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Advances in Energy Research
  Volume 8, Number 3, September 2022 , pages 125-136
 open access

Second law thermodynamic analysis of nanofluid turbulent flow in heat exchanger
K. Manjunath

    Entropy generation along with exergetic analysis is carried out using turbulent nanofluid flow in the heat exchanger. To obtain the optimized percentage constituent of nanofluid, the nanofluid volume concentrations is varied for the given input conditions. For different Reynolds number of the fluid and heat capacity rate ratio between the streams, the heat transfer improvements are studied in terms of nano particles diameter. Parametric analysis is carried out for a counterflow heat exchanger using turbulent nanofluid flow with exergetic efficiency along with entropy generation number as performance parameters. The exergetic efficiency provides realistic approach in the design of nanofluid applications in heat exchanger leading to conservation of energy.
Key Words
    entropy generation; exergetic efficiency; heat-transfer enhancement; optimum concentration fractions; particle diameter
K. Manjunath: Department of Mechanical Engineering, Delhi Technological University, Bawana Road, Delhi 110042, India

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