Slow Transients in Closed Conduit Flow — Part II Validation and Application of the Numerical Methods

Author(s):  
Bernd-Uwe Rogalla ◽  
Andreas Wolters
1943 ◽  
Vol 108 (1) ◽  
pp. 1513-1516
Author(s):  
A. A. Kalinske ◽  
James M. Robertson
Keyword(s):  

2004 ◽  
Vol 35 (2) ◽  
pp. 153-164 ◽  
Author(s):  
Subhasish Dey

An experimental study on critical bed shear-stress for initial movement of non-cohesive sediment particles under a steady-uniform stream flow on a combined lateral (across the flow direction) and longitudinal (streamwise direction) sloping bed is presented. The aim of this paper is to ascertain that the critical bed shear-stress on a combined lateral and longitudinal sloping bed is adequately represented by the product of critical bed shear-stress ratios for lateral and longitudinal sloping beds. Experiments were carried out with closed-conduit flow, in two ducts having a semicircular invert section, with three sizes of sediments. In laboratory flumes, the uniform flow is a difficult – if not impossible – proposition for a steeply sloping channel, and is impossible to obtain in an adversely sloping channel. To avoid this problem, the experiments were conducted with a closed-conduit flow. The critical bed shear-stresses for experimental runs were estimated from side-wall correction. The experimental data agree satisfactorily with the results obtained from the proposed formula.


RSC Advances ◽  
2016 ◽  
Vol 6 (6) ◽  
pp. 4552-4563 ◽  
Author(s):  
K. H. Solangi ◽  
Ahmad Amiri ◽  
M. R. Luhur ◽  
Soheila Ali Akbari Ghavimi ◽  
S. N. Kazi ◽  
...  

The convective heat transfer coefficient and friction factor of trimethylolpropane tris[poly(propylene glycol), amine terminated] ether-treated graphene nanoplatelet-based water coolants are investigated.


1943 ◽  
Vol 108 (1) ◽  
pp. 1448-1513
Author(s):  
Warren DeLapp ◽  
Karl R. Kennison ◽  
Robert T. Knapp ◽  
Carl E. Kindsvater ◽  
J. H. Douma ◽  
...  
Keyword(s):  

1943 ◽  
Vol 108 (1) ◽  
pp. 1435-1447 ◽  
Author(s):  
A. A. Kalinske ◽  
James M. Robertson
Keyword(s):  

Author(s):  
P. Novak ◽  
V. Guinot ◽  
A. Jeffrey ◽  
D.E. Reeve
Keyword(s):  

1981 ◽  
Vol 107 (11) ◽  
pp. 1335-1349
Author(s):  
J. Paul Tullis
Keyword(s):  

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