Effects of Al2O3 Cu Water Hybrid Nanofluid on Heat Transfer of Double Pipe Heat Exchanger using CFD


The researchers have consistently observed higher heat transfer rates with different kinds of nanofluids among others, Al2O3, Cu, CuO, Fe3O4, Fe2O3, CNT, nickel, Nano diamond, TiO2, and SiO2 flow in a tube under laminar or turbulent flow conditions. The heat transfer enhancement of nanofluids depends on particle concentrations, thermal conductivity of nanoparticles and mass flow rates. The thermal conductivity of nanoparticles may be altered or changed by synthesizing the hybrid nanocomposite nanoparticles and it is expected that fluids prepared with hybrid nanoparticles may cause further heat transfer enhancements. The hybrid nanoparticles may be defined as two or more different materials in the nanometer size hybrid nanoparticles represent an area of nanotechnology, which is experiencing a marked growth due to its potential impact in material science and engineering. In this Present work, a solid model of a double pipe heat exchanger is built. The main objectives of this research are to analyze the thermal efficiency of hybrid nano fluid Cu Al2O3 Water relative to single nano fluid Al2O3 and pure water. For which nanofluid and hybrid nanofluid passes through the tube side with 6mm diameter, while the hot fluid flows through the annulus side with a 16mm inside diameter and length 1000mm. For this we considered hot water is supplied to the outer tube at a volume flow rate of 3.5 litre min at a temperature of 353 K, while Cu Al2O3 Water based hybrid nanofluid of 0.3 volume concentration are supplied to the inner tube at different volume flow rate of 0.2, 0.4, 0.6, 0.8 and 1 litre min at temperature of 301K. From the present study, it has been found that at 0.2, 0.4, 0.6, 0.8.and 1 liter per minute cold fluid flow rate and 3.5 liters per minute hot fluid flow rate the overall heat transfer coefficient is improved by 12 percent by the use of hybrid nano fluid Cu Al2O3 Water compared to single nano fluid Al2O3 .

by Prof. Om Prakash | Prabha Shankar Kumar “”Effects of Al2O3-Cu/Water Hybrid Nanofluid on Heat Transfer of Double Pipe Heat Exchanger using CFD””

Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-4 | Issue-2 , February 2020,

URL: https://www.ijtsrd.com/papers/ijtsrd30196.pdf

Paper Url : https://www.ijtsrd.com/engineering/mechanical-engineering/30196/effects-of-al2o3-cuwater-hybrid-nanofluid-on-heat-transfer-of-double-pipe-heat-exchanger-using-cfd/prof-om-prakash

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