtl number)

... Moreover, the solution can be written as a linear combination of an upward and a downward propagating wave with equal wavelengths and equal damping factors On the other hand if Newtonian[r] ...

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Acoustic gravity waves in a viscous and thermally conducting isothermal atmosphere (part II: For small Prandtl number)

Acoustic gravity waves in a viscous and thermally conducting isothermal atmosphere (part II: For small Prandtl number)

... In the lower regmn the effect of thermal diffusvity and kinematic viscosity is negligible, the oscillatory process is a&abatic and for frequencies greater than the adiabatic cutoff frequ[r] ...

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Transient Natural Convection Flow on an Isothermal Vertical Wall at High Prandtl Numbers: Second-Order Approximation

Transient Natural Convection Flow on an Isothermal Vertical Wall at High Prandtl Numbers: Second-Order Approximation

... high Prandtl number fluid is sometimes used as a h eat sin k in elect r ical t ran sfo rmer ...h Prandtl number in these time-dependent ...

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Simulation of Supersonic Combustion Using Variable Turbulent Prandtl/Schmidt Numbers Formulation

Simulation of Supersonic Combustion Using Variable Turbulent Prandtl/Schmidt Numbers Formulation

... turbulent Prandtl and Schmidt numbers as part of the ...turbulent Prandtl and Schmidt numbers ...turbulent Prandtl number model using methods very similar to those used by Nagano ...Mach ...

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