Question

A thermodynamic cycle consists of 1.0 kg of water undergoing the following processes: Process 1 to 2: Constant pressure heating at 1,000 kPa from saturated vapour. Process 2 to 3: Constant volume cooling to pressure of 300 kPa and temperature of 150°C. Process 3 to 4: Isothermal compression to its initial volume. Process 4 to 1: Constant volume heating. a) Sketch the P (in kPa) vs V (in m³) diagram for this cycle. b) Determine the work done for each of the processes (in kJ). c) Compute the total work done (in kJ).

          A thermodynamic cycle consists of 1.0 kg of water undergoing the following processes:
Process 1 to 2:
Constant pressure heating at 1,000 kPa from saturated vapour.
Process 2 to 3:
Constant volume cooling to pressure of 300 kPa and temperature of 150°C.
Process 3 to 4:
Isothermal compression to its initial volume.
Process 4 to 1:
Constant volume heating.
a) Sketch the P (in kPa) vs V (in m³) diagram for this cycle.
b) Determine the work done for each of the processes (in kJ).
c) Compute the total work done (in kJ).

A thermodynamic cycle consists of 1.0 kg of water undergoing the following processes:
Process 1 to 2:
Constant pressure heating at 1,000 kPa from saturated vapour.
Process 2 to 3:
Constant volume cooling to pressure of 300 kPa and temperature of 150°C.
Process 3 to 4:
Isothermal compression to its initial volume.
Process 4 to 1:
Constant volume heating.
a) Sketch the P (in kPa) vs V (in m³) diagram for this cycle.
b) Determine the work done for each of the processes (in kJ).
c) Compute the total work done (in kJ).

Added by Susan J.

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