Ansys CFX – Heat Exchanger (Shell & Tubes)

Written by cfd.ninja

March 12, 2020

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Source: Thermopedia

A heat exchanger is a device used to transfer heat between two or more fluids. The fluids can be single or two phase and, depending on the exchanger type, may be separated or in direct contact. Devices involving energy sources such as nuclear fuel pins or fired heaters are not normally regarded as heat exchangers although many of the principles involved in their design are the same.

In order to discuss heat exchangers it is necessary to provide some form of categorization. There are two approaches that are normally taken. The first considers the flow configuration within the heat exchanger, while the second is based on the classification of equipment type primarily by construction. Both are considered here.

Classification of Heat Exchangers by Flow Configuration

There are four basic flow configurations:

  • Counter Flow

  • Cocurrent Flow

  • Crossflow

  • Hybrids such as Cross Counterflow and Multi Pass Flow

In this tutorial you will learn to simulate a Heat Exchanger (Shell and Tube) using Ansys CFX. You can download the mesh from this link.

Ansys CFX – NACA 4412 (Structured Mesh)

Ansys CFX – NACA 4412 (Structured Mesh)

The NACA four-digit wing sections define the profile by:
First digit describing maximum camber as percentage of the chord.
Second digit describing the distance of maximum camber from the airfoil leading edge in tenths of the chord.

OpenFOAM vs ANSYS CFX

OpenFOAM vs ANSYS CFX

OpenFOAM is the free, open source CFD software developed primarily by OpenCFD Ltd since 2004. It has a large user base across most areas of engineering and science, from both commercial and academic organisations.

We share the same tutorial using ANSYS Fluent.

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