Experiment Study on Dynamic Effects of Tower-Line Systems Induced by Ice Shedding

Table 4

Ice-shedding conditions of the model.

Conditions	Serial number	Ice-shedding form	Ice-shedding position	Ice-shedding velocity (m/s)	Ice-shedding quantity (%)	Measuring point position
Different ice-shedding velocities	I	Zipper-like ice shedding	1–15	10λ	100	Point 8 (middle of span)
	II	Zipper-like ice shedding	1–15	25λ	100
	III	Zipper-like ice shedding	1–15	50λ	100
	IV	Zipper-like ice shedding	1–15	75λ	100
	V	Zipper-like ice shedding	1–15	100λ	100
Different ice-shedding quantities	VI	Simultaneous ice shedding	1–15	—	100	Point 8 (middle of span)
	VII	Simultaneous ice shedding	7–9	—	20
	VIII	Simultaneous ice shedding	6–10	—	33
	IX	Simultaneous ice shedding	5–11	—	47
Different ice-shedding locations	X	Simultaneous ice shedding	1–3	—	20	Point 2
	XI	Simultaneous ice shedding	4–6	—	20	Point 5
	XII	Simultaneous ice shedding	7–9	—	20	Point 8 (middle of span)
	XIII	Simultaneous ice shedding	10–12	—	20	Point 11
	XIV	Simultaneous ice shedding	13–15	—	20	Point 14