Developing Flow of Gas-Particle Mixtures in Vertical Ducts

1997 ◽  
Vol 36 (8) ◽  
pp. 3375-3390 ◽  
Author(s):  
Sanjay Dasgupta ◽  
Roy Jackson ◽  
Sankaran Sundaresan
Keyword(s):  
Developing Flow

Thermally developing forced convection flow through porous concentric pipes annular duct

2021 ◽  
pp. 095440622110022
Author(s):  
Farhan Ahmed
Keyword(s):  
Flow Region ◽  
Axial Direction ◽  
Darcy Number ◽  
Convection Flow ◽  
Axial Distance ◽  
Cross Sectional ◽  
Developing Flow ◽  
Annular Sector ◽  
Flow Through ◽  
The Cross

This article shows the thermally developing flow through concentric pipes annular sector duct by describing the Darcy Brinkman flow field. The cross sectional convection-diffusion terms are transformed in power law discretized form by integrating over the differential volume, whereas backward difference scheme is used in the axial direction of heat flow. With the help of semi implicit method for pressure linked equations-revised ( SIMPLE-R), we get the solution of the governing problem. The graphs of velocity profiles against R and average Nusselt number against axial distance are plotted for different values of Darcy number and geometrical configuration parameters. It has been pointed out that velocity and thermal entrance length decrease, when we decrease the value of Darcy number. By decreasing the cross section of the concentric pipes annular sector duct in the transverse direction, thermally fully developed flow region develops earlier.

Velocity Profile for Developing Flow over Stepped Spillway

2011 ◽  
Author(s):  
X. J. Cheng ◽  
J. S. Gulliver ◽  
Jiachun Li ◽  
Song Fu
Keyword(s):  
Velocity Profile ◽  
Stepped Spillway ◽  
Developing Flow
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