2021 journal article

Finite wing lift during water-to-air transition

Physical Review Fluids, 6(5).

By: W. Weisler n, R. Waghela n, K. Granlund n  & M. Bryant  n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
Source: ORCID
Added: May 13, 2021

We report the experimental investigation of lift generation by an initially submerged aspect ratio 4 wing that translates through the water-air interface. Many animals, such as flying fish and diving seabirds, use wings or fins to produce lift forces as they transit the water-air interface, and cross-domain underwater-aerial vehicles were recently demonstrated, but lift production of a wing egressing from water had not yet been quantified. Our results show that the lift history is markedly different for low egress velocities versus high egress velocities, with low velocities exhibiting a large oscillation in lift coefficient and high velocities exhibiting a more linear lift attenuation.