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T B A с D S he diagram (very similar to the Rankine Cycle) using water as the working fluid. urated mixture of water is pumped from low pressure to a high pressure saturated liquid in an batic) process. igh pressure saturated liquid enters a boiler where it is heated at constant pressure process by ce to a super-heated vapor. uper-heated vapor goes through a turbine, generating power exiting as a saturated vapor. ropic (and adiabatic) process and neglect kinetic energy and potential energy changes. saturated vapor then enters a condenser where it is condensed at a constant pressure process

T B A с D S he diagram (very similar to the Rankine Cycle) using water as the working fluid. urated mixture of water is pumped from low pressure to a high pressure saturated liquid in an batic) process. igh pressure saturated liquid enters a boiler where it is heated at constant pressure process by ce to a super-heated vapor. uper-heated vapor goes through a turbine, generating power exiting as a saturated vapor. ropic (and adiabatic) process and neglect kinetic energy and potential energy changes. saturated vapor then enters a condenser where it is condensed at a constant pressure process

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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T B A D Consider the cycle in the diagram (very similar to the Rankine Cycle) using water as the working fluid. Process A-B: A saturated mixture of water is pumped from low pressure to a high pressure saturated liquid in an iso- entropic (and adiabatic) process. Process B-C: The high pressure saturated liquid enters a boiler where it is heated at constant pressure process by an external heat source to a super-heated vapor. Process C-D: The super-heated vapor goes through a turbine, generating power exiting as a saturated vapor. Assume an iso-entropic (and adiabatic) process and neglect kinetic energy and potential energy changes. Process D-A: The saturated vapor then enters a condenser where it is condensed at a constant pressure process back to its original state. The boiler operates at 8 MPa (points B & C) and the condenser operates at 200 kPa (points A & D). Assume a mass flow rate of 1 kg/s. Make a table of the temperature, pressure, volume, internal energy, enthalpy, entropy and quality factor (T, P, V, U, H, S & x) at the start of each process. Make a table of the change in internal energy, heat flow, work done, change in enthalpy, and change in entropy (AU, Q, W, AH, AS) per second during each leg of the cycle. Indicate as is appropriate on the diagram. Calculate the thermal efficiency of the cycle.
Transcribed Image Text:T B A D Consider the cycle in the diagram (very similar to the Rankine Cycle) using water as the working fluid. Process A-B: A saturated mixture of water is pumped from low pressure to a high pressure saturated liquid in an iso- entropic (and adiabatic) process. Process B-C: The high pressure saturated liquid enters a boiler where it is heated at constant pressure process by an external heat source to a super-heated vapor. Process C-D: The super-heated vapor goes through a turbine, generating power exiting as a saturated vapor. Assume an iso-entropic (and adiabatic) process and neglect kinetic energy and potential energy changes. Process D-A: The saturated vapor then enters a condenser where it is condensed at a constant pressure process back to its original state. The boiler operates at 8 MPa (points B & C) and the condenser operates at 200 kPa (points A & D). Assume a mass flow rate of 1 kg/s. Make a table of the temperature, pressure, volume, internal energy, enthalpy, entropy and quality factor (T, P, V, U, H, S & x) at the start of each process. Make a table of the change in internal energy, heat flow, work done, change in enthalpy, and change in entropy (AU, Q, W, AH, AS) per second during each leg of the cycle. Indicate as is appropriate on the diagram. Calculate the thermal efficiency of the cycle.
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