JPWO2012053024A1 - 遷音速翼 - Google Patents
遷音速翼 Download PDFInfo
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- JPWO2012053024A1 JPWO2012053024A1 JP2012539475A JP2012539475A JPWO2012053024A1 JP WO2012053024 A1 JPWO2012053024 A1 JP WO2012053024A1 JP 2012539475 A JP2012539475 A JP 2012539475A JP 2012539475 A JP2012539475 A JP 2012539475A JP WO2012053024 A1 JPWO2012053024 A1 JP WO2012053024A1
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- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 28
- 239000012530 fluid Substances 0.000 claims abstract description 13
- 230000005484 gravity Effects 0.000 claims abstract description 13
- 230000008859 change Effects 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000035939 shock Effects 0.000 abstract description 39
- 238000013461 design Methods 0.000 abstract description 15
- 238000009826 distribution Methods 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 230000007423 decrease Effects 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000002040 relaxant effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009692 water atomization Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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Classifications
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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
- 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
- F01D5/147—Construction, i.e. structural features, e.g. of weight-saving hollow blades
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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
- 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
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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
- F04D21/00—Pump involving supersonic speed of pumped fluids
-
- 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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
- F04D29/324—Blades
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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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
- F04D29/384—Blades characterised by 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
- F05D2210/00—Working fluids
- F05D2210/30—Flow characteristics
-
- 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
-
- 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
- F05D2240/302—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor characteristics related to shock waves, transonic or supersonic flow
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Architecture (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Description
2 燃焼器
3 タービン
4 ロータ
5 発電機
12a,12b,12c ケーシング
13a,13b 動翼
14a,14b 静翼
15 入口案内翼
16 出口案内翼
20 遷音速翼
31 ハブ断面
32 ミーン断面
33 チップ断面
34 前縁
35 後縁
36 スタッキングライン
37 スタッキング中心
38 スタッガ線
Claims (8)
- 通過する流れの全体もしくは一部が遷音速以上の流れ場に用いられる遷音速翼において、
翼の各高さ位置における断面を翼の前縁と後縁を結ぶ線と平行に移動させ、
回転機械の回転軸もしくは外周側ケーシングと接続しているハブ断面から、翼高さ方向で前記ハブ断面から最も離れた位置にあるチップ断面にかけて、各高さ位置での翼断面の重心位置を結ぶスタッキングラインが作動流体の上流側に移動するとともに、
各高さ位置における翼断面の最大厚み位置を、前記ハブ断面からチップ断面にかけて翼の後縁側に移動するように形成したことを特徴とする遷音速翼。 - 通過する流れの全体もしくは一部が遷音速以上の流れ場に用いられる遷音速翼において、
翼の各高さ位置における断面を翼の前縁と後縁を結ぶ線と平行に移動させ、
回転機械の回転軸もしくは外周側ケーシングと接続しているハブ断面と、翼高さ方向の中心に位置するミーン断面との間のある翼高さ位置よりハブ断面側では、各高さ位置での翼断面の重心位置を結ぶスタッキングラインの軸方向位置を一定とし、前記ある翼高さ位置からチップ断面側にかけて前記スタッキングラインが作動流体の上流側に移動するとともに、
各高さ位置における翼断面の最大厚み位置を、前記ハブ断面からチップ断面にかけて翼の後縁側に移動するように形成したことを特徴とする遷音速翼。 - 請求項1に記載の遷音速翼において、
前記スタッキングラインは、全ての翼高さ位置において作動流体の上流側に位置し、且つ前記ハブ断面からチップ断面にかけて上流側に単調増加することを特徴とする遷音速翼。 - 請求項1または2に記載の遷音速翼において、
前記最大翼厚み位置は、前記ハブ断面では前縁側に位置し、該ハブ断面からチップ断面にかけて後縁側に単調増加することを特徴とする遷音速翼。 - 請求項1または2に記載の遷音速翼において、
前記最大翼厚み位置は、前記ハブ断面では前縁と後縁の平均軸方向位置より上流側にあり、前記チップ断面では前縁と後縁の平均軸方向位置より下流側にあることを特徴とした遷音速翼。 - 請求項1または2に記載の遷音速翼において、
前記各高さ位置の断面形状は、翼の前縁部を構成する円弧、後縁部を構成する円弧、および翼上面および翼下面から構成され、かつ前記翼上面と下面の中点によって定義される反り線の形状が2つ以上の円弧によって構成される多重円弧翼となることを特徴とした遷音速翼。 - 請求項1または2に記載の遷音速翼において、
前記スタッキングラインの上流側への変化率が前記チップ断面で最大となることを特徴とした遷音速翼。 - ケーシングの内周面側の軸方向及び周方向に取付けられる複数の静翼と、回転軸の外周面側に周方向に取付けられる複数の動翼を備えた軸流回転機械において、
前記静翼もしくは静翼の全体または一部に、請求項1または2の遷音速翼を用いたことを特徴とする軸流回転機械。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2010/006152 WO2012053024A1 (ja) | 2010-10-18 | 2010-10-18 | 遷音速翼 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2012053024A1 true JPWO2012053024A1 (ja) | 2014-02-24 |
JP5433793B2 JP5433793B2 (ja) | 2014-03-05 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012539475A Active JP5433793B2 (ja) | 2010-10-18 | 2010-10-18 | 遷音速翼 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9279329B2 (ja) |
EP (1) | EP2631491B1 (ja) |
JP (1) | JP5433793B2 (ja) |
CN (1) | CN103180617B (ja) |
WO (1) | WO2012053024A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11377959B2 (en) | 2018-11-05 | 2022-07-05 | Ihi Corporation | Rotor blade of axial-flow fluid machine |
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EP3108109B1 (en) | 2014-02-19 | 2023-09-13 | Raytheon Technologies Corporation | Gas turbine engine fan blade |
WO2015126451A1 (en) | 2014-02-19 | 2015-08-27 | United Technologies Corporation | Gas turbine engine airfoil |
WO2015175058A2 (en) | 2014-02-19 | 2015-11-19 | United Technologies Corporation | Gas turbine engine airfoil |
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US10605259B2 (en) | 2014-02-19 | 2020-03-31 | United Technologies Corporation | Gas turbine engine airfoil |
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EP3108118B1 (en) | 2014-02-19 | 2019-09-18 | United Technologies Corporation | Gas turbine engine airfoil |
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EP3108100B1 (en) | 2014-02-19 | 2021-04-14 | Raytheon Technologies Corporation | Gas turbine engine fan blade |
WO2015175051A2 (en) | 2014-02-19 | 2015-11-19 | United Technologies Corporation | Gas turbine engine airfoil |
WO2015175056A2 (en) | 2014-02-19 | 2015-11-19 | United Technologies Corporation | Gas turbine engine airfoil |
EP3108114B1 (en) | 2014-02-19 | 2021-12-08 | Raytheon Technologies Corporation | Gas turbine engine airfoil |
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2010
- 2010-10-18 WO PCT/JP2010/006152 patent/WO2012053024A1/ja active Application Filing
- 2010-10-18 JP JP2012539475A patent/JP5433793B2/ja active Active
- 2010-10-18 US US13/879,084 patent/US9279329B2/en active Active
- 2010-10-18 EP EP10858585.2A patent/EP2631491B1/en active Active
- 2010-10-18 CN CN201080069662.4A patent/CN103180617B/zh active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US11377959B2 (en) | 2018-11-05 | 2022-07-05 | Ihi Corporation | Rotor blade of axial-flow fluid machine |
Also Published As
Publication number | Publication date |
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US20130259668A1 (en) | 2013-10-03 |
WO2012053024A1 (ja) | 2012-04-26 |
CN103180617B (zh) | 2016-05-18 |
JP5433793B2 (ja) | 2014-03-05 |
EP2631491A1 (en) | 2013-08-28 |
EP2631491B1 (en) | 2018-12-12 |
EP2631491A4 (en) | 2017-08-16 |
US9279329B2 (en) | 2016-03-08 |
CN103180617A (zh) | 2013-06-26 |
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