Laminar Free and Forced magnetoconvection through an Octagonal Channel with a Heat Generating Circular Cylinder

Nasrin, Rehena; Алим, М. А.

doi:10.3329/jname.v9i1.7891

Cited by 3 publications

(2 citation statements)

References 14 publications

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“…The finite element method is used to solve the Eqns. (2)(3)(4)(5). The continuity equation is automatically fulfilled for large values of this constraint.…”

Section: Numerical Implementationmentioning

confidence: 99%

MHD effect on conjugate heat transfer in a nanofluid filled rectangular enclosure

Zahan

Nasrin

Алим

2018

IPCSE

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In the present research a numerical solution has been carried out to investigate the problem of magnetohydrodynamics (MHD) conjugate natural convection flow in a rectangular enclosure filled with copper water nanofluid. The relevant governing equations have been solved numerically by using finite element method of Galerkin weighted residual approach. The investigation uses a two dimensional rectangular enclosure with heat conducting vertical wall and uniform heat flux. The effect of Hartmann number on the parameter Rayleigh number, divider position and solid volume fraction of nano particles on the flow and temperature fields are examined for the range of Hartmann number (Ha) of 0 to 60. Parametric studies of the fluid flow and heat transfer performance of the enclosure for the pertinent parameters have also been performed. The numerical results have been provided in graphical form of streamlines and isotherms for various dimensionless parameters. It is found that the heat transfer rate increases with an increase of Rayleigh number and divider position but it decreases with an increase of the Hartmann number. It is also obtained that an increase of the solid volume fraction enhances the heat transfer performance. Finally, the implications of the above parameters have been depicted on the average Nusselt number of the fluid.Citation: Zahan I, Nasrin R, Alim MA. MHD effect on conjugate heat transfer in a nanofluid filled rectangular enclosure. Int J Petrochem Sci Eng.Citation: Zahan I, Nasrin R, Alim MA. MHD effect on conjugate heat transfer in a nanofluid filled rectangular enclosure. Int J Petrochem Sci Eng.

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“…The finite element method is used to solve the Eqns. (2)(3)(4)(5). The continuity equation is automatically fulfilled for large values of this constraint.…”

Section: Numerical Implementationmentioning

confidence: 99%

MHD effect on conjugate heat transfer in a nanofluid filled rectangular enclosure

Zahan

Nasrin

Алим

2018

IPCSE

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“…To know the temperature (T sc , T out ) distribution of solar cell inside the PV module, the energy conservation equations play a very important role. The details in numerical technique are described in Nasrin and Alim 47 and are not repeated in this section. Figure 3 expresses the meshing of PVT system computational area.…”

Section: Numerical Techniquementioning

confidence: 99%

Effect of high irradiation on photovoltaic power and energy

2017

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Summary Solar photovoltaics (PV) is a promising solution to combat against energy crisis and environmental pollution. However, the high manufacturing cost of solar cells along with the huge area required for well‐sized PV power plants are the two major issues for the sustainable expansion of this technology. Concentrator technology is one of the solutions of the abovementioned problem. As concentrating the solar radiation over a single cell is now a proven technology, so attempt has been made in this article to extend this concept over PV module. High irradiation intensity from 1000 to 3000 W/m2 has been investigated to measure the power and energy of PV cell. The numerical simulation has been conducted using finite element technique. At 3000 W/m2 irradiation, the electrical power increases by about 190 W compared with 63 W at irradiation level of 1000 W/m2. At the same time, at 3000 W/m2 irradiation, the thermal energy increases by about 996 W compared with 362 W at 1000 W/m2 irradiation. Electrical power and thermal energy are enhanced by about 6.4 and 31.3 W, respectively, for each 100‐W/m2 increase of solar radiation. The overall energy is increased by about 179.06% with increasing irradiation level from 1000 to 3000 W/m2. It is concluded that the effect of high solar radiation using concentrator can significantly improve the overall output of the PV module.

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Effect of high irradiation and cooling on power, energy and performance of a PVT system

2018

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Laminar Free and Forced magnetoconvection through an Octagonal Channel with a Heat Generating Circular Cylinder

Abstract: Abstract:In

Cited by 3 publications

References 14 publications

MHD effect on conjugate heat transfer in a nanofluid filled rectangular enclosure

MHD effect on conjugate heat transfer in a nanofluid filled rectangular enclosure

Effect of high irradiation on photovoltaic power and energy

Effect of high irradiation and cooling on power, energy and performance of a PVT system

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