JP2011196360A - ダブルジェット式フィルム冷却構造 - Google Patents
ダブルジェット式フィルム冷却構造 Download PDFInfo
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- JP2011196360A JP2011196360A JP2010067329A JP2010067329A JP2011196360A JP 2011196360 A JP2011196360 A JP 2011196360A JP 2010067329 A JP2010067329 A JP 2010067329A JP 2010067329 A JP2010067329 A JP 2010067329A JP 2011196360 A JP2011196360 A JP 2011196360A
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- cooling medium
- wall surface
- pair
- ejection holes
- supply passage
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- 238000001816 cooling Methods 0.000 title claims abstract description 25
- 239000002826 coolant Substances 0.000 claims abstract description 79
- 239000007789 gas Substances 0.000 description 33
- 239000003507 refrigerant Substances 0.000 description 15
- 238000000926 separation method Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- IYLGZMTXKJYONK-ACLXAEORSA-N (12s,15r)-15-hydroxy-11,16-dioxo-15,20-dihydrosenecionan-12-yl acetate Chemical group O1C(=O)[C@](CC)(O)C[C@@H](C)[C@](C)(OC(C)=O)C(=O)OCC2=CCN3[C@H]2[C@H]1CC3 IYLGZMTXKJYONK-ACLXAEORSA-N 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- IYLGZMTXKJYONK-UHFFFAOYSA-N ruwenine Natural products O1C(=O)C(CC)(O)CC(C)C(C)(OC(C)=O)C(=O)OCC2=CCN3C2C1CC3 IYLGZMTXKJYONK-UHFFFAOYSA-N 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/12—Elements constructed in the shape of a hollow panel, e.g. with channels
-
- 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
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/02—Continuous combustion chambers using liquid or gaseous fuel characterised by the air-flow or gas-flow configuration
- F23R3/04—Air inlet arrangements
- F23R3/06—Arrangement of apertures along the flame tube
-
- 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
- F05D2250/00—Geometry
- F05D2250/10—Two-dimensional
- F05D2250/14—Two-dimensional elliptical
-
- 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
- F05D2250/00—Geometry
- F05D2250/70—Shape
- F05D2250/72—Shape symmetric
-
- 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
- F05D2260/202—Heat transfer, e.g. cooling by film cooling
-
- 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)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
【解決手段】高温ガス(G)の通路(2)に臨む壁面(1)に、冷却媒体(C)を前記通路(2)に噴出する1対以上の噴出孔(5a,5b)が設けられ、前記各対の噴出孔(5a,5b)に前記冷却媒体(C)を供給する単一の供給通路(7)が壁内に形成され、前記各対の噴出孔(5a,5b)の間に、これら噴出孔の後端(5aa,5ba)よりも前方に位置し、前記供給通路(7)からの冷却媒体(C)を各対の噴出孔に振り分ける振り分け部(9)が形成され、各対の噴出孔からの冷却媒体が、これら冷却媒体を互いに前記壁面に押しつける方向の渦流(S1,S2)を形成するように、前記冷却媒体(C)の噴出方向が、前記高温ガス(G)の流れ方向に対して傾斜して設定されている。
【選択図】図2
Description
2 高温ガス通路
5a,5b 1対の噴出孔
7 供給通路
9 振り分け部
A,B 冷却媒体の噴出方向
S1,S2 渦流
C 冷却媒体
D 供給通路の孔径
G 高温ガス
θ1 水平方向噴出角度
θ2 縦方向噴出角度
Claims (8)
- 高温ガスの通路に臨む壁面に、冷却媒体を前記通路に噴出する1対以上の噴出孔が設けられ、
前記各対の噴出孔に前記冷却媒体を供給する単一の供給通路が壁内に形成され、
前記各対の噴出孔の間に、これら噴出孔の後端よりも前方に位置し、前記供給通路からの冷却媒体を各対の噴出孔に振り分ける振り分け部が形成され、
各対の噴出孔からの冷却媒体が、これら冷却媒体を互いに前記壁面に押しつける方向の渦流を形成するように、前記冷却媒体の噴出方向が、前記高温ガスの流れ方向に対して傾斜して設定されているダブルジェット式フィルム冷却構造。 - 請求項1において、前記振り分け部は、この振り分け部に衝突する冷却媒体の進入方向と直交する仮想直交面に対し、前記進入方向と直交する軸心回りに後方へ傾斜しているダブルジェット式フィルム冷却構造。
- 請求項1または2において、前記1対の噴出孔からの前記冷却媒体の各噴出方向の、前記高温ガスの流れ方向に対する前記壁面に沿った水平方向噴出角度が、前記流れ方向を挟んで互いに反対方向を向くθ1に設定されているダブルジェット式フィルム冷却構造。
- 請求項1から3のいずれか一項において、前記水平方向噴出角度θ1が5〜85°の範囲にあるダブルジェット式フィルム冷却構造。
- 請求項1から4のいずれか一項において、前記各噴出孔から前記高温ガス通路へ噴出される前記冷却媒体の噴出方向と前記壁面とがなす縦方向噴出角度θ2が5〜85°の範囲にあるダブルジェット式フィルム冷却構造。
- 請求項1から5のいずれか一項において、前記1対の噴出孔の、前記壁面に臨む開口における、前記振り分け部を除いた形状が、それぞれ、前記噴出方向を長軸とするほぼ楕円形状であり、これら2つの楕円形状の中心間隔が、前記供給通路の孔径Dに対して0〜2Dに設定されているダブルジェット式フィルム冷却構造。
- 請求項1から6のいずれか一項において、前記供給通路の長さL1が、前記供給通路の孔径Dに対して0〜10Dに設定されているダブルジェット式フィルム冷却構造。
- 請求項1から7のいずれか一項において、前記供給通路の出口から前記1対の噴出孔の前記壁面に臨む開口までの距離L2が、前記供給通路の孔径Dに対して0.5〜6Dに設定されているダブルジェット式フィルム冷却構造。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010067329A JP4954309B2 (ja) | 2010-03-24 | 2010-03-24 | ダブルジェット式フィルム冷却構造 |
PCT/JP2011/001207 WO2011118131A1 (ja) | 2010-03-24 | 2011-03-02 | ダブルジェット式フィルム冷却構造 |
EP11758943.2A EP2554792B1 (en) | 2010-03-24 | 2011-03-02 | Double-jet film cooling structure |
US13/636,667 US9599411B2 (en) | 2010-03-24 | 2011-03-02 | Double-jet type film cooling structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010067329A JP4954309B2 (ja) | 2010-03-24 | 2010-03-24 | ダブルジェット式フィルム冷却構造 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011196360A true JP2011196360A (ja) | 2011-10-06 |
JP4954309B2 JP4954309B2 (ja) | 2012-06-13 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010067329A Active JP4954309B2 (ja) | 2010-03-24 | 2010-03-24 | ダブルジェット式フィルム冷却構造 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9599411B2 (ja) |
EP (1) | EP2554792B1 (ja) |
JP (1) | JP4954309B2 (ja) |
WO (1) | WO2011118131A1 (ja) |
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WO2013069724A1 (ja) * | 2011-11-09 | 2013-05-16 | 株式会社Ihi | フィルム冷却構造及びタービン翼 |
JP2013100771A (ja) * | 2011-11-08 | 2013-05-23 | Central Research Institute Of Electric Power Industry | 高温部品のフィルム冷却構造 |
WO2013089255A1 (ja) * | 2011-12-15 | 2013-06-20 | 株式会社Ihi | タービン翼 |
WO2013089251A1 (ja) * | 2011-12-15 | 2013-06-20 | 株式会社Ihi | タービン翼 |
JP2014214632A (ja) * | 2013-04-23 | 2014-11-17 | 三菱日立パワーシステムズ株式会社 | フィルム冷却構造 |
JP2015520322A (ja) * | 2012-06-13 | 2015-07-16 | ゼネラル・エレクトリック・カンパニイ | ガスタービンエンジンの壁 |
JP2016173106A (ja) * | 2015-03-17 | 2016-09-29 | ゼネラル・エレクトリック・カンパニイ | エンジン構成部品 |
US20170152750A1 (en) * | 2012-02-15 | 2017-06-01 | United Technologies Corporation | Multiple diffusing cooling hole |
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WO2013069724A1 (ja) * | 2011-11-09 | 2013-05-16 | 株式会社Ihi | フィルム冷却構造及びタービン翼 |
JP2013100786A (ja) * | 2011-11-09 | 2013-05-23 | Ihi Corp | フィルム冷却構造及びタービン翼 |
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JP7168926B2 (ja) | 2018-03-28 | 2022-11-10 | 三菱重工業株式会社 | フィルム冷却構造 |
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Also Published As
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EP2554792B1 (en) | 2020-10-07 |
EP2554792A1 (en) | 2013-02-06 |
US9599411B2 (en) | 2017-03-21 |
EP2554792A4 (en) | 2013-09-04 |
US20130175015A1 (en) | 2013-07-11 |
WO2011118131A1 (ja) | 2011-09-29 |
JP4954309B2 (ja) | 2012-06-13 |
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