Question

(1-10) For the thermodynamic cycle below, which the working fluid is ideal gas, M = 25 kg/kmole, Cp = 1 kJ/kgK (constant). At the turbine inlet, T1 = 700 K, P1 = 10 bar. At the turbine exit, P2 = 2 bar. At the compressor inlet, T3 = 350 K. The working fluid undergoes the adiabatic expansion and compression through the turbine and compressor. The isentropic efficiency of the turbine and compressor is 100%. The pressure drops through the heat exchangers are negligible. Neglect the kinetic and potential energy. The temperatures of hot and cold thermal reservoirs are 800 K and 300 K respectively. Find the followings. 1. The constant volume specific heat, Cv in J/kgK (5), the specific heat ratio, k (5). 2. The specific volumes at 1, 2, 3, and 4 in m^3/kg (20). 3. The temperature at 2 and 4 in K (10). 4. Plot the cycle in T-s and p-v diagrams including the constant-pressure, -volume, -temperature, and -entropy lines, TH and TC (20). 5. The work per unit mass produced in turbine [J/kg] (5). 6. The work per unit mass provided through compressor [J/kg] (5). 7. The heat transfer per unit mass in the heat exchanger 1 and 2 [J/kg] (10). 8. The entropy changes, s1-s4 and s3-s2, through 4?1 and 2?3 [J/kgK] (10). 9. The efficiency of this power cycle (5). 10. The maximum efficiency under the given thermal reservoirs (5).

          (1-10) For the thermodynamic cycle below, which the working fluid is ideal gas, M = 25 kg/kmole, Cp = 1 kJ/kgK (constant). At the turbine inlet, T1 = 700 K, P1 = 10 bar. At the turbine exit, P2 = 2 bar. At the compressor inlet, T3 = 350 K. The working fluid undergoes the adiabatic expansion and compression through the turbine and compressor. The isentropic efficiency of the turbine and compressor is 100%. The pressure drops through the heat exchangers are negligible. Neglect the kinetic and potential energy. The temperatures of hot and cold thermal reservoirs are 800 K and 300 K respectively. Find the followings.

1. The constant volume specific heat, Cv in J/kgK (5), the specific heat ratio, k (5).
2. The specific volumes at 1, 2, 3, and 4 in m^3/kg (20).
3. The temperature at 2 and 4 in K (10).
4. Plot the cycle in T-s and p-v diagrams including the constant-pressure, -volume, -temperature, and -entropy lines, TH and TC (20).
5. The work per unit mass produced in turbine [J/kg] (5).
6. The work per unit mass provided through compressor [J/kg] (5).
7. The heat transfer per unit mass in the heat exchanger 1 and 2 [J/kg] (10).
8. The entropy changes, s1-s4 and s3-s2, through 4?1 and 2?3 [J/kgK] (10).
9. The efficiency of this power cycle (5).
10. The maximum efficiency under the given thermal reservoirs (5).

(1-10) For the thermodynamic cycle below, which the working fluid is ideal gas, M = 25 kg/kmole, Cp = 1 kJ/kgK (constant). At the turbine inlet, T1 = 700 K, P1 = 10 bar. At the turbine exit, P2 = 2 bar. At the compressor inlet, T3 = 350 K. The working fluid undergoes the adiabatic expansion and compression through the turbine and compressor. The isentropic efficiency of the turbine and compressor is 100%. The pressure drops through the heat exchangers are negligible. Neglect the kinetic and potential energy. The temperatures of hot and cold thermal reservoirs are 800 K and 300 K respectively. Find the followings.

1. The constant volume specific heat, Cv in J/kgK (5), the specific heat ratio, k (5).
2. The specific volumes at 1, 2, 3, and 4 in m^3/kg (20).
3. The temperature at 2 and 4 in K (10).
4. Plot the cycle in T-s and p-v diagrams including the constant-pressure, -volume, -temperature, and -entropy lines, TH and TC (20).
5. The work per unit mass produced in turbine [J/kg] (5).
6. The work per unit mass provided through compressor [J/kg] (5).
7. The heat transfer per unit mass in the heat exchanger 1 and 2 [J/kg] (10).
8. The entropy changes, s1-s4 and s3-s2, through 4?1 and 2?3 [J/kgK] (10).
9. The efficiency of this power cycle (5).
10. The maximum efficiency under the given thermal reservoirs (5).

Added by Sharon R.

Question

Please give Ace some feedback