A thermodynamic cycle uses 0.5 kg of air works in a three-process air-standard power cycle:Process 1-2: Isothermal expansionProcess 2-3: Constant volumeProcess 3-1: Isentropic, k=1.4Given: Pressure and temperature at the end of constant volume process is P3=100 kPa andT3=300K, respectively. If the isentropic compression ratio is 6.0, determine:(a) The pressure, volume and temperature at each state points of the cycle.(b) The heat added and rejected throughout the cycle, in kJ(c) The work net output, in kJ(d) The thermal efficiency.(e) Illustrate the cycle in Pv and Ts coordinates.(Ans. Q1-2=157.95 kJ, Q2-3=-112.93 kJ, Q3-1=0, 45 kJ, 28.5%)Just answer D and E 3. A thermodynamic cycle uses 0.5 kg of air works in a three-process air-standard power cycle:Process 1-2: Isothermal expansionProcess 2-3: Constant volumeProcess 3-1: Isentropic, k=1.4Given: Pressure and temperature at the end of constant volume process is P3=100 kPa andT3=300K, respectively. If the isentropic compression ratio is 6.0, determine:The pressure, volume and temperature at each state points of the cycle.The heat added and rejected throughout the cycle, in kJ(a)(b)The work net output, in kJThe thermal efficiency.(e) Illustrate the cycle in Pv and Ts coordinates.(Ans. Q₁-2=157.95 kJ, Q2-3--112.93 kJ, Q3-1=0, 45 kJ, 28.5%)

Consider pressure, volume and temperature at state-1 as , state-2 as , and state-3 as .State-3:Apply…

A thermodynamic cycle uses 0.5 kg of air works in a three-process air-standard power cycle: Process 1-2: Isothermal expansion Process 2-3: Constant volume Process 3-1: Isentropic, k=1.4 Given: Pressure and temperature at the end of constant volume process is P3=100 kPa and T3=300K, respectively. If the isentropic compression ratio is 6.0, determine: (a) The pressure, volume and temperature at each state points of the cycle. (b) The heat added and rejected throughout the cycle, in kJ (c) The work net output, in kJ (d) The thermal efficiency. (e) Illustrate the cycle in Pv and Ts coordinates. (Ans. Q1-2=157.95 kJ, Q2-3=-112.93 kJ, Q3-1=0, 45 kJ, 28.5%) Just answer D and E

A thermodynamic cycle uses 0.5 kg of air works in a three-process air-standard power cycle: Process 1-2: Isothermal expansion Process 2-3: Constant volume Process 3-1: Isentropic, k=1.4 Given: Pressure and temperature at the end of constant volume process is P3=100 kPa and T3=300K, respectively. If the isentropic compression ratio is 6.0, determine: (a) The pressure, volume and temperature at each state points of the cycle. (b) The heat added and rejected throughout the cycle, in kJ (c) The work net output, in kJ (d) The thermal efficiency. (e) Illustrate the cycle in Pv and Ts coordinates. (Ans. Q1-2=157.95 kJ, Q2-3=-112.93 kJ, Q3-1=0, 45 kJ, 28.5%) Just answer D and E

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter28: Special Refrigeration Applications

Section: Chapter Questions

Problem 15RQ: Why is two-stage compression popular for extra-low-temperature refrigeration systems?

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