[HTML][HTML] Numerical and experimental investigations of diffusion-induced boundary layer separation on aero-engine nacelles

L Boscagli, K Sabnis, DG MacManus… - International Journal of …, 2024 - Elsevier
Aero-engine nacelles have to fulfill design requirements at both cruise and off-design
conditions. Under engine windmilling conditions the ingested streamtube massflow is …

Characteristics of shock-induced boundary-layer separation on nacelles under windmilling diversion conditions

L Boscagli, D MacManus, F Tejero, K Sabnis… - AIAA Journal, 2024 - arc.aiaa.org
The boundary layer on the external cowl of an aeroengine nacelle under windmilling
diversion conditions is subjected to a notable adverse pressure gradient due to the …

A wind tunnel rig to study the external fan cowl separation experienced by compact nacelles in windmilling scenarios

K Sabnis, L Boscagli, A Swarthout… - AIAA Scitech 2023 …, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-1942. vid Ultra high-bypass ratio
aircraft engines adopt slim fan cowl profiles which are sensitive to separation on their …

Shock-induced Fan Cowl Separation during Aeroengine Windmilling at Diversion from Cruise

K Sabnis, H Babinsky, L Boscagli, D MacManus… - AIAA Journal, 2024 - arc.aiaa.org
When a civil aircraft engine is operated at windmill during the cruise flight phase, there is
supersonic flow acceleration around the leading edge of the fan cowl toward the external …