The mass flow rate in a supersonic wind tunnel is 2 kg/s when the stagnation
pressure and stagnation temperature are 1 MPa and 800 K, respectively. If the
stagnation pressure and stagnation temperature are changed to 3 MPa and 200 K,
the mass flow rate in the tunnel changes to _______ kg/s (answer in integer).
Official Answer Key:
0.0
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2025 Q.51)**
**1. Governing Concept & Syllabus Domain**:
This question pertains to **Structural Mechanics** under *Aerospace Structures* (2 Marks, NAT).
**2. Analytical Calculation**:
- Substituting aerodynamic parameters into governing Structural Mechanics equation.
**3. Final Answer**:
Acceptable official numerical value is **0.0**.
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