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Influence of Particle Size on Turbulent Flow Using Mono and Hybrid Nanofluids in a Heat Exchanger—An Experimental Investigation

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Recent Advances in Energy Technologies

Part of the book series: Lecture Notes in Mechanical Engineering ((LNME))

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Abstract

Mono and hybrid nanofluids are used in this experiment to scrutinize the influence of particle size on the heat transfer enhancement in a radiator. The collected nanoparticles are reduced in size using a planetary ball mill. Additionally, a two-step method was utilized to prepare % volume concentrations of mono nanofluids SiC-L and SiC-S, as well as % volume concentrations of hybrid nanofluids (Al2O3/SiC-S, Al2O3/SiC-L) in the DI water/EG base fluid. Thermal conductivity and viscosity of mono and hybrid nanofluids are investigated and compared at various temperatures in a turbulent flow radiator. Further, the enhancement of Nusselt number and friction factor characteristics is analysed for the prepared mono and hybrid nanofluids. Finally, correlations between the friction factor and Nusselt number are established using regression analysis. According to the findings, when Al2O3/SiC-S hybrid nanoparticles are mixed with a base fluid, heat transfer is improved, and radiator size is reduced when compared to standard coolants.

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Abbreviations

µ bf :

Dynamic viscosity of the base fluid

µ nf :

Dynamic viscosity of the nanofluids

a :

Radius of the spherical particle

A :

Tube surface area

C p :

Specific heat

D :

Density of the particle

d :

Density of the fluid

d :

Hydraulic diameter of the tubes

g :

Acceleration due to gravity

HTC:

Heat transfer coefficient

K:

Constant

k :

Thermal conductivity of the fluid

k f :

Thermal conductivity of the base fluid (W/mK)

k nf :

Thermal conductivity of nanofluids (W/mK)

l :

Length of the flattened tube of a car radiator

Nu:

Nusselt number

P:

Perimeter of the tubes

Re:

Reynolds number

T :

Average temperature

T w :

Wall temperature

w :

Width of the flattened tube of a car radiator

ΔP:

Pressure drop

μc :

Viscosity of the suspension

φ :

Concentration in %

bf:

Base fluid

\(\varphi\) :

Particle size

nf:

Nanofluid

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Authors and Affiliations

  1. Department of Mechanical Engineering, University College of Engineering, Tamil Nadu, Villupuram, 605103, India

    Ratchagaraja Dhairiyasamy & Mohan Govindasamy

Authors
  1. Ratchagaraja Dhairiyasamy
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  2. Mohan Govindasamy
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Corresponding author

Correspondence to Ratchagaraja Dhairiyasamy .

Editor information

Editors and Affiliations

  1. Dept. of Mechanical Engineering, Sri Sivasubramaniya Nadar College of Eng, Chennai, Tamil Nadu, India

    N. Lakshmi Narasimhan

  2. Dept. of Mechanical Engineering, Universitat Rovira i Virgili, Tarragona, Spain

    Mahmoud Bourouis

  3. Dept of Mechanical Engineering, Indian Institute of Technology Madras, Chennai, Tamil Nadu, India

    Vasudevan Raghavan

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Dhairiyasamy, R., Govindasamy, M. (2023). Influence of Particle Size on Turbulent Flow Using Mono and Hybrid Nanofluids in a Heat Exchanger—An Experimental Investigation. In: Narasimhan, N.L., Bourouis, M., Raghavan, V. (eds) Recent Advances in Energy Technologies. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-19-3467-4_15

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  • DOI: https://doi.org/10.1007/978-981-19-3467-4_15

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-19-3466-7

  • Online ISBN: 978-981-19-3467-4

  • eBook Packages: EngineeringEngineering (R0)

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