|Fig. 13-1 Areas typically considered for ice protection.|
3. Analyses are carried out to determine whether ice protection is required and, if so, the heat input required to limit ice build up to acceptable levels. Fig. 13-1 illustrates the areas of a turbo-fan engine typically considered for ice protection.
|Fig. 13-2 Hot air ice protection.|
|Fig. 13-3 Combination of hot air, oil and electrical ice protection.|