A power plant operates on a simple Brayton cycle. The mass flow rate of air thro

Question

A power plant operates on a simple Brayton cycle. The mass flow rate of air through the cycle is 20 kg/s. Air enters the compressor at Ti = 37 degree C and pi = 100 kPa and is compressed to 1.6 MPa by a compressor. 20 MW of heat is added to the air stream at the heat exchanger. The air is then expanded to 100 k.Pa by a turbine before rejected to the ambient. Analyze the cycle using the air standard analysis. Obtain the enthalpy at the inlet of the compressor (h_1 in kJ/kg) 390.88 310.24 285.14 340.42 199.97 Considering an isentropic process, find the enthalpy at the outlet of the compressor (h_2s in KJ/kg) 411.12 713.27 638.63 684.32 503.02 Considering an isentropic process, find the temperature at the outlet of the compressor (T_2s in K) 672.97 506.91 636.57 421.25 776.10Considering an isentropic efficiency of 80%, an enthalpy at the inlet of hi=250 kJ/kg, an isentropic enthalpy at the outlet of h2s = 600 kJ/kg, find the enthalpy at the outlet of the compressor, (rt2 in kJ/kg) 537.10 687.50 624.95 810.62 986.90 Considering an enthalpy at the inlet of hi=250 kJ/kg and an enthalpy at the outlet of ri2=750 kJ/kg, find the specific work input to the compressor in kJ/kg. 1000.0 750.0 0.0 250.0 500.0 6) Considering an enthalpy at the outlet of the compressor of ri2=750.0 kJ/kg, find the temperature at the outlet of the compressor T_2 in K 2566.5 734.0 1161.1 1636.0 434.1

Explanation / Answer

1)a

2)c

3)d

4)c

5)d

6)b

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.