What is the ORSC engine cycle?

• What is the ORSC engine cycle? by TeenSpaceNerd on 26 Jul, 2017 16:55
• I heard it is being used on the BE-4.  When I Google it, I get Organic Rankine Cycle (ORC).Does anyone have diagrams of an example ORSC engine?
• #1 by anield on 26 Jul, 2017 17:06
• ORSC = Oxidizer Rich Staged Combustion
  https://en.wikipedia.org/wiki/Staged_combustion_cycle
• #2 by envy887 on 26 Jul, 2017 17:12
• There is a Q&A on this topic here:
  
  https://forum.nasaspaceflight.com/index.php?topic=18646.40
  
  Most Russian engines, including the RD-180 used on Atlas V, use ORSC.
• #3 by TeenSpaceNerd on 26 Jul, 2017 21:39
• Quote from: anield on 26 Jul, 2017 17:06

  ORSC = Oxidizer Rich Staged Combustion
  https://en.wikipedia.org/wiki/Staged_combustion_cycle
  

  Thanks!