Analytical Model for Ring-Wing Propulsors at Angle of Attack
MJ Werle - Journal of Aircraft, 2022 - arc.aiaa.org
A simple, accurate, analytical model is developed for predicting the forces and moments on
subsonic ring-wing propulsors (aka fan ducts and shrouded propellers) at angle of attack …
subsonic ring-wing propulsors (aka fan ducts and shrouded propellers) at angle of attack …
Analytical model for ring-wing propulsor thrust augmentation
MJ Werle - Journal of Aircraft, 2020 - arc.aiaa.org
A simple, accurate, reduced-order model is developed for predicting the maximum available
thrust performance of subsonic ring-wing propulsors varying in shroud airfoil length …
thrust performance of subsonic ring-wing propulsors varying in shroud airfoil length …
Experimental Study of a Morphing Annular Wing
LW Traub - Journal of Aircraft, 2019 - arc.aiaa.org
ANNULAR or ring wings have received periodic attention [1–11] due to their theoretical
efficiency, reflected in an inviscid Oswald efficiency factor of 2. Despite their apparent …
efficiency, reflected in an inviscid Oswald efficiency factor of 2. Despite their apparent …
Effect of Sweep on Annular Wings
CG Bullens, LW Traub - Journal of Aircraft, 2021 - arc.aiaa.org
AR= aspect ratio b= span c= chord CD= drag coefficient CD0= zero-lift drag coefficient CL=
lift coefficient CLCL∕ CD max= lift coefficient at CL∕ CD max CLMax= maximum lift …
lift coefficient CLCL∕ CD max= lift coefficient at CL∕ CD max CLMax= maximum lift …