Finding Airfoil from its coordinates

aman_baig · November 23, 2015, 21:08

I found a coordinate file of an airfoil but I don't know which airfoil does it belong to. I tried looking at few airfoils at airfoildb but couldn't match any. Any ideas on how can I find its name? I know that is a NACA airfoil.

fresty · November 24, 2015, 01:08

NACA aerofoils are coded with respect to their camber/ chord/ other dimensional parameters.. did you try looking at the nomenclature of NACA aerofoils..? Plot the aerofoil and compute the chord & camber (if any) and look for the closest one in library (XFoil etc.)

aman_baig · November 30, 2015, 08:01

Thank you fresty for your reply. I went to airfoiltools.com and there I uploaded my coordinates file. It told me the camber and other details and I was able to find my airfoil.

fluid23 · December 2, 2015, 14:40

If you have Matlab or a similar computing tool you can create a script to scan the whole UIUC airfoil database (you will have to download it first) and compare the coordinates of each file in the database.

aman_baig · December 5, 2015, 02:11

I liked the idea. Programming has amazing potentials. Thanks for your response.

November 23, 2015, 21:08	Finding Airfoil from its coordinates	#1
aman_baig New Member Aman uz zaman Baig Join Date: Nov 2015 Location: Cincinnati, US Posts: 16 Rep Power: 10	I found a coordinate file of an airfoil but I don't know which airfoil does it belong to. I tried looking at few airfoils at airfoildb but couldn't match any. Any ideas on how can I find its name? I know that is a NACA airfoil.

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November 24, 2015, 01:08		#2
fresty Senior Member Join Date: Aug 2014 Location: UK Posts: 213 Rep Power: 12	NACA aerofoils are coded with respect to their camber/ chord/ other dimensional parameters.. did you try looking at the nomenclature of NACA aerofoils..? Plot the aerofoil and compute the chord & camber (if any) and look for the closest one in library (XFoil etc.)

November 30, 2015, 08:01		#3
aman_baig New Member Aman uz zaman Baig Join Date: Nov 2015 Location: Cincinnati, US Posts: 16 Rep Power: 10	Thank you fresty for your reply. I went to airfoiltools.com and there I uploaded my coordinates file. It told me the camber and other details and I was able to find my airfoil.

December 2, 2015, 14:40		#4
fluid23 Senior Member Matt Join Date: Aug 2014 Posts: 947 Rep Power: 17	If you have Matlab or a similar computing tool you can create a script to scan the whole UIUC airfoil database (you will have to download it first) and compare the coordinates of each file in the database.

December 5, 2015, 02:11		#5
aman_baig New Member Aman uz zaman Baig Join Date: Nov 2015 Location: Cincinnati, US Posts: 16 Rep Power: 10	I liked the idea. Programming has amazing potentials. Thanks for your response.