Noun
a turbine with blades arranged to develop torque from gradual decrease of steam pressure from inlet to exhaust
Source: WordNetA turbine composed of moving nozzles alternating with fixed nozzles is called a reaction turbine or Parsons turbine. Source: Internet
Whilst this makes the Parsons turbine much longer and heavier, the overall efficiency of a reaction turbine is slightly higher than the equivalent impulse turbine for the same thermal energy conversion. Source: Internet
A reaction turbine needs to fully contain the water during energy transfer. Source: Internet
The Francis reaction turbine is still in wide use today. Source: Internet