Experimental Study on Comparison of Rising Velocity of Bubbles and Light Weight Particles in the Bubble Column

2012 ◽  
pp. 25-30
Author(s):  
S. M. Walke ◽  
Vivek S. Sathe
Keyword(s):  
Experimental Study ◽  
Bubble Column ◽  
Light Weight

Experimental Study of Stress Corrosion of High-Strength Wires Affected by Four Typical Ions

2012 ◽  
Vol 226-228 ◽  
pp. 1597-1603 ◽  
Author(s):  
Jian Guo Yin ◽  
Chu Han Deng ◽  
Yu Guang Fu ◽  
Liu Chi Li
Keyword(s):  
Experimental Study ◽  
Tensile Strength ◽  
Ultimate Tensile Strength ◽  
Stress Corrosion ◽  
Acid Rain ◽  
Crack Growth ◽  
High Strength ◽  
Major Effect ◽  
Light Weight ◽  
Cable Structures

Characterized by light weight and high strength, cold-drawn galvanized cable wires are widely applied in all kinds of prestressed structures and cable structures. Investigation shows that cables are sensitive to corrosion. Severe corrosion of cables results in cable replacement which are costly, and even more, collapse of the whole bridge. In this paper, several tests were carried out to present the crack growth of wire in stress corrosion in different solutions. In particular, as Cl-, OH-, SO42- and NH4+ have major effect on stress corrosion in seawater and acid rain, these four kinds of ions are selected in tests. And all four kinds of corrosive solutions are tested with the concentration of 1.5 bsp and 3 bsp respectively. Effects on ultimate tensile strength and sensitivity of cable wires are different for each of chosen ions, and the increasing concentration for the same solution would drop ultimate tensile strength and the modulus of cable wires.

Influence of scale on the hydrodynamics of bubble column reactors: an experimental study in columns of 0.1, 0.4 and 1m diameters

2003 ◽  
Vol 58 (3-6) ◽  
pp. 719-724 ◽  
Author(s):  
A Forret ◽  
J-M Schweitzer ◽  
T Gauthier ◽  
R Krishna ◽  
D Schweich
Keyword(s):  
Experimental Study ◽  
Bubble Column ◽  
Bubble Column Reactors

Double Perforated Honeycomb Panel as a Low Frequency Acoustic Absorber

1997 ◽  
Vol 4 (1) ◽  
pp. 21-37
Author(s):  
C.F. Ng ◽  
Qin Hao-Ming
Keyword(s):  
Experimental Study ◽  
Sound Absorption ◽  
Low Frequency ◽  
Air Gap ◽  
Light Weight ◽  
Frequency Sound ◽  
Honeycomb Sandwich ◽  
Perforated Sheets ◽  
Absorption Characteristics ◽  
Honeycomb Panel

This report deals with a theoretical and experimental study of the low frequency sound absorption characteristics of perforated honeycomb sandwich panels. The derivations of formulae for absorption in terms of double perforation ratio and air gap are presented. Results show that the honeycomb absorber, with double perforated sheets, can be an effective low frequency absorber for frequencies down to 63 Hz. In addition, honeycomb panels have advantages over other low frequency absorbers in that they are light weight and strong.

Development of a CFD Model of Bubble Column Bioreactors: Part One - A Detailed Experimental Study

2013 ◽  
Vol 36 (12) ◽  
pp. 2065-2070 ◽  
Author(s):  
D. D. McClure ◽  
J. M. Kavanagh ◽  
D. F. Fletcher ◽  
G. W. Barton
Keyword(s):  
Experimental Study ◽  
Bubble Column ◽  
Cfd Model

Experimental study and CFD simulation of the multiphase flow conditions encountered in a Novel Down-flow bubble column

2018 ◽  
Vol 350 ◽  
pp. 507-522 ◽  
Author(s):  
Mutharasu L.C. ◽  
Dinesh V. Kalaga ◽  
Mayur Sathe ◽  
Damon E. Turney ◽  
Derek Griffin ◽  
...  
Keyword(s):  
Experimental Study ◽  
Multiphase Flow ◽  
Cfd Simulation ◽  
Bubble Column ◽  
Flow Conditions
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