GATE AE 2012 • Q51 NAT • 2 Marks

Aerospace Structures

Structural Mechanics

Subtopic: Thin-Walled Shells & Buckling

Question Statement:

What is the tangential component of the fluid's velocity at the same radial location as above? (A) 0.01 m/s (B) 0.03 m/s (C) 0.10 m/s (D) 0.31 m/s Linked Answer Questions Statement for Linked Answer Questions 52 and 53: Air at a stagnation temperature of 15oC and stagnation pressure 100 kPa enters an axial compressor with an absolute velocity of 120 m/s. Inlet guide vanes direct th is absolute velocity to the rotor inlet at an angle of 18o to the axial direction. The rotor turning angle is 27 o and the mean blade speed is 200 m/s. The axial velocity is assumed constant through the stage.

Official Answer Key:

0.0

Step-by-Step Solution & Explanation

### **Official Solution & Step-by-Step Derivation (GATE AE 2012 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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