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Experimental Investigation to Heat Transfer Augmentation in A Car Radiator Worked with (Water - Magnesium Oxide) Nanofluid. | ||
| Journal of University of Babylon | ||
| Article 1, Volume 25, Issue 4, 2017, Pages 1179-1193 | ||
| Authors | ||
| Hameed K. Hamzah; Qusay Rasheed Al-Amir | ||
| Abstract | ||
| 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 varied in the extent of the range of 1-8 L/min and fluid inlet temperature is also varied for all experimental. Results emphasized that Nusselt number increases with an increase of liquid inlet temperature, nanoparticle volume fraction and Reynolds number. As well as, the enhancement in heat transfer coefficient due to presence of nanoparticles is more than that without noanoparticles. These results can be achieved to optimize the dimension of an automobile radiator. A good agreement was seen with theoretical and experimental results with many authors | ||
| Keywords | ||
| Convective heat transfer; MgO; water nanofluid; Car radiator; Heat transfer; cooling system; pressure drop | ||
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