JP2017214926A - 排気ディフューザ - Google Patents
排気ディフューザ Download PDFInfo
- Publication number
- JP2017214926A JP2017214926A JP2017104043A JP2017104043A JP2017214926A JP 2017214926 A JP2017214926 A JP 2017214926A JP 2017104043 A JP2017104043 A JP 2017104043A JP 2017104043 A JP2017104043 A JP 2017104043A JP 2017214926 A JP2017214926 A JP 2017214926A
- Authority
- JP
- Japan
- Prior art keywords
- hub
- exhaust diffuser
- strut
- section
- casing
- 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.)
- Granted
Links
- 238000011144 upstream manufacturing Methods 0.000 claims description 16
- 239000007789 gas Substances 0.000 description 20
- 239000000567 combustion gas Substances 0.000 description 8
- 239000000446 fuel Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
-
- 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/30—Exhaust heads, chambers, or the like
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
- F02K1/04—Mounting of an exhaust cone in the jet pipe
-
- 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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/141—Shape, i.e. outer, aerodynamic form
- F01D5/145—Means for influencing boundary layers or secondary circulations
-
- 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
- F05D2260/00—Function
- F05D2260/60—Fluid transfer
Abstract
Description
15 圧縮機
20 空気
25 燃焼器
30 燃料
35 燃焼ガス
40 タービン
45 軸
50 負荷
55 排気ディフューザ
60 ストラット
65 ハブ
70 ケーシング
75 上流セクション
80 最終段動翼
85 傾斜したケーシング構造
90 平坦なハブ構造
95 半径方向ライン
100 排気ディフューザ
110 上流セクション
120 入口
130 ストラット
140 ハブ
150 ケーシング
160 前方配置
170 傾斜したケーシング構造
180 傾斜したハブ構造
190 ハブ角度
200 ハブライン
210 平坦なハブ構造
220 排気ディフューザ
230 第1の平坦な区間
240 傾斜したハブ区間
250 第2の平坦な区間
260 排気ディフューザ
270 第1の傾斜したハブ区間
280 第1のハブ角度
290 第2の傾斜したハブ区間
300 第2のハブ角度
310 ハブの平坦な区間
320 排気ディフューザ
330 前縁
340 ストラット
350 前傾角
360 後縁
Claims (14)
- ハブ(140)と、
ケーシング(150)と、
前記ハブ(140)と前記ケーシング(150)との間を延在するストラット(130)と
を備えるガスタービンエンジン(10)用の排気ディフューザ(100)であって、
前記ハブ(140)が、前記ストラット(130)近くで傾斜した構造(180)と、前記傾斜した構造(180)の下流で実質的に平坦な構造(210)とを含む、排気ディフューザ(100)。 - 前記ハブ(140)の前記傾斜した構造(180)が、前記排気ディフューザ(100)の上流セクション(110)近くに配置される、請求項1記載の排気ディフューザ(100)。
- 前記ハブ(140)の前記傾斜した構造(180)が、前記排気ディフューザ(100)の入口(120)近くに配置される、請求項1記載の排気ディフューザ(100)。
- 前記ハブ(140)の前記傾斜した構造(180)が、前記入口(120)近くで始まって前記ストラット(130)まで延在する、請求項3記載の排気ディフューザ(100)。
- 前記ハブ(140)の前記傾斜した構造(180)が、前記入口(120)の下流で始まって前記ストラット(130)内に延在する、請求項3記載の排気ディフューザ(100)。
- 前記ハブ(140)の前記実質的に平坦な構造(210)が、第1の平坦なハブ区間(230)において前記入口(120)の下流で始まり、第2の平坦なハブ区間(250)において前記ストラット(130)の下流に延在する、請求項3記載の排気ディフューザ(100)。
- 前記ハブ(140)の前記傾斜した構造(180)が、前記第1の平坦なハブ区間(230)と前記第2の平坦なハブ区間(250)との間を延在する、請求項6記載の排気ディフューザ(100)。
- 前記ハブ(140)の前記傾斜した構造(180)が、第1のハブ角度(280)を有する第1の傾斜したハブ区間(270)を含む、請求項1記載の排気ディフューザ(100)。
- 前記ハブ(140)の前記傾斜した構造(180)が、第2のハブ角度(300)を有する第2の傾斜したハブ区間(290)を含む、請求項8記載の排気ディフューザ(100)。
- 前記ストラット(130)が、前記ハブ(140)の前記実質的に平坦な構造(210)を含む、請求項1記載の排気ディフューザ(100)。
- 前記ストラット(130)が、部分的に前記ハブ(140)の前記傾斜した構造(180)と、部分的に前記ハブ(140)の前記実質的に平坦な構造(210)とを含む、請求項1記載の排気ディフューザ(100)。
- 前記ストラット(130)が前方配置(160)を含む、請求項1記載の排気ディフューザ(100)。
- 前記ストラット(130)の前縁(330)が前傾角度(350)を含む、請求項1記載の排気ディフューザ(100)。
- 前記ケーシング(150)が傾斜したケーシング構造(170)を含む、請求項1記載の排気ディフューザ(100)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/168,400 US10563543B2 (en) | 2016-05-31 | 2016-05-31 | Exhaust diffuser |
US15/168,400 | 2016-05-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017214926A true JP2017214926A (ja) | 2017-12-07 |
JP7237444B2 JP7237444B2 (ja) | 2023-03-13 |
Family
ID=60269145
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017104043A Active JP7237444B2 (ja) | 2016-05-31 | 2017-05-26 | 排気ディフューザ |
Country Status (5)
Country | Link |
---|---|
US (1) | US10563543B2 (ja) |
JP (1) | JP7237444B2 (ja) |
KR (1) | KR102403377B1 (ja) |
CN (1) | CN107448293B (ja) |
DE (1) | DE102017111721A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6033154B2 (ja) * | 2013-03-29 | 2016-11-30 | 三菱重工業株式会社 | 軸流回転機械、及びディフューザ |
JP6498534B2 (ja) * | 2015-06-09 | 2019-04-10 | 川崎重工業株式会社 | 排気ディフューザ |
US10563543B2 (en) * | 2016-05-31 | 2020-02-18 | General Electric Company | Exhaust diffuser |
KR102403823B1 (ko) * | 2019-12-13 | 2022-05-30 | 두산에너빌리티 주식회사 | 스트립이 형성된 배기 디퓨져의 스트롯 구조 및 가스터빈 |
KR102350377B1 (ko) | 2020-03-20 | 2022-01-14 | 두산중공업 주식회사 | 유동박리 현상을 줄이는 배기 디퓨저의 허브 구조 |
PL434311A1 (pl) | 2020-06-15 | 2021-12-20 | General Electric Company | Układ konwersji kolektora wydechowego oraz sposób |
Citations (12)
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JPS57117702U (ja) * | 1981-01-14 | 1982-07-21 | ||
JPS6390630A (ja) * | 1986-09-26 | 1988-04-21 | アセア ブラウン ボヴエリ アクチエンゲゼルシヤフト | 軸流タービン |
JPH0828512A (ja) * | 1994-07-20 | 1996-02-02 | Mitsubishi Heavy Ind Ltd | 環状ダクトにおける整流装置 |
JP2011032900A (ja) * | 2009-07-30 | 2011-02-17 | Mitsubishi Heavy Ind Ltd | 流路構造及びガスタービン排気ディフューザ |
JP2012036891A (ja) * | 2010-08-06 | 2012-02-23 | General Electric Co <Ge> | 曲線輪郭軸方向−半径方向ディフューザ |
JP2012202247A (ja) * | 2011-03-24 | 2012-10-22 | Toshiba Corp | 軸流排気タービン |
JP2013108498A (ja) * | 2011-11-17 | 2013-06-06 | Alstom Technology Ltd | 特に軸流機械に用いられるディフューザ |
US20140041357A1 (en) * | 2011-10-19 | 2014-02-13 | Anthony J. Malandra | Exhaust diffuser including flow mixing ramp for a gas turbine engine |
JP2014194191A (ja) * | 2013-03-29 | 2014-10-09 | Mitsubishi Heavy Ind Ltd | 軸流回転機械、及びディフューザ |
JP2015514898A (ja) * | 2012-03-30 | 2015-05-21 | アルストム テクノロジー リミテッドALSTOM Technology Ltd | ガスタービン用の排気ディフューザ |
US20150300259A1 (en) * | 2014-04-22 | 2015-10-22 | MTU Aero Engines AG | Aircraft engine |
JP2017002775A (ja) * | 2015-06-09 | 2017-01-05 | 川崎重工業株式会社 | 排気ディフューザ |
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-
2016
- 2016-05-31 US US15/168,400 patent/US10563543B2/en active Active
-
2017
- 2017-05-26 JP JP2017104043A patent/JP7237444B2/ja active Active
- 2017-05-30 DE DE102017111721.0A patent/DE102017111721A1/de active Pending
- 2017-05-30 KR KR1020170067060A patent/KR102403377B1/ko active IP Right Grant
- 2017-05-31 CN CN201710399462.9A patent/CN107448293B/zh active Active
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JPS57117702U (ja) * | 1981-01-14 | 1982-07-21 | ||
JPS6390630A (ja) * | 1986-09-26 | 1988-04-21 | アセア ブラウン ボヴエリ アクチエンゲゼルシヤフト | 軸流タービン |
JPH0828512A (ja) * | 1994-07-20 | 1996-02-02 | Mitsubishi Heavy Ind Ltd | 環状ダクトにおける整流装置 |
JP2011032900A (ja) * | 2009-07-30 | 2011-02-17 | Mitsubishi Heavy Ind Ltd | 流路構造及びガスタービン排気ディフューザ |
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JP2017002775A (ja) * | 2015-06-09 | 2017-01-05 | 川崎重工業株式会社 | 排気ディフューザ |
Also Published As
Publication number | Publication date |
---|---|
US10563543B2 (en) | 2020-02-18 |
CN107448293A (zh) | 2017-12-08 |
KR20170135754A (ko) | 2017-12-08 |
KR102403377B1 (ko) | 2022-06-02 |
US20170342862A1 (en) | 2017-11-30 |
DE102017111721A1 (de) | 2017-11-30 |
CN107448293B (zh) | 2021-09-14 |
JP7237444B2 (ja) | 2023-03-13 |
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