公开(公告)号：US12098679B2

公开(公告)日：2024-09-24

申请号：US18337615

申请日：2023-06-20

Applicant: Rolls-Royce plc

Inventor： Christopher P Madden ,  David M Beaven ,  Craig W Bemment ,  Paul W Ferra ,  Barani P Gunasekaran ,  Benjamin J Keeler ,  Peter Swann ,  Martin K Yates

IPC: F02C7/262 ,  F23R3/34 ,  F02C7/22 ,  F02C7/264 ,  F02C9/46 ,  F23R3/28

CPC classification number: F02C7/262 ,  F23R3/343 ,  F02C7/222 ,  F02C7/264 ,  F02C9/46 ,  F23R3/28

Abstract: There is provided a method of operating a gas turbine engine. The gas turbine engine comprises a staged combustor comprising an arrangement of fuel spray nozzles in which fuel flow is biased to a subset of the nozzles adjacent one or more ignitors during a re-light procedure. The method comprises providing fuel to the combustor having a calorific value of at least 43.5 MJ/kg. Also disclosed is a gas turbine engine.