Journal Publications

2024

N. Conlin, H. Even, N. J. Wei, A. Balantrapu, and M. Hultmark. "Lagrangian particle tracking in the atmospheric surface layer." Submitted.

N. J. Wei and O. B. Shende. "Modeling unsteady loads on wind-turbine blade sections from periodic structural oscillations and impinging gusts." Submitted. [preprint]


2023

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]

Refereed Conference Papers and Presentations

2018

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.

Additional Presentations

2023

N. Wei, A. El Makdah, JC Hu, F. Kaiser, D. Rival, and J. Dabiri (2023). "Power-generation enhancements in floating offshore wind turbines undergoing axial surge motions." 1st Annual New Jersey Offshore Wind Technology Conference. Newark, NJ, 6-7 December 2023.

N. Wei, A. El Makdah, JC Hu, F. Kaiser, D. Rival, and J. Dabiri (2023). "Unsteady flows can help turbines surge ahead in power production." 76th Annual Meeting of the APS Division of Fluid Dynamics. Washington, DC, 19-21 November 2023, R04.06.

N. Yoder, N. Wei, and J. Dabiri (2023). "Unsteady flow effects on surging hydrokinetic turbines." 76th Annual Meeting of the APS Division of Fluid Dynamics. Washington, DC, 19-21 November 2023, T24.07.

T. Wei, A. Haworth, N. Wei, H. Ringenberg, and M. Krane (2023). "Phase-averaged analysis of jet dynamics in a scaled up vocal fold model with asymmetric motions." 76th Annual Meeting of the APS Division of Fluid Dynamics. Washington, DC, 19-21 November 2023, R14.04.


2022

N. Wei, A. El Makdah, JC Hu, F. Kaiser, D. Rival, and J. Dabiri (2022). "Realizing the potential of periodically surging turbines for increased power production." 75th Annual Meeting of the APS Division of Fluid Dynamics. Indianapolis, IN, 20-22 November 2022, L03.09.

T. Wei, N. Wei, A. Haworth, H. Ringenberg, and M. Krane (2022). "Frequency dependence of glottal jet dynamics with full and incomplete closure." 75th Annual Meeting of the APS Division of Fluid Dynamics. Indianapolis, IN, 20-22 November 2022, A07.07.

N. Wei and J. Dabiri (2022). "The Influence of Wave-Induced Surge Oscillations on the Power Production of Floating Offshore Wind Turbines." Ocean Sciences Meeting. Virtual, 28 February - 4 March 2022, Session OP04.


2021

N. Wei and J. Dabiri (2021). "Why the Long Phase? Disambiguating the Dynamics of a Periodically Surging Wind Turbine." 74th Annual Meeting of the APS Division of Fluid Dynamics. Phoenix, AZ, 21-23 November 2021, T27.04.

N. Wei and J. Dabiri (2021). "Unsteady streamwise motion: A Betz guess at improving the efficiency of wind turbines." SoCal Fluids XIV. Virtual, 10 April 2021, B3.3.

N. Wei and J. Dabiri (2021). "Unsteady streamwise motion: A Betz guess at improving the efficiency of wind turbines." Remote Colloquium on Vortex Dominated Flows. Virtual, 2 April 2021, S02.


2020

N. Wei and J. Dabiri (2020). "Placing Betz on the Improvement of Wind-Turbine Efficiencies through Unsteady Streamwise Motion." 73rd Annual Meeting of the APS Division of Fluid Dynamics. Virtual, 22-24 November 2020, W05.03.

A. Haworth, N. Wei, H. Ringenberg, D. Rogers, M. Krane, and T. Wei (2020). "Jet dynamics in a scaled up vocal fold model with incomplete glottal closure." 73rd Annual Meeting of the APS Division of Fluid Dynamics. Virtual, 22-24 November 2020, H03.01.


2019

N. Wei, I. Brownstein, J. Cardona, M. Howland, and J. Dabiri (2019). "A Wake in the Middle of the Night: 3D-PTV Measurements around Full-Scale Vertical-Axis Wind Turbines." 72nd Annual Meeting of the APS Division of Fluid Dynamics. Seattle, WA, 23-26 November 2019, Q14.06.

T. Wei, H. Ringenberg, N. Wei, D. Rogers, F. Yu, L. Zhang, and M. Krane (2019). "Control volume analysis of phonatory aerodynamics using velocity and pressure measurements." 72nd Annual Meeting of the APS Division of Fluid Dynamics. Seattle, WA, 23-26 November 2019, C29.01.


2018

T. Wei, D. Rogers, H. Ringenberg, N. Wei, and M. Krane (2018). "Pressure-velocity correlations in a scaled-up vocal fold model–divergent cases." 71st Annual Meeting of the APS Division of Fluid Dynamics. Atlanta, GA, 18-20 November 2018, F19.02.


2017

D. Rogers, N. Wei, H. Ringenberg, M. Krane, and T. Wei (2017). "Examining diseased states in a scaled-up vocal fold model using simultaneous temporally resolved DPIV and pressure measurements." 70th Annual Meeting of the APS Division of Fluid Dynamics. Denver, CO, 19-21 November 2017, Q4.05.

H. Ringenberg, D. Rogers, N. Wei, M. Krane, and T. Wei (2017). ``Simultaneous temporally resolved DPIV and pressure measurements of symmetric oscillations in a scaled-up vocal fold model." 70th Annual Meeting of the APS Division of Fluid Dynamics. Denver, CO, 19-21 November 2017, Q4.04.


2016

N. Wei, D. Floryan, T. Van Buren, and A. J. Smits (2016). "Cyber-physical experiments on the efficiency of swimming protocols." 69th Annual Meeting of the APS Division of Fluid Dynamics. Portland, OR, 20-22 November 2016, H19.04.

N. Wei, D. Floryan, T. Van Buren, and A. J. Smits (2016). "Cyber-physical experiments with a bio-inspired propulsion system." ONR MURI Review Meeting, Program Manager: Bob Brizzolara. Princeton, NJ, 29-30 September 2016.