Abstract
Relations which contain no new empirical turbulence constants are proposed for calculation of the resistance coefficient and the Nusselt number in turbulent flow of structurally viscous fluids.
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Abbreviations
- τ :
-
shear stresses
- ϕ :
-
fluidity of liquid
- y:
-
distance from surface
- v* :
-
dynamic viscosity
- v :
-
kinematic viscosity
- ρ :
-
density
- w:
-
flow velocity of liquid
- ¯w:
-
mean mass flow velocity
- η :
-
dimensionless coordinate
- ζ:
-
resistance coefficient
- R:
-
pipe radius
- D:
-
pipe diameter
- Θ:
-
coefficient of structural stability of liquid
- sb:
-
dimensionless parameter
- ξ=1-y/R:
-
dimensionless coordinate
- (μT:
-
turbulent viscosity
- 0:
-
at τw=0
- 1:
-
at edge of viscous sublayer
- w:
-
at tube wall
References
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Khabakhpasheva, E.M. Skin friction and heat transfer in turbulent flow of structurally viscous fluids. Journal of Engineering Physics 11, 73–75 (1966). https://doi.org/10.1007/BF00831255
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DOI: https://doi.org/10.1007/BF00831255