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Tuesday, January 5, 2016

Basic Flight Aerodynamics ( PART - 11 )

Kinetic Heating: Heating effect occur for supersonic aircraft. Surface area of supersonic range 2000 degree c; Aluminium tolerant range 100 degree c; Titanium & stainless steel: Glass is used for thin of streamline for smoothly. Kinetic heating also called heat effect.

Normal stall:  Normal stall is the reduction in the lift co-efficient generated by an airfoil as angle of attack increases. This occurs when the critical angle of attack of the airfoil is exceeded. 

Area ruling: This is also known as transonic  area ruling, which is a design technique reducing  an aircraft's drag at transonic & supersonic speeds, particularly between mach 0.75 &1.2