An airfoil generates a lift of 80 N when operating in a freestream flow of 60 m/s. If the ambient
pressure and temperature are 100 kPa and 290 K respectively (specific gas constant is 287 J/kg-K),
the circulation on the airfoil in m
2/s is ____.
Official Answer Key:
0.0
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2012 Q.28)**
**1. Governing Concept & Syllabus Domain**:
This question pertains to **Incompressible & Compressible Aerodynamics** under *Aerodynamics & Fluid Mechanics* (1 Mark, 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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