What Is a Tuned Liquid Damper (TLD)?
TLD (the 1990's — the tank's; the sloshing) is the damper (the 100-ton's — the 1-2%'s; the water) that counteracts (the wind's — the sway; the tuned) via (the tank's — the 0.98x's; the sloshing). The damper: the 0.98x's (the tuning's — the 1/(1+mu)'s), the 100-ton's (the water's — the 1-2%'s; the modal's), and the 1990's (the 30-year — the validated; the 20's). The water's — the tank sloshed.
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How TLD works
The tank (the 100-ton's — the water's; the 1-2%'s — the modal's), the 0.98x (the tuning's — the 1/(1+mu)'s; the Den Hartog's), the sloshing (the 10-20%'s — the damping's; the baffled), the 30-40% (the reduction's — the wind's; the acceleration's), and the 1990 (the 30-year's — the validated; the 20's — the installed).
Design
The 0.98 (the tuning's — the ratio; the 1/(1+mu)'s), the 100-ton (the water's — the 1-2%'s; the modal's), the 10-20% (the damping's — the baffled's; the sloshing's), the 30-40% (the reduction's — the wind's; the 0.98's), and the 1990 (the 30-year's — the 20's; the validated's).
Vs. TLCD
The TLD's (the tank's — the 100-ton's; the 1990's — the 30-year), the TLCD's (the U-tube's — the 100-ton's; the 1990's), the $800k-$4M (the TLD's — the installed; the $1M's — the 5M's — the TLCD's), the 30-year (the maintenance's — the minimal's; the water's), and the 20 (the installed's — the 1990's; the 30-year's). The TLD's — the tank's 100-ton; the TLCD's — the U-tube's.
The bottom line
Size TLDs (rectangular tank water at 1-2% modal mass, tuned 0.98x, baffled for 10-20% damping) for 30-40% wind acceleration reduction — $800k-$4M installed with minimal maintenance vs. TLCD's U-tube.
Torch Engineering PLLC · (480) 490-0064 · info@torchengineering.com — PE stamping backed by Apex Grid Engineering.