publication . Article . 2017

Experimental Investigation to Heat Transfer Augmentation in A Car Radiator Worked with (Water - Magnesium Oxide) Nanofluid.

Hameed K. Hamzah; Qusay Rasheed Al-Amir;
Open Access Arabic
  • Published: 01 Jul 2017 Journal: Journal of University of Babylon (issn: 1992-0652, eissn: 1992-0652, Copyright policy)
  • Publisher: University of Babylon
In this work, effect of adding MgO nanoparticle to base fluid (water) in car radiator has been implemented experimentally. In this investigation, an experimental test rig has been designed to study effect inlet temperature of nanofluid, the flow rate and nanoparticle volume fraction on heat transfer rates. Six different concentrations of nanofluid of 0.125%, 0.25%, 0.5%,1% ,1.5% and 2% have been prepared by mixed of MgO nanoparticles with water. Reynolds number of nanofluid was between 4500 and 19000.Thermal behavior of an automobile radiator worked with nanofluid has been compared with using pure water in it. So, the fluid circulating rate in radiator has been ...
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2 0.707 4.44614 3966.31 1025.426 The measure of nano particles required for arrangement of nanofluids is calculated utilizing the following equation .( Sonage and Mohanan, 2015).

4.4. Overall Heat Transfer Coefficient calculation according Cengel, 2012 .

3. Increment the heat dissipation rate (Q) with nanoparticle volume fraction increment in the water, the maximum increment percentage (40%) over the base liquid, happens at (2 vol %) nanoparticle volume fraction.

4. Increment the volume fraction of nanoparticle in the nanofluid substantially affect upgrade of heat transfer coefficient , properties of fluid for example thermal conductivity , density , and viscosity , but it caused decreasing the specific heat .

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