A combined cycle integrates a gas turbine (Brayton) and a steam turbine (Rankine) to utilize exhaust heat, achieving higher overall efficiency than either cycle alone.
Governing Formulaeta_combined > eta_simple
Knowledge Check
10 Questions
1.What is the primary purpose of combined cycle power plants?
2.Which practice improves reliability when analyzing combined cycle power plants?
3.What is a common engineering concern in combined cycle power plants?
4.Why are performance metrics used in combined cycle power plants?
5.What should be compared when validating a combined cycle power plants result?
6.What can happen when system parameters are poorly selected in combined cycle power plants?
7.Which engineering habit is important when documenting combined cycle power plants?
8.What does higher efficiency usually indicate in combined cycle power plants?
9.Why should physical engineering judgment still be applied to combined cycle power plants results?
10.Which factor can most directly affect the performance of combined cycle power plants?