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Numerical Study Of Turbulent Thermal-Hydraulic Performance Of Al2o3-Water Nanofluid In Channel With Triangular Baffles

    Mohammed Abed Ahmed a

Anbar Journal of Engineering Sciences, 2016, Volume 7, Issue 1, Pages 9-20
10.37649/aengs.2016.124361

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Abstract

In this paper, turbulent forced convection of nanofluid flow in channel with isoscelestriangular
baffles is numerically investigated over Reynolds number ranges of 5000-10000.
One baffle mounted on the bottom wall of channel and another mounted on the top wall.
Al2O3-water nanofluid with nanoparticles volume fraction of 4% and nanoparticles diameters
of 25 nm is used. The governing continuity, momentum and energy equations as well as the
low Reynolds number k-ε model of Launder and Sharma have been solved using finite
volume method. The effect of baffle height, baffle distance as well as Reynolds number on
the flow and thermal characteristics have been presented and discussed. It is found that the
enhancement ratio of the average Nusselt number as well as the fraction factor increase with
increasing in the baffles height. It is also found that the enhancement ratio of the average
Nusselt number increases as the distance of top baffle decrease. Furthermore, the best
thermal-hydraulic performance of channel with triangular baffles using nanofluid can be
obtained at baffle height of 2.5 mm, distance of the top baffle of 40 mm and Reynolds
number of 5000.
Keywords:
    thermal hydraulic Performance Forced convection Turbulent flow Nanofluids Triangular baffles
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(2016). Numerical Study Of Turbulent Thermal-Hydraulic Performance Of Al2o3-Water Nanofluid In Channel With Triangular Baffles. Anbar Journal of Engineering Sciences, 7(1), 9-20. doi: 10.37649/aengs.2016.124361
Mohammed Abed Ahmed a. "Numerical Study Of Turbulent Thermal-Hydraulic Performance Of Al2o3-Water Nanofluid In Channel With Triangular Baffles". Anbar Journal of Engineering Sciences, 7, 1, 2016, 9-20. doi: 10.37649/aengs.2016.124361
(2016). 'Numerical Study Of Turbulent Thermal-Hydraulic Performance Of Al2o3-Water Nanofluid In Channel With Triangular Baffles', Anbar Journal of Engineering Sciences, 7(1), pp. 9-20. doi: 10.37649/aengs.2016.124361
Numerical Study Of Turbulent Thermal-Hydraulic Performance Of Al2o3-Water Nanofluid In Channel With Triangular Baffles. Anbar Journal of Engineering Sciences, 2016; 7(1): 9-20. doi: 10.37649/aengs.2016.124361
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