CN115324735A - Gas turbine inlet gas isenthalpic cooling device and method - Google Patents

Gas turbine inlet gas isenthalpic cooling device and method Download PDF

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Publication number
CN115324735A
CN115324735A CN202210975510.5A CN202210975510A CN115324735A CN 115324735 A CN115324735 A CN 115324735A CN 202210975510 A CN202210975510 A CN 202210975510A CN 115324735 A CN115324735 A CN 115324735A
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China
Prior art keywords
water
gas turbine
cooling device
return
isenthalpic
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CN202210975510.5A
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Chinese (zh)
Inventor
陈仁贵
牛兵
陈磊
王钢
孙卫鹏
刘莉
徐新俊
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Jiangsu Wind Action Technology Co ltd
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Jiangsu Wind Action Technology Co ltd
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Priority to CN202210975510.5A priority Critical patent/CN115324735A/en
Publication of CN115324735A publication Critical patent/CN115324735A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/12—Cooling of plants
    • F02C7/14—Cooling of plants of fluids in the plant, e.g. lubricant or fuel
    • F02C7/141—Cooling of plants of fluids in the plant, e.g. lubricant or fuel of working fluid
    • F02C7/143—Cooling of plants of fluids in the plant, e.g. lubricant or fuel of working fluid before or between the compressor stages
    • F02C7/1435—Cooling of plants of fluids in the plant, e.g. lubricant or fuel of working fluid before or between the compressor stages by water injection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/04—Air intakes for gas-turbine plants or jet-propulsion plants
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/04—Air intakes for gas-turbine plants or jet-propulsion plants
    • F02C7/045—Air intakes for gas-turbine plants or jet-propulsion plants having provisions for noise suppression
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/04—Air intakes for gas-turbine plants or jet-propulsion plants
    • F02C7/05—Air intakes for gas-turbine plants or jet-propulsion plants having provisions for obviating the penetration of damaging objects or particles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/04—Air intakes for gas-turbine plants or jet-propulsion plants
    • F02C7/057—Control or regulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/12—Cooling of plants
    • F02C7/16—Cooling of plants characterised by cooling medium

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)

Abstract

The invention relates to the technical field of gas turbines, in particular to an inlet air isenthalpic cooling device and method of a gas turbine, and the inlet air isenthalpic cooling device comprises a steel shell, a silencer, a flow stabilizing chamber, a gas turbine, a load, a water feeding pump, a water return tank, a liquid level control valve and a water treatment system.

Description

Gas turbine inlet gas isenthalpic cooling device and method
Technical Field
The invention relates to the technical field of gas turbines, in particular to an equal enthalpy cooling device and method for inlet air of a gas turbine.
Background
A wet film type evaporative cooler is installed in an air inlet channel of a gas turbine by utilizing the principle of isenthalpic evaporation, water is supplied by a water pump to humidify a wet film, so that air is humidified when passing through the wet film, the relative humidity is increased, and the air inlet temperature is reduced. The wet film type isenthalpic cooling method has the defects of low evaporation efficiency, excessively large volume and large air intake loss.
Aiming at the defects of a wet film type evaporative cooler, a direct injection type equal enthalpy cooling method is provided at present, and desalted water with high technical requirements is directly atomized and then sprayed into an air inlet channel of a combustion engine. The direct injection type intake evaporative cooler not only has high requirement on water quality, high working pressure (25 MPa) of a high-pressure nozzle and short service life, but also has the intake water carrying rate which is difficult to control below 0.5 percent because the moisture content d is the air intake quantity G of a combustion engine 0 Atmospheric pressure P 0 Dry bulb temperature t a And the function of the relative humidity phi has large real-time change, so that the real-time accurate control of the water spraying quantity is difficult to realize theoretically, and the phenomenon of over-spraying often occurs. Liquid water directly enters the air inlet channel, and the vane junction is serious, so the direct injection type intake evaporative cooler is difficult to popularize and use.
Disclosure of Invention
The invention aims to provide an inlet air isenthalpic cooling device and method of a gas turbine, which are used for improving evaporation efficiency, are easy to popularize and use, and have large cooling amplitude and low inlet air pressure loss.
In order to achieve the purpose, the invention provides an inlet air isenthalpic cooling device of a gas turbine, which comprises a filtering unit, a steel shell, a water mist evaporation chamber, a silencer, a flow stabilizing chamber, the gas turbine, a load, a water atomizing nozzle assembly, a wet film type gas-water separator, a water feeding pump, a water return tank, a liquid level control valve and a water treatment system, wherein the filtering unit, the water atomizing nozzle assembly, the water mist evaporation chamber and the wet film type gas-water separator are sequentially arranged in the steel shell, the wet film type gas-water separator is communicated with the silencing chamber, the silencing chamber is communicated with the flow stabilizing chamber, the flow stabilizing chamber is communicated with the gas turbine, the gas turbine is electrically connected with the load, the water return tank is communicated with the water atomizing nozzle assembly through the water feeding pump, the water treatment system is communicated with the water return tank, and the liquid level control valve is arranged between the water treatment system and the water return tank.
The gas turbine air inlet isenthalpic cooling device further comprises a canopy, and the canopy is arranged at one end, close to the filtering unit, of the steel shell.
The gas turbine inlet isenthalpic cooling device further comprises an inlet bell mouth, and two ends of the inlet bell mouth are respectively communicated with the flow stabilizing chamber and the gas turbine.
The gas turbine intake isenthalpic cooling device further comprises a water discharge emptying valve, and the water discharge emptying valve is communicated with the water return tank.
The gas turbine inlet air isenthalpic cooling device further comprises a temperature and humidity sensor, a control system and a water supply backflow regulating valve, wherein the temperature and humidity sensor is electrically connected with the control system, the control system is electrically connected with the water supply backflow regulating valve, and two ends of the water supply backflow regulating valve are respectively communicated with the water supply pump and the water return tank.
Wherein, gas turbine isenthalpic cooling device that admits air still includes level sensor, level sensor with return water tank electric connection, and with level control valve electric connection.
The invention also provides a processing method for the gas turbine inlet air isenthalpic cooling device, which specifically comprises the following steps:
when the atmospheric temperature is high and the intake air is required to be cooled, the water treatment system treats raw water into soft water meeting the intake air evaporative cooling requirement of the combustion engine;
the water supply pump works to supply water with the water supply pressure of 2.5MPa required by the water atomization nozzle assembly, the water atomization nozzle assembly fully atomizes water, and the water is quickly evaporated in the water mist evaporation chamber to absorb sensible heat in air;
the excess water is further evaporated through the wet film type gas-water separator, the water which is not evaporated is returned to the water return tank for recycling, and meanwhile, the water carrying rate is less than 0.5%;
the control system can measure the humidified phi according to the temperature and humidity sensor 2 Automatically adjusting the water supply quantity of the water atomizing nozzle assembly, returning redundant unevaporated water supply to the water return tank through the drainage emptying valve, wherein the drainage emptying valve is controlled by the temperature and humidity sensor, the total water supply quantity can meet the requirement of reaching 95% rh or so, and the water of the water return tank can be recycled and regenerated by the water treatment system.
According to the gas turbine inlet gas isenthalpic cooling device and method, the high-pressure nozzle is changed into the medium-pressure nozzle, the power consumption is low, the service life of the nozzle is long, and the wet film type gas-water separator is arranged at the water mist evaporation chamber to ensure the inlet gas water carrying rate<0.5 percent, greatly reduces the requirement on water quality, does not need the strict demineralized water, and is easy to popularize and use; high evaporation efficiency and relative humidity phi 2 Can reach 95 percent RH, large cooling range and low intake pressure loss.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a schematic view of an isenthalpic cooling arrangement for inlet air to a gas turbine engine of the present invention.
FIG. 2 is a flow chart of a method of treatment of an isenthalpic gas turbine inlet air cooling apparatus of the present invention.
1-canopy, 2-filter unit, 3-steel shell, 4-water mist evaporation chamber, 5-temperature and humidity sensor, 6-silencer, 7-steady flow chamber, 8-air inlet bell mouth, 9-gas turbine, 10-load, 11-water atomization nozzle component, 12-wet membrane type gas-water separator, 13-control system, 14-water supply backflow regulating valve, 15-drainage emptying valve, 16-water supply pump, 17-water return tank, 18-liquid level sensor, 19-liquid level control valve, 20-water treatment system, 21-air inlet channel low-level drainage emptying temperature valve.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, and the embodiments described below with reference to the accompanying drawings are exemplary and intended to be illustrative of the present invention and should not be construed as limiting the present invention.
Referring to fig. 1, fig. 1 is a schematic view of an isenthalpic inlet air cooling device of a gas turbine according to the present invention. The invention provides an equal enthalpy cooling device for gas turbine inlet air, which comprises a canopy 1, a filtering unit 2, a steel shell 3, a water mist evaporation chamber 4, a temperature and humidity sensor 5, a silencer 6, a flow stabilizing chamber 7, an air inlet bell mouth 8, a gas turbine 9, a load 10, a water atomizing nozzle assembly 11, a wet film type gas-water separator 12, a control system 13, a water supply backflow regulating valve 14, a drainage emptying valve 15, a water supply pump 16, a water return tank 17, a liquid level sensor 18, a liquid level control valve 19, a water treatment system 20 and an air inlet low-position drainage emptying warm valve 21, wherein the filtering unit 2, the water atomizing nozzle assembly 11, the water mist evaporation chamber 4 and the wet film type gas-water separator 12 are sequentially arranged in the steel shell 3, the wet film type gas-water separator 12 is communicated with the silencing chamber, the silencing chamber is communicated with the flow stabilizing chamber 7, the flow stabilizing chamber 7 is communicated with the gas turbine 9, the gas turbine 9 is electrically connected with the water return chamber 10, the water supply tank 17 is communicated with the water atomizing nozzle assembly 11 through the water pump 16, the water return tank 17 is communicated with the water atomizing nozzle assembly 11, and the water treatment system 20 are arranged between the water treatment system and the water return tank 17; the canopy 1 is arranged at one end of the steel shell 3 close to the filtering unit 2; two ends of the air inlet bell mouth 8 are respectively communicated with the flow stabilizing chamber 7 and the gas turbine 9; the drainage emptying valve 15 is communicated with the water return tank 17; the temperature and humidity sensor 5 is electrically connected with the control system 13, the control system 13 is electrically connected with the water supply backflow regulating valve 14, and two ends of the water supply backflow regulating valve 14 are respectively communicated with the water supply pump 16 and the water return tank 17; the liquid level sensor 18 is electrically connected with the water return tank 17 and the liquid level control valve 19; and the air inlet low-position drainage and air-release warm valve 21 is communicated with the flow stabilizing chamber 7.
In this gas turbine isenthalpic cooling device that admits air, this gas turbine isenthalpic cooling device that admits air is provided with one steel casing 3 is built-in filter unit 2 etc. dirty air passes through in proper order canopy 1 filter unit 2 water smoke evaporation chamber 4 muffler 6 steady flow chamber 7 inlet horn mouth 8 with gas turbine 9, gas turbine 9 drives load 10 does power, the invention is in filter unit 2 with increased one between muffler 6 the evaporation chamber to the design is indispensable water treatment system 20 return water tank 17 feed water pump 16 water atomizing nozzle subassembly 11 wet membrane formula gas water separator 12 supply water backward flow governing valve 14 control system 13 after the humidification temperature and humidity sensor 5, the drainage atmospheric valve 15 of return water tank 17, the level sensor 18 of return water tank 17, return water tank 17 the liquid level control valve 19, water treatment system 20 and the low-order drainage atmospheric temperature valve 21. When the atmospheric temperature is high and the intake air cooling is needed, the water treatment system 20 treats the raw water into soft water meeting the intake air evaporative cooling requirement of the combustion engine. The feed water pump starts to work, and the required feed water pressure of 2.5MPa is supplied to the water atomization nozzle assembly 11; the water atomization nozzle assembly 11 fully atomizes water, and the water is rapidly evaporated in the water mist evaporation chamber 4 to absorb sensible heat in air. Because the water supply is designed to be steamed as requiredHair volume G 0 1-2 times of the total amount of the water mist, ensuring that the water mist sufficiently fine can be sufficiently evaporated, making the relative humidity of the air greater than 90% RH or more, and reducing the intake air temperature t as much as possible a And is close to t w (ii) a The excess water is further evaporated by the wet film type gas-water separator 12, the water which is not evaporated is returned to the water return tank 17 for recycling, and simultaneously, the water carrying rate is realized<0.5 percent; the control system 13 can measure the humidified phi by the temperature and humidity sensor 5 2 Automatically adjusting the water supply quantity of the water atomizing nozzle assembly 11, returning the surplus unevaporated water supply to the water return tank 17 through the drainage blow-down valve 15, wherein the drainage blow-down valve 15 is controlled by the temperature and humidity sensor 5, and ensuring that the total water supply quantity can meet the requirement of reaching 95 percent rh or so. The water in the water return tank 17 can be recycled with the water treatment system 20. The invention relates to an inlet air isenthalpic cooling device of a gas turbine, which is used for cooling according to the local altitude P of a user 0 Summer maximum temperature t a The minimum relative humidity phi and the local maximum air intake quantity of the combustion engine in summer are designed and calculated according to an equal enthalpy cooling method to obtain the maximum water supply quantity G required by evaporative cooling 0 (ii) a N medium-pressure atomizing nozzles are designed at the water mist evaporation chamber 4, and the number of the nozzles n =2 ANG 0 /g 0 ，g 0 Is the water flow rate of the nozzle at the rated pressure; a honeycomb-type wet film type gas-water separator 12 is designed in the water mist evaporation chamber 4, and the wet film type gas-water separator 12 faces the wind speed<3m/s, pressure drop<80Pa, the honeycomb wet film type gas-water separator 12 can not only effectively separate the unevaporated water, but also ensure the water carrying rate of the inlet air<0.5 percent, and can evaporate the water mist for the second time, thereby further improving the evaporation efficiency; a backwater regulating system is arranged to timely regulate the water supply quantity to ensure that the air inlet temperature is high<t w The cooling device is ensured to be in an 'isenthalpic cooling' state; the temperature and humidity sensor 5 is additionally arranged behind the water mist evaporation chamber 4 to confirm the cooled inlet air humidity phi 2 <95% RH; the lowest position of the air inlet is provided with the air inlet low-position drainage air temperature valve 21, so that no condensed water enters the gas turbine 9 at any time; the water in the water return tank 17 can be recycled with the water treatment system 20. According to the inventionThe gas turbine inlet gas isenthalpic cooling device changes a high-pressure nozzle into a medium-pressure nozzle, is low in power consumption and long in service life, and the water mist evaporation chamber 4 is provided with the wet film type gas-water separator 12 for ensuring the inlet gas water carrying rate<0.5 percent, greatly reduces the requirement on water quality, does not need the strict demineralized water, and is easy to popularize and use; high evaporation efficiency and relative humidity phi 2 Can be as high as 95% RH, with large temperature drop and very low inlet pressure loss, measured as 60Pa.
Referring to fig. 2, fig. 2 is a flow chart illustrating a method for processing an isenthalpic cooling device for inlet air of a gas turbine according to the present invention. The invention also provides a processing method for the gas turbine inlet air isenthalpic cooling device, which specifically comprises the following steps:
s1: when the atmospheric temperature is high and the intake air is required to be cooled, the water treatment system 20 treats the raw water into soft water meeting the intake air evaporative cooling requirement of the combustion engine;
s2: the water supply pump works to supply water with the water supply pressure of 2.5MPa required by the water atomization nozzle assembly 11, the water atomization nozzle assembly 11 fully atomizes water, and the water is quickly evaporated in the water mist evaporation chamber 4 to absorb sensible heat in air;
s3: the excess water is further evaporated by the wet film type gas-water separator 12, the water which is not evaporated is returned to the water return tank 17 for recycling, and meanwhile, the water carrying rate is less than 0.5%;
s4: the control system 13 can measure the humidified phi by the temperature and humidity sensor 5 2 Automatically regulated the feedwater volume of water atomizing nozzle subassembly 11 is passed through unnecessary unevaporated feedwater return to return water tank 17 through drainage blow-down valve 15, drainage blow-down valve 15 receives temperature and humidity sensor 5 control guarantees that the total amount of supplying water can satisfy and reach about 95% rh, just return water tank 17 the water can with water treatment system 20 circulation regeneration.
While the above disclosure describes one or more preferred embodiments of the present invention, it is not intended to limit the scope of the claims to such embodiments, and one skilled in the art will understand that all or a portion of the processes performed in the above embodiments may be practiced without departing from the spirit and scope of the claims.

Claims (7)

1. An equal enthalpy cooling device for gas turbine inlet air is characterized in that,
including filter unit, steel casing, water smoke evaporating chamber, muffler, steady flow chamber, gas turbine, load, water atomization nozzle subassembly, wet membrane formula deareator, water feeding pump, return water tank, level control valve and water processing system, the inside of steel casing has set gradually the filter unit water atomization nozzle subassembly water smoke evaporating chamber with wet membrane formula deareator, wet membrane formula deareator with the anechoic chamber is linked together, the anechoic chamber with the steady flow chamber is linked together, the steady flow chamber with gas turbine is linked together, gas turbine with load electric connection, the return water tank passes through the water feeding pump with water atomization nozzle subassembly is linked together, water processing system with the return water tank is linked together, the liquid level control valve set up at water processing system with between the return water tank.
2. A gas turbine inlet air isenthalpic cooling apparatus as claimed in claim 1 wherein,
the gas turbine inlet isenthalpic cooling device further comprises a canopy, and the canopy is arranged at the position, close to one end of the filtering unit, of the steel shell.
3. A gas turbine inlet air isenthalpic cooling apparatus as claimed in claim 2 wherein,
the gas turbine inlet isenthalpic cooling device further comprises an inlet bell mouth, and two ends of the inlet bell mouth are respectively communicated with the flow stabilizing chamber and the gas turbine.
4. A gas turbine inlet air isenthalpic cooling device as claimed in claim 3 wherein,
the gas turbine inlet air isenthalpic cooling device further comprises a water discharge emptying valve, and the water discharge emptying valve is communicated with the water return tank.
5. The gas turbine intake isenthalpic cooling device of claim 4,
gas turbine isenthalpic cooling device that admits air still includes temperature and humidity sensor, control system and supplies water return flow control valve, temperature and humidity sensor with control system electric connection, control system in supply water return flow control valve electric connection, the both ends of supplying water return flow control valve respectively with the water-feeding pump with the return water tank is linked together.
6. The gas turbine intake isenthalpic cooling device of claim 5,
the gas turbine inlet enthalpy cooling device further comprises a liquid level sensor, and the liquid level sensor is electrically connected with the water return tank and the liquid level control valve.
7. A method for treating an isenthalpic cooling device of gas turbine inlet air as claimed in claim 6, comprising the steps of:
when the atmospheric temperature is high and the intake air is required to be cooled, the water treatment system treats raw water into soft water meeting the intake air evaporative cooling requirement of the combustion engine;
the water supply pump works to supply water with the water supply pressure of 2.5MPa required by the water atomization nozzle assembly, the water atomization nozzle assembly fully atomizes water, and the water is quickly evaporated in the water mist evaporation chamber to absorb sensible heat in air;
the excess water is further evaporated through the wet film type gas-water separator, the water which is not evaporated is returned to the water return tank for recycling, and meanwhile, the water carrying rate is less than 0.5%;
the control system can measure the humidified phi according to the temperature and humidity sensor 2 Automatically adjusting the water supply amount of the water atomizing nozzle assembly, returning the redundant unevaporated water supply to the water return tank through the drainage blow-down valve, wherein the drainage blow-down valve is driven by the temperature and humidityThe sensor control ensures that the total water supply amount can reach about 95 percent rh, and the water in the water return tank can be recycled with the water treatment system.
CN202210975510.5A 2022-08-15 2022-08-15 Gas turbine inlet gas isenthalpic cooling device and method Pending CN115324735A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210975510.5A CN115324735A (en) 2022-08-15 2022-08-15 Gas turbine inlet gas isenthalpic cooling device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210975510.5A CN115324735A (en) 2022-08-15 2022-08-15 Gas turbine inlet gas isenthalpic cooling device and method

Publications (1)

Publication Number Publication Date
CN115324735A true CN115324735A (en) 2022-11-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210975510.5A Pending CN115324735A (en) 2022-08-15 2022-08-15 Gas turbine inlet gas isenthalpic cooling device and method

Country Status (1)

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