Rankine Cycle Thermal Output Calculation for 1000 MWe

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SUMMARY

The discussion focuses on calculating the thermal output of a Rankine cycle for a power plant designed to produce 1000 MWe. Key equations include the efficiency formula, Efficiency = Wnet/Qh, where Wnet represents net work and Qh is the heat addition to the system. The user suggests determining the mass flow rate by dividing 1000 MWe by Wnet, then using this value to calculate Qh for thermal output. The conversation highlights the importance of providing complete information for effective assistance.

PREREQUISITES
  • Understanding of Rankine cycle thermodynamics
  • Familiarity with efficiency calculations in thermal systems
  • Knowledge of enthalpy and its role in energy calculations
  • Basic principles of mass flow rate in power generation
NEXT STEPS
  • Study the detailed calculations of thermal efficiency in Rankine cycles
  • Learn about the impact of turbine and pump efficiencies on overall system performance
  • Explore methods for calculating mass flow rates in thermal power plants
  • Investigate the relationship between net work and heat transfer in thermal systems
USEFUL FOR

Engineers, thermodynamics students, and professionals involved in power plant design and optimization will benefit from this discussion, particularly those focused on thermal output calculations in Rankine cycles.

UnknownAnsem
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Homework Statement


The last part of my question reads:

Give the equations you would use to determine reactor thermal output if the plant is to produce 1000 MWe. All expressions for work and heat transfer rate should be expressed in terms of the appropriate mass flow rate ratios.

Homework Equations


Efficiency = Wnet/Qh

The Attempt at a Solution


I have been given turbine efficiency and pump efficiency. Also, assume I have found the enthalpy at each state point and was subsequently able to determine the net work and heat addition to the system. I feel like I need to determine the mass flow rate by dividing 1000 MWe by Wnet and then plug that value into the equation for Qh to get thermal output.
 
Last edited:
UnknownAnsem said:

Homework Statement


The last part of my question reads:

Give the equations you would use to determine reactor thermal output if the plant is to produce 1000 MWe. All expressions for work and heat transfer rate should be expressed in terms of the appropriate mass flow rate ratios.

Homework Equations


Efficiency = Wnet/Qh

The Attempt at a Solution


I have been given turbine efficiency and pump efficiency. Also, assume I have found the enthalpy at each state point and was subsequently able to determine the net work and heat addition to the system. I feel like I need to determine the mass flow rate by dividing 1000 MWe by Wnet and then plug that value into the equation for Qh to get thermal output.

In general, posting only a part of a question is not a good way to attract users interested in providing help. The OP is in possession of all the facts, yet, for whatever reason, he has only provided a few bits of information with which to work. No one wants to play Twenty (or Forty) Questions; there's other things to do.
 

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