Source: Thermex
First we need to understand what the differences are between counter flow and parallel flow. As a brief description; the term refers to the relationship between the flow directions of the hot and cold fluids. With parallel flow the fluids are travelling through the heat exchanger in the same direction where as a counter flow installation will have the fluids flowing against each other in opposite directions.
The amount of efficiency gained by using a counter flow system depends on several factors including the flow rates and temperatures (these affect the efficiency on their own) but it will be most noticeable in a larger cooler.
In this tutorial you will learn to simulate Heat Trasnfer in counter flow using Ansys Fluent. In this tutorial we will use DesignModeler and Ansys Meshing too.
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