JP2012207668A - ターボ機械用翼 - Google Patents
ターボ機械用翼 Download PDFInfo
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- JP2012207668A JP2012207668A JP2012166361A JP2012166361A JP2012207668A JP 2012207668 A JP2012207668 A JP 2012207668A JP 2012166361 A JP2012166361 A JP 2012166361A JP 2012166361 A JP2012166361 A JP 2012166361A JP 2012207668 A JP2012207668 A JP 2012207668A
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- Prior art keywords
- blade
- chord length
- tip
- leg
- wing
- 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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Links
- 239000012530 fluid Substances 0.000 description 7
- 238000007493 shaping process Methods 0.000 description 4
- 238000005192 partition Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- F05D2220/31—Application in turbines in steam 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
- F05D2240/20—Rotors
- F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05D2240/301—Cross-sectional characteristics
-
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S416/00—Fluid reaction surfaces, i.e. impellers
- Y10S416/02—Formulas of curves
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S416/00—Fluid reaction surfaces, i.e. impellers
- Y10S416/05—Variable camber or chord length
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
従来様式のターボ機械用翼を基にした、新しいターボ機械用翼を提供することにある。
【解決手段】
ツヴァイフェルのパラメータが翼板の縦方向にわたって、所属する翼列の損失が最小限に抑えられているように可変に調節されていることにより解決される。
【選択図】図3
Description
2 軸
3 ケーシング
21 回転翼
22 回転翼脚部
23 回転翼プラットフォーム
24 翼板
25 翼先端部
31 案内翼
32 案内翼脚部
33 案内翼プラットフォーム
34 翼板
35 翼先端部
240 翼板形状
241 翼板形状
242 翼板形状
250 中心線
251 中心線
252 中心線
340 翼板形状
341 翼板形状
342 翼板形状
350 中心線
351 中心線
352 中心線
d0 翼板形状の最大形状厚
d1 翼板形状の最大形状厚
dm 翼板形状の最大形状厚
s0 翼弦長
s1 翼弦長
sm 翼弦長
Claims (10)
- 翼板(24,34)を備えており、
この翼板が翼板縦方向でもって脚部側端部(23,33)から先端部側端部(25,35)まで延在しており、かつこの翼板が翼板前縁部と翼板後縁部とを備えているターボ機械用翼(21,31)において、
ツヴァイフェルのパラメータが翼板の縦方向にわたって、所属する翼列の損失が最小限に抑えられているように可変に調節されていることを特徴とするターボ機械用翼。 - ツヴァイフェルのパラメータが翼板の中央領域においては先端部側端部もしくは脚部側端部におけるよりも大きいように調節されていることを特徴とする請求項1に記載のターボ機械用翼。
- 縦方向の位置には、翼板前縁部から翼板後縁部までの翼弦長(s0,s1,sm)が定義されていること、そして
翼板の先端部側もしくは脚部側端部に対して0.7前後の値まで落ちるように、次元の無いツヴァイフェルのパラメータが中央領域で0.9前後の値をとるように構成されていることを特徴とする請求項2に記載のターボ機械用翼。 - 翼板が脚部側端部において脚部側翼弦長(s0)を備え、先端部側端部(25,35)において、先端部側翼弦長(s1)を備え、かつ縦方向の中央領域において、翼弦長(sm)を備えており、この縦方向の中央領域の翼弦長が脚部側翼弦長よりも短いのと同様に、先端部側翼弦長よりも短いことを特徴とする請求項3に記載のターボ機械用翼。
- 翼板形状が各々最大の形状厚さ(d0,d1,dm)を備えていること、そして
翼弦長が短いほど空力的な負荷が大きいので、各翼弦長が短いほど、最大形状厚さが大きいことを特徴とする請求項4に記載のターボ機械用翼。 - ターボ機械用翼が翼板の少なくとも一つの位置において最大の翼弦長を備えており、
この最大の翼弦長が先端部側端部に、脚部側端部に、あるいは翼板の先端部側端部にも脚部側端部にも生じることを特徴とする請求項4記載のターボ機械用翼。 - 縦方向の中央領域における翼弦長が、最大翼弦長の90%未満の値、特に85%未満あるいは82%未満の値の最小翼弦長を有していることを特徴とする請求項6に記載のターボ機械用翼。
- 縦方向の中央領域における翼弦長(sm)が、最大翼弦長の70%以上の値、特に75%以上あるいは78%以上の値の最小翼弦長を有していることを特徴とする請求項6または7に記載のターボ機械用翼。
- 先端部側の翼弦長(s1)が最大翼弦長であり、脚部側の翼弦長が先端部側の翼弦長よりも小さいか、あるいは最大でも先端部側の翼弦長と同じであることを特徴とするターボ機械回転翼(21)としての請求項6〜8のいずれか一つに記載のターボ機械用翼。
- ターボ機械用翼が囲い板の無い回転翼列のための回転翼であることを特徴とする請求項6に記載のターボ機械用翼。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH16432005 | 2005-10-11 | ||
CH01643/05 | 2005-10-11 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008535014A Division JP2009511811A (ja) | 2005-10-11 | 2006-10-11 | ターボ機械用翼 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012207668A true JP2012207668A (ja) | 2012-10-25 |
JP5420729B2 JP5420729B2 (ja) | 2014-02-19 |
Family
ID=35583515
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008535014A Pending JP2009511811A (ja) | 2005-10-11 | 2006-10-11 | ターボ機械用翼 |
JP2012166361A Active JP5420729B2 (ja) | 2005-10-11 | 2012-07-26 | ターボ機械用翼 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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JP2008535014A Pending JP2009511811A (ja) | 2005-10-11 | 2006-10-11 | ターボ機械用翼 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8221065B2 (ja) |
JP (2) | JP2009511811A (ja) |
CN (1) | CN101326342B (ja) |
DE (1) | DE112006002658B4 (ja) |
WO (1) | WO2007042522A1 (ja) |
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DE102009023100A1 (de) * | 2009-05-28 | 2010-12-02 | Rolls-Royce Deutschland Ltd & Co Kg | Strömungsmaschine mit einer Schaufelreihengruppe mit meridionalem Kantenabstand |
US8573945B2 (en) * | 2009-11-13 | 2013-11-05 | Alstom Technology Ltd. | Compressor stator vane |
JP5603800B2 (ja) * | 2011-02-22 | 2014-10-08 | 株式会社日立製作所 | タービン静翼、およびそれを用いた蒸気タービン設備 |
GB201108001D0 (en) * | 2011-05-13 | 2011-06-29 | Rolls Royce Plc | A method of reducing asymmetric fluid flow effect in a passage |
JP5866802B2 (ja) | 2011-05-26 | 2016-02-17 | 株式会社Ihi | ノズル翼 |
CH705171A1 (de) * | 2011-06-21 | 2012-12-31 | Alstom Technology Ltd | Turbinenschaufel mit einem Schaufelblatt aus Verbundwerkstoff und Verfahren zum Herstellen davon. |
FR2991373B1 (fr) * | 2012-05-31 | 2014-06-20 | Snecma | Aube de soufflante pour turboreacteur d'avion a profil cambre en sections de pied |
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US20160160874A1 (en) * | 2014-12-04 | 2016-06-09 | Solar Turbines Incorporated | Airfoil for inlet guide vane (igv) of multistage compressor |
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CN109117552B (zh) * | 2018-08-09 | 2022-04-12 | 东方电气集团东方汽轮机有限公司 | 一种涡轮机叶片变载荷流型设计方法 |
DE102019202388A1 (de) | 2019-02-21 | 2020-08-27 | MTU Aero Engines AG | Deckbandlose Schaufel für eine schnelllaufende Turbinenstufe |
US11220910B2 (en) * | 2019-07-26 | 2022-01-11 | Pratt & Whitney Canada Corp. | Compressor stator |
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US11629599B2 (en) | 2019-11-26 | 2023-04-18 | General Electric Company | Turbomachine nozzle with an airfoil having a curvilinear trailing edge |
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2006
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- 2006-10-11 CN CN2006800464781A patent/CN101326342B/zh active Active
- 2006-10-11 DE DE112006002658.5T patent/DE112006002658B4/de active Active
- 2006-10-11 JP JP2008535014A patent/JP2009511811A/ja active Pending
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2008
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2012
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FR2053049A1 (ja) * | 1969-07-21 | 1971-04-16 | Rolls Royce | |
JPS5669405A (en) * | 1979-11-09 | 1981-06-10 | Hitachi Ltd | Stationary blade of turbine |
JPS59115500A (ja) * | 1982-12-22 | 1984-07-03 | Junji Uematsu | 軸流旋転機械減速翼列の翼 |
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JP2001132696A (ja) * | 1999-11-05 | 2001-05-18 | General Electric Co <Ge> | 狭ウェスト部を有する静翼 |
JP2002213206A (ja) * | 2001-01-12 | 2002-07-31 | Mitsubishi Heavy Ind Ltd | ガスタービンにおける翼構造 |
US20020141863A1 (en) * | 2001-03-30 | 2002-10-03 | Hsin-Tuan Liu | Twisted stator vane |
US20030035723A1 (en) * | 2001-08-17 | 2003-02-20 | Decker John J. | Compressor outlet guide vane and diffuser assembly |
Also Published As
Publication number | Publication date |
---|---|
JP2009511811A (ja) | 2009-03-19 |
US20100284801A1 (en) | 2010-11-11 |
JP5420729B2 (ja) | 2014-02-19 |
CN101326342B (zh) | 2012-06-13 |
WO2007042522A1 (de) | 2007-04-19 |
DE112006002658B4 (de) | 2021-01-07 |
US8221065B2 (en) | 2012-07-17 |
DE112006002658A5 (de) | 2008-08-21 |
CN101326342A (zh) | 2008-12-17 |
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