Study On Effectiveness Using Copper Oxide Nanofluid In Shell And Tube Heat Exchanger

Study On Effectiveness Using Copper Oxide Nanofluid In Shell And Tube Heat Exchanger

  IJETT-book-cover  International Journal of Engineering Trends and Technology (IJETT)          
  
© 2020 by IJETT Journal
Volume-68 Issue-12
Year of Publication : 2020
Authors : Syed Sameer, Dr. S.B. Prakash, Ganesha T, Narayana Swamy G
DOI :  10.14445/22315381/IJETT-V68I12P201

Citation 

MLA Style: Syed Sameer, Dr. S.B. Prakash, Ganesha T, Narayana Swamy G  "Study On Effectiveness Using Copper Oxide Nanofluid In Shell And Tube Heat Exchanger" International Journal of Engineering Trends and Technology 68.12(2020):1-9. 

APA Style:Syed Sameer, Dr. S.B. Prakash, Ganesha T, Narayana Swamy G. Study On Effectiveness Using Copper Oxide Nanofluid In Shell And Tube Heat Exchanger  International Journal of Engineering Trends and Technology, 68(12),1-9.

Abstract
In different applications, nanofluids have competent heat transfer improvement properties. Nanofluids comprise nanoparticles (1 to 100 nm), dispersed homogeneously and steadily in a base fluid. These dispersed nanoparticles significantly improve the nanofluids` thermal conductivity and convection coefficients, which improves heat transfer. This research article deals on the overall heat transfer coefficient and effectiveness in counter-flow STHE (shell & tube heat exchanger), consisting of 25% baffle cut. The CuO-DW nanofluid was prepared using CuO nanoparticles in DW base fluid by two-step technique at 0.05%, 0.1%, and 0.2% volume fractions. The addition of 0.15% SDBS (Sodium dodecylbenzene sulphonate) as a surfactant enhances dispersed nanoparticles` stability. The thermophysical properties of CuO-DW nanofluid, such as density (?), thermal conductivity (k), and dynamic viscosity (?), increases, but the specific heat (Cp) decreases with an increase in CuO nanoparticles concentration in DW base fluid. The maximum heat exchanger effectiveness was 2.92%, 3.85%, and 5.66% higher than water at a 0.6 lpm mass flow rate for 0.05%, 0.1%, and 0.2% CuO-DW nanofluid volume fractions correspondingly. The actual heat transfer (Qactual), coefficient of overall heat transfer (Uo), and effectiveness (?) of the counter flow STHE are higher compared to water for 0.05%, 0.1%, and 0.2% CuO-DW nanofluid volume fractions as flow rate changes from 0.2 lpm to 1 lpm at T=800C.

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Keywords
CuO (Copper-Oxide) nanoparticles, coefficient of overall heat transfer, effectiveness study, heat exchanger, thermophysical properties, volume fraction.