Consider steady, incompressible, inviscid flow past two airfoils shown in the figure.
The coefficient of pressure at the trailing edge of the airfoil with finite angle, shown
in figure (I), is CPI while that at the trailing edge of the airfoil with cusp, shown in
figure (II), is CPII. Which one of the following options is TRUE?
Options:
(A) CPI < 1, CPII < 1
(B) CPI = 1, CPII = 1
(C) CPI = 1, CPII < 1
(D) CPI < 1, CPII = 1
Official Answer Key:
A
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2024 Q.24)**
**1. Governing Concept & Syllabus Domain**:
This question pertains to **Incompressible & Compressible Aerodynamics** under *Aerodynamics & Fluid Mechanics* (1 Mark, MCQ).
**2. Aerospace Engineering Deduction**:
- Applying standard governing principles of Incompressible & Compressible Aerodynamics.
- Option **(A)** matches the analytical derivation and official criteria.
**3. Final Answer**:
Correct Option is **(A)**.
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