Publications

S. Pargal, J. Yuan, and S. Moreau. A generalized wall-pressure spectral model for non-equilibrium boundary layers. J. Fluid Mech., 996: A27-1--29, 2024.

A. Caiazzo, S. Pargal, H. Wu, M. Sanjose, J. Yuan, and S. Moreau. On the effect of adverse pressure gradients on wall-pressure statistics in a controlled-diffusion aerofoil turbulent boundary layer. J. Fluid Mech., 960:A17–1—44, 2023.

M. Aghaei-Jouybari, J. Yuan, Z. Li, G. J. Brereton, and F. A. Jaberi. Supersonic turbulent flows over sinusoidal rough walls. J. Fluid Mech., 956:A3–1—27, 2023.

X. Yang, W. Zhang, J. Yuan, and R. F. Kunz. In search of a universal rough wall model. Journal of Fluids Engineering, 145:101302–1—7, 2023.

S. C. Mangavelli and J. Yuan. Effects of form-induced velocity in rough-wall turbulent channel flows. Journal of Turbulence. 1--22, 2022.

M. Aghaei Jouybari, J.-H. Seo, J. Yuan, R. Mittal, and C. Meneveau. Contributions to pressure drag in rough-wall turbulent flows: insights from force partitioning. Phys. Rev. Fluids, 7:084602, 2022.

G. Shen, J. Yuan, and M.S. Phanikumar. Quantifying the effects of bed roughness on transit time distributions via direct numerical simulations of turbulent hyporheic exchange. Water Resour. Res. , 58, e2021WR030503, 2022.

S. Pargal, H. Wu, J. Yuan, and S. Moreau. Adverse-pressure-gradient turbulent boundary layer on convexwall . Phys. Fluids, 34, 035107, 2022.

G. J. Brereton, M. Aghaei Jouybari, and J. Yuan. Towards modeling of turbulent flow over surfaces of arbitrary roughness. Phys. Fluids, 33, 065121, 2021.

S. C. Mangavelli, J. Yuan, and G. J. Brereton. Effects of surface roughness topography in transient channel flows. J. Turbul., 434-460, 2021.

M. Aghaei Jouybari, J. Yuan, G. J. Brereton, and M. S. Murillo. Data-driven prediction of the equivalent sand-grain height in rough-wall turbulent flows. J. Fluid Mech., 912:A8–1—23, 2021.

S. Pargal, J. Yuan, and G. J. Brereton. Impulse response of turbulent flow in smooth and riblet-walled channels to a sudden velocity increase. J. Turbul., pages 1–27, 2021.

Yang, X. Xia, Z. Lee, Lv, Y. and Yuan, J. Mean flow scaling in a spanwise rotating channel. Physical Review Fluids, 5, 074603, 2020.

G. Shen, J. Yuan and M.S. Phanikumar. Direct numerical simulations of turbulence and hyporheic mixing near sediment--water interfaces. J. Fluid Mech. 892:A20-1---30, 2020.

J. Yuan, A. A. Mishra, G. J. Brereton, G. Iaccarino, and M. Vartdal. Single-point structure tensors in turbulent channel flows with smooth and wavy walls. Physics of Fluids, 31, 2019.

M. Aghaei Jouybari, G. Brereton, and J. Yuan. Turbulence structures over realistic and synthetic wall roughness in open channel flow at Reτ = 1000. Journal of Turbulence, 20:723--749, 2019.

W. Wu, U. Piomelli, and J. Yuan. Turbulence statistics in rotating channel flows with rough walls. Int. J. Heat Fluid Flow, 80:108467–1–13, 2019.

J. Yuan and M. Aghaei Jouybari. Topographical effects of roughness on turbulence statistics in roughness sublayer. Phys. Rev. Fluids, 3:114603, 2018.

G. J. Brereton and J. Yuan. Wall-roughness eddy viscosity for Reynolds-Averaged closures. Int. J. Heat Fluid Fl., 73:74–81, 2018.

J. Yuan and U. Piomelli. Numerical simulation of a spatially developing accelerating boundary layer over roughness. J. Fluid Mech., 780:192–214, 2015.

J. Yuan and U. Piomelli. Estimation and prediction of the roughness function on realistic surfaces. J. Turbul., 15:350–365, October 2014.

J. Yuan, J. Nicolle, U. Piomelli, and A.-M. Giroux. Modelling roughness and acceleration effects with application to the flow in a hydraulic turbine. IOP Conf. Series: Earth and Environmental Science, 22:022016, 2014

J. Yuan and U. Piomelli. Roughness effects on the Reynolds stress budgets in near-wall turbulence. J. Fluid Mech., 760:R1, 2014.

J. Yuan and U. Piomelli. Numerical simulations of sink-flow boundary layers over rough surfaces. Phys. Fluids, 26:015113–1—015113–28, 2014.

U. Piomelli and J. Yuan. Numerical simulations of spatially developing, accelerating boundary layers. Phys. Fluids, 25:101304–1—21, 2013.

J. Yuan, M. Gatzek, and S. Pargal. Near-wall characteristics of non-equilibrium turbulent boundary layers on rough walls. In 13th International Symposium on Turbulence and Shear Flow Phenomena (TSFP13), Montreal, Canada, 2024.

G. Shen, J. Yuan, and M. S. Phanikumar. Direct numerical simulations of hyporheic exchange induced by rough bedforms. In Proceedings of 12th International Symposium of Turbulence and Shear Flow Phenomena (TSFP-12), Osaka, Japan, July 2022.

G. J. Brereton, J. Yuan, and M. Aghaei-Jouybari. Surface body-force model for turbulent flow over rough walls. In 34th Symposium on Naval Hydrodynamics, July 2022.

S. Pargal, H. Wu, J. Yuan, and S. Moreau. Non-equilibrium turbulent boundary layer with adverse pressure gradient and convex wall curvature. In CFD Society of Canada Conference, 2021.

M. Aghaei Jouybari, J. Yuan, and G. J. Brereton. DNS data driven modeling of turbulent flows over rough walls. In 33rd Symposium on Naval Hydrodynamics, Osaka, Japan, October 18-23, 2020.

J. Yuan and G. J. Brereton. Effect of fractal-like surface roughness on fully developed channel flow. In Proceedings of TSFP-11, 2019.

J. Yuan, G. J. Brereton, G. Iaccarino, A. A. Mishra, and M. Vartdal. Single-point structure tensors in rough-wall turbulent channel flow. In Proceedings of the 2018 CTR Summer Program, 2018

 U. Piomelli, W. Wu, and J. Yuan. Effect of roughness on wall-bounded flows subjected to spanwise rotation. In Proc. 12th Int. ERCOFTAC Symp. Eng. Turbulence Modelling and Measurements - ETMM12, 2018.

J. Yuan. Effects of surface roughness topography in developed and transient channel flows. In Proceedings of TSFP-10, volume 4, Chicago, 2017.