The potential flow model for a storm is represented by the superposition of a sink and a vortex. The
stream function can be written in the ( ,r ) system as ln22 r
, where
2100 m /s . Assume a constant air density of 1.2 kg/m 3. The gauge pressure at a distance of
100 m from the storm eye is
(A) (B) 2
1.2
(C) 2
1.2
2 (D) 2
1.2
4
Official Answer Key:
0.0
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2013 Q.34)**
**1. Governing Concept & Syllabus Domain**:
This question pertains to **Structural Mechanics** under *Aerospace Structures* (1 Mark, 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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