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Call for Paper - December – 2022 Edition   

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IJATCA solicits original research papers for the December – 2022 Edition.
Last date of manuscript submission is December 30, 2022.


Influence of Ethylene Glycol- Water Mixture Ratio on Al2o3 Nanofluid for Turbulent Flow Heat Transfer Characteristics

Volume: 1 Issue: 1
Year of Publication: 2019
Authors: D.V.Raghunatha Reddy, Anjanna Matta


In this present study, a numerical analysis is developed to evaluate the base fluid and mixture ratios influencing on the heat transfer coefficient and flow characteristics of nanofluids in the turbulent range of Reynolds number employing in the investigation. This analysis formulated with the help of Eddy diffusivity equation of Van Driest. The properties of Aluminum dioxide (Al2O3) nanofluid with a low fluid Ethylene Glycol (EG) -Water (W) mixture of 60:40 ratio is employed in a wide range of concentrations of 0.5% to 2% on a bulk temperature range of 20oC to 90oC.The influences of density and temperature effect on heat transfer coefficients are determined. The maximum concentrations for which the heat transfer enhancement can attain are estimated to be 1.5% and 2.0% at 30oC and 80oC respectively under turbulent range. The temperature effect and concentration ratios are influencing on a heat transfer coefficient of nanofluids were analyzed and observed that the heat transfer coefficients enhances with concentration and decreases with temperature.


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Aluminum dioxide, ethylene glycol, Nanofluids, properties of nanofluids and turbulent region.

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