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average Nusselt number

Numerical study of a confined slot impinging jet with nanofluids

Numerical study of a confined slot impinging jet with nanofluids

... Reynolds number and particle ...local Nusselt number profiles show the highest values at the stagnation point, and the lowest at the end of the heated ...The average Nusselt ...

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Natural Convection Heat Transfer in Cylindrical Enclosure of Porous Media with Periodic Boundary Conditions

Natural Convection Heat Transfer in Cylindrical Enclosure of Porous Media with Periodic Boundary Conditions

... period. Average Nusselt number was shown to be an increasing function of the amplitude, decreases with increased period of the wall temperature oscillation and increases little with increased Ra, and ...

8

NUMERICAL ANALYSIS OF NATURAL CONVECTION IN A RIGHT-ANGLE TRIANGULAR ENCLOSURE

NUMERICAL ANALYSIS OF NATURAL CONVECTION IN A RIGHT-ANGLE TRIANGULAR ENCLOSURE

... A numerical investigation has been performed for heat transfer analysis in a right-angled triangular enclosure filled with water. The side wall of the enclosure is maintained at high temperature compare to the base wall ...

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Numerical Study On Natural Convection In A Rectangular Cavity With Partially Active Side Walls

Numerical Study On Natural Convection In A Rectangular Cavity With Partially Active Side Walls

... the average Nusselt number of the discrete heaters tends to decrease with the increase of the modified Rayleigh ...the Nusselt number decreases rapidly with increasing aspect ratio and ...

9

Numerical Investigation of Heat Transfer of CuO Nanofluid Using Eulerian-Eulerian Two Phase Model

Numerical Investigation of Heat Transfer of CuO Nanofluid Using Eulerian-Eulerian Two Phase Model

... developed regions of a tube under constant heat flux. Results of the two-phase models have been compared with that of the best single-phase model and the collected experimental data. It is concluded that considering the ...

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SUCCESS OF SMALL ENTREPRENEURS - ROLE OF CRITICAL FACTORS

SUCCESS OF SMALL ENTREPRENEURS - ROLE OF CRITICAL FACTORS

... wise average nusselt number and average temperature of the working ...The average local heat flux also increases with increase in the angle of attach of the rectangular ...wise ...

7

Numerical Investigation of Nanofluid Mixed Convection and Entropy Generation in an Inclined Ventilating Cavity

Numerical Investigation of Nanofluid Mixed Convection and Entropy Generation in an Inclined Ventilating Cavity

... Entropy generation of nanofluid mixed convection within a square cavity with inlet and outlet ports has not been subject of any study yet. In this study a square cavity having a uniform flux heat source placed on the ...

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Slip Flow of Nanofluids between Parallel Plates Heated with a Constant Heat Flux

Slip Flow of Nanofluids between Parallel Plates Heated with a Constant Heat Flux

... limited number of studies in the literature investigating the effects of nanoparticle usage on flow and heat transfer in ...the average Nusselt number is considerably influenced by nanofluid ...

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Numerical Investigation of Magnetic Field Effects on Mixed Convection Flow in a Nanofluid-filled Lid-driven Cavity

Numerical Investigation of Magnetic Field Effects on Mixed Convection Flow in a Nanofluid-filled Lid-driven Cavity

... At higher Reynolds numbers, an increase of the solid particle volume fraction results in higher values of the average Nusselt number. This is due to the stronger forced convective flows especially at ...

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Numerical Investigation of Heat Transfer and Pressure Drop in a Corrugated Channel

Numerical Investigation of Heat Transfer and Pressure Drop in a Corrugated Channel

... the average Nusselt number and the friction factor when the RNG k - ε model is used and results are well approved with the experimental data ...

10

Natural convection heat transfer of nanofluids along a vertical plate embedded in porous medium

Natural convection heat transfer of nanofluids along a vertical plate embedded in porous medium

... the average value of the Nusselt number and aver- age value of skin friction coefficient at two consecutive time steps is less than 10 −5 ...the Nusselt number, skin friction ...

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Condensation Heat Transfer in Horizontal Non Circular Microchannels

Condensation Heat Transfer in Horizontal Non Circular Microchannels

... vapor mass fluxes ranging from 70 to 220 kg/m²s. It is found that the best predictions of the present average Nusselt number are obtained by the correlations of Dob- son et al. [22] and Koyama et al. ...

10

Free convection in a 3D chamber with local cooling and heating

Free convection in a 3D chamber with local cooling and heating

... the average Nusselt number for the variable angles of between zero and 360 degrees, Rayleigh numbers of between 10 and 10 5 and length to height ratios of between 1:10 and ...of average ...

12

Numerical investigating the gas slip flow in the microchannel heat sink using different materials

Numerical investigating the gas slip flow in the microchannel heat sink using different materials

... calculate Nusselt number. As it can be seen, with increasing Knudsen number from ...20, average Nusselt number ...Knudsen number from 0.024 to 0.048 that lead to ...

7

Mixed convection in lid driven cavity with inclined magnetic field

Mixed convection in lid driven cavity with inclined magnetic field

... Udhayakumar et al. (2016) investigated the effects of magnetohydrodynamic mixed convection over an isothermal circular cylinder in presence of an aligned magnetic field. Meanwhile, Hussain et al. (2016) studied on mixed ...

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Investigation of Discrete Heating At Upper Section of A Porous Annulus

Investigation of Discrete Heating At Upper Section of A Porous Annulus

... Heat transfer in porous medium is one of the important area of research from engineering and scientific point of view. The present research highlights the heat transfer characteristics in a vertical porous annulus having ...

7

Laminar Mixed Convection of Al2O3-Water Nanofluid in a Three-Dimensional Microchannel

Laminar Mixed Convection of Al2O3-Water Nanofluid in a Three-Dimensional Microchannel

... channel, average Nusselt number and the thermal resistance in different aspect ratios are ...then, average Nusselt number and the inlet and outlet thermal resistance decrease in ...

8

MHD Mixed Convection Flow in a Lid Driven Enclosure with a Sinusoidal Wavy Wall and a Heated Circular Body

MHD Mixed Convection Flow in a Lid Driven Enclosure with a Sinusoidal Wavy Wall and a Heated Circular Body

... uniform heating on both sidewalls. They found that the non- uniform heating on both walls provides higher heat transfer rate than non-uniform heating of one wall. They also observed that the heat transfer rate increases ...

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Numerical Study of Hydro-Magnetic Nanofluid Mixed Convection in a Square Lid-Driven Cavity Heated From Top and Cooled From Bottom

Numerical Study of Hydro-Magnetic Nanofluid Mixed Convection in a Square Lid-Driven Cavity Heated From Top and Cooled From Bottom

... of average Nusselt number is nonlinear with solid volume ...Reynolds number, the solid concentration affects on the flow pattern and thermal behavior particularly for a higher ...

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MATHEMATICAL MODELLING OF MHD DOUBLE – DIFFUSIVE NATURAL CONVECTION FLOW IN A SQUARE ENCLOSURE

MATHEMATICAL MODELLING OF MHD DOUBLE – DIFFUSIVE NATURAL CONVECTION FLOW IN A SQUARE ENCLOSURE

... Rayleigh number whereas the behavior of mid-section velocity along y-axis ...Hartmann number on mid-section velocity fields along x-axis and y-axis has been found to be the sinusoidal nature and decreasing ...

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