Performance Studies of a Triple Concentric Helical Tube Heat Exchanger using Al2O3 Nano-Fluid

  • Authors

    • S N Das
    • S P Jena
    • S Panigrahi
    • U K Mohanty
    • V M Behera
    2018-12-13
    https://doi.org/10.14419/ijet.v7i4.39.23945
  • concentric, helical tube, nano-fluid, Al2O3, heat exchanger.

  • A triple tube concentric type heat exchanger was selected for the analysis of heat exchanger characteristics. The heat exchanger was provided with a helical coil over the middle flow pipe. The heat exchanger characteristics were studied under turbulent flow conditions for the N-H-C and C-H-Nconfigurations of flow separately. Al2O3  nano-particles of approximated size of 50 nm were used to constitute the Al2O3 nano- fluid which was employed to enhance the effectiveness of the heat exchanger with both parallel and counter flow patterns. In the N-H-C configuration flow of nano-fluid at normal temperature took place in the inner pipe while the cold fluid flows in the annulus region and hot fluid was made to flow through the helical coil over the inner pipe.in C-H-Nconfiguration normal ,cold and hot fluid flowed in the- annulus region, inner and the helical coil respectively.the analysis revealed that the N-H-C flow arrangement was more effective in the transfer of heat to that for the C-H-Nflow arrangement. Also it was observed that with insertion of the helical coil and the use of nano-fluid enhance the effectiveness of heat exchanger.  

     

     

  • References

    1. [1] F.P. Incropera & D.P. DeWitt, (1990), Fundamentals of Heat and Mass Transfer, 3rd ed., Wiley, New York.

      [2] G.A. Quadir, I. A. Badruddin & N.J. S. Ahmed, (2014), Numerical investigation of the performance of a triple concentric pipe heat exchanger, Int. J. of Heat and Mass Transfer, 75, 165–172.

      1. Unal, (1998), Theoretical analysis of triple concentric-tube heat exchangers Part 1: Mathematical modeling, Int. Commun.Int. J. Heat Mass Transfer, 25, 949-958.

      [3] G. A. Quadir, S. S.Jarallah, N. J. S. Ahmed & I. A. Badruddin, (2013), Experimental investigation of the performance of a triple concentric pipe heat exchanger, Int. J. of Heat and Mass Transfer, 62, 562–566.

      [4] S. U. S. Choi, (1995), Enhancing thermal conductivity of fluids with nano particles, Developments and Applications of Non-Newtonian Flows, 66, 99–105.

      [5] A.A. RabienatajDarzi, M. Farhadi & K. Sedighi, (2013), Heat transfer and flow characteristics of AL2O3–water nano-fluid in a double tube heat exchanger, Int. J. Heat and Mass Transfer, 4, 105–112.

      [6] M. C. S. Reddy & V.V. Rao, (2014), Experimental investigation of heat transfer coefficient and friction factor of ethylene glycol water based TiO2 nano-fluid in double pipe heat exchanger with and without helical coil inserts, Int. J. Heat and Mass Transfer, 50, 68–76.

      [7] W. Duangthongsuk & S. Wongwises, (2009), Heat transfer enhancement and pressure drop characteristics of TiO2–water nano-fluid in a double-tube counter flow heat exchanger, Int. J. of Heat and Mass Transfer, 52, 2059–2067.

      1. K. Tiwari, P. Ghosh & J. Sarkar, (2013), Heat transfer and pressure drop characteristics of CeO2/water nano-fluid in plate heat exchanger, Int. J. Applied Thermal Engineering, 24-32.

      [8] A. AbbasianArani & J. Amani, (2012), Experimental study on the effect of TiO2–water nano-fluid on heat transferand pressure drop, Int. J.Experimental Thermal and Fluid Science, 42, 107–115.

      [9] S. ZeinaliHeris, Taofik H. Nassan, S.H. Noie, H. Sardarabadi & M. Sardarabadi, (2013), Laminar convective heat transfer of Al2O3/water nano-fluid throughsquare cross-sectional duct, Int. J. of Heat and Fluid Flow, 375–382.

      [10] J Albadr, S Tayal & M Alasadi, (2013), Heat transfer through heat exchanger using Al2O3 nano-fluid at different concentrations, Case Studies inThermal Engineering, 1, 38–44.

      1. Unal, (2001), Theoretical analysis of triple concentric-tube heat exchangers Part 2: Case studies. Int. Commun. Heat Mass Transfer 28, 243–256.

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    N Das, S., P Jena, S., Panigrahi, S., K Mohanty, U., & M Behera, V. (2018). Performance Studies of a Triple Concentric Helical Tube Heat Exchanger using Al2O3 Nano-Fluid. International Journal of Engineering & Technology, 7(4.39), 272-277. https://doi.org/10.14419/ijet.v7i4.39.23945