Table 2 The total number of particles with different sizes filled in PTPD1 and PTPD2.

From: Multi-parameter pendulum tuned particle damper for vibration suppression in offshore wind turbine towers

 

100 mm

150 mm

200 mm

250 mm

PTPD1

1312

388

164

84

PTPD2

1560

464

196

100

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