Unsteady circular tube flow of compressible polymeric liquids subject to pressure-dependent wall slip

2008 ◽  
Vol 52 (2) ◽  
pp. 507-525 ◽  
Author(s):  
H. S. Tang ◽  
Dilhan M. Kalyon
2005 ◽  
Vol 70 (1) ◽  
pp. 73-81 ◽  
Author(s):  
Krittalak Chakrabandhu ◽  
Rakesh K. Singh

2003 ◽  
Vol 437-438 ◽  
pp. 341-344
Author(s):  
K.W. Tan ◽  
Yee Cheong Lam ◽  
X. Chen ◽  
Jan Ma ◽  
K.C. Tam

1980 ◽  
Vol 102 (3) ◽  
pp. 397-401 ◽  
Author(s):  
S. D. Joshi ◽  
A. E. Bergles

An experimental study is reported of heat transfer to laminar flow of two water-methocel pseudoplastic (power law) solutions in a circular tube subjected to a uniform wall heat flux. The object of this study was to evaluate the effects of non-Newtonian behavior and temperature-dependent consistency on heat transfer. The experimental Nusselt numbers are compared with numerical predictions and experimental data. Two correlations are recommended according to the temperature-dependence of the rheological characteristics.


1963 ◽  
Vol 85 (2) ◽  
pp. 111-118 ◽  
Author(s):  
E. M. Sparrow ◽  
V. K. Jonsson ◽  
T. S. Lundgren

The processes of mass and convective-energy transport in free-molecule flow are shown to bear useful similarities with the process of energy transport by thermal radiation. These similarities have been applied as a basis for deriving the mass and energy transfer characteristics for free-molecule flow in a circular tube. The net mass flow through tubes of various length-diameter ratios has been calculated as a function of the pressures and temperatures at the inlet and exit of the tube. A throughflow may occur even if the inlet and exit pressures are the same, provided that a temperature difference exists. For a length-diameter ratio in excess of 45, a fully developed mass flow relation applies. The distribution of the adiabatic wall temperature along the tube length has also been determined as a function of system pressures and temperatures and of the tube dimensions. Rather large variations of adiabatic wall temperature may occur for long tubes. The throughflow of energy shows characteristics similar to the throughflow of mass.


2015 ◽  
Vol 56 (3) ◽  
pp. 328-341 ◽  
Author(s):  
Zhong Ren ◽  
Xingyuan Huang ◽  
Hesheng Liu

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