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Nano Fluid Heat Transfer in a Porous Heat Exchanger

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In this project, nano-fluid flow heat transfer in a heat exchanger containing a porous zone is simulated.

 

This ANSYS Fluent project includes CFD simulation files and a training movie.

There are some free products to check the service quality.

Description

Porous Introduction

In recent decades, many studies on fluid flow and heat transfer in porous media have been conducted by researchers. A porous medium is formed in such a way that its volume includes pores and apertures. Porous media have wide applications in industry such as crude oil production, optimal insulation of buildings and heat exchangers with recovery, etc.

Nano Fluid Heat transfer Project description

In this project, nano-fluid flow heat transfer in a heat exchanger containing porous medium is simulated and analyzed by ANSYS Fluent software. The energy model is activated. Spalarat-Allmaras model is activated for solving turbulent flow.

Porous Heat Exchanger Geometry and mesh

The geometry of this project is designed in ANSYS design modeler® and is meshed in ANSYS meshing®. The meshes used for this geometry consist of two types: structured for the upstream and downstream part of the domain and unstructured for the middle part of the geometry. The total number of mesh cells are 1901882.

nano fluid nano fluid nano fluid

CFD Simulation Settings

The assumptions considered in this project are:

  • Simulation is done using a pressure-based solver.
  • The present simulation is considered to be steady and does not change as a function time.
  • The effect of gravity has not been taken into account.

The applied settings are summarized in the following table.

 
(nano fluid) Models
Viscous model Spalarat-Allmaras
Spalarat-Allmaras production Vorticity-based
Energy on
(nano fluid) Boundary conditions
Inlet velocity inlet
velocity 1.166 m/s
Turbulent intensity 7.356999835558 %
Hydraulic diameter 0.00623 m
(porous) Temperature 343 K
Outlet Pressure outlet
Walls (nano fluid) Stationary wall
Wall core-up, wall core-down, vg, wall part core Heat flux 0 W/m2
Tube Temperature 293 K
Pressure-velocity coupling   SIMPLE
Spatial discretization pressure Second-order
momentum second-order upwind
energy second-order upwind
Modified turbulent visc. first-order upwind
(nano fluid) Initialization
Initialization method   Standard
Gauge pressure 0 Pa
Velocity(x,y,z) (1.166, -2.24404e-28, 1.12202e-28) m/s
Modified turbulent visc. 2.509526e-05 m2/s
Temperature 343 K

Results

At the end of the solution, we obtain the contours of pressure, velocity, temperature, streamlines, and velocity vectors.

 

 

All files, including Geometry, Mesh, Case & Data, are available in Simulation File. By the way, Training File presents how to solve the problem and extract all desired results.

To order your ANSYS Fluent project (CFD simulation and training), contact our experts via info@mr-cfd.com, online support, and WhatsApp.

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