Assertion: turbine's flow | /r/CapableOf | wash the turbine disc
Facets:
value: to extract heat
type: PURPOSE
Source sentences:
text: A series of (e.g. labyrinth) seals allow a small flow of bleed air to wash the turbine disc to extract heat and, at the same time, pressurize the turbine rim seal, to prevent hot gases entering the inner part of the engine.