Mathematical Modeling of the Turbulent Boundary Layer with Injection of Polymer Additives

2012 ◽  
pp. 571-586
Author(s):  
Viktor V. Babenko ◽  
Ho Hwan Chun ◽  
Inwon Lee
Keyword(s):  
Mathematical Modeling ◽  
Boundary Layer ◽  
Turbulent Boundary Layer ◽  
Polymer Additives

Effect of polymer additives on a three-dimensional turbulent boundary layer

1987 ◽  
Vol 52 (3) ◽  
pp. 265-269
Author(s):  
V. B. Amfilokhiev ◽  
V. V. Droblenkov ◽  
G. I. Kanevskii
Keyword(s):  
Boundary Layer ◽  
Turbulent Boundary Layer ◽  
Three Dimensional ◽  
Polymer Additives

scholarly journals INTENSIFIED HEAT EXCHANGE AT THE TURBULENT CURRENT IN PIPES WITH TURBULIZERS WITH THE APPLICATION OF THE FOUR-LAYER MODEL OF THE TURBULENT BORDER LAYER DEPENDING ON THE NUMBER PRANDTLE

2018 ◽  
Vol 1 (12) ◽  
pp. 76-81
Author(s):  
Igor' Lobanov
Keyword(s):  
Mathematical Modeling ◽  
Heat Transfer ◽  
Boundary Layer ◽  
Heat Exchange ◽  
Turbulent Boundary Layer ◽  
Prandtl Number ◽  
Layer Model ◽  
Fourth Degree ◽  
Proportionality Coefficient ◽  
Prandtl Numbers

The main aspects of mathematical modeling of intensified heat transfer in turbulent flow in pipes with turbulators with the use of a four-layer model of a turbulent boundary layer are analyzed in the article, depending on the Prandtl number. The advantage of the law of the "fourth" degree is shown for large Prandtl numbers for the calculation of heat transfer in tubes with turbulators; It is shown that for tubes with turbulators the proportionality coefficient in this law is much higher than in smooth tubes, which indicates an increased level of turbulence in them at the boundary of the viscous and buffer sublayers. The results of calculating heat transfer for large Prandtl numbers have shown that the relative heat exchange with increasing Prandtl number increases rather insignificantly, especially after Pr>102; after Pr>103 it almost stabilizes

Diffusion of Polymer Additives in a Developing Turbulent Boundary Layer

1976 ◽  
Vol 10 (4) ◽  
pp. 135-139 ◽  
Author(s):  
Brian Latto ◽  
Ossama K. F. El Riedy
Keyword(s):  
Boundary Layer ◽  
Turbulent Boundary Layer ◽  
Polymer Additives
Sign in / Sign up

Export Citation Format

Share Document