Before we can make any conclusion about the accuracy of our result, we should always make validation check. The most common validation step is grid convergence check.
A finer mesh with four times the original mesh density was created. The lift coefficient was found to be 0.649.
|
Original Mesh |
Fine Mesh |
%Dif |
|---|---|---|---|
CL |
0.647 |
0.649 |
0.3% |
With our simulation data, we can now compare the Fluent with experimental data. The summary of result is shown in the table.
|
CL |
Cd |
FLUENT |
0.647 |
0.00249 |
Experiment |
0.6 |
0.007 |
Theory |
- |
0 |
The experimental data is taken from Theory of Wing Sections By Ira Herbert Abbott, Albert Edward Von Doenhoff pg. 493
|
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