Lecture 33 Examples

# Lecture 33 Examples - Example 1 Consider the following real...

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Example 1: Consider the following real Brayton cycle that uses air as its working fluid. The cycle operates with a pressure ratio of r p = 4.2, the compressor inlet temperature is 300 K, and the turbine inlet temperature is 1325 K. The heating value of the fuel is 43 kJ/g-fuel. Assume the air standard model is valid where the air has mean effective specific heat ratio of 4/3. The compressor and the turbine operate

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Unformatted text preview: with isentropic efficiencies of η C = 75 % and η T = 85 % respectively. Complete a thermodynamic analysis of the cycle. Example 2: A concrete wall of a building is 6 m wide, 8 m high, and 0.25 m thick. The temperature of the inside of the wall is 15 °C and the outside of the wall is 4 °C. Calculate the rate of heat loss through the wall and the amount of heat lost through the wall in 10 hours....
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• Spring '08
• Chung
• Thermodynamics, Heat, specific heat ratio, compressor inlet temperature, real Brayton cycle

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