Experimental Investigations of Glycerin/Al2O3 Nanofluid in the Hydrodynamically Developing Region for Automotive Cooling Applications

  • Kondru Gnana Sundari
  • Lazarus Godson AsirvathamEmail author
  • Joseph John Marshal
  • T. Michael N. Kumar
  • Mona Sahu
Conference paper
Part of the Lecture Notes in Mechanical Engineering book series (LNME)


The research work presented in this paper is about the experimental investigations of the convective heat-transfer behavior of glycerin/Al2O3 nanofluids at the entry regions (hydrodynamically and thermally developing) analyzed for a boundary condition having heat flux as constant. Different concentrations of Al2O3 nanoparticles of 0.05, 0.1, and 0.15 vol.% are mixed with glycerin and water at 50:50 ratio. The mass flow rate is kept under laminar flow condition by varying the Reynolds number between 500 and 2000. The testing condition of the heater section has a diameter of 25.4 mm and a length of 500 mm is tightly wound with coil representing a heater. The thermophysical properties and the variations of Nusselt numbers are experimentally studied. The results show an enhancement of 42% of the heat-transfer coefficient at a Reynolds number–2000.


Glycerin Alumina Radiator Heat transfer 


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© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  • Kondru Gnana Sundari
    • 1
  • Lazarus Godson Asirvatham
    • 1
    Email author
  • Joseph John Marshal
    • 1
  • T. Michael N. Kumar
    • 2
  • Mona Sahu
    • 1
  1. 1.Department of Mechanical EngineeringKarunya Institute of Technology and ScienceCoimbatoreIndia
  2. 2.Department of Mechanical EngineeringBharathiyar College of EngineeringKaraikalIndia

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