Gas turbine engine with means to facilitate cold start-up and shut-down and method for feeding such an engine with fuel

摘要

The engine unit comprises: a gas turbine engine (3); a main tank (17) of a first fuel; a main feed pipe (19) of the fuel from said main tank to a combustion chamber (5) of the turbine (7); a fuel feed control system (23). To facilitate the start-up phases, and if necessary the shut-down phases, an auxiliary tank (33) with a second fuel is provided, with an auxiliary feed pipe (31) from the auxiliary tank to the combustion chamber of the turbine. The control system is programmed to feed the second fuel to said turbine at least during the start-up transients of the turbine engine.