A new method for extracting spanwise vortex from 2D particle image velocimetry data in open-channel flow

Adrian, R.J., Marusic, I., 2012. Coherent structures in flow over hydraulic engineering surfaces. Journal of Hydraulic Research, 50, 451–464.10.1080/00221686.2012.729540Search in Google Scholar

Adrian, R.J., Meinhart, C.D., Tomkins, C.D., 2000. Vortex organization in the outer region of the turbulent boundary layer. Journal of Fluid Mechanics, 422, 1–54.10.1017/S0022112000001580Search in Google Scholar

Baidya, R., Philip, J., Hutchins, N., Monty, J.P., Marusic, I., 2017. Distance-from-the-wall scaling of turbulent motions in wall-bounded flows. Physics of Fluids, 29, 020712.10.1063/1.4974354Search in Google Scholar

Cao, L.K., Li, D.X., Chen, H., Liu, C.J., 2017. Spatial relationship between energy dissipation and vortex tubes in channel flow. Journal of Hydrodynamics, 29, 575–585.10.1016/S1001-6058(16)60770-9Search in Google Scholar

Carlier, J., Stanislas, M., 2005. Experimental study of eddy structures in a turbulent boundary layer using particle image velocimetry. Journal of Fluid Mechanics, 535, 143–188.10.1017/S0022112005004751Search in Google Scholar

Chen, Q.G., Li, D.X., Zhong, Q., Wang, X.K., 2013. Analysis of vortex structure in open channel turbulence based on model matching. Advances in Water Science, 24, 95–102. (In Chinese.)Search in Google Scholar

Chen, Q.G., Adrian, R.J., Zhong, Q., Li, D.X., Wang, X.K., 2014a. Experimental study on the role of spanwise vorticity and vortex filaments in the outer region of open-channel flow. Journal of Hydraulic Research, 52, 476–489.10.1080/00221686.2014.919965Search in Google Scholar

Chen, Q.G., Zhong, Q., Wang, X.K., Li, D.X., 2014b. An improved swirling-strength criterion for identifying spanwise vortices in wall turbulence. Journal of Turbulence, 15, 71–87.10.1080/14685248.2014.881488Search in Google Scholar

Chong, M.S., Perry, A.E., Cantwell, B.J., 1990. A general classification of three-dimensional flow fields. Physics of Fluids A, 2, 765–777.10.1063/1.857730Search in Google Scholar

Cucitore, R., Quadrio, M., Baron, A., 1999. On the effectiveness and limitations of local criteria for the identification of a vortex. European Journal of Mechanics, B/Fluids, 18, 261–282.10.1016/S0997-7546(99)80026-0Search in Google Scholar

Dong, X., Wang, Y., Chen, X., Dong, Y., 2018. Determination of epsilon for Omega vortex identification method. Journal of Hydrodynamics, 30, 541–548.10.1007/s42241-018-0066-xSearch in Google Scholar

Dong, Y., Yan, Y., Liu, C., 2016. New visualization method for vortex structure in turbulence by lambda2 and vortex filaments. Applied Mathematical Modelling, 40, 500–509.10.1016/j.apm.2015.04.059Search in Google Scholar

Epps, B., 2017. Review of Vortex Identification Methods. In: 55th AIAA Aerospace Sciences Meeting. American Institute of Aeronautics and Astronautics, Texas, p. 0989.10.2514/6.2017-0989Search in Google Scholar

Gao, Q., Ortiz-Dueñs, C., Longmire, E.K., 2011. Analysis of vortex populations in turbulent wall-bounded flows. Journal of Fluid Mechanics, 678, 87–123.10.1017/jfm.2011.101Search in Google Scholar

Hunt, J.C.R., Wray, A.A., Moin, P., 1988. Eddies, streams, and convergence zones in turbulent flows. In: Center for Turbulence Research Report, pp. 193–208.Search in Google Scholar

Hurther, D., Lemmin, U., Terray, E.A., 2007. Turbulent transport in the outer region of rough-wall open-channel flows: The contribution of large coherent shear stress structures (LC3S). Journal of Fluid Mechanics, 574, 465–493.10.1017/S0022112006004216Search in Google Scholar

Jeong, J., Hussain, F., 1995. On the identification of a vortex. Journal of Fluid Mechanics, 285, 69–94.10.1017/S0022112095000462Search in Google Scholar

Jiménez, J., 2018. Coherent structures in wall-bounded turbulence. Journal of Fluid Mechanics, 842, P1.10.1017/jfm.2018.144Search in Google Scholar

Kolář, V., 2007. Vortex identification: New requirements and limitations. International Journal of Heat and Fluid Flow, 28, 638–652.10.1016/j.ijheatfluidflow.2007.03.004Search in Google Scholar

Kolář, V., 2010. A note on integral vortex strength. Journal of Hydrology and Hydromechanics, 58, 23–28.10.2478/v10098-010-0003-3Search in Google Scholar

Komori, S., Murakami, Y., Ueda, H., 1989. The relationship between surface-renewal and bursting motions in an open-channel flow. Journal of Fluid Mechanics, 203, 103–123.10.1017/S0022112089001394Search in Google Scholar

Liu, C.Q., Wang, Y.Q., Yang, Y., Duan, Z.W., 2016. New omega vortex identification method. Science China: Physics, Mechanics and Astronomy, 59, 684711.10.1007/s11433-016-0022-6Search in Google Scholar

Natrajan, V.K., Wu, Y., Christensen, K.T., 2007. Spatial signatures of retrograde spanwise vortices in wall turbulence. Journal of Fluid Mechanics, 574, 155–167.10.1017/S0022112006003788Search in Google Scholar

Nezu, I., Sanjou, M., 2011. PIV and PTV measurements in hydro-sciences with focus on turbulent open-channel flows. Journal of Hydro-Environment Research, 5, 215–230.10.1016/j.jher.2011.05.004Search in Google Scholar

Robinson, S.K., 1991. Coherent motions in the turbulent boundary layer. Annual Review of Fluid Mechanics, 23, 601–639.10.1146/annurev.fl.23.010191.003125Search in Google Scholar

Roussinova, V., Shinneeb, A.-M., Balachandar, R., 2010. Investigation of fluid structures in a smooth open-channel flow using proper orthogonal decomposition. Journal of Hydraulic Engineering, 136, 143–154.10.1061/(ASCE)HY.1943-7900.0000155Search in Google Scholar

Singha, A., Balachandar, R., 2011. Coherent structure statistics in the wake of a sharp-edged bluff body placed vertically in a shallow channel. Fluid Dynamics Research, 43, 055504.10.1088/0169-5983/43/5/055504Search in Google Scholar

Stanislas, M., Perret, L., Foucaut, J.M., 2008. Vortical structures in the turbulent boundary layer: A possible route to a universal representation. Journal of Fluid Mechanics, 602, 327–382.10.1017/S0022112008000803Search in Google Scholar

Wu, Y., Christensen, K.T., 2006. Population trends of spanwise vortices in wall turbulence. Journal of Fluid Mechanics, 568, 55–76.10.1017/S002211200600259XSearch in Google Scholar

Yang, S.F., Zhang, P., Hu, J., Li, W.J., Chen, Y., 2016. Distribution and motion characteristics of Q-events for open-channel uniform flow. Advances in Water Science, 27, 430–438. (In Chinese.)Search in Google Scholar

Zhang, P., Yang, S.F., Hu, J., Chen, Y., Xin, Y., 2015. Distribution of motion scales of vortices in turbulent open channel flow. Advances in Water Science, 26, 91–98. (In Chinese.)Search in Google Scholar

Zhang, Y., Qiu, X., Chen, F., Liu, K., 2018. A selected review of vortex identification methods with applications. Journal of Hydrodynamics, 30, 767–779.10.1007/s42241-018-0112-8Search in Google Scholar

Zhong, Q., Li, D.X., Chen, Q.G., Wang, X.K., 2015. Coherent structures and their interactions in smooth open channel flows. Environmental Fluid Mechanics, 15, 653–672.10.1007/s10652-014-9390-zSearch in Google Scholar

Zhong, Q., Chen, Q.G., Wang, H., Li, D.X., Wang, X.K., 2016. Statistical analysis of turbulent super-streamwise vortices based on observations of streaky structures near the free surface in the smooth open channel flow. Water Resources Research, 52, 3563–3578.10.1002/2015WR017728Search in Google Scholar

Zhong, Q., Chen, Q., Chen, H., Li, D.X., 2017. A topological method for vortex identification in turbulent flows. Fluid Dynamics Research, 49, 015509.10.1088/1873-7005/49/1/015509Search in Google Scholar

Zhou, J., Adrian, R.J., Balachandar, S., Kendall, T.M., 1999. Mechanisms for generating coherent packets of hairpin vortices in channel flow. Journal of Fluid Mechanics, 387, 353–396.10.1017/S002211209900467XSearch in Google Scholar