Project

- Turbulent Secondary Motions over Spanwise Heterogeneous Surfaces

Journal Publications

Impact of tip rounding on riblet drag-reduction performance
CIPELLI, S.; RONCHETTI, G.; GATTI, D.
2026. Chinese Journal of Aeronautics, 39 (10), Art.Nr: 104231. doi:10.1016/j.cja.2026.104231

Momentum and heat transfer in turbulent channels with drag-increasing riblets
Cipelli, S.; Rapp, N.; Frohnapfel, B.; Gatti, D.
2026. Journal of Physics: Conference Series, 3173 (1), Art.Nr: 012004. doi:10.1088/1742-6596/3173/1/012004

Conference Contributions

Fully rough behaviour of riblets and ridges with different cross-sectional shapes
Cipelli, S.; Frohnapfel, B.
2026. European Drag Reduction and Flow Control Meeting (EDRFCM 2026), Madrid, Spain, September 8–11, 2026

Momentum and heat transfer in turbulent channels with drag-increasing riblets
Cipelli, S.; Rapp, N.; Frohnapfel, B.; Gatti, D.
2025. 11th International Symposium on Turbulence, Heat and Mass Transfer (THMT 2025), Tokyo, Japan, July 21–25, 2025

Momentum and heat transfer in turbulent channels with drag-increasing riblets
Cipelli, S.
2025. 11th Conference on Turbulence (iTi 2025), Bertinoro, Italy, July 27–30, 2025

Accurate and efficient direct numerical simulation of turbulent drag reduction via riblets
Gatti, D.; Cipelli, S.; Gattere, F.; Chiarini, A.; Luchini, P.; Quadrio, M.
2023. 18th European Turbulence Conference (ETC 2023), Valencia, Spain, September 4–6, 2023

Turbulent channel flows with sinusoidal riblets
Cipelli, S.
2026, October 15. doi:10.35097/eq2vsp2n00qdmsjf

Impact of tip rounding on riblet drag-reduction performance
CIPELLI, S.; RONCHETTI, G.; GATTI, D.
2026. Chinese Journal of Aeronautics, 39 (10), Art.Nr: 104231. doi:10.1016/j.cja.2026.104231

Sinusoidal riblets for turbulent drag reduction
Cipelli, S.; Quadrio, M.; Gattere, F.; Chiarini, A.; Lucchini, P.; Gatti, D.
2024, September. European Drag Reduction and Flow Control Meeting (EDRFCM 2024), Turin, Italy, September 10–13, 2024

Betreute studentische Arbeiten

Master's thesis by Giacomo Ronchetti (external, Politecnico di Milano): "Direct Numerical Simulation of Riblets Drag Reduction: Accounting for the Corner Singularity in Arbitrary Geometries", 2024
Master's thesis by Natalie Rapp: "Heat and Momentum Transfer of Riblets in the Drag-Increasing Regime", 2024
Master's thesis by Florian Dobratz: "Accuracy Assessment of Numerical Simulations of Turbulent Flows over Structured Surfaces", 2025