Analysis and Comparison of Shell and Helical Coil Heat Exchanger by Using Silica and Alumina

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International Journal for Research in Applied Science & Engineering Technology (IJRASET) ISSN: 2321-9653; IC Value: 45.98; SJ Impact Factor: 7.538 Volume 10 Issue XI Nov 2022- Available at www.ijraset.com Table 2 : Shell and Helical Coil Meshing Statistics Mesh type Fine grid mesh No. of nodes

166108

No. of elements

287186

 STEP 2 Fluent Setup: After mesh setup generation define the following steps in the ANSYS fluent 18.2.  Problem Type -3D solid  Type of Solver – pressure  Physical Model – viscous k- two equation turbulence model  Mixture- mixture  STEP 3 Fluid Property Table No. 3 Property of Al2O3 Nanofluid Type of fluid Al2O3 Density (ρ) 3600 kg/m3 Viscosity (µ) 0.0001548 kg/m-s Specific heat (Cp ) 765 J/Kg-K Thermal conductivity ( k) 36 Watt/mK Table No 4 Property of Water Type of fluid Density (ρ) Viscosity (µ) Specific heat (Cp ) Thermal conductivity (k)

Water 998.2 kg/m3 0.2 kg/m-s 1670 J/Kg-K 0.162 Watt/mK Table No.5 Property of SiO2 Nanofluid

Type of fluid Density (ρ) Viscosity (µ) Specific heat (Cp ) Thermal conductivity ( k)

SiO2 2196.7 kg/m3 0.00189 kg/m-s 880 J/Kg-K 30 Watt/mK

SOLUTION Solution Method Pressure - Velocity - Coupling – Scheme - Simple  Pressure – standard pressure  Momentum- 2nd order  Turbulence –kinetic energy 2nd order  Turbulence dissipation rate 2nd order  Solution Initialisation Initiate the solution to get the initial solution for the problem.  Run Solution Run the solution by giving 500 number of iteration for solving the convers.  Post Processing For viewing and interpret of result, the result can be viewed in various formats like graph, value, animations etc.

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