A) What is an adverse pressure gradient, and where does it occur on an airfoil (Show that on an airfoil using a free hand sketch)? B) What causes the flow to separate from an airfoil? C) What are the two major consequences of flow separation? D) A B-2A aircraft is flying at H ft in standard day conditions at a velocity V kn. If the mean chord length is C ft. i- Find the overall or total Reynolds number for the aircraft. ii- Find the percentage of the wing chord where laminar flow is present, if Reynolds number is 500,000.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A) What is an adverse pressure gradient, and where does it occur on an airfoil (Show that on
an airfoil using a free hand sketch)?
B) What causes the flow to separate from an airfoil?
C) What are the two major consequences of flow separation?
D) A B-2A aircraft is flying at H ft in standard day conditions at a velocity V kn. If the mean
chord length is C ft.
i- Find the overall or total Reynolds number for the aircraft.
ii- Find the percentage of the wing chord where laminar flow is present, if Reynolds
number is 500,000. 

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