Review of micro-bubble ship resistance reduction methods and the mechanisms that affect the skin friction on drag reduction from 1999 to 2015

A Hashim, OB Yaakob, KK Koh, N Ismail… - Jurnal …, 2015 - journals.utm.my
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 …

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 …

Volume displacement effects during bubble entrainment in a travelling vortex ring

AJ Cihonski, JR Finn, SV Apte - Journal of Fluid Mechanics, 2013 - cambridge.org
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 …

Wall shear stress modified by bubbles in a horizontal channel flow of silicone oil in the transition region

Y Oishi, Y Murai, Y Tasaka - International journal of heat and fluid flow, 2020 - Elsevier
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 …

Direct numerical simulation of a turbulent boundary layer up to Reθ= 2500

JH Lee, HJ Sung - International journal of heat and fluid flow, 2011 - Elsevier
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 …

[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 …

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 …

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 …

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 …

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 …