JP2012251549A - 軸流型コンプレッサのケーシングの内周面形状 - Google Patents
軸流型コンプレッサのケーシングの内周面形状 Download PDFInfo
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- JP2012251549A JP2012251549A JP2012119420A JP2012119420A JP2012251549A JP 2012251549 A JP2012251549 A JP 2012251549A JP 2012119420 A JP2012119420 A JP 2012119420A JP 2012119420 A JP2012119420 A JP 2012119420A JP 2012251549 A JP2012251549 A JP 2012251549A
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- Prior art keywords
- casing
- peripheral surface
- region
- vane
- inner peripheral
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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
- F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
- F04D29/526—Details of the casing section radially opposing blade tips
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- 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
- F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
- F01D25/162—Bearing supports
-
- 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
- F01D5/142—Shape, i.e. outer, aerodynamic form of the blades of successive rotor or stator blade-rows
- F01D5/143—Contour of the outer or inner working fluid flow path wall, i.e. shroud or hub contour
-
- 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
- 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
- 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
- F05D2220/36—Application in turbines specially adapted for the fan of turbofan engines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Geometry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
【解決手段】 軸流型コンプレッサのロータの下流側に配置されたステータ16のベーン23の外周を囲むケーシング17の母線が、ベーン23の前縁23aよりも前方位置から後縁23bよりも後方位置に亙って径方向外側に窪む凹部領域31と、凹部領域31の前後方向中間位置において径方向内側に膨らむ凸部領域35とを備えるので、凸部領域35よりも前側の第1凹部32によりベーン23の表面における径方向の静圧分布を改善し、かつ凸部領域35よりも後側の第2凹部33によりチップ側の静圧を増加させることで、ハブ側からチップ側に向かう低運動量流体の移動を抑制して圧力損失を低減することができる。
【選択図】 図2
Description
16 ファンステータ(ステータ)
17 ケーシング
23 ステータベーン(ベーン)
23a 前縁
23b 後縁
23c ハブ側端部
23d チップ側端部
31 凹部領域
32 第1凹部
33 第2凹部
34 第1凸部
35 第2凸部(凸部領域)
36 第3凸部
Claims (4)
- 軸流型コンプレッサのロータ(15)の後方に放射状に配置されたステータ(16)のベーン(23)の外周を囲むケーシング(17)の内周面形状であって、
前記ケーシング(17)の母線が、前記ベーン(23)の前縁(23a)よりも前方位置から後縁(23b)よりも後方位置に亙って径方向外側に窪む凹部領域(31)と、前記凹部領域(31)との前後方向中間位置において径方向内側に膨らむ凸部領域(35)とを備えることを特徴とする軸流型コンプレッサのケーシングの内周面形状。 - 前記凹部領域(31)は、前側の第1凹部(32)と、後側の第2凹部(33)と、前記第1凹部(32)の前方に連続する第1凸部(34)と、前記凸部領域(35)を構成する第2凸部(35)と、前記第2凹部(33)の後方に連続する第3凸部(36)とを備えることを特徴とする、請求項1に記載の軸流型コンプレッサのケーシングの内周面形状。
- 前記第1凸部(34)、前記第1凹部(32)、前記第2凸部(35)、前記第2凹部(33)および前記第3凸部(36)は滑らかに連続することを特徴とする、請求項2に記載の軸流型コンプレッサのケーシングの内周面形状。
- 前記ベーン(23)は、ハブ側端部(23c)に対してチップ側端部(23d)が後方に向けてスイープすることを特徴とする、請求項1〜請求項3の何れか1項に記載の軸流型コンプレッサのケーシングの内周面形状。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011076804.1 | 2011-05-31 | ||
DE102011076804.1A DE102011076804B4 (de) | 2011-05-31 | 2011-05-31 | Innenumfangsflächenform eines Lüftergehäuses eines Axialverdichters |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012251549A true JP2012251549A (ja) | 2012-12-20 |
JP6001330B2 JP6001330B2 (ja) | 2016-10-05 |
Family
ID=47173182
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012119420A Expired - Fee Related JP6001330B2 (ja) | 2011-05-31 | 2012-05-25 | 軸流型コンプレッサのケーシングの内周面形状 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20120315136A1 (ja) |
JP (1) | JP6001330B2 (ja) |
DE (1) | DE102011076804B4 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101964380B1 (ko) * | 2012-04-16 | 2019-07-31 | 후아웨이 테크놀러지 컴퍼니 리미티드 | 외부 장치의 종류를 인식하는 촬영 장치, 그 제어 방법, 및 외부 장치 |
GB201420011D0 (en) * | 2014-11-11 | 2014-12-24 | Rolls Royce Plc | Gas turbine engine |
GB201420010D0 (en) * | 2014-11-11 | 2014-12-24 | Rolls Royce Plc | Gas turbine engine |
EP3032032B1 (de) * | 2014-12-12 | 2019-06-12 | MTU Aero Engines GmbH | Austrittsleitgitter und Mantelstromtriebwerk mit einem Austrittsleitgitter |
DE102014225689A1 (de) * | 2014-12-12 | 2016-07-14 | MTU Aero Engines AG | Strömungsmaschine mit Ringraumerweiterung und Schaufel |
GB2544526B (en) * | 2015-11-20 | 2019-09-18 | Rolls Royce Plc | Gas turbine engine |
US10519976B2 (en) * | 2017-01-09 | 2019-12-31 | Rolls-Royce Corporation | Fluid diodes with ridges to control boundary layer in axial compressor stator vane |
KR101974739B1 (ko) * | 2017-09-27 | 2019-05-02 | 두산중공업 주식회사 | 가스 터빈 |
US10920599B2 (en) * | 2019-01-31 | 2021-02-16 | Raytheon Technologies Corporation | Contoured endwall for a gas turbine engine |
DE102020209586A1 (de) * | 2020-07-30 | 2022-02-03 | MTU Aero Engines AG | Leitschaufel für eine strömungsmaschine |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2846137A (en) * | 1955-06-03 | 1958-08-05 | Gen Electric | Construction for axial-flow turbomachinery |
US5397215A (en) * | 1993-06-14 | 1995-03-14 | United Technologies Corporation | Flow directing assembly for the compression section of a rotary machine |
JPH108910A (ja) * | 1996-04-01 | 1998-01-13 | Asea Brown Boveri Ag | 多段式の翼構造 |
JPH10184304A (ja) * | 1996-12-27 | 1998-07-14 | Toshiba Corp | 軸流タービンのタービンノズルおよびタービン動翼 |
JP2008274926A (ja) * | 2007-04-27 | 2008-11-13 | Honda Motor Co Ltd | 軸流型ガスタービンエンジンのガス通路形状 |
Family Cites Families (14)
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DE216525C (ja) * | ||||
DE579989C (de) * | 1933-07-04 | Karl Roeder Dr Ing | Kopfringlose Beschaufelung fuer axialbeaufschlagte Dampf- oder Gasturbinen | |
US2978865A (en) * | 1956-02-06 | 1961-04-11 | Curtiss Wright Corp | Turbo fan exhaust mixing device |
US2880574A (en) * | 1956-05-18 | 1959-04-07 | Curtiss Wright Corp | By-pass turbo jet engine construction |
US3048376A (en) * | 1958-04-09 | 1962-08-07 | Curtiss Wright Corp | Fluid mixing apparatus |
US4226084A (en) * | 1970-07-24 | 1980-10-07 | General Motors Corporation | Ducted fan engine exhaust mixer |
US4054030A (en) * | 1976-04-29 | 1977-10-18 | General Motors Corporation | Variable cycle gas turbine engine |
US5184459A (en) * | 1990-05-29 | 1993-02-09 | The United States Of America As Represented By The Secretary Of The Air Force | Variable vane valve in a gas turbine |
JPH07247996A (ja) | 1994-03-11 | 1995-09-26 | Ishikawajima Harima Heavy Ind Co Ltd | 圧縮機の通路形状 |
DE19650656C1 (de) | 1996-12-06 | 1998-06-10 | Mtu Muenchen Gmbh | Turbomaschine mit transsonischer Verdichterstufe |
EP0943784A1 (de) | 1998-03-19 | 1999-09-22 | Asea Brown Boveri AG | Konturierter Kanal einer axialen Strömungsmaschine |
DE10233033A1 (de) | 2002-07-20 | 2004-01-29 | Rolls-Royce Deutschland Ltd & Co Kg | Strömungs-Arbeits-Maschine mit überhöhtem Rotor-Stator-Kontraktionsverhältnis |
US7874794B2 (en) | 2006-03-21 | 2011-01-25 | General Electric Company | Blade row for a rotary machine and method of fabricating same |
GB0905729D0 (en) | 2009-04-03 | 2009-05-20 | Rolls Royce Plc | Stator vane assembly |
-
2011
- 2011-05-31 DE DE102011076804.1A patent/DE102011076804B4/de not_active Expired - Fee Related
-
2012
- 2012-05-25 JP JP2012119420A patent/JP6001330B2/ja not_active Expired - Fee Related
- 2012-05-30 US US13/483,377 patent/US20120315136A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2846137A (en) * | 1955-06-03 | 1958-08-05 | Gen Electric | Construction for axial-flow turbomachinery |
US5397215A (en) * | 1993-06-14 | 1995-03-14 | United Technologies Corporation | Flow directing assembly for the compression section of a rotary machine |
JPH108910A (ja) * | 1996-04-01 | 1998-01-13 | Asea Brown Boveri Ag | 多段式の翼構造 |
JPH10184304A (ja) * | 1996-12-27 | 1998-07-14 | Toshiba Corp | 軸流タービンのタービンノズルおよびタービン動翼 |
JP2008274926A (ja) * | 2007-04-27 | 2008-11-13 | Honda Motor Co Ltd | 軸流型ガスタービンエンジンのガス通路形状 |
Also Published As
Publication number | Publication date |
---|---|
JP6001330B2 (ja) | 2016-10-05 |
DE102011076804B4 (de) | 2019-04-25 |
DE102011076804A1 (de) | 2012-12-06 |
US20120315136A1 (en) | 2012-12-13 |
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