Publications

Journal papers

  1. J. Tan, S. Otomo, I.M. Viola, Y. Liu, “Control of tip vortices by grooves” (in preparation)
  2. S. Otomo, K. Ramesh, “Explicit unsteady thin-aerofoil-theory for aerofoils undergoing high-amplitude oscillations” (in preparation)
  3. S. Otomo, K. Mulleners, K. Ramesh, I.M. Viola, “Modelling vortex dynamics of high-amplitude pitching aerofoil” (in preparation)
  4. S. Otomo, A. Young, E. McCarthy, I.M. Viola, “Scaling of unsteady load mitigation by a flexible trailing-edge” (under review)
  5. N. Takada, A. Watanabe, S. Shimomura, S. Otomo, H. Nishida, “Explainability of deep reinforcement learning-based closed-loop control for flow separation around an airfoil” (under review)
  6. A. Watanabe, N. Takada, S. Shimomura, S. Sekimoto, S. Otomo, A. Oyama, H. Nishida “The effect of pressure sensor arrangement on deep reinforcement learning-based feedback control of separated flow around aerofoils” (under review)
  7. Y. Kaneko, S. Otomo, T. Torin, Y. Kakuya, T. Saito, T. Hanai, T. Matsuno, H. Nishida “The rear flaps and plasma actuator for the drag reduction of bluff bodies” (under review)
  8. S. Otomo, K. Ochi, H. J. Park, Y. Tasaka, Y. Murai, “Wake and lift of a delta wing across a range of angles of attack” (under review)
    9.
  9. N. Omori, A. Nishizawa, A. Hatamoto, S. Otomo, H. Nishida, “Gas heating and flow modofication effects by plasma actuator in forced-convection heat transfer” (accepted in International Journal of Heat and Mass Transfer) | Preprint
  10. S. Otomo, P. Gehlert, H. Babinsky, J. Li, “Vortex force map method to estimate unsteady forces from snapshot flowfield measurements” Experiments in Fluids, 66, 64, DOI:10.1007/s00348-025-03962-w
  11. S. Otomo, S. Gambuzza, Y. Liu, A.M. Young, R. Broglia, E.D. McCarthy, I.M. Viola, "A General Framework for the design of efficient passive pitch systems", 2024, Physics of Fluids, 36, 2: 067122, DOI:10.1063/5.0212626
  12. Y. Murai, S. Otomo, S. Osuka, T. Yamaguchi, “Measurement of 3-D flow structure around densely arranged out-door units of air conditioner”, 2024, Transaction of the JSME (in Japanese), 90, 933, DOI: 10.1299/transjsme.24-00035
  13. J.M. Maguire, D. Mamalis, S. Otomo, E.D. McCarthy, “Passively morphing trailing edge design for composite tidal turbine blades”, 2024, Composite Structures, 337, 118090, DOI: 10.1016/j.compstruct.2024.118090
  14. S. Otomo*, P. Denissenko, Y. Tasaka, Y. Murai, “On the rotation of a Savonius turbine in high turbulence with Kolmogorov cascade”, 2024, Physics of Fluids, 36, 2: 027104, DOI:10.1063/5.0180939 | Accepted Manuscript
  15. H. J. Bird, K. K. Ramesh, S. Otomo, I. M. Viola, “The usefulness of inviscid linear unsteady lifting-line theory for viscous large-amplitude problems”, 2022, AIAA Journal, 60, 2, DOI:10.2514/1.J060808 | arXiv
  16. S. Otomo, S. Henne, K. Mulleners, K. Ramesh, I. M. Viola, “Unsteady lift on a high-amplitude pitching aerofoil”, 2021, Experiments in Fluids, 62, 6, DOI: 10.1007/s00348-020-03095-2
  17. L. Bandiera, G. Pavar, G. Pisetta, S. Otomo, E. Mangano, J. R. Seckl, P. Digard, E. Molinari, F. Menolascina, I. M. Viola, “Face Coverings and Respiratory Tract Droplet Dispersion”, Royal Society Open Science, 7: 201663, DOI: 10.1098/rsos.201663

Conference proceedings (selected)

  1. S. Gambuzza, S. Otomo, Y. Liu, A. M. Young, R. Broglia, E. D. McCarthy and I. M. Viola “Design and Demonstration of a Passive Pitch System for Tidal Turbines”, 2023, The 15th European Wave and Tidal Energy Conference (EWTEC), Bilbao, Spain, 03/09/2023 - 07/09/2023, DOI: 10.36688/ewtec-2023-504
  2. Y. Murai, T. Umemura, R. Sayama, Y. Horimoto, H.Y. Park, Y. Tasaka, S. Otomo, “Savonius wind turbine performance in high turbulence and its improvement by jet supply”, International Conference on Power Engineering 2021 (ICOPE-2021), Kobe, Japan, 17/10/2021 – 21/10/2021, DOI: 10.1299/jsmeicope.2021.15.2021-0183
  3. H. J. Bird,K. K. Ramesh, S. Otomo, I. M. Viola, “Leading Edge Vortex Formation on Finite Wings Using Vortex Particles”, 2021 AIAA SciTech Forum, online conference, 11/01/2021 – 15/01/2021, DOI: 10.2514/6.2021-1196
  4. H. J. Bird, S. Otomo, K. K. Ramesh, I. M. Viola, “A Geometrically Non-linear Time-domain Unsteady Lifting-line Theory”, AIAA Scitech 2019 Forum, San Diego, California, 07/01/2019 – 11/01/2019, DOI: 10.2514/6.2019-1377