Impact of different volume concentrations and flow rates on the thermal performance of counter flow cylindrical shell and helical coil heat exchanger using Cu/H2O nano fluids

International Journal of Thermal Engineering

© 2020 by SSRG - IJTE Journal

Volume 6 Issue 3

Year of Publication : 2020

Authors : D.Sarath Chandra, Dr.Omprakash D Hebbal, Dr. K.Vijaya Kumar Reddy

10.14445/23950250/IJTE-V6I3P103

How to Cite?

D.Sarath Chandra, Dr.Omprakash D Hebbal, Dr. K.Vijaya Kumar Reddy, "Impact of different volume concentrations and flow rates on the thermal performance of counter flow cylindrical shell and helical coil heat exchanger using Cu/H2O nano fluids," SSRG International Journal of Thermal Engineering, vol. 6,  no. 3, pp. 11-15, 2020. Crossref, https://doi.org/10.14445/23950250/IJTE-V6I3P103

Abstract:

Laminar flow convective heat transfer and pressure drop characteristics of Cu-water nanofluids at low temperatures (30-70oC) in counterflow shell and helical coil heat exchanger (SHCHE) are experimentally investigated. Further experiments are carried out using natural water with the same setoff parameters. Experiments are also conducted with volume concentrations of 0.01–0.06 vol % and the Reynolds number varies between 700 to 2100. The heat transfer rate is increased by using 0.06 vol. % Cu/water single fluid with high flow rate on the shell side in the helical coil counter flow heat exchanger. The average Nusselt number increased with increasing Re number and particle concentrations. The experimental study shows that the maximum thermal performance in Copper/water single is about 14% higher than that of distilled water.

Keywords:

Helical coil Heat Exchanger, Nanofluids, Volume Concentrations, Flow Rates, convective heat transfer;

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