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Airfoils is a small Python library for object-oriented airfoil modelling. The library provides tools to easily instantiate airfoil objects and to query geometric information. An airfoil object is defined by upper and a lower surface coordinates.
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Airfoil nomenclature. Image in the public domain, via `Wikimedia Commons <https://commons.wikimedia.org/wiki/File:Wing_profile_nomenclature.svg>`_.
Airfoil generation with a NACA-4 series definition
Import from files
UIUC Airfoil Coordinates Database <https://m-selig.ae.illinois.edu/ads/coord_database.html>
_Interpolation or computation of airfoil geometry parameters
Linear interpolation between two different airfoils (MorphAirfoil)
Plotting of airfoils
.. code:: python
>>> from airfoils import Airfoil
>>> foil = Airfoil.NACA4('4812')
>>> foil.plot()
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.. code:: python
>>> foil.y_upper(x=0.5)
array(0.13085448)
>>> foil.y_lower(x=[0.2, 0.6, 0.85])
array([0.00217557, 0.02562315, 0.01451318])
>>> foil.camber_line(x=0.5)
0.07789290253609385
.. code::
pip install airfoils
License: Apache-2.0