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AE2301 Flight Dynamics - Nov / Dec 2013 Important Questions
#1




Anna University


Department of Aeronautical Engineering


Fifth Semester


AE2301 Flight Dynamics 


(Regulation 2008) 


Nov / Dec 2013 Important Questions

UNIT-I 
1. Types of drags and its reduction methods.
2. ISA layers, Troposphere, stratosphere derivation.
3. Obtain the values of pressure, density and temperature at 5 km in ISA.

UNIT-II 
For unit-II may three types of questions will ask in your university exams.
TYPE-I 
1.Derive the two equations given below and represent it graphically 
   
2. An airplane is flying straight and level at a speed V which is ‘n’ timer the minimum power speed Vmp. Show that
   
3. For an aircraft in straight and level flight at a speed of ‘M’ derive the minimum drag speed. Show that 
   
where D is drag of the aircraft.
4. An aircraft weighing 25 kN has a wing area of 80 m^2 and its drag coefficient is      
calculate the minimum thrust required for straight and level flight, and the corresponding true air speed. At sea level and at 10 km (ρ= 0.58kg/m^3). Calculate also the minimum power required and the Corresponding true air speeds at the above conditions.
5.Drag polar for different speeds.

TYPE-II 
1. V-n diagram.(Refer Aircraft performance book, pages 341-343)
2. Maneuvering, climbing, Gliding, and Turning flight performance.

TYPE-III 
1. Range and Endurance equations.(Refer class notes)
2. Power available and power required curves.(Refer class notes) 

UNIT-III 
1. Wing contribution and wing with tail contribution derivations.
2. Problems taken w.r.t above derivations.
3. Stick-fixed and Stick-free stability derivatives.
4. Power effects for piston engine and jet engine airplanes.

UNIT-IV 
For Unit-IV study all these theory questions. 

One engine in-operative condition, Rudder lock and dorsal fin, coupling between rolling and yawing, Adverse yaw, Aileron reversal, Whether cocking effect, Rudder requirements.

UNIT-V 
1. Stability derivatives , Routh’s discriminant derivations. 
2. Phugoid  motion, Spiral instability, Auto rotation, Spin and its recovery and Dutch roll.



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