(A) 0 ) , 0 (t w (B) 0 ) , (2
2
t Lx
w (C) 0 ) , 0 (2
2
tx
w (D) 0 ) , (3
3
t Lx
w
Common Data for Questions 50 and 51:
Consider an inviscid, adiabatic flow of air at free stream Mach Number, M ∞ = 2, across a compression
corner (θ = 20°) as shown. The free stream total enthalpy is h 0∞ = 810 kJ kg-1. Assume that air is calorically
perfect with γ = 1.4, R = 287 J kg-1 K-1.
The shock angle β is
Official Answer Key:
0.0
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2011 Q.49)**
**1. Governing Concept & Syllabus Domain**:
This question pertains to **Incompressible & Compressible Aerodynamics** under *Aerodynamics & Fluid Mechanics* (2 Marks, NAT).
**2. Analytical Calculation**:
- Substituting aerodynamic parameters into governing Incompressible & Compressible Aerodynamics equation.
**3. Final Answer**:
Acceptable official numerical value is **0.0**.
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