PREDICTING FUEL BURN AND EMISSIONS FOR AIRCRAFTA method for fueling an aircraft comprises (a) predicting a sequence of fuel-burn quantities over a planned flight based on at least one sequence of multivariate flight data recorded during a prior fl…DRIVE·May 22·1 min readFollowF02C9/26The Boeing Company
MODEL BASED FUEL-AIR RATIO CONTROLA gas turbine engine comprises a compressor (30, 32) , a combustor (14), a turbine (34, 36), and an electronic engine control system (102). The compressor, combustor, and turbine are arranged in flow …DRIVE·May 7·1 min readFollowF02C9/26RTX CORP [US]
Controlling combustion system with fuel chemical induction timeA gas turbine system (100) includes a gas turbine (130) including a combustor (132) for combusting a fuel and a control assembly (110) configured to control at least one of a fuel system (140) and the…DRIVE·Jun 11·1 min readFollowF02C9/26GEN ELECTRIC [US]
A system and method for operating a gas turbine in a turndown modeA system for operating a thermal power plant 10 during off-peak demand intervals includes a gas turbine 12 having a compressor 18, a combustor 22 connected to a fuel control system 26, a turbine 30 an…DRIVE·Jun 4·2 min readFollowF02C9/26GEN ELECTRIC [US]
Gas turbine combustorThe present invention relates to a burner for a combustion chamber of a gas turbine with a mixing and injection device (43), wherein the mixing and injection device (43) is comprising a limiting wall …DRIVE·Apr 30·2 min readFollowF02C9/26ALSTOM TECHNOLOGY LTD [CH]
Systems and methods for minimizing coking in gas turbine enginesEmbodiments of the disclosure can provide systems (200) and methods (400) for minimizing coking in gas turbine engines. According to one embodiment, there is disclosed a system (200) for minimizing co…DRIVE·Nov 20·1 min readFollowF02C9/26GEN ELECTRIC [US]
Fuel flow control method and fuel flow control system of gas turbine combustor for humid air gas turbineProvided is a fuel flow control method of a gas turbine combustor 2 provided in a humid air gas turbine, by which method NOx generation in the gas turbine combustor 2 is restricted before and after th…DRIVE·Jul 10·2 min readFollowF02C9/26HITACHI LTD [JP]
Method for Operating a Combustion Device During Transient OperationThe disclosure refers to a method for operating a combustion device during a transient operation. The combustion device is fed with at least a fuel. The transient operation includes a period having a …DRIVE·May 29·1 min readFollowF02C9/26ALSTOM TECHNOLOGY LTD [CH]
Fuel system of a gas turbineA fuel system comprises a fuel actuation arrangement 28 operable to split a metered flow of fuel into at least a first stream and a second stream, a control unit 25 controlling the operation of the fu…DRIVE·Apr 24·1 min readFollowF02C9/26ROLLS ROYCE ENGINE CONTROL SYSTEMS LTD [GB]
Method for switching over a combustion device of a gas turbine engine from operation with a first premixed fuel to a second premixed fuelThe method for switching over a combustion device, for example a burner of a gas turbine engine, from operation with a first premix fuel (10) to a second premix fuel (11) comprises reducing and stoppi…DRIVE·Mar 6·1 min readFollowF02C9/26ALSTOM TECHNOLOGY LTD [CH]
Combustor with integrated control valve systemThe present application thus provides an integrated fuel control valve system (100) for use with a number of fuel manifolds (70) of a combustor (25). The integrated fuel control valve system (100) may…DRIVE·Oct 10·1 min readFollowF02C9/26GEN ELECTRIC [US]
Stroke transmitter for gas turbineA stroke transmitter (1) is presented. The stroke transmitter (1) includes a conduit (7) for providing a passage to a fluid, an actuating unit (2) for increasing pressure in an hydraulic fluid, a valv…DRIVE·Sep 19·1 min readFollowF02C9/26SIEMENS AG [DE]
Approach to extending life of gas turbine enginesMethods of increasing lifetimes of components in a gas turbine engine are described. Ordinarily, components are replaced after they experience a certain number of thermal cycles, or a certain operatin…DRIVE·Jan 11·1 min readFollowF02C9/26GEN ELECTRIC [US]
Method and system for controlling a fuel flow to a turbomachineMethod of controlling a fuel flow to a turbomachine and turbine control system. The turbine control system (190) receives a plurality of operating data. The turbine control system (190) utilizes at le…DRIVE·Jun 29·1 min readFollowF02C9/26GEN ELECTRIC [US]
Method of controlling a gas combustor of a gas turbineA gas combustor has a peripheral premix burner (5), and a central diffusion burner (4) whose nozzle (6) defines an eccentric first channel (9) housing an ignition device (10), an axial second channel …DRIVE·Nov 16·1 min readFollowF02C9/26ANSALDO ENERGIA SPA [IT]
METHOD AND SYSTEM FOR CONTROLLING GAS TURBINE ENGINEIn a control method of a gas turbine engine, an engine controller 4 outputs a combustor power command FD based on an engine condition from an engine condition detector 3. Then, a combustion controller…DRIVE·Jul 20·1 min readFollowF02C9/26KAWASAKI HEAVY IND LTD [JP]
Method and device for levelling out the fluctuation of fuel composition in a gas turbineProcess for equalizing fluctuations of a fuel composition in a gas turbine arrangement comprises regulating a fuel supply to two fuel stages, and adjusting and maintaining the fuel split at a target v…DRIVE·Apr 20·1 min readFollowF02C9/26SIEMENS AG [DE]
Device for estimating fuel mass flow rateThe device has a mass flow meter to measure mass flow of a fuel, and a prediction module (26) to find estimated values including estimated metering position and mass flow. Residue calculators (20, 22)…DRIVE·Mar 2·1 min readFollowF02C9/26SNECMA MOTEURS [FR]
Method and system of synthesizing turbine inlet temperature of a turbo machineA method of synthesizing rotor inlet temperature in a turbine comprises the steps of determining a burner fuel flow (WFGG), a burner inlet pressure (PS32), and a compressor discharge temperature (T3) …DRIVE·Dec 1·1 min readFollowF02C9/26UNITED TECHNOLOGIES CORP [US]
Method to extend the life of a gas turbine engineMethods of increasing lifetimes of components in a gas turbine engine are described. Ordinarily, components are replaced after they experience a certain number of thermal cycles, or a certain operatin…DRIVE·Nov 12·1 min readFollowF02C9/26GEN ELECTRIC [US]
Method and device for controlling thermoacoustic instabilities or vibrations in a combustion systemThe method involves measuring pressure oscillations and/or thermal release oscillations in the combustion system (15), filtering, delaying and amplifying the measurement signal and modulating the fuel…DRIVE·Oct 1·1 min readFollowF02C9/26ALSTOM SWITZERLAND LTD [CH]
Fuel supply system and method of operating the sameThe invention relates to a fuel supply system (1) which supplies a burner arrangement (8) with at least one burner (7), in particular a gas turbine (10), with fuel. The fuel supply system (1) has a co…DRIVE·Jan 8·2 min readFollowF02C9/26ALSTOM SWITZERLAND LTD [CH]
Method for controlling fuel supplyThe method involves feeding the fuel with a pump (2), dispensing it into the engine by a fuel dosing valve (5) and regulating the pressure to which the fuel dosing valve is subjected using a recircula…DRIVE·Oct 17·1 min readFollowF02C9/26MTU AERO ENGINES GMBH [DE]