scholarly journals An analytical solution for steady flow of a Quemada fluid in a circular tube

1993 ◽  
Vol 32 (4) ◽  
pp. 422-426 ◽  
Author(s):  
A. S. Popel ◽  
G. Enden
Keyword(s):  
Analytical Solution ◽  
Steady Flow ◽  
Circular Tube

Analytical solution for a steady flow of enclosed rotating disks

1994 ◽  
Vol 45 (4) ◽  
pp. 670-680 ◽  
Author(s):  
A. Khalili ◽  
H. J. Rath
Keyword(s):  
Analytical Solution ◽  
Steady Flow ◽  
Rotating Disks

An Analytical Solution for Steady Flow into a Ttonnel

Ground Water ◽  
1999 ◽  
Vol 37 (1) ◽  
pp. 23-26 ◽  
Author(s):  
Shizhong Lei
Keyword(s):  
Analytical Solution ◽  
Steady Flow

Temperature Variation in a Circulating Wellbore Fluid

1990 ◽  
Vol 112 (2) ◽  
pp. 79-83 ◽  
Author(s):  
F. C. Arnold
Keyword(s):  
Analytical Solution ◽  
Differential Equations ◽  
Temperature Profile ◽  
Steady Flow ◽  
Temperature Variation ◽  
Parametric Study ◽  
Operating Conditions ◽  
Temperature Measurements ◽  
Transient Conduction

When a fluid is circulated in a wellbore, the temperature profile is determined by the transfer of heat from surrounding formations to the fluid. An analytical solution of the differential equations describing the transfer of heat has been developed. The solution assumes steady flow of heat in the wellbore and is coupled to the transient conduction of heat in the formation. The solution is validated by comparison to temperature measurements from the literature. A parametric study of the sensitivity to operating conditions is included.

Development of a Periodic Flow in a Rigid Tube

1968 ◽  
Vol 90 (3) ◽  
pp. 395-399 ◽  
Author(s):  
P. J. Florio ◽  
W. K. Mueller
Keyword(s):  
Velocity Field ◽  
Analytical Solution ◽  
Axial Velocity ◽  
Circular Tube ◽  
Approximate Analytical Solution ◽  
Experimental Results ◽  
Oscillating Flow ◽  
Periodic Flow ◽  
Mean Flow ◽  
Rigid Tube

The development of a pulsating velocity field in a rigid, circular tube was experimentally investigated. The wall pressure and the radial variation of the axial velocity were measured at several axial locations. The measured inlet velocities were compared with the fully developed velocities. The experimental results show that, for the range of parameters investigated, the developing pulsating flow can be considered to be simply a superposition of a developing mean flow and a fully developed oscillating flow. These results are in agreement with a previous approximate analytical solution by Atabek and Chang.

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