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  • Flow over an Airfoil - Verification & Validation

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Validation

To validate our data, we will take a compare the data from actual experiment.can compare values to actual experiment. The drag coefficient coming from our inviscid model, however, cannot be compared to actual data. The drag coefficient in our model is theoretically zero.  

 

Unrefined Mesh

Refined Mesh

Experimental Data

Lift Coeffient

0.6315

0.6670

0.6630

Drag Coefficient

0.0122

0.00630.0090

n/a

Below is a graph displaying the comparing Coefficient of Pressure along the airfoil for the experimental data and the CFD simulation. The data is from Gregory & O'Reilly, NASA R&M 3726, Jan 1970.

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