2025
N. J. Wei, A. Y. Fleisher, J. W. Kurelek, and M. N. Hultmark. "Effects of thrust, tip-speed ratio, and time variations on wind-turbine wakes at high Reynolds numbers." Submitted. [preprint]
2024
N. J. Wei, A. El Makdah, JC Hu, F. Kaiser, D. E. Rival, and J. O. Dabiri. "Wake dynamics of wind turbines in unsteady streamwise flow conditions." Journal of Fluid Mechanics, 1000: A66. (35 pp.) [link]
N. Conlin, H. Even, N. J. Wei, A. Balantrapu, and M. Hultmark. "Lagrangian particle tracking in the atmospheric surface layer." Measurement Science and Technology 35: 095803. (15 pp.) [PDF]
2023
N. J. Wei and O. B. Shende. "Modeling unsteady loads on wind-turbine blade sections from periodic structural oscillations and impinging gusts." [preprint]
M. Gharaati, N. Wei, J. Dabiri, L. Martinez-Tossas, and D. Yang (2023). "Large-eddy simulations of turbulent flows in arrays of helical- and straight-bladed vertical-axis wind turbines." Journal of Renewable and Sustainable Energy 15: 063309. (23 pp.) [link]
N. J. Wei and J. O. Dabiri (2023). "Power-generation enhancements and upstream flow properties of turbines in unsteady flow conditions." Journal of Fluid Mechanics 966: A30. (37 pp.) [link]
2022
N. Wei, A. Haworth, H. Ringenberg, M. Krane, and T. Wei (2022). "Phase-averaged, frequency dependence of jet dynamics in a scaled up vocal fold model with full and incomplete closure." Physical Review Fluids 7(12) 123102. (30 pp.) [link]
M. Gharaati, S. Xiao, N. Wei, L. Martinez-Tossas, J. Dabiri, and D. Yang (2022). "Large eddy simulation of helical- and straight-bladed vertical axis wind turbines in boundary layer turbulence." Journal of Renewable and Sustainable Energy 14: 053301. (24 pp.) [link]
N. J. Wei and J. O. Dabiri (2022). "Phase-averaged dynamics of a periodically surging wind turbine." Journal of Renewable and Sustainable Energy 14: 013305. (14 pp.) [PDF] [Scilight]
2021
H. Ringenberg, D. Rogers, N. Wei, M. Krane, and T. Wei (2021). "Phase-averaged and cycle-to-cycle analysis of jet dynamics in a scaled up vocal fold model." Journal of Fluid Mechanics 918: A44. (44 pp.) [PDF]
N. J. Wei, I. D. Brownstein, J. L. Cardona, M. F. Howland, and J. O. Dabiri (2021). "Near-wake structure of full-scale vertical-axis wind turbines." Journal of Fluid Mechanics 914: A17. (42 pp.) [PDF]
2019
N. J. Wei, J. Kissing, and C. Tropea (2019). "Generation of periodic gusts with a pitching and plunging airfoil." Experiments in Fluids 60: 166. (20 pp.) [PDF]
N. J. Wei, J. Kissing, T. T. B. Wester, S. Wegt, K. Schiffmann, S. Jakirlic, M. Hölling, J. Peinke, and C. Tropea (2019). "Insights into the periodic gust response of airfoils." Journal of Fluid Mechanics 876: pp. 237-263. [PDF]
I. D. Brownstein, N. J. Wei, and J. O. Dabiri (2019). "Aerodynamically interacting vertical-axis wind turbines: performance enhancement and three-dimensional flow." Energies 12: 2724. (23 pp.) [link]
K. P. Griffin, N. J. Wei, E. Bodenschatz, and G. P. Bewley (2019). "Control of long-range correlations in turbulence." Experiments in Fluids 60: 55. (14 pp.) [PDF]
2018
T. Van Buren, D. Floryan, N. Wei, and A. Smits (2018). "Flow speed has little impact on propulsive characteristics of oscillating foils." Physical Review Fluids 3(1) 013103. (13 pp.) [PDF]
J. Kissing, N. Wei, S. Triess, J. Hofmann, and C. Tropea (2018). "Shear-layer characterization on an unsteady airfoil using time-resolved PIV with a plunging camera." Proceedings of the 19th International Symposium on Applications of Laser and Imaging Techniques to Fluid Mechanics. Lisbon, Portugal, 16-19 July 2018.
N. Wei, J. Kissing, T. Wester, K. Schiffmann, and C. Tropea (2018). "The influence of boundary-layer turbulence on gust-response transfer functions." Proceedings of the 5th International Conference on Experimental Fluid Mechanics. Munich, Germany, 2-4 July 2018.
2016
K. Griffin, N. Wei, M. Hultmark, E. Bodenschatz, and G. Bewley (2016). "Correlated forcing with an active grid to control turbulence." Proceedings of the 24th International Congress of Theoretical and Applied Mechanics. Montreal, QC, 21-26 August 2016, PO.FM14-1.10.183.