Frictional drag reduction by bubble injection
Y Murai - Experiments in fluids, 2014 - Springer
The injection of gas bubbles into a turbulent boundary layer of a liquid phase has multiple
different impacts on the original flow structure. Frictional drag reduction is a phenomenon …
different impacts on the original flow structure. Frictional drag reduction is a phenomenon …
X-ray flow visualization in multiphase flows
A Aliseda, TJ Heindel - Annual Review of Fluid Mechanics, 2021 - annualreviews.org
The use of X-ray flow visualization has brought a powerful new tool to the study of
multiphase flows. Penetrating radiation can probe the spatial concentration of the different …
multiphase flows. Penetrating radiation can probe the spatial concentration of the different …
Bubbly shock propagation as a mechanism for sheet-to-cloud transition of partial cavities
Partial cavitation in the separated region forming from the apex of a wedge is examined to
reveal the flow mechanism responsible for the transition from stable sheet cavity to …
reveal the flow mechanism responsible for the transition from stable sheet cavity to …
High-speed x-ray phase-contrast imaging of single cavitation bubbles near a solid boundary
Laser-induced cavitation bubble dynamics at different distances from a rigid boundary is
investigated using high-speed synchrotron x-ray phase-contrast imaging. This is achieved …
investigated using high-speed synchrotron x-ray phase-contrast imaging. This is achieved …
Measurement in opaque flows: a review of measurement techniques for dispersed multiphase flows
C Poelma - Acta Mechanica, 2020 - Springer
A review is presented of measurement techniques to characterise dispersed multiphase
flows, which are not accessible by means of conventional optical techniques. The main …
flows, which are not accessible by means of conventional optical techniques. The main …
LES investigation on cavitating flow structures and loads of water-exiting submerged vehicles using a uniform filter of octree-based grids
Y Chen, J Li, Z Gong, X Chen, C Lu - Ocean Engineering, 2021 - Elsevier
The water-exit course of a submerged vehicle launched underwater that moves into the
atmosphere is one of the most important considerations in naval applications. In the present …
atmosphere is one of the most important considerations in naval applications. In the present …
[HTML][HTML] Mechanism and dynamics of hydrodynamic-acoustic cavitation (HAC)
P Wu, L Bai, W Lin, X Wang - Ultrasonics sonochemistry, 2018 - Elsevier
Bubble clusters in hydrodynamic cavitation, acoustic cavitation and hydrodynamic-acoustic
cavitation (HAC) are investigated via high-speed photography. By introducing a cavitation …
cavitation (HAC) are investigated via high-speed photography. By introducing a cavitation …
[HTML][HTML] Research progresses and prospects of unsteady hydrodynamics characteristics for cavitation
Cavitation is an important kind of complex multiphase flow with strong three-dimensional
characteristic and high unsteadiness, which frequently occurred in a wide range of fluid …
characteristic and high unsteadiness, which frequently occurred in a wide range of fluid …
Partial cavity shedding on a hydrofoil resulting from re-entrant flow and bubbly shock waves
Partial cavity flows forming on a NACA0015 hydrofoil are visualized using high-speed
cinematography and time-resolved X-ray densitometry. These observations reveal the …
cinematography and time-resolved X-ray densitometry. These observations reveal the …
Multimodal partial cavity shedding on a two-dimensional hydrofoil and its relation to the presence of bubbly shocks
The shedding dynamics of partial cavitation forming on a NACA0015 hydrofoil is known from
the previous studies to be multimodal, exhibiting abrupt changes in Strouhal number as the …
the previous studies to be multimodal, exhibiting abrupt changes in Strouhal number as the …