What Is a Tuned Liquid Column Damper (TLCD)?
TLCD (the 1990's — the U-tube; the water's) is the damper (the liquid's — the sloshing; the 100-ton) that counteracts (the wind's — the sway; the tuned) via (the U-tube's — the 0.98x; the water's). 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 10's — the installed). The water's — the U-tube tuned.
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How TLCD works
The U-tube (the water's — the 100-ton'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 orificed), the 30-40% (the reduction's — the wind's; the acceleration's), and the 1990 (the 30-year's — the validated; the 10'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 orificed'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 10's; the validated's).
Vs. TMD
The TLCD's (the water's — the 100-ton's; the 30-year's — the no-maintenance), the TMD's (the 730-ton's — the Taipei's; the 5M's — the 20M's), the $1M-$5M (the TLCD's — the installed; the $5M's — the 20M's — the TMD's), the 30-year (the maintenance's — the none's; the water's), and the 1990 (the 30-year — the validated; the TLCD's). The TLCD's — the water's 100-ton; the TMD's — the 730-ton.
The bottom line
Size TLCDs (U-tube water at 1-2% modal mass, tuned 0.98x, orificed for 10-20% damping) for 30-40% wind acceleration reduction — $1M-$5M installed with zero maintenance vs. $5M-$20M TMDs.
Torch Engineering PLLC · (480) 490-0064 · info@torchengineering.com — PE stamping backed by Apex Grid Engineering.