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2011 AEROSPACE ENGINEERING - AE
A jet engine is operating at a Mach number of 0.8 at an altitude of 10 km. The efficiency of the air
intake is 0.8 and that of the compressor is 0.87. Th e total temperatures (in K) at the exits of the air
intake and the compressor respectively are
(Ambient pressure = 26.5 kPa; Ambient temperature = 223.3 K; Gas constant, = 1.4; 8rcp )
Official Answer Key:
0.0
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2011 Q.33)**
**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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