Tophat: a smart way to get over 60% efficiency in simple cycle



  • TOPH_fig4
  • Tophat
  • Gas turbine in open Joule (Brayton) cycle
  • Compression and turbine outlet temperatures for adiabatic and wet compression
  • The Tophat cycle
  • Energy fir isothermal, wet and adiabatic compression
  • Enthalpy-temperature diagram for a recuperator of a large Tophat power station
  • Efficiencies for various compression arrangements
  • Stochimetric adiabatic flame temperatures (SAFTs)
  • Oxygen and steam concentration in blast wet after compression