Gas turbine exhaust systems with or without waste heat recovery
For this document, the exhaust system means all items in the turbine exhaust gas stream between the GT exhaust gas collector outlet flange and the termination/s to the atmosphere.
The following items are not covered by this document:
— heat recovery steam generator equipment (HRSG);
— supplementary fired systems;
— auxiliary fired systems;
— exhaust gas collector (also known as exhaust plenum);
— fire detection and extinguishing systems;
— emissions controls equipment intended to modify the gaseous composition of the exhaust gas;
— WHRUs that are of the firetube type, where the turbine exhaust gas (TEG) passes through the tubes.