JP2011140951A - タービンエンジン翼形部の内部空洞内における熱伝達の強化 - Google Patents
タービンエンジン翼形部の内部空洞内における熱伝達の強化 Download PDFInfo
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- JP2011140951A JP2011140951A JP2010289321A JP2010289321A JP2011140951A JP 2011140951 A JP2011140951 A JP 2011140951A JP 2010289321 A JP2010289321 A JP 2010289321A JP 2010289321 A JP2010289321 A JP 2010289321A JP 2011140951 A JP2011140951 A JP 2011140951A
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- Prior art keywords
- airfoil
- vortex generators
- trailing edge
- vortex
- internal
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- 238000012546 transfer Methods 0.000 title abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 32
- 239000002826 coolant Substances 0.000 claims abstract description 13
- 230000007246 mechanism Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000005495 investment casting Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012720 thermal barrier coating Substances 0.000 description 1
Images
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
- F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
- F01D5/187—Convection cooling
-
- 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
- F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
- F01D5/186—Film cooling
-
- 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
- F05D2240/122—Fluid guiding means, e.g. vanes related to the trailing edge of a stator vane
-
- 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
- F05D2240/127—Vortex generators, turbulators, or the like, for mixing
-
- 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
- F05D2240/304—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the trailing edge of a rotor blade
-
- 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
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/221—Improvement of heat transfer
- F05D2260/2212—Improvement of heat transfer by creating turbulence
-
- 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
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/221—Improvement of heat transfer
- F05D2260/2214—Improvement of heat transfer by increasing the heat transfer surface
- F05D2260/22141—Improvement of heat transfer by increasing the heat transfer surface using fins or ribs
-
- 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)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
【解決手段】本翼形部10は、前縁12、後縁14、負圧側面16及び正圧側面18と、翼形部内で半径方向に延びる複数の内部冷却空洞20、22、24とを含む。複数の内部冷却空洞の1つ24が、後縁14に沿って延びる。後縁には、後縁に沿って延びる複数の冷却媒体流出アパーチャが設けられる。複数の渦発生体が、翼形部の正圧及び負圧側面の少なくとも1つの内部表面上に形成される。渦発生体は、複数の内部冷却空洞24の1つ内で半径方向に間隔を置いた状態で複数の冷却媒体流出アパーチャにほぼ平行にかつ複数の冷却媒体流出アパーチャに近接して延びるように配置される。
【選択図】図1
Description
12 前縁
14 後縁
16 負圧表面
18 正圧表面
20、22 内部冷却空洞
24 内部冷却空洞、後縁空洞
26 流出アパーチャ
28、30 内部表面
32 「完全」デルタウィング渦発生体
34 傾斜三角形状流入ランプ表面
36 傾斜側部表面
38 後部アペックス
40 流れ矢印
42、44 渦(ボルテックス)
46、48 「半」デルタウィング渦発生体
50、52 「半」デルタウィング渦発生体
54、56 直角三角形流入ランプ表面
58 垂直側部表面
60 傾斜側部表面
62、64 後部アペックス
66 流れ矢印
68 リブウィングレット
70 ベース
72 リーディングエッジ
74 傾斜エッジ
76 流れ矢印
80 矢じり形状渦発生体
82 アペックス
84 ウェッジ形状渦発生体
92 アペックスエッジ
94、96 下向きテーパ側部
98 幅広後部エッジ
100 上方下向き傾斜及び発散上部表面
102 流れ矢印
Claims (11)
- 翼形部(10)であって、当該翼形部が、
前縁(12)、後縁(14)、負圧側面(16)及び正圧側面(18)と、
該翼形部内で半径方向に延びる複数の内部冷却空洞(20、22、24)と、
該翼形部の正圧及び負圧側面の少なくとも1つの内部表面(30)上に形成された複数の渦発生体(32)と
を含んでおり、
前記複数の内部冷却空洞の1つ(24)が前記後縁に沿って延び、前記後縁(14)には、該後縁に沿って延びる複数の冷却媒体流出アパーチャ(26)が設けられ、前記複数の渦発生体(32)が、前記複数の内部冷却空洞(24)の1つ内で半径方向に間隔を置いた状態で前記複数の冷却媒体流出アパーチャ(26)にほぼ平行にかつ該複数の冷却媒体流出アパーチャ(26)に近接して延びるように配置される、翼形部。 - 前記複数の渦発生体(32)の少なくとも一部が完全デルタウィング構成を有する、請求項1記載の翼形部。
- 前記複数の渦発生体(46、48)の少なくとも一部が半デルタウィング構成を有する、請求項2記載の翼形部。
- 前記複数の渦発生体(32)が、それぞれ該翼形部の正圧及び負圧側面の両方の内部表面上に形成された第1及び第2の群を含み、各前記群が、単一又は複数列の渦発生体を含む、請求項1記載の翼形部。
- 前記複数の渦発生体(32)が、前記内部表面(30)上に単一又は複数縦列として配置される、請求項1記載の翼形部。
- 該翼形部の正圧側面(18)上の前記第1の群が、該翼形部の負圧側面(16)上の前記第2の群とほぼ半径方向に整列している、請求項4記載の翼形部。
- 該翼形部の正圧側面(18)上の前記第1の群が、該翼形部の負圧側面(16)上の前記第2の群と半径方向に千鳥配置されている、請求項4記載の翼形部。
- 各前記完全デルタウィング構成が、後部アペックス(38)において収束した一対の内向き傾斜側部表面(36)によって側方形成された上向き傾斜流入ランプ表面(34)を含む、請求項2記載の翼形部。
- 各前記半デルタウィング構成(46、48)が、後部アペックス(62)において収束した内向き傾斜側部表面(60)及び垂直側部表面(58)によって側方形成された上向き傾斜流入ランプ表面(54)を含む、請求項3記載の翼形部。
- 前記複数の渦発生体(32)が、1以上の三角形状リブ(68)を含む、請求項1記載の翼形部。
- 前記複数の渦発生体(32)の各々が1以上のウェッジ状構成要素(88)を含む、請求項1記載の翼形部。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/683,133 US8439628B2 (en) | 2010-01-06 | 2010-01-06 | Heat transfer enhancement in internal cavities of turbine engine airfoils |
US12/683,133 | 2010-01-06 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2011140951A true JP2011140951A (ja) | 2011-07-21 |
JP2011140951A5 JP2011140951A5 (ja) | 2014-02-13 |
JP5898841B2 JP5898841B2 (ja) | 2016-04-06 |
Family
ID=44215088
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010289321A Active JP5898841B2 (ja) | 2010-01-06 | 2010-12-27 | タービンエンジン翼形部の内部空洞内における熱伝達の強化 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8439628B2 (ja) |
JP (1) | JP5898841B2 (ja) |
CN (1) | CN102116177B (ja) |
CH (1) | CH702551B8 (ja) |
DE (1) | DE102010061376A1 (ja) |
Cited By (1)
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CN108910019B (zh) * | 2018-07-05 | 2020-03-31 | 中国空气动力研究与发展中心高速空气动力研究所 | 一种采用热双金属微锯齿结构的空气流动控制*** |
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2011
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Also Published As
Publication number | Publication date |
---|---|
US8439628B2 (en) | 2013-05-14 |
JP5898841B2 (ja) | 2016-04-06 |
CH702551B8 (de) | 2015-11-30 |
CN102116177A (zh) | 2011-07-06 |
CH702551A2 (de) | 2011-07-15 |
US20110164960A1 (en) | 2011-07-07 |
DE102010061376A1 (de) | 2011-07-07 |
CN102116177B (zh) | 2015-05-20 |
CH702551B1 (de) | 2015-09-15 |
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