JP6625427B2 - ガスタービンエンジン - Google Patents
ガスタービンエンジン Download PDFInfo
- Publication number
- JP6625427B2 JP6625427B2 JP2015254075A JP2015254075A JP6625427B2 JP 6625427 B2 JP6625427 B2 JP 6625427B2 JP 2015254075 A JP2015254075 A JP 2015254075A JP 2015254075 A JP2015254075 A JP 2015254075A JP 6625427 B2 JP6625427 B2 JP 6625427B2
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- JP
- Japan
- Prior art keywords
- diffuser
- turbine engine
- gas turbine
- gas
- combustor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000007789 gas Substances 0.000 claims description 88
- 230000007704 transition Effects 0.000 claims description 34
- 230000002093 peripheral effect Effects 0.000 claims description 17
- 239000000567 combustion gas Substances 0.000 claims description 10
- 230000007423 decrease Effects 0.000 claims description 5
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
- F01D9/023—Transition ducts between combustor cans and first stage of the turbine in gas-turbine engines; their cooling or sealings
-
- 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
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/04—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor
- F02C3/06—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor the compressor comprising only axial stages
-
- 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
- F02C7/28—Arrangement of seals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/02—Multi-stage pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
- F04D29/545—Ducts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/02—Continuous combustion chambers using liquid or gaseous fuel characterised by the air-flow or gas-flow configuration
- F23R3/04—Air inlet arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/42—Continuous combustion chambers using liquid or gaseous fuel characterised by the arrangement or form of the flame tubes or combustion chambers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/42—Continuous combustion chambers using liquid or gaseous fuel characterised by the arrangement or form of the flame tubes or combustion chambers
- F23R3/46—Combustion chambers comprising an annular arrangement of several essentially tubular flame tubes within a common annular casing or within individual casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/32—Application in turbines in gas turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/10—Stators
- F05D2240/12—Fluid guiding means, e.g. vanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/35—Combustors or associated equipment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2250/00—Geometry
- F05D2250/50—Inlet or outlet
- F05D2250/52—Outlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/60—Fluid transfer
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
3 燃焼器
5 タービン
17 圧縮空気供給通路
19 ディフューザ
21 チャンバ
23 ディフューザ流路
25 ディフューザ内筒
27 ディフューザ外筒
37 圧縮空気導入孔
45 遷移ダクト部
47 ダクトカバー
α ディフューザの傾斜角度
C1 ガスタービンエンジンの回転軸心
C2 燃焼器の軸心
CA 圧縮空気(圧縮ガス)
GT ガスタービンエンジン
Claims (6)
- 圧縮機で圧縮した圧縮ガスを燃焼させ、得られた燃焼ガスによりタービンを駆動するガスタービンエンジンであって、
前記圧縮機で圧縮された圧縮ガスを燃焼させる複数の筒状の燃焼器であって、その軸心が、当該ガスタービンエンジンの回転軸心に対してタービン側から圧縮機側へ向かって径方向外側へ傾斜するように配置された複数の燃焼器と、
前記圧縮機から吐出された圧縮ガスを前記燃焼器へ導く圧縮ガス供給通路の上流部を形成する環状のディフューザの外径側壁を形成するディフューザ外筒と、
前記ディフューザ外筒と同心に配置されて、前記ディフューザの内径側壁を形成するディフューザ内筒と、
前記各燃焼器の、前記圧縮ガス供給通路の下流部を形成するチャンバ内に配置された部分であって、燃焼ガスを前記燃焼器から前記タービンへ供給する遷移ダクト部と
を備え、
前記各燃焼器の遷移ダクト部が、タービン側から圧縮機側へ向かって周方向寸法が次第に小さくなる形状を有することにより、隣接する前記遷移ダクト部間に周方向隙間が形成されており、
前記ディフューザ内筒および前記ディフューザ外筒の少なくとも下流側の一部が、それぞれ、下流側に向かって次第に拡径となる形状を有しており、
前記遷移ダクト部の内径側における前記周方向隙間のタービン側端が、前記ディフューザ内筒の外周面に続く仮想延長円錐面の径方向内側に位置しており、
当該ガスタービンエンジンのハウジングの、前記チャンバを形成する部分の内壁面が、前記各燃焼器の外周形状に沿った凹面を有しており、隣接する前記凹面間に位置する連結部が、隣接する前記燃焼器間に突出している、
ガスタービンエンジン。 - 請求項1に記載のガスタービンエンジンにおいて、前記燃焼器の遷移ダクト部が、燃焼ガスの供給通路を形成するダクト本体の外周を覆うダクトカバーを備えており、前記ダクトカバーに、圧縮ガスを前記燃焼器内に導入する複数の導入孔が形成されているガスタービンエンジン。
- 請求項1または2に記載のガスタービンエンジンにおいて、前記ディフューザの出口の、前記回転軸心に対する傾斜角度が90°以下であるガスタービンエンジン。
- 請求項1から3のいずれか一項に記載のガスタービンエンジンにおいて、前記チャンバ内における、前記仮想延長円錐面と、当該ガスタービンエンジンの回転軸との間に形成される空間内に、当該ガスタービンエンジンの補助要素が配置されているガスタービンエンジン。
- 請求項4に記載のガスタービンエンジンにおいて、前記ディフューザ内筒の下流側端部に、径方向内側に延びる連結フランジ面が形成されており、前記連結フランジ面に、前記チャンバの内径側壁を形成するチャンバ内筒が、前記補助要素である内筒連結部材を介して連結されているガスタービンエンジン。
- 請求項4または5に記載のガスタービンエンジンにおいて、前記ディフューザ内筒の下流側端部に、径方向内側に延びる連結フランジ面が形成されており、前記連結フランジ面に、前記圧縮機から抽気される抽気圧を調整する前記補助要素であるシール部材が、前記補助要素であるシール連結部材を介して連結されているガスタービンエンジン。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015254075A JP6625427B2 (ja) | 2015-12-25 | 2015-12-25 | ガスタービンエンジン |
CN201680075794.5A CN108474559B (zh) | 2015-12-25 | 2016-12-22 | 燃气涡轮发动机 |
GB1810685.6A GB2564969B (en) | 2015-12-25 | 2016-12-22 | Gas turbine engine |
DE112016006016.5T DE112016006016B4 (de) | 2015-12-25 | 2016-12-22 | Gasturbinenmotor |
PCT/JP2016/088291 WO2017110973A1 (ja) | 2015-12-25 | 2016-12-22 | ガスタービンエンジン |
US16/013,396 US10605266B2 (en) | 2015-12-25 | 2018-06-20 | Gas turbine engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015254075A JP6625427B2 (ja) | 2015-12-25 | 2015-12-25 | ガスタービンエンジン |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2017116218A JP2017116218A (ja) | 2017-06-29 |
JP2017116218A5 JP2017116218A5 (ja) | 2018-11-22 |
JP6625427B2 true JP6625427B2 (ja) | 2019-12-25 |
Family
ID=59089483
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015254075A Active JP6625427B2 (ja) | 2015-12-25 | 2015-12-25 | ガスタービンエンジン |
Country Status (6)
Country | Link |
---|---|
US (1) | US10605266B2 (ja) |
JP (1) | JP6625427B2 (ja) |
CN (1) | CN108474559B (ja) |
DE (1) | DE112016006016B4 (ja) |
GB (1) | GB2564969B (ja) |
WO (1) | WO2017110973A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11021977B2 (en) * | 2018-11-02 | 2021-06-01 | Chromalloy Gas Turbine Llc | Diffuser guide vane with deflector panel having curved profile |
JP7489759B2 (ja) | 2018-11-20 | 2024-05-24 | 三菱重工業株式会社 | 燃焼器及びガスタービン |
US11802523B2 (en) * | 2020-12-12 | 2023-10-31 | Rohr, Inc. | Multi-lobed bullnose ramp |
US11940151B2 (en) * | 2022-01-12 | 2024-03-26 | General Electric Company | Combustor with baffle |
JP2024049797A (ja) * | 2022-09-29 | 2024-04-10 | 本田技研工業株式会社 | ガスタービン |
Family Cites Families (18)
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US3657883A (en) * | 1970-07-17 | 1972-04-25 | Westinghouse Electric Corp | Combustion chamber clustering structure |
JPS539266B2 (ja) * | 1973-07-02 | 1978-04-04 | ||
US4719748A (en) * | 1985-05-14 | 1988-01-19 | General Electric Company | Impingement cooled transition duct |
US20020157400A1 (en) * | 2001-04-27 | 2002-10-31 | Siemens Aktiengesellschaft | Gas turbine with combined can-type and annular combustor and method of operating a gas turbine |
JP2004037035A (ja) * | 2002-07-05 | 2004-02-05 | Hitachi Ltd | ガスタービン燃焼器 |
JP4025172B2 (ja) * | 2002-10-30 | 2007-12-19 | 株式会社日立製作所 | ガスタービン設備 |
EP1508680A1 (de) * | 2003-08-18 | 2005-02-23 | Siemens Aktiengesellschaft | Diffusor zwischen Verdichter und Brennkammer einer Gasturbine angeordnet |
US7870739B2 (en) * | 2006-02-02 | 2011-01-18 | Siemens Energy, Inc. | Gas turbine engine curved diffuser with partial impingement cooling apparatus for transitions |
US7600370B2 (en) * | 2006-05-25 | 2009-10-13 | Siemens Energy, Inc. | Fluid flow distributor apparatus for gas turbine engine mid-frame section |
KR101190941B1 (ko) | 2008-02-28 | 2012-10-12 | 미츠비시 쥬고교 가부시키가이샤 | 가스 터빈 및 가스 터빈의 차실 개방 방법 |
US9234431B2 (en) * | 2010-07-20 | 2016-01-12 | Siemens Energy, Inc. | Seal assembly for controlling fluid flow |
JP5731915B2 (ja) * | 2011-06-22 | 2015-06-10 | 川崎重工業株式会社 | タービン用ロータおよびその製造方法ならびにNi基超合金材と鋼材の接合方法および構造 |
JP5222384B2 (ja) * | 2011-09-09 | 2013-06-26 | 三菱重工業株式会社 | ガスタービン |
US9133722B2 (en) * | 2012-04-30 | 2015-09-15 | General Electric Company | Transition duct with late injection in turbine system |
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CA2950558C (en) * | 2014-05-30 | 2020-10-20 | Kawasaki Jukogyo Kabushiki Kaisha | Combustor for gas turbine engine |
-
2015
- 2015-12-25 JP JP2015254075A patent/JP6625427B2/ja active Active
-
2016
- 2016-12-22 CN CN201680075794.5A patent/CN108474559B/zh active Active
- 2016-12-22 DE DE112016006016.5T patent/DE112016006016B4/de active Active
- 2016-12-22 WO PCT/JP2016/088291 patent/WO2017110973A1/ja active Application Filing
- 2016-12-22 GB GB1810685.6A patent/GB2564969B/en active Active
-
2018
- 2018-06-20 US US16/013,396 patent/US10605266B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US10605266B2 (en) | 2020-03-31 |
CN108474559B (zh) | 2020-05-12 |
CN108474559A (zh) | 2018-08-31 |
US20180298918A1 (en) | 2018-10-18 |
DE112016006016B4 (de) | 2023-12-07 |
GB2564969B (en) | 2021-04-14 |
WO2017110973A1 (ja) | 2017-06-29 |
DE112016006016T5 (de) | 2018-09-06 |
GB201810685D0 (en) | 2018-08-15 |
GB2564969A (en) | 2019-01-30 |
JP2017116218A (ja) | 2017-06-29 |
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