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9, rue du Gué
92500 Rueil Malmaison
France
Tel .+(33) 6 63 35 82 43
Fax. +(33) 1 41 96 91 05
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headquaters
damper & stack design
laboratory testing
site measurement

Left) Test of a empty large frequency band liquid damper.
Right) Test of a properly filled large frequency band liquid damper.

35 m vibrating process column

75 m vibrating process column

55 m Vibrating flare

Low frequency vibration of a radom on top of a telecom mast

2nd mode vibration of a 45 m mast

Vibration of a steel stack fitted with helical strakes (Sc< 8)

Vibration of s steel stack fitted with helical strakes (Sc<8) in group arrangment

40 M VIBRATING STACK (1)

40 M VIBRATING STACK (2)