Review of micro-bubble ship resistance reduction methods and the mechanisms that affect the skin friction on drag reduction from 1999 to 2015
In order to lower down the fuel consumption and to achieve higher speed of ship, reduction
in ship resistance has been the major topic of research for a long time. The most important …
in ship resistance has been the major topic of research for a long time. The most important …
Numerical study on modulation of microbubbles on turbulence frictional drag in a horizontal channel
MJ Pang, JJ Wei, B Yu - Ocean Engineering, 2014 - Elsevier
Although many investigations on the drag reduction by microbubbles have been conducted,
a general mechanism guiding the design of the drag reduction system has not been …
a general mechanism guiding the design of the drag reduction system has not been …
Volume displacement effects during bubble entrainment in a travelling vortex ring
When a few bubbles are entrained in a travelling vortex ring, it has been shown that, even at
extremely low volume loadings, their presence can significantly affect the structure of the …
extremely low volume loadings, their presence can significantly affect the structure of the …
Wall shear stress modified by bubbles in a horizontal channel flow of silicone oil in the transition region
We performed laboratory experiments on bubbly channel flows using silicone oil, which has
a low surface tension and clean interface to bubbles, as a test fluid to evaluate the wall …
a low surface tension and clean interface to bubbles, as a test fluid to evaluate the wall …
Direct numerical simulation of a turbulent boundary layer up to Reθ= 2500
Direct numerical simulations (DNSs) of a turbulent boundary layer (TBL) with Reθ= 570–
2560 were performed to investigate the spatial development of its turbulence characteristics …
2560 were performed to investigate the spatial development of its turbulence characteristics …
[HTML][HTML] Large Eddy simulation of microbubble drag reduction in fully developed turbulent boundary layers
T Wang, T Sun, C Wang, C Xu, Y Wei - Journal of Marine Science and …, 2020 - mdpi.com
Microbubble drag reduction has good application prospects. It operates by injecting a large
number of bubbles with tiny diameters into a turbulent boundary layer. However, its …
number of bubbles with tiny diameters into a turbulent boundary layer. However, its …
On viscoelastic cavitating flows: A numerical study
H Naseri, P Koukouvinis, I Malgarinos, M Gavaises - Physics of Fluids, 2018 - pubs.aip.org
The effect of viscoelasticity on turbulent cavitating flow inside a nozzle is simulated for Phan-
Thien-Tanner (PTT) fluids. Two different flow configurations are used to show the effect of …
Thien-Tanner (PTT) fluids. Two different flow configurations are used to show the effect of …
Direct numerical simulation of a zero-pressure-gradient turbulent boundary layer with passive scalars up to Prandtl number Pr= 6
AG Balasubramanian, L Guastoni… - Journal of Fluid …, 2023 - cambridge.org
The objective of the present study is to provide a numerical database of thermal boundary
layers and to contribute to the understanding of the dynamics of passive scalars at different …
layers and to contribute to the understanding of the dynamics of passive scalars at different …
On the effects of microbubbles on Taylor–Green vortex flow
A Ferrante, SE Elghobashi - Journal of Fluid Mechanics, 2007 - cambridge.org
The paper describes a numerical study of the effects of microbubbles on the vorticity
dynamics in a Taylor–Green vortex flow (TGV) using the two-fluid approach. The results …
dynamics in a Taylor–Green vortex flow (TGV) using the two-fluid approach. The results …
LES of an inclined sonic jet into a turbulent crossflow at Mach 3.6
A Ferrante, G Matheou, PE Dimotakis - Journal of Turbulence, 2011 - Taylor & Francis
We have performed large-eddy simulation with subgrid scale (LES-SGS) stretched-vortex
model of an inclined sonic jet into a supersonic crossflow at Mach 3.6. The main flow …
model of an inclined sonic jet into a supersonic crossflow at Mach 3.6. The main flow …