PTU B.Tech Aerospace Engineering 3rd Semester May 2019 60502 AERODYNAMICS I Question Papers

Roll No.

Total No. of Pages : 02

Total No. of Questions : 09

--- Content provided by⁠ FirstRanker.com ---

B.Tech.(ANE)/(Aerospace Engg.) (2012 Onwards) (Sem.-3)

AERODYNAMICS-I

Subject Code : ANE-203

M.Code: 60502

Time: 3 Hrs.

--- Content provided by⁠ FirstRanker.com ---

Max. Marks : 60

INSTRUCTIONS TO CANDIDATES :

1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.

--- Content provided by⁠ FirstRanker.com ---

SECTION-A

1. Answer briefly :
   1. Pathline
   2. Potential flow
   3. Conservation equations
   4. Centre of pressure

   --- Content provided by⁠ FirstRanker.com ---

   5. Aerodynamic force
   6. Lift coefficient
   7. Pressure coefficient
   8. Steady-incompressible flow
   9. Two dimensional flow separation

   --- Content provided by‌ FirstRanker.com ---

   10. Boundary Layer

SECTION-B

2. Define circulation, angular velocity, vorticity and time rate of strain of a fluid element in three-dimensional space.
3. Starting from the first principle. Derive Euler Equation of motion.

--- Content provided by FirstRanker.com ---

4. Describe Doublet flow. Derive the velocity potential and stream function for it.
5. Explain, why a laminar boundary layer separates more easily than a turbulent boundary layer.
6. Derive an expression for velocity potential and stream function for a vortex flow.

SECTION-C

7. Show that the pressure coefficient around a circular cylinder placed in an ideal, incompressible flow is given by : Cp = 1.-4 sin² 0. Where '0' is the angular coordinate on the surface of the cylinder measured from the lagging stagnation point.

--- Content provided by​ FirstRanker.com ---

8. Derive an expression for 2-D continuity equation applicable to compressible, viscous, non-uniform and unsteady flows. What are the advantages of integral form of continuity equation over the differential form?
9. Write short notes on the followings :
   1. Kantian's Integral equation
   2. Blasius solution for a flat plate

FirstRanker.com

--- Content provided by​ FirstRanker.com ---

NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.