System and method for control of combustion dynamics in combustion system
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F23R-003/34
F02C-007/22
출원번호
US-0207041
(2014-03-12)
등록번호
US-9709278
(2017-07-18)
발명자
/ 주소
Crothers, Sarah Lori
Wilson, Charlotte Cole
출원인 / 주소
General Electric Company
대리인 / 주소
Wilson, Charlotte C.
인용정보
피인용 횟수 :
0인용 특허 :
37
초록▼
A system includes a gas turbine engine that includes a first combustor and a second combustor. The first combustor includes a first fuel nozzle disposed in a first head end chamber of the first combustor and a first fuel injector. The first fuel nozzle is configured to inject a first fuel and an oxi
A system includes a gas turbine engine that includes a first combustor and a second combustor. The first combustor includes a first fuel nozzle disposed in a first head end chamber of the first combustor and a first fuel injector. The first fuel nozzle is configured to inject a first fuel and an oxidant into a first combustion chamber of the first combustor. The second combustor includes a second fuel nozzle disposed in a second head end chamber of the second combustor, a second fuel injector, and a second orifice plate disposed in a second fuel path upstream of the second fuel injector. The second fuel nozzle is configured to inject the first fuel and the oxidant into a second combustion chamber of the second combustor and the second orifice plate is configured to help reduce modal coupling between the first combustor and the second combustor.
대표청구항▼
1. A system, comprising: a gas turbine engine comprising:a first combustor comprising: a first head end chamber;a first combustion chamber disposed downstream from the first head end chamber;a first inner wall disposed about the first combustion chamber;a first outer wall disposed about the first in
1. A system, comprising: a gas turbine engine comprising:a first combustor comprising: a first head end chamber;a first combustion chamber disposed downstream from the first head end chamber;a first inner wall disposed about the first combustion chamber;a first outer wall disposed about the first inner wall;a first flow path extending between the first inner wall and the first outer wall in a first upstream direction to the first head end chamber;a first fuel nozzle disposed in the first head end chamber of the first combustor, wherein the first fuel nozzle is configured to inject a first fuel and an oxidant into the first combustion chamber of the first combustor; anda first fuel injector coupled to at least one of the first inner wall or the first outer wall, wherein the first fuel injector is configured to inject a second fuel into at least one of the oxidant upstream of the first fuel nozzle, or the first combustion chamber downstream of the first fuel nozzle, or any combination thereof;a first orifice plate disposed in a first fuel path upstream of the first fuel injector, wherein the first orifice plate comprises at least two first orifices configured to route the second fuel to the first fuel injector, and a first fuel split between the first and second fuels in the first combustor is at least partially defined by the first orifice plate; anda second combustor comprising: a second head end chamber;a second combustion chamber disposed downstream from the second head end chamber;a second inner wall disposed about the second combustion chamber;a second outer wall disposed about the second inner wall;a second flow path extending between the second inner wall and the second outer wall in a second upstream direction to the second head end chamber;a second fuel nozzle disposed in the second head end chamber of the second combustor, wherein the second fuel nozzle is configured to inject the first fuel and the oxidant into the second combustion chamber of the second combustor;a second fuel injector coupled to at least one of the second inner wall or the second outer wall, wherein the second fuel injector is configured to inject the second fuel into at least one of the oxidant upstream of the second fuel nozzle, or the second combustion chamber downstream of the second fuel nozzle, or any combination thereof; anda second orifice plate disposed in a second fuel path upstream of the second fuel injector, wherein the second orifice plate comprises at least two second orifices configured to route the second fuel to the second fuel injector, a second fuel split between the first and second fuels in the second combustor is at least partially defined by the second orifice plate, and the first and second fuel splits differ from one another to reduce modal coupling between the first combustor and the second combustor. 2. The system of claim 1, wherein a first effective orifice area of the first orifice plate is different from a second effective orifice area of the second orifice plate. 3. The system of claim 1, wherein the first orifice plate comprises at least one difference relative to the second orifice plate, and wherein the at least one difference comprises a different spacing between the at least two first orifices relative to the at least two second orifices. 4. The system of claim 1, wherein the first orifice plate comprises at least one difference relative to the second orifice plate, and wherein the at least one difference comprises a different number of the at least two first orifices relative to the at least two second orifices. 5. The system of claim 1, wherein the first orifice plate comprises at least one difference relative to the second orifice plate, and wherein the first orifice plate is configured to at least partially control first combustion dynamics in the first combustor, wherein the second orifice plate is configured to at least partially control second combustion dynamics in the second combustor, and the at least one difference between the first and second orifice plates causes differences between the first and second combustion dynamics. 6. The system of claim 1, wherein the first orifice plate comprises at least one difference relative to the second orifice plate, and wherein the at least one difference comprises at least one of different orifice diameters, different orifice shapes, different numbers of orifices, different geometrical arrangements of orifices, or different distances between adjacent orifices, or any combination thereof, between the first and second orifice plates. 7. The system of claim 1, wherein the first fuel injector and the second fuel injector comprise at least one of late lean injectors, or quaternary fuel injectors, or any combination thereof. 8. The system of claim 1, wherein the second combustor comprises: a third fuel injector configured to inject the second fuel into at least one of the oxidant upstream of the second fuel nozzle, or the second combustion chamber downstream of the second fuel nozzle, or any combination thereof; anda third orifice plate disposed in the second fuel path upstream of the third fuel injector, wherein the third orifice plate is configured to help reduce modal coupling between the first combustor and the second combustor. 9. The system of claim 1, comprising: a first plurality of first combustors; anda second plurality of second combustors, wherein the first and second combustors are arranged in a pattern to help reduce modal coupling between the first plurality of first combustors and the second plurality of second combustors. 10. The system of claim 1, comprising a third orifice plate, wherein the third orifice plate is disposed in a third fuel path upstream of the first fuel nozzle, or the third orifice plate is disposed in a fourth fuel path upstream of the second fuel nozzle, or any combination thereof, wherein the third orifice plate is configured to help reduce modal coupling between the first combustor and the second combustor. 11. A method, comprising: injecting a first fuel and an oxidant into a first combustion chamber of a first combustor using a first fuel nozzle disposed in a first head end chamber of the first combustor;injecting a second fuel into at least one of the oxidant upstream of the first fuel nozzle, or the first combustion chamber downstream of the first fuel nozzle, or any combination thereof, using a first fuel injector;controlling first combustion dynamics in the first combustor with a first orifice plate disposed in a first fuel path upstream of the first fuel injector, wherein the first orifice plate comprises at least two first orifices configured to route the second fuel to the first fuel injector, and a first fuel split between the first and second fuels in the first combustor is at least partially defined by the first orifice plate;injecting the first fuel and the oxidant into a second combustion chamber of a second combustor using a second fuel nozzle disposed in a second head end chamber of the second combustor;injecting the second fuel into at least one of the oxidant upstream of the second fuel nozzle, or the second combustion chamber downstream of the second fuel nozzle, or any combination thereof, using a second fuel injector; andcontrolling second combustion dynamics in the second combustor with a second orifice plate disposed in a second fuel path upstream of the second fuel injector, wherein the second orifice plate at least partially defines a second fuel split between the first and second fuels in the second combustor, and the first and second fuel splits differ from one another to reduce modal coupling between the first combustor and the second combustor. 12. The method of claim 11, comprising controlling first combustion dynamics in the first combustor with a third orifice plate disposed in a third fuel path upstream of the first fuel nozzle, wherein the third orifice plate is configured to help reduce modal coupling between the first combustor and the second combustor. 13. The method of claim 12, comprising maintaining a first total fuel flow to the first combustor within a range of a second total fuel flow to the second combustor using the second orifice plate and the third orifice plate, wherein the first total fuel flow comprises the first fuel and the second fuel to the first combustor, and the second total fuel flow comprises the first fuel and the second fuel to the second combustor. 14. The method of claim 11, comprising reducing modal coupling between the first and second combustors via at least one difference between the first and second orifice plates. 15. A system, comprising: a first combustor of a gas turbine engine, wherein the first combustor comprises:a first head end chamber;a first combustion chamber disposed downstream from the first head end chamber;a first inner wall disposed about the first combustion chamber;a first outer wall disposed about the first inner wall;a first flow path extending between the first inner wall and the first outer wall in a first upstream direction to the first head end chamber;a first fuel nozzle disposed in the first head end chamber of the first combustor, wherein the first fuel nozzle is configured to inject a first fuel and an oxidant into the first combustion chamber of the first combustor; anda first fuel injector coupled to at least one of the first inner wall or the first outer wall, wherein the first fuel injector is configured to inject a second fuel;wherein the first combustor has a first fuel split between the first fuel to the first fuel nozzle and the second fuel to the first fuel injector; anda second combustor of the gas turbine engine, wherein the second combustor comprises: a second head end chamber; a second combustion chamber disposed downstream from the second head end chamber;a second inner wall disposed about the second combustion chamber;a second outer wall disposed about the second inner wall;a second flow path extending between the second inner wall and the second outer wall in a second upstream direction to the second head end chamber;a second fuel nozzle disposed in the second head end chamber of the second combustor, wherein the second fuel nozzle is configured to inject the first fuel and the oxidant into the second combustion chamber of the second combustor;a second fuel injector coupled to at least one of the second inner wall or the second outer wall, wherein the second fuel injector is configured to inject the second fuel; andwherein the second combustor has a second fuel split between the first fuel to the second fuel nozzle and the second fuel to the second fuel injector, and the first and second fuel splits differ from one another to reduce modal coupling between the first combustor and the second combustor. 16. The system of claim 15, wherein the first fuel injector is disposed axially upstream of a combustor cap assembly, wherein the first fuel injector is radially positioned in the first flow path, and wherein the first fuel injector is configured to inject a second fuel flow into the first flow path. 17. The system of claim 15, further comprising a first effective orifice area of a first orifice plate is different from a second effective orifice area of a second orifice plate. 18. The system of claim 17, wherein the first orifice plate is configured to at least partially control first combustion dynamics in the first combustor, wherein the second orifice plate is configured to at least partially control second combustion dynamics in the second combustor, and at least one difference between the first and second orifice plates causes differences between the first and second combustion dynamics.
Kim, Kwanwoo; Han, Fei; Srinivasan, Shiva; Singh, Kapil Kumar, Fuel system acoustic feature to mitigate combustion dynamics for multi-nozzle dry low NOx combustion system and method.
Kang, Jun-Mo; Chen, Jyh-Shin; Chang, Chen-Fang; Kuo, Tang-Wei, Method and apparatus to control combustion in a multi-cylinder homogeneous charge compression-ignition engine.
Meadows, Christopher T.; Dean, Douglas E.; Fuller, Jason D.; Seely, William F., Method and system for detection of gas turbine combustion blowouts utilizing fuel normalized power response.
Taware,Avinash Vinayak; Kothnur,Vasanth Srinivasa; Singh,Ajai; Norman,Bruce Gordon; Zhou,Jian, Method of tuning individual combustion chambers in a turbine based on a combustion chamber stratification index.
Lacy, Benjamin Paul; Kraemer, Gilbert Otto; Varatharajan, Balachandar; Yilmaz, Ertan; Lipinski, John Joseph; Ziminsky, Willy Steve, Methods and systems to facilitate reducing NO.
James, Mark L.; Mackey, Ryan M. E.; Park, Han G.; Zak, Michail, Real-time spatio-temporal coherence estimation for autonomous mode identification and invariance tracking.
Frederick, II, Garth; Farrell, Thomas Raymond; Healy, Timothy Andrew; Maters, John Carver; Thatcher, Jonathan Carl, Systems and methods for using a combustion dynamics tuning algorithm with a multi-can combustor.
Tonno, Giovanni; Paci, Mariateresa; Stewart, Jesse Floyd; Asti, Antonio, Systems and methods for using a combustion dynamics tuning algorithm with a multi-can combustor.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.