The planar characteristic and angular dispersion of {HEAD ~ the mutually leading edge} coupled extended flaps, and the regular square interior housing result in complementary internal vortices developed at {TAIL ~ the trailing edge} of the planar architectural surfaces 
The planar characteristic and angular dispersion of { HEAD ~ the mutually leading edge } coupled extended flaps , and the regular square interior housing result in complementary internal vortices developed at { TAIL ~ the trailing edge } of the planar architectural surfaces
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH