scholarly journals Particle trapping in three-dimensional fully developed turbulence

2005 ◽  
Vol 17 (2) ◽  
pp. 021701 ◽  
Author(s):  
L. Biferale ◽  
G. Boffetta ◽  
A. Celani ◽  
A. Lanotte ◽  
F. Toschi
Keyword(s):  
Three Dimensional ◽  
Particle Trapping ◽  
Fully Developed Turbulence ◽  
Developed Turbulence

Non-extensive statistics and three-dimensional fully developed turbulence

2001 ◽  
Vol 295 (1-2) ◽  
pp. 250-253 ◽  
Author(s):  
Fernando M. Ramos ◽  
Reinaldo R. Rosa ◽  
Camilo Rodrigues Neto ◽  
Mauricio J.A. Bolzan ◽  
Leonardo D.Abreu Sá ◽  
...  
Keyword(s):  
Three Dimensional ◽  
Fully Developed Turbulence ◽  
Developed Turbulence

scholarly journals Inversion formula of multifractal energy dissipation in three-dimensional fully developed turbulence

2006 ◽  
Vol 73 (5) ◽  
Author(s):  
Jian-Liang Xu ◽  
Wei-Xing Zhou ◽  
Hai-Feng Liu ◽  
Xin Gong ◽  
Fu-Cheng Wang ◽  
...  
Keyword(s):  
Energy Dissipation ◽  
Inversion Formula ◽  
Three Dimensional ◽  
Fully Developed Turbulence ◽  
Developed Turbulence

scholarly journals Numerical Investigation of Turbulence Models for a Superlaminar Journal Bearing

2018 ◽  
Vol 2018 ◽  
pp. 1-14 ◽  
Author(s):  
Aoshuang Ding ◽  
Xiaodong Ren ◽  
Xuesong Li ◽  
Chunwei Gu
Keyword(s):  
Experimental Data ◽  
Buffer Layer ◽  
Journal Bearing ◽  
Profile Analysis ◽  
Three Dimensional ◽  
Turbulence Models ◽  
Fully Developed Turbulence ◽  
Developed Turbulence ◽  
Sst Model ◽  
Oil Flow

With rotating machineries working at high speeds, oil flow in bearings becomes superlaminar. Under superlaminar conditions, flow exhibits between laminar and fully developed turbulence. In this study, superlaminar oil flow in an oil-lubricated tilting-pad journal bearing is analyzed through computational fluid dynamics (CFD). A three-dimensional bearing model is established. CFD results from the laminar model and 14 turbulence models are compared with experimental findings. The laminar simulation results of pad-side pressure are inconsistent with the experimental data. Thus, the turbulence effects on superlaminar flow should be considered. The simulated temperature and pressure distributions from the classical fully developed turbulence models cannot correctly fit the experimental data. As such, turbulence models should be corrected for superlaminar flow. However, several corrections, such as transition correction, are unsuitable. Among all the flow models, the SST model with low-Re correction exhibits the best pressure distribution and turbulence viscosity ratio. Velocity profile analysis confirms that a buffer layer plays an important role in the superlaminar boundary layer. Classical fully developed turbulence models cannot accurately predict the buffer layer, but this problem can be resolved by initiating an appropriate low-Re correction. Therefore, the SST model with low-Re correction yields suitable results for superlaminar flows in bearings.

Observation of Intense Filaments in Fully Developed Turbulence

1996 ◽  
Vol 6 (4) ◽  
pp. 573-583 ◽  
Author(s):  
F. Belin ◽  
J. Maurer ◽  
P. Tabeling ◽  
H. Willaime
Keyword(s):  
Fully Developed Turbulence ◽  
Developed Turbulence

Fully Developed Turbulence: A Unifying Point of View

1995 ◽  
Vol 5 (7) ◽  
pp. 895-899 ◽  
Author(s):  
B. Castaing ◽  
B. Dubrulle
Keyword(s):  
Point Of View ◽  
Fully Developed Turbulence ◽  
Developed Turbulence

scholarly journals Lagrangian irreversibility and Eulerian dissipation in fully developed turbulence

2020 ◽  
Vol 5 (4) ◽  
Author(s):  
Jason R. Picardo ◽  
Akshay Bhatnagar ◽  
Samriddhi Sankar Ray
Keyword(s):  
Fully Developed Turbulence ◽  
Developed Turbulence
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