Experimental investigation of a modified free-fall tribo-electrostatic separator with rotating electrodes

2021 ◽  
pp. 1-9
Author(s):  
Imad Eddine Kimi ◽  
Mohamed Miloudi ◽  
Seddik Touhami ◽  
Djamel-Eddine Fekir ◽  
Amar Tilmatine
Keyword(s):  
Experimental Investigation ◽  
Free Fall ◽  
Electrostatic Separator ◽  
Rotating Electrodes

Experimental Analysis of a Vibrating Tribocharging Device of Plastic Particles for a Free-Fall Electrostatic Separator

2014 ◽  
Vol 50 (6) ◽  
pp. 4228-4232 ◽  
Author(s):  
Mohammed El-Mouloud Zelmat ◽  
Mohamed Rizouga ◽  
Amar Tilmatine ◽  
Abdelber Bendaoud ◽  
Karim Medles ◽  
...  
Keyword(s):  
Experimental Analysis ◽  
Free Fall ◽  
Electrostatic Separator

scholarly journals Numerical Modelling of the Three-Dimensional Slamming Problem

2002 ◽  
Author(s):  
Matthieu Tourbier ◽  
Bernard Peseux ◽  
Bundi Donguy ◽  
Laurent Gornet
Keyword(s):  
Finite Element Method ◽  
Experimental Investigation ◽  
Thickness Distribution ◽  
Three Dimensional ◽  
Free Fall ◽  
The Finite Element Method ◽  
Hydrodynamic Problem ◽  
In Series ◽  
Drop Tests ◽  
Good Agreement

This paper deals with the slamming phenomenon for deformable structures. In a first part, a three-dimensional hydrodynamic problem is solved numerically with the Finite Element Method. The results for a rigid body are successfully compared to the analytical solutions. After the numerical analysis, an experimental investigation is presented. It consists in series of free fall drop-tests of rigid, deformable cones shaped models with different deadrise angle and thickness. Distribution of the pressure and its evolution are analyzed. Numerical and experimental results are compared and present good agreement.

Portable Free-Fall Electrostatic Separator for Beneficiation of Charged Particulate Materials

2008 ◽  
Vol 26 (4) ◽  
pp. 349-360 ◽  
Author(s):  
D. Saini ◽  
S. Trigwell ◽  
P. K. Srirama ◽  
R. A. Sims ◽  
R. Sharma ◽  
...  
Keyword(s):  
Free Fall ◽  
Particulate Materials ◽  
Electrostatic Separator

Free-Fall Lifeboats: Experimental Investigation of the Impact of Environmental Conditions on Technical and Human Performance

2008 ◽  
Author(s):  
Antonio Simo˜es Re´ ◽  
Scott MacKinnon ◽  
Brian Veitch
Keyword(s):  
Experimental Investigation ◽  
Human Performance ◽  
Occupational Safety ◽  
Free Fall ◽  
Weather Conditions ◽  
Safety Issues ◽  
Focus On Results ◽  
And Performance ◽  
The Impact ◽  
Evacuation System

Free-fall lifeboats offer a means to evacuate a ship or offshore installation rapidly, without the lowering operations associated with conventional davit launched lifeboats on wire falls. The performance of free-fall lifeboats during launch and sail-away has been investigated using a model test campaign. The main focus of the experimental evaluation was on the performance of this evacuation system in a range of different weather conditions. Measurements were also made of motions during the launch process, which are relevant to occupational safety issues. Examples of the tests are presented with a focus on results that warrant scrutiny in terms of human health and performance. The results lead us to question the IMO criteria used to assess the occupational safety of free-fall lifeboats.

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