Reverse curve blades

These blades are backward curved at their tips but forward curved at the heel (see Figure 1.74). Characteristics are gener­ally similar to the backward curved type with the same limita­tions to their use. Shock losses at entry to the blade passages is reduced however and a slightly higher efficiency maintained outside the range of the b. e.p.

Reverse curve blades

Posted in Fans Ventilation A Practical Guide


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