M.Dhanunjaiah, “Design & Analysis of Radiator”, 10th International Conference on recent Innovations in Science, Engineering and Management(7 July 2017

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S.M. Peyghambarzadeha, S.H. Hashemabadib,*, M. Seifi Jamnania, S.M. Improving the cooling performance of automobile radiator with Al2O3/water

Review on Enhancement of Radiator Efficiency

using Nanotechnology

Swapnil Shimpi 1 , Socrates Temburne 2 , Gunjan Firake 3 , Kapil Deshmukh 4 , Prof. A. S. Tumane 5

1, 2, 3, 4, 5 Mechanical Engineering Department, PES Modern College of Engineering, Savitribai Phule Pune University, Maharashtra,

India

Abstract: The main function of a radiator in an automobile is to cool it’s engine. This cooling action is executed by radiator via cooling fluid, which we know as coolant. This coolant is responsible for heat dissipation from the internal combustion engines

to outside of the vehicle. But this is what the problem is- “coolant”- the coolants which are used nowadays have comparatively

lower thermal conductivity and it leads to overheating of vehicles, which ultimately facilitates subsequent operational and environmental problems. We know the modus operandi of convection heat transfer which is used to cool the circulating fluid which is a mixture of water and anti-freezing material like Ethylene Glycol with some additives. This is where improving the

heat transfer characteristics of coolant is obligatory and we propose the use of novel heat transfer fluid called 'Nanofluid' which

incorporates the use of Nanoparticles in preparation of coolant. This paper reviews the use of Al 2 O 3 based nanofluid prepared

my combination of several methods studied through extensive research and various researchers predict that it exhibits better heat

transfer capability to that of normal coolant. This nanofluid improves the effectiveness of a radiator and facilitates in increased

heat dissipation out of the vehicle.

Keywords: Al 2 O 3 Nanofluid, Coolant, Radiator, Heat Dissipation, Effectiveness, Nanotechnology

I. INTRODUCTION

Al 2 O 3 based Nanofluids are a relatively new type of fluids which involves a base fluid with nanosized particles suspended inside

them. These nanoparticles or metal oxide, increase conduction and convection coefficients, allowing for more heat dissipation out of

the coolant. While reviewing the literature related to this topic we witnessed that there has been many developments recently which

have made the nanofluids more stable to be used as coolant. Notably in past ten we have witnessed substantial growth in research on nanofluids. In this review, papers listed in reputed national and international journals are only considered. The following study initiate to be captivated on fusion, preparation, characterization and flexibility of diverse nanofluids to various industrial and

commercial applications. Various papers published in the past period of ten years belong to nanofluids and we observed that this publication rate should be of intense interest among the scientific community on the nanofluids research. We have put an effort to combine the research accessible in this topic on usage of nanofluids in radiator to improve its heat transfer capability, and recognized experiments that offer concentrated viewpoint on this topic and for its future activities in research on nanofluid. Important topic from few literature are gathered into segments and put forth in tabular format for better comprehension.