JP6654039B2 - 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
- JP6654039B2 JP6654039B2 JP2015254074A JP2015254074A JP6654039B2 JP 6654039 B2 JP6654039 B2 JP 6654039B2 JP 2015254074 A JP2015254074 A JP 2015254074A JP 2015254074 A JP2015254074 A JP 2015254074A JP 6654039 B2 JP6654039 B2 JP 6654039B2
- Authority
- JP
- Japan
- Prior art keywords
- diffuser
- gas turbine
- turbine engine
- partition member
- flow path
- 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.)
- Active
Links
- 238000005192 partition Methods 0.000 claims description 73
- 239000007789 gas Substances 0.000 claims description 56
- 238000011144 upstream manufacturing Methods 0.000 claims description 12
- 239000000567 combustion gas Substances 0.000 claims description 5
- 230000007704 transition Effects 0.000 description 10
- 230000002093 peripheral effect Effects 0.000 description 9
- 238000009736 wetting Methods 0.000 description 7
- 230000003068 static effect Effects 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000011084 recovery 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
- 239000002826 coolant Substances 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000004519 manufacturing process 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
- 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
- F04D29/542—Bladed diffusers
-
- 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
- F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
- F01D9/041—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector using blades
-
- 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
-
- 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
- F04D29/542—Bladed diffusers
- F04D29/544—Blade shapes
-
- 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
- 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
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/32—Application in turbines in gas turbines
- F05D2220/321—Application in turbines in gas turbines for a special turbine stage
- F05D2220/3216—Application in turbines in gas turbines for a special turbine stage for a special compressor stage
- F05D2220/3219—Application in turbines in gas turbines for a special turbine stage for a special compressor stage for the last stage of a compressor or a high pressure compressor
-
- 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
- F05D2240/126—Baffles or ribs
-
- 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
- F05D2240/128—Nozzles
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
3 燃焼器
5 タービン
17 ディフューザ
21 ディフューザ内筒
23 ディフューザ外筒
25 ディフューザ流路
27 仕切り部材
29 分割ディフューザ流路
29a 分割ディフューザ流路の出口
29b 分割ディフューザ流路の入口
41 ストラット(連結柱)
CA 圧縮空気(圧縮ガス)
D 圧縮空気の流れ方向
GT ガスタービンエンジン
Claims (8)
- 軸流圧縮機で圧縮した圧縮ガスを燃焼器で燃焼させ、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、
前記圧縮機の出口に接続されたディフューザであって、互いに同心状に配置された筒状部材であるディフューザ内筒とディフューザ外筒とを有する環状のディフューザと、
前記ディフューザ内筒と前記ディフューザ外筒との間に形成された環状の空間であるディフューザ流路に配置されて、前記ディフューザ流路を周方向に分割する複数の仕切り部材と、
を備え、
前記仕切り部材は、周方向寸法が、圧縮ガスの流れ方向の最上流側から最下流側に向かって連続的に次第に拡大する形状を有する、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、前記ディフューザの流路を前記仕切り部材によって分割することにより形成された分割ディフューザ流路の流路断面の幅寸法Wに対する高さ寸法Hのアスペクト比H/Wが、前記分割ディフューザ流路の出口において、入口における流路断面のアスペクト比よりも大きく、かつ、前記分割ディフューザ流路の出口における流路断面のアスペクト比が0.3〜5の範囲内にあるガスタービンエンジン。
- 請求項2に記載のガスタービンエンジンにおいて、前記分割ディフューザ流路の出口における流路断面のアスペクト比が1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、前記ディフューザ外筒と前記ディフューザ内筒とを連結する連結柱が、前記仕切り部材の周方向位置と同一の周方向位置にのみ設けられているガスタービンエンジン。
- 請求項1から4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、前記燃焼器の径方向内方に、前記仕切り部材が配置されているガスタービンエンジン。
- 請求項5に記載のガスタービンエンジンにおいて、前記燃焼器が周方向に複数設けられており、前記燃焼器の個数をN、前記仕切り部材の個数をnとした場合、N/nが自然数となるガスタービンエンジン。
- 請求項1から6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、前記仕切り部材の圧縮ガスの流れ方向の長さが、ディフューザの圧縮ガスの流れ方向の長さの10%以上であるガスタービンエンジン。
- 請求項1から7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、各仕切り部材の径方向を向く両底面の合計面積よりも、周方向を向く両側面の合計面積が小さいガスタービンエンジン。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015254074A JP6654039B2 (ja) | 2015-12-25 | 2015-12-25 | ガスタービンエンジン |
DE112016005984.1T DE112016005984T5 (de) | 2015-12-25 | 2016-12-22 | Gasturbinenmotor |
PCT/JP2016/088290 WO2017110972A1 (ja) | 2015-12-25 | 2016-12-22 | ガスタービンエンジン |
GB1810686.4A GB2562394B (en) | 2015-12-25 | 2016-12-22 | Gas turbine engine |
CN201680075816.8A CN108463637B (zh) | 2015-12-25 | 2016-12-22 | 燃气涡轮发动机 |
US16/013,042 US10550853B2 (en) | 2015-12-25 | 2018-06-20 | Gas turbine engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015254074A JP6654039B2 (ja) | 2015-12-25 | 2015-12-25 | ガスタービンエンジン |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017115785A JP2017115785A (ja) | 2017-06-29 |
JP6654039B2 true JP6654039B2 (ja) | 2020-02-26 |
Family
ID=59089499
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015254074A Active JP6654039B2 (ja) | 2015-12-25 | 2015-12-25 | ガスタービンエンジン |
Country Status (6)
Country | Link |
---|---|
US (1) | US10550853B2 (ja) |
JP (1) | JP6654039B2 (ja) |
CN (1) | CN108463637B (ja) |
DE (1) | DE112016005984T5 (ja) |
GB (1) | GB2562394B (ja) |
WO (1) | WO2017110972A1 (ja) |
Families Citing this family (2)
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 |
GB201903262D0 (en) * | 2019-03-11 | 2019-04-24 | Rolls Royce Plc | Efficient gas turbine engine installation and operation |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2582809A (en) * | 1944-12-30 | 1952-01-15 | Power Jets Res & Dev Ltd | Air and fuel regulating means in internal-combustion turbine power plants |
US4081957A (en) * | 1976-05-03 | 1978-04-04 | United Technologies Corporation | Premixed combustor |
US4373327A (en) * | 1979-07-04 | 1983-02-15 | Rolls-Royce Limited | Gas turbine engine combustion chambers |
GB2291130B (en) * | 1994-07-12 | 1998-09-30 | Rolls Royce Plc | A gas turbine engine |
JP2000314397A (ja) * | 1999-04-30 | 2000-11-14 | Toshiba Corp | 軸流圧縮機 |
JP2002180999A (ja) * | 2000-12-08 | 2002-06-26 | Mitsubishi Heavy Ind Ltd | ディフューザ |
GB2445952B (en) * | 2007-01-25 | 2011-07-20 | Siemens Ag | A gas turbine engine |
JP5145408B2 (ja) | 2008-02-28 | 2013-02-20 | 三菱重工業株式会社 | ガスタービン及びガスタービンの車室開放方法 |
US8695322B2 (en) * | 2009-03-30 | 2014-04-15 | General Electric Company | Thermally decoupled can-annular transition piece |
US20110271654A1 (en) * | 2010-05-05 | 2011-11-10 | General Electric Company | Diffuser for gas turbine system |
WO2014158243A1 (en) * | 2013-03-14 | 2014-10-02 | Rolls-Royce Corporation | Multi-passage diffuser with reactivated boundry layer |
US11732892B2 (en) * | 2013-08-14 | 2023-08-22 | General Electric Company | Gas turbomachine diffuser assembly with radial flow splitters |
US20150047358A1 (en) * | 2013-08-14 | 2015-02-19 | General Electric Company | Inner barrel member with integrated diffuser for a gas turbomachine |
-
2015
- 2015-12-25 JP JP2015254074A patent/JP6654039B2/ja active Active
-
2016
- 2016-12-22 WO PCT/JP2016/088290 patent/WO2017110972A1/ja active Application Filing
- 2016-12-22 GB GB1810686.4A patent/GB2562394B/en active Active
- 2016-12-22 CN CN201680075816.8A patent/CN108463637B/zh active Active
- 2016-12-22 DE DE112016005984.1T patent/DE112016005984T5/de active Pending
-
2018
- 2018-06-20 US US16/013,042 patent/US10550853B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
JP2017115785A (ja) | 2017-06-29 |
GB201810686D0 (en) | 2018-08-15 |
US20180298917A1 (en) | 2018-10-18 |
DE112016005984T5 (de) | 2018-10-04 |
CN108463637B (zh) | 2020-03-31 |
US10550853B2 (en) | 2020-02-04 |
CN108463637A (zh) | 2018-08-28 |
GB2562394A (en) | 2018-11-14 |
GB2562394A8 (en) | 2018-11-21 |
WO2017110972A1 (ja) | 2017-06-29 |
GB2562394B (en) | 2021-04-14 |
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