Abstract: In an axial compressor (10), in particular for a gas turbine, with a plurality of stages (ST1, . . . , ST5) which are arranged one behind the other between a compressor inlet (14) and a compressor outlet (15) and include in each case at least one ring of rotor blades (R) and one ring of stator blades (S), a substantial improvement is achieved in that, to minimize the losses in the individual stages (ST1, . . . , ST5), during operation of the axial compressor (10) in which water is injected into the compressor inlet (14) and evaporates on its way though the compressor (10) (what is known as “wet compression”), the variations, caused by the injected water, in the flow velocities (c1, cm1, w1) of the medium flowing though the compressor (10) are largely compensated by a controlled change in the geometry of the blades (R, S).

Abstract: Disclosed is a gas turbine power generating system capable of achieving a high output power and a high power generating efficiency under conditions with a small amount of supplied water and less change in design of a gas turbine. A fine water droplet spraying apparatus (11) is disposed in a suction air chamber (22) on the upstream side of an air compressor (2), and a moisture adding apparatus (7) for adding moisture to high pressure air supplied from the compressor (2) is disposed. A regenerator (5) for heating the air to which moisture has been added by using gas turbine exhaust gas a heat source is also provided. With this configuration, there can be obtain an effect of reducing a power for the compressor (2) and an effect of increasing the output power due to addition of moisture to air (20) for combustion. Further, since the used amount of fuel is reduced by adopting a regenerating cycle, the power generating efficiency is improved.

Abstract: A power augmentation method for a gas turbine in which water is injected into one or more stages of an auxiliary compressor to produce a vapor containing gas stream. The vapor containing gas stream is at least in part introduced into combustors of the gas turbine for power augmentation. Part of the vapor containing compressed gas stream can be introduced into a reactor to generate a hydrogen containing synthesis gas to support lower flame temperatures occurring within the combustors of the gas turbine due to the introduction of the vapor containing gas stream. In such manner, NOx emissions of the gas turbine can be reduced. Furthermore, the power augmentation method can be conducted in conjunction with an integrated gasification combined cycle.

Abstract: A gas turbine engine (10) comprises a second compressor (14), a first compressor (16), a heat exchanger (18), a combustor (20), a first turbine (22), a second turbine (24) and a third turbine (26) arranged in flow series. The first turbine (22) is arranged to drive the first compressor (16). The second turbine (24) is arranged to drive the second compressor (14). There are means to inject liquid into the gas turbine engine (10). The means to inject liquid is arranged to inject liquid upstream (46) of the second compressor (14), within (48) the second compressor (14), between (50) the second compressor (14) and the first compressor (16), within (52) the first compressor (16), between (54) the first compressor (16) and the heat exchanger (18) or within (56) the combustor (20) to boost the power of the gas turbine engine (10).

Abstract: A fogging device (26) for introducing water and/or vapor into an intake air flow (10, 27) of a gas turbine (1–3) includes a sound-absorbing device (31, 35). This device may in particular be designed in the form of Venturi tubes (31), the water (29) being fed to the air flow (27) via nozzles (33) arranged at the narrowest location. In this way, the spraying of water for increasing the power output or for generally regulating the gas turbine can at the same time be combined with a silencer, and this in a comparatively simple construction.

Abstract: A silencer (25a) for the attenuation of noise occurring in an intake airstream (10, 27) of a gas turbine (1–3) includes a device or devices (31, 32, 33, 34) for the introduction of water and/or steam into the intake airstream (10, 27). These devices may be designed, in particular, in the form of Venturi tubes (31), the water (29) being supplied, in particular above the saturation limit, to the airstream (27) via nozzles (33) arranged at the narrowest point. In this way, the silencing can be combined at the same time with the introduction of water for increasing the power output or for the general regulation of the gas turbine, this being achieved with a comparatively simple design.

Abstract: The present invention relates to an air humidifier for adding moisture to a working medium of a gas turbine for humidification, and gas turbine electric power generation equipment for driving the gas turbine by the working medium of high moisture to general electricity. An object of the present invention is to reduce pressure loss of burned exhaust gas of the gas turbine to improve output or efficiency of electric power generation. There comprises a humidifier (3), a combustor (5), a turbine (6), a generator (7), and a water recovery unit (10), further comprises an exhaust gas reheater (11) for heating burned exhaust gas discharged from the water recovery unit by surplus water discharged from the humidifier.

Abstract: The present invention relates to an air humidifier for adding moisture to a working medium of a gas turbine for humidification, and gas turbine electric power generation equipment for driving the gas turbine by the working medium of high moisture to general electricity. An object of the present invention is to reduce pressure loss of burned exhaust gas of the gas turbine to improve output or efficiency of electric power generation. There comprises a humidifier (3), a combustor (5), a turbine (6), a generator (7), and a water recovery unit (10), further comprises an exhaust gas reheater (11) for heating burned exhaust gas discharged from the water recovery unit by surplus water discharged from the humidifier.

Abstract: A supercharging system for gas turbine power plants (11). The system includes a supercharging fan (30, 32) and controller (50) for limiting turbine power output to prevent overload of the generator (28) at lower ambient temperatures. The controller can limit power output by burner control, inlet temperature control, control of supercharging fan pressure and other options. The system can be retrofit on an existing turbine without replacing the generator and associated parts.

Abstract: High-efficiency combustion engines, including Otto cycle engines, use a steam-diluted fuel charge at elevated pressure. Air is compressed, and water is evaporated into the compressed air via the partial pressure effect using waste heat from the engine. The resultant pressurized air-steam mixture then burned in the engine with fuel, preferably containing hydrogen to maintain flame front propagation. The high-pressure, steam-laden engine exhaust is used to drive an expander to provide additional mechanical power. The exhaust can also be used to reform fuel to provide hydrogen for the engine combustion. The engine advantageously uses the partial pressure effect to convert low-grade waste heat from engine into useful mechanical power. The engine is capable of high efficiencies (e.g. >50%), with minimal emissions.

Abstract: A gas turbine comprises a compressor for compressing a gas supplied therein and discharging the compressed gas, a combustor in which the discharged gas from the compressor and a fuel are combusted, a turbine to be driven by a combustion gas from the combustor, and a water injection unit which injects water into the gas to be supplied to the compressor, thereby lowering the temperature of the gas to be introduced into the compressor to a temperature lower than the atmospheric temperature, and causing water droplets having been injected in the gas and within the compressor to be vaporized while flowing down therein, wherein the quantity of water spray injection is controlled while monitoring operational conditions of the gas turbine.

Abstract: A gas turbine or the like with an axial flow inlet compressor has a fogging system for introducing water droplets into the air inlet to the compressor. A compressor may exhibit a “surge” in the event air temperature drops rapidly, which may occur in the event introduction of fogging water droplets is essentially instantly discontinued. One or more pressure accumulators are connected to the water supply of the fog generating system so that in the event there is an interruption in the water supply the accumulator can provide a gradually decreasing water flow to the fog generator. The accumulator gradually decreases water flow for at least about one second. In a fog system having a plurality of fog generating manifolds, separate accumulators may be connected to each manifold.

Abstract: Disclosed is a gas turbine power generating system capable of achieving a high output power and a high power generating efficiency under conditions with a small amount of supplied water and less change in design of a gas turbine. A fine water droplet spraying apparatus (11) is disposed in a suction air chamber (22) on the upstream side of an air compressor (2), and a moisture adding apparatus (7) for adding moisture to high pressure air supplied from the compressor (2) is disposed. A regenerator (5) for heating the air to which moisture has been added by using gas turbine exhaust gas as a heat source is also provided. With this configuration, there can be obtain an effect of reducing a power for the compressor (2) and an effect of increasing the output power due to addition of moisture to air (20) for combustion. Further, since the used amount of fuel is reduced by adopting a regenerating cycle, the power generating efficiency is improved.

Abstract: A gas turbine engine (10) comprises a second compressor (14), a first compressor (16), a heat exchanger (18), a combustor (20), a first turbine (22), a second turbine (24) and a third turbine (26) arranged in flow series. The first turbine (22) is arranged to drive the first compressor (16). The second turbine (24) is arranged to drive the second compressor (14). There are means to inject liquid into the gas turbine engine (10). The means to inject liquid is arranged to inject liquid upstream (46) of the second compressor (14), within (48) the second compressor (14), between (50) the second compressor (14) and the first compressor (16), within (52) the first compressor (16), between (54) the first compressor (16) and the heat exchanger (18) or within (56) the combustor (20) to boost the power of the gas turbine engine (10).

Abstract: The mister includes a plurality of manifolds extending between opposite sides of a duct. Each manifold carries a plurality of nozzles at laterally spaced positions along the length of the manifold. The manifolds are spaced one behind the other in the direction of air flow in the duct and the pipes connecting the nozzles of the intermediate and upstream manifolds bypass the downstream manifolds to provide the nozzles in a common plane perpendicular to the direction of air flow in the duct. This arrangement affords a uniformity of spray and, hence, a uniformity of humidified air to the inlet of the compressor.

Abstract: A power generating apparatus 20? includes an electrical generator 22? and a combustion turbine 24? for driving the electrical generator. The combustion turbine 24? may have a combustion turbine air inlet 30? for receiving an inlet air flow 25?. The power generating apparatus 20? may also include an evaporative water cooler 26? for evaporating water into the inlet air flow 25? to cool the inlet air flow, and an inlet air flow temperature sensor 28? between the evaporative water cooler and the combustion turbine air inlet 30?. The inlet air flow temperature sensor 28? may include a hollow body 32? connected in fluid communication with the inlet air flow 25?, and a temperature sensing device 34? carried by the hollow body. The hollow body 32? may include interior portions to reduce water accumulation on the temperature sensing device 34? so that the temperature sensing device senses a drybulb temperature.

Abstract: A multi-function spray nozzle for engine applications useful as a cooling device to introduce a fluid into the fluid stream of the engine, and as a cleaning device to introduce a fluid to clean internal components of the engine. The nozzle includes a multi-layered arrangement of etched plates defining flow paths for the first and second fluids. Non-radial feed slots direct the first fluid into a cylindrical swirl chamber. The swirling fluid exits the swirl chamber through a spray orifice or a prefilmer, depending on whether the nozzle is configured as a simplex or prefilmer nozzle. Other non-radial feed slots direct the second fluid inward, downstream of the first fluid, to create a fine dispersion of droplets for fluid stream cooling purposes. During cleaning, only the first fluid is introduced through the nozzle, which results in a larger droplet size suitable for cleaning purposes of the internal components of the engine.

Abstract: The present invention relates to an air humidifier for adding moisture to a working medium of a gas turbine for humidification, and gas turbine electric power generation equipment for driving the gas turbine by the working medium of high moisture to general electricity. An object of the present invention is to reduce pressure loss of burned exhaust gas of the gas turbine to improve output or efficiency of electric power generation. There comprises a humidifier (3), a combustor (5), a turbine (6), a generator (7), and a water recovery unit (10), further comprises an exhaust gas reheater (11) for heating burned exhaust gas discharged from the water recovery unit by surplus water discharged from the humidifier.

Abstract: In a cooling-air cooler for a gas-turbine plant of a power plant, in which cooling-air cooler first means for spraying water into the cooling-air flow and second means for generating steam are arranged in a pressure vessel, through which the cooling air flows, between a cooling-air inlet and a cooling-air outlet in the cooling-air flow, simplified operation is achieved in that a water separator is provided on the cooling-air side in the direction of flow downstream of the first means.

Abstract: A gas-turbine supercharging system with improved control. A gas-turbine supercharger that preferably comprises a variable-pitch axial flow fan and a logger supplies, cooled, pressurized air to a gas-turbine power plant. The gas-power plant is preferably a part of combined-cycle power plant that comprises a steam cycle and a duct burner. A controller modulates the output of the fogger and the supercharging fan to maximize the total plant output and provide optimum efficiency without exceeding plant operating limits. The fogger and fan are preferably selected to maximize the allowable output from gas turbine at summer peaking conditions. For the case of a combined-cycle power plant, the preferred mode of operation is to reduce fog output while maintaining a maximum fan pressure as ambient temperature drops below the maximum design value.

Abstract: The invention concerns a turbine arrangement comprising a gas turbine unit with a compressor (10), a combustion chamber (12) and a turbine expander (14). The turbine arrangement also has a first unit (20) for heat exchange and steam generation. This first unit (20) receives gas from the turbine expander (14). The first unit (20) comprises a first and a second gas flow path which are at least partly separated from each other. A supplementary combustion unit (32) is arranged to heat the gas in said first gas flow path. Further included is a steam turbine circuit with a steam turbine (30) which is driven with steam generated with the help of the first unit (20). A humidifying device (34) is arranged to add a liquid to a gas from the compressor (10) and a first conduit member (51) conducts humidified gas from the humidifying device (34) to the combustion chamber (12). The first gas conduit member (51) is arranged such that heating of the humidified gas is done with the first unit (20).

Abstract: A novel power generation system, more specifically an integrated power generation and air separation system and an integrated power generation and air separation process is provided. A key component of the system and process is an oxygen-fired combustor designed for gas turbine operating pressures. The combustor produces a high-temperature gas stream that enters one or more heat exchangers to generate/heat steam, and then enters one or more turbines to generate power. The steam from the heat exchanger drives one or more steam turbines to generate power, and the discharged steam is admitted to the combustor. To maximize cycle efficiency, steam extraction and reheat is incorporated in the process. Additional power is generated from a high-pressure nitrogen stream produced by an air separation unit (ASU). This process has the potential to attain high cycle efficiencies with zero emissions, while utilizing existing or near-term steam turbines, and moderate-pressure combustion systems.

Abstract: Disclosed is a gas turbine power generating system capable of achieving a high output power and a high power generating efficiency under conditions with a small amount of supplied water and less change in design of a gas turbine. A fine water droplet spraying apparatus (11) is disposed in a suction air chamber (22) on the upstream side of an air compressor (2), and a moisture adding apparatus (7) for adding moisture to high pressure air supplied from the compressor (2) is disposed. A regenerator (5) for heating the air to which moisture has been added by using gas turbine exhaust gas as a heat source is also provided. With this configuration, there can be obtain an effect of reducing a power for the compressor (2) and an effect of increasing the output power due to addition of moisture to air (20) for combustion. Further, since the used amount of fuel is reduced by adopting a regenerating cycle, the power generating efficiency is improved.

Abstract: In a cooling-air cooler (10) for a gas-turbine plant (29) of a power plant, in which cooling-air cooler (10) first means (13, 14, 15) for spraying water into the cooling-air flow and second means (16, 17, 18) for generating steam are arranged in a pressure vessel (11), through which the cooling air flows, between a cooling-air inlet (12) and a cooling-air outlet (20) in the cooling-air flow, simplified operation is achieved in that a water separator (19) is provided on the cooling-air side in the direction of flow downstream of the first means (13, 14, 15).

Abstract: A method for augmenting the net output of a gas turbine having an inlet for acquiring a fluid such as air to be compressed is disclosed. The method comprising the following steps: providing a first flow of liquid water comprising liquid droplets to the fluid to be compressed at a first location upstream of the gas turbine for providing evaporative cooling; and providing a second flow of liquid water comprising liquid droplets to the intake air to be compressed at a second location downstream of the first location and proximate to the gas turbine for providing power augmentation.

Abstract: High-efficiency combustion engines, including Otto cycle engines, use a steam-diluted fuel charge at elevated pressure. Air is compressed, and water is evaporated into the compressed air via the partial pressure effect using waste heat from the engine. The resultant pressurized air-steam mixture then burned in the engine with fuel, preferably containing hydrogen to maintain flame front propagation. The high-pressure, steam-laden engine exhaust is used to drive an expander to provide additional mechanical power. The exhaust can also be used to reform fuel to provide hydrogen for the engine combustion. The engine advantageously uses the partial pressure effect to convert low-grade waste heat from engine into useful mechanical power. The engine is capable of high efficiencies (e.g. >50%), with minimal emissions.

Abstract: An engine comprising an isothermal air compressor (1) into which liquid is sprayed as the air is compressed. A combustion chamber (4) receives and expands the compressed air from which the liquid has been removed, to generate power. A precompressor (21, 27) compresses the air upstream of the isothermal compressor. The compressed air from the isothermal compressor receives heat from the exhaust gas from the combustion chamber in a primary heat exchanger (3). A secondary heat exchanger (31, 45) transfers heat recovered from a part of the engine to the compressed air from the isothermal compressor (1) upstream of the primary heat exchanger (3).

Abstract: A gas turbine comprises a compressor for compressing a gas supplied therein and discharging the compressed gas, a combustor in which the discharged gas from the compressor and a fuel are combusted, a turbine to be driven by a combustion gas from the combustor, and a water injection unit which injects water into the gas to be supplied to the compressor, thereby lowering the temperature of the gas to be introduced into the compressor to a temperature lower than the atmospheric temperature, and causing water droplets having been injected in the gas and within the compressor to be vaporized while flowing down therein, wherein the quantity of water spray injection is controlled while monitoring operational conditions of the gas turbine.

Abstract: A dual fuel power generation system employing a steam-mixed fuel and/or a gaseous fuel to power a turbine engine. The steam-mixed fuel is a gaseous mixture of a light hydrocarbon and steam. The steam-mixed fuel and gaseous fuel are delivered to the turbine engine (either individually or mixed) via a common fuel controller, a common fuel distribution system, and a common gas-only fuel nozzle.

Abstract: An inlet air flow temperature sensor 28 includes a hollow body 32 connected in fluid communication with an inlet air flow 25 a temperature sensing device 34 carried by the hollow body. The hollow body 32 includes interior portions that define a tortuous path of air flow P. The tortuous path of air flow 49 reduces water accumulation on the temperature sensing device 34. The inlet air flow temperature sensor 28 may be used to sense temperature of an inlet air flow 25 associated with an evaporatively cooled combustion turbine 24 that has a combustion turbine air inlet 30 to receive the inlet air flow 25. The evaporatively cooled combustion turbine may, in turn, be used to drive an electrical generator 22.

Abstract: An installation for generating energy comprises a compressor assembly for compressing air, having a low-pressure compressor, which is connected to a high-pressure compressor via a primary air path. Furthermore, a compressor turbine assembly is provided for the purpose of driving the low-pressure compressor and/or the high-pressure compressor. The installation also has a combustion device for burning a suitable mixture of compressed air and a fuel, and a power turbine with a rotatable shaft for releasing mechanical energy. An exhaust-gas pipe system is connected to the exhaust-gas outlet of the power turbine.

Abstract: A turbine inlet air-cooling system improves turbine performance and efficiency. A dehumidifier receives process airflow and reduces a moisture content of the process airflow. An indirect evaporative cooler receives the process airflow from the dehumidifier and is driven by the process airflow from the dehumidifier such that a first portion of the process airflow is contacted directly with water and a second portion of the process airflow is cooled without any addition of moisture. A direct evaporative cooler receives the second portion of the process airflow, which is contacted directly with water to provide evaporative cooling. Subsequently, the direct evaporative cooler outputs the second portion of the process airflow to the turbine.

Abstract: An object of the present invention is to provide a gas turbine power generator capable of increasing the power generation efficiency in partial load operation and decreasing a variation in the number of rotations caused by a variation in power generation load. The gas turbine power generator comprises a compressor (2) for compressing air, a combustor (5) for burning the compressed air and fuel, a turbine (6) driven by combustion gas produced in the combustor and driving the compressor (2) and a generator (7), a regenerative heat exchanger (4) for exchanging heat between exhaust gas from the turbine and the compressed air led into the combustor, an intake air sprayer (1), and a humidifier (3). Intake air flown into the regenerative heat exchanger (4) is humidified and cooled by the intake air sprayer (1) and the humidifier (3).

Abstract: The present invention provides a fuel system for an engine including a water supply source for providing water and a fuel supply source for providing fuel. A centrifugal pump is fluidly connected to the water and fuel supply sources, respectively at water and fuel inputs. The pump receives the water and the fuel from the inputs and produces a homogeneous mixture without using other pumps or mixing devices. A metering device is arranged between the pump and one of the supply sources, preferably the water supply source, to produce the desired ratio of water and fuel. The speed of the pump is varied to deliver the desired total volume and pressure of fuel and water to the engine through the pump output. The water metering device may be closed to deliver only fuel to the engine during special conditions such as engine startup and rapid load dumps. Operation of the system is simplified because only one pump and metering device is used.

Abstract: The present invention relates to a silencer (25a) for the attenuation of noise occurring in an intake airstream (10, 27) of a gas turbine (1-3). According to the invention, in this case, the silencer (25a) has means (31, 32, 33, 34) for the introduction of water and/or steam into the intake airstream (10, 27). These means may be designed, in particular, in the form of Venturi tubes (31), the water (29) being supplied, in particular above the saturation limit, to the airstream (27) via nozzles (33) arranged at the narrowest point. In this way, the silencing can be combined at the same time with the introduction of water for increasing the power output or for the general regulation of the gas turbine, this being achieved with a comparatively simple design.

Abstract: A multi-function spray nozzle for engine applications useful as a cooling device to introduce a fluid into the fluid stream of the engine, and as a cleaning device to introduce a fluid to clean internal components of the engine. The nozzle includes a multi-layered arrangement of etched plates defining flow paths for the first and second fluids. Non-radial feed slots direct the first fluid into a cylindrical swirl chamber. The swirling fluid exits the swirl chamber through a spray orifice or a prefilmer, depending on whether the nozzle is configured as a simplex or prefilmer nozzle. Other non-radial feed slots direct the second fluid inward, downstream of the first fluid, to create a fine dispersion of droplets for fluid stream cooling purposes. During cleaning, only the first fluid is introduced through the nozzle, which results in a larger droplet size suitable for cleaning purposes of the internal components of the engine.

Abstract: An improvement to an energy conversion engine in which fuel is combusted with compressed air is disclosed. Referring to FIG. 3, the inlet air to compressor (30) is chilled in chiller (34) sufficiently to condense moisture. The moisture is pressurized and routed to at least one of chilled inlet fogger (312) and compressed air sprayer (314). Engine exhaust heats an absorption refrigeration unit once-through generator (316), which supplies the refrigeration to chiller (34).

Abstract: A gas turbine comprises a compressor for compressing a gas supplied therein and discharging the compressed gas, a combustor in which the discharged gas from the compressor and a fuel are combusted, a turbine to be driven by a combustion gas from the combustor, and an injection unit which injects water into the gas to be supplied to the compressor, thereby lowering the temperature of the gas. to be introduced into the compressor than the atmospheric temperature, and causing water droppers having been injected in the gas and within the compressor to be vaporized while flowing down therein, wherein the quantity of water spray injection is controlled while monitoring operational conditions of the gas turbine.

Abstract: A gas turbine installation which includes a compressor which compresses supplied air and discharges the same, a combustor which combusts the compressed air obtained from the compressor and fuel and produces combustion gas, a turbine which is driven by combustion gas provided from the combustor, a regenerative heat exchanger which heats all or a part of the compressed air being supplied from the compressor to the combustor by making use of the heat of the exhaust gas exhausted from the turbine and a plurality of water spraying devices which are provided at positions from an intake air chamber of the compressor to the outlet of low temperature side gas flow passage in the regenerative heat exchanger and is characterized in that the regenerative heat exchanger is constituted by connecting in series a plurality of heat exchangers having different heat transfer surface configurations.

Abstract: A gas turbine installation which includes a compressor which compresses supplied air and discharges the same, a combustor which combusts the compressed air obtained from the compressor and fuel and produces combustion gas, a turbine which is driven by combustion gas provided from the combustor, a regenerative heat exchanger which heats all or a part of the compressed air being supplied from the compressor to the combustor by making use of the heat of the exhaust gas exhausted from the turbine and a plurality of water spraying devices which are provided at positions from an intake air chamber of the compressor to the outlet of low temperature side gas flow passage in the regenerative heat exchanger and is characterized in that the regenerative heat exchanger is constituted by connecting in series a plurality of heat exchangers having different heat transfer surface configurations.

Abstract: Disclosed is a gas turbine power generating system capable of achieving a high output power and a high power generating efficiency under conditions with a small amount of supplied water and less change in design of a gas turbine.

Abstract: The present invention relates to an air humidifier for adding moisture to a working medium of a gas turbine for humidification, and gas turbine electric power generation equipment for driving the gas turbine by the working medium of high moisture to general electricity. An object of the present invention is to reduce pressure loss of burned exhaust gas of the gas turbine to improve output or efficiency of electric power generation. There comprises a humidifier (3), a combustor (5), a turbine (6), a generator (7), and a water recovery unit (10), further comprises an exhaust gas reheater (11) for heating burned exhaust gas discharged from the water recovery unit by surplus water discharged from the humidifier.

Abstract: A gas turbine comprises a compressor for compressing a gas supplied therein and discharging the compressed gas, a combustor in which the discharged gas from the compressor and a fuel are combusted, a turbine to be driven by a combustion gas from the combustor, and a water injection unit which injects water into the gas to be supplied to the compressor, thereby lowering the temperature of the gas to be introduced into the compressor to a temperature lower than the atmospheric temperature, and causing water droplets having been injected in the gas and within the compressor to be vaporized while flowing down therein, wherein the quantity of water spray injection is controlled while monitoring operational conditions of the gas turbine.

Abstract: An installation for generating energy comprises a compressor assembly for compressing air, having a low-pressure compressor, which is connected to a high-pressure compressor via a primary air path. Furthermore, a compressor turbine assembly is provided for the purpose of driving the low-pressure compressor and/or the high-pressure compressor. The installation also has a combustion device for burning a suitable mixture of compressed air and a fuel, and a power turbine with a rotatable shaft for releasing mechanical energy. An exhaust-gas pipe system is connected to the exhaust-gas outlet of the power turbine.

Abstract: A power augmenting spray nozzle assembly for directing a fine liquid spray into an air inlet of a gas turbine. The nozzle assembly includes a nozzle body, and an orifice member supported within the body and having an upstream whirl chamber and a downstream discharge orifice for directing liquid into a predetermined conical spray pattern. The orifice member is made of a corundum, preferably a synthetic ruby or sapphire material, having surfaces of a hardness of 9 MOHS such that the discharge orifice is effective for discharging a fine liquid spray with substantially uniform, fine liquid particles.

Abstract: An inlet air flow temperature sensor 28 includes a hollow body 32 connected in fluid communication with an inlet air flow 25 a temperature sensing device 34 carried by the hollow body. The hollow body 32 includes interior portions that define a tortuous path of air flow P. The tortuous path of air flow 49 reduces water accumulation on the temperature sensing device 34. The inlet air flow temperature sensor 28 may be used to sense temperature of an inlet air flow 25 associated with an evaporatively cooled combustion turbine 24 that has a combustion turbine air inlet 30 to receive the inlet air flow 25. The evaporatively cooled combustion turbine may, in turn, be used to drive an electrical generator 22.

Abstract: A gas turbine comprises a compressor for compressing a gas supplied therein and discharging the compressed gas, a combustor in which the discharged gas from the compressor and a fuel are combusted, a turbine to be driven by a combustion gas from the combustor, and a water injection unit which injects water into the gas to be supplied to the compressor, thereby lowering the temperature of the gas to be introduced into the compressor to a temperature lower than the atmospheric temperature, and causing water droplets having been injected in the gas and within the compressor to be vaporized while flowing down therein, wherein the quantity of water spray injection is controlled while monitoring operational conditions of the gas turbine.

Abstract: A gas turbine plant includes at least one compressor compressing intake air, at least one component for heat supply heating the intake air compressed by the compressor, at least one gas turbine using as a working medium the hot air from the component for heat supply, and at least one generator coupled to the gas turbine. A cooling device is provided which permits the cooling of at least a portion of the intake air and/or a portion of partially compressed intake air within the at least one compressor.

Abstract: A gas turbine comprises a compressor for compressing a gas supplied therein and discharging the compressed gas, a combustor in which the discharged gas from the compressor and a fuel are combusted, a turbine to be driven by a combustion gas from the combustor, and a water injection unit which injects water into the gas to be supplied to the compressor, thereby lowering the temperature of the gas to be introduced into the compressor to a temperature lower than the atmospheric temperature, and causing water droplets having been injected in the gas and within the compressor to be vaporized while flowing down therein, wherein the quantity of water spray injection is controlled while monitoring operational conditions of the gas turbine.

Abstract: A gas turbine comprises a compressor for compressing a gas supplied therein and discharging the compressed gas, a combustor in which the discharged gas from the compressor and a fuel are combusted, a turbine to be driven by a combustion gas from the combustor, and a water injection unit which injects water into the gas to be supplied to the compressor, thereby lowering the temperature of the gas to be introduced into the compressor to a temperature lower than the atmospheric temperature, and causing water droplets having been injected in the gas and within the compressor to be vaporized while flowing down therein, wherein the quantity of water spray injection is controlled while monitoring operational conditions of the gas turbine.