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Laminar bucket is region where ____

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in Aircraft Design by (701k points)
Laminar bucket is region where ____

(a) flow remains laminar

(b) turbulent is produced

(c) drag increases drastically

(d) lift is reduced drastically

This question was addressed to me in homework.

The question is from Airfoil Selection-3 in division Airfoil and Geometry Selection of Aircraft Design

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The correct option is (a) flow remains laminar

To explain: Laminar bucket is phenomena of laminar airfoils. It is the region where flow remains laminar. This laminar flow is very important as it decreases drag and thus improves overall performance. However, for such airfoils Reynolds number is very important consideration. Following diagram shows laminar bucket for a typical laminar airfoil.

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