M
Mogeng Li
Researcher at University of Melbourne
Publications - 16
Citations - 166
Mogeng Li is an academic researcher from University of Melbourne. The author has contributed to research in topics: Turbulence & Boundary layer. The author has an hindex of 4, co-authored 13 publications receiving 58 citations. Previous affiliations of Mogeng Li include Max Planck Society & University of Twente.
Papers
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Journal ArticleDOI
Growth of respiratory droplets in cold and humid air
Chong Shen Ng,Chong Shen Ng,Kai Leong Chong,Kai Leong Chong,Rui Yang,Rui Yang,Mogeng Li,Mogeng Li,Roberto Verzicco,Detlef Lohse,Detlef Lohse +10 more
TL;DR: In this paper, the authors employ direct numerical simulations (DNS) of a turbulent respiratory vapor puff and account for the mass and temperature exchange with respiratory droplets and aerosols, and investigate how droplets respond to different ambient temperatures and relative humidity (RH) by tracking their Lagrangian statistics.
Journal ArticleDOI
Recovery of wall-shear stress to equilibrium flow conditions after a rough-to-smooth step change in turbulent boundary layers
Mogeng Li,Charitha de Silva,Amirreza Rouhi,R. Baidya,Daniel Chung,Ivan Marusic,Nicholas Hutchins +6 more
TL;DR: In this article, the authors examined the recovery of the wall-shear stress of a turbulent boundary layer that has undergone a sudden transition from a rough to a smooth surface and found that the viscous region (z+4 ) recovers almost immediately to an equilibrium state with the new wall conditions; however, the buffer region and beyond takes several boundary layer thicknesses before recovering to equilibrium conditions, which is longer than previously thought.
Posted ContentDOI
Growth of respiratory droplets in cold and humid air
Chong Shen Ng,Kai Leong Chong,Rui Yang,Mogeng Li,Roberto Verzicco,Roberto Verzicco,Detlef Lohse,Detlef Lohse +7 more
TL;DR: This work reveals that in cold and humid environments, as there the respiratory puff is supersaturated, expelled droplets can first experience significant growth, and only later followed by shrinkage, in contrast to the monotonic shrinkage of droplets as expected from the classical view by William F. Wells (1934).
Journal ArticleDOI
Experimental study of flow around polygonal cylinders
TL;DR: In this article, the wake of polygonal cylinders with side number N = 2∼∞N=2∼ ∞ is systematically studied based on fluid force, hot-wire, particle image velocimetry and flow visualisation measurements.