Environmental Engineering Reference
In-Depth Information
Table 8.1
(continued)
Active de-icing method
Performance
categories
Thermal resistors
Hot air
Inflatable pneumatic
boots
Liquid surface
coatings
Microwave
Disadvantages
Higher local
thermal stress due
to direct contact of
resistors and blade
structure
Poor optimal distribution of
thermal energy
High noise, possible self
inflation due to
centrifugal force
Short
durability,
quickly
removed by
centrifugal
force
Not effective for
moderate and severe
icing conditions
Current overall
commercial ranking
for wind turbines
1
2
3
4
5
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