JP2006504045A - 形状画定した冷却孔を備えた流出液体冷却移行ダクト - Google Patents
形状画定した冷却孔を備えた流出液体冷却移行ダクト Download PDFInfo
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- 238000001816 cooling Methods 0.000 title claims abstract description 91
- 230000007704 transition Effects 0.000 title claims abstract description 72
- 239000007788 liquid Substances 0.000 title 1
- 239000002184 metal Substances 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 12
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 10
- 230000001154 acute effect Effects 0.000 claims description 9
- 229910001119 inconels 625 Inorganic materials 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 229910000601 superalloy Inorganic materials 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims 1
- 230000032258 transport Effects 0.000 claims 1
- 239000012528 membrane Substances 0.000 abstract 1
- 239000012809 cooling fluid Substances 0.000 description 13
- 239000000567 combustion gas Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- 230000008859 change Effects 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- -1 for example Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/14—Gas-turbine plants characterised by the use of combustion products as the working fluid characterised by the arrangement of the combustion chamber in the plant
-
- 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
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
- F01D9/023—Transition ducts between combustor cans and first stage of the turbine in gas-turbine engines; their cooling or sealings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/12—Cooling of plants
- F02C7/16—Cooling of plants characterised by cooling medium
- F02C7/18—Cooling of plants characterised by cooling medium the medium being gaseous, e.g. air
-
- 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
- F23R3/42—Continuous combustion chambers using liquid or gaseous fuel characterised by the arrangement or form of the flame tubes or combustion chambers
- F23R3/46—Combustion chambers comprising an annular arrangement of several essentially tubular flame tubes within a common annular casing or within individual casings
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Safety Valves (AREA)
- Saccharide Compounds (AREA)
Abstract
Description
Claims (26)
- 燃焼器から高温ガスをタービンまで移送するための噴散冷却された変移ダクト(40)において、
パネル組立体(45)であって、該パネル組立体が、
一枚の金属板から形成された第一のパネル(46)と、
一枚の金属板から形成された第二のパネル(47)とを含み、
例えば溶接のような手段によって前記第一のパネル(46)が前記第二のパネル(47)に固定され、それによって内壁(48)と、外壁(50)と、前記壁の間の肉厚と、全体的に円筒形の入口端(50)と、全体的に長方形の出口端(51)とを有するダクトを形成し、前記入口端が第一の面を、前記出口端が第二の面を画成し、前記第一の面が前記第二の面に対してある角度をつけて向いているパネル組立体(45)と、
内径と外径とを有する全体的に円筒形の入口フランジ(41)であって、前記パネル組立体の前記入口端に固定されている入口フランジ(41)と、
全体的に長方形の後端フレーム(42)であって、前記パネル組立体(45)の前記出口端に固定されている後端フレーム(42)と、
前記パネル組立体(45)にある複数の冷却孔(60)であって、前記外壁(49)から前記内壁(48)まで延在し、各々の前記孔が前記外壁(49)に進入する位置において前記外壁(49)に対して鋭角βをつけて穿孔されている冷却孔(60)と、を含むことを特徴とする噴散冷却された変移ダクト(40)。 - 前記鋭角βが最大30度であることを特徴とする請求項1に記載の変移ダクト(40)。
- 前記冷却孔(60)の直径が少なくとも1.016ミリメートル(0.040inches)であることを特徴とする請求項1に記載の変移ダクト(40)。
- 前記冷却孔(60)が前記外壁(49)から前記内壁(48)に向かう方向において穿孔され、かつ前記後端フレーム(42)に向かう方向に角度をつけられていることを特徴とする請求項1に記載の変移ダクト(40)。
- 最も近い隣接する冷却孔(60)間の軸線方向および横方向の最小距離Pが、P<(15xD)の関係によって決まることを特徴とする請求項1に記載の変移ダクト(40)。
- 前記パネル組立体(45)が前記壁の少なくとも20%を占める冷却孔(60)を含むことを特徴とする請求項1に記載の変移ダクト(40)。
- 前記パネル組立体(45)において、入口フランジ(41)と後端フレーム(42)とが例えばインコネル(Inconel)625のようなニッケルベースの超合金から作られていることを特徴とする請求項1に記載の変移ダクト(40)。
- 前記第一のパネル(46)と第二のパネル(47)の厚さが少なくとも3.175ミリメートル(0.125inches)であることを特徴とする請求項1に記載の変移ダクト(40)。
- 燃焼器からタービンまで高温のガスを移送するための噴散冷却された変移ダクト(40)において、
パネル組立体(45)であって、前記パネル組立体が、
一枚の金属板から形成された第一のパネル(46)と、
一枚の金属板から形成された第二のパネル(47)とを含み、
前記第一のパネル(46)が例えば溶接のような手段によって前記第二のパネル(47)に固定され、そのため内壁(48)と、外壁(49)と、前記壁の間の肉厚と、全体的に円筒形の入口端(50)と、全体的に長方形の出口端(51)とを有するダクトを形成し、前記入口端が第一の面を画成し、前記出口端が第二の面を画成し、前記第一の面が前記第二の面に対して角度をつけて向けられているパネル組立体(45)と、
前記の円筒形の入口端(50)と前記長方形の出口端(51)との間で前記第一のパネル(46)に沿って位置した第一の曲率半径(52A)と、
前記円筒形の入口端(50)と前記長方形の出口端(51)との間で前記第二のパネル(47)に沿って位置した第二の曲率半径(52B)と、
内径と外径とを有する全体的に円筒形の入口フランジ(41)であって、パネル組立体(45)の前記入口端(50)に固定されている入口フランジ(41)と、
前記パネル組立体(45)の前記出口端に固定された全体的に長方形の後端フレーム(42)と、
前記パネル組立体(45)における複数の冷却孔(60)であって、前記外壁(49)から前記内壁(48)まで延在し、各々の冷却孔(60)が、前記孔が前記外壁(49)へ進入する位置において前記外壁(49)に対して鋭角βをつけて穿孔されている冷却孔(60)とを含むことを特徴とする噴散冷却した変移ダクト(40)。 - 前記鋭角βが最大30度であることを特徴とする請求項9に記載の変移ダクト(40)。
- 前記冷却孔(60)の直径Dが少なくとも1.016ミリメートル(0.040inches)であることを特徴とする請求項10に記載の変移ダクト(40)。
- 前記冷却孔(60)が前記外壁(49)から前記内壁(48)に向かう方向で穿孔され、かつ前記後端フレーム(42)に向かう方向において角度をつけられていることを特徴とする請求項9に記載の変移ダクト(40)。
- 最も近い隣接する冷却孔(60)の間の軸線方向および横方向における最小距離PがP<(15xD)の関係によって決まることを特徴とする請求項9に記載の変移ダクト(40)。
- 前記パネル組立体(45)が前記壁の少なくとも20%を占める冷却孔(60)を含むことを特徴とする請求項9に記載の変移ダクト(40)。
- 前記パネル組立体(45)において、前記入口フランジ(41)と前記後端フレーム(42)とが例えばインコネル(Inconel)625のようなニッケルベースの超合金から作られていることを特徴とする請求項9に記載の変移ダクト(40)。
- 前記第一のパネル(46)と第二のパネル(47)との厚さが少なくとも3.175ミリメートル(0.125inches)であることを特徴とする請求項9に記載の変移ダクト(40)。
- 前記第一の曲率半径が少なくとも254ミリメートル(10inches)であり、前記第二の曲率半径が少なくとも76.2ミリメートル(3inches)であることを特徴とする請求項9に記載の変移ダクト(40)。
- 燃焼器からタービンまで高温のガスを移送する噴散冷却された変移ダクト(40)において、
パネル組立体(45)であって、該パネル組立体が、
一枚の金属板から形成された第一のパネル(46)と、
一枚の金属板から形成された第二のパネル(47)とを含み、
前記第一のパネル(46)が例えば溶接のような手段によって前記第二のパネル(47)に固定され、そのため内壁(48)と、外壁(49)と、前記壁の間の肉厚と、全体的に円筒形の入口端(50)と、全体的に長方形の出口端(51)とを有するダクト(40)を形成し、前記入口端(50)が第一の面を画成し、前記出口端(51)が第二の面を画成し、前記第一の面が前記第二の面に対して角度を付けて向けられているパネル組立体(45)と、
内径(53)と外径(54)とを有し、前記パネル組立体の前記入口端に固定されている全体的に円筒形の入口スリーブ(41)と、
前記パネル組立体の前記出口端に固定されている全体的に長方形の後端フレーム(42)と、
前記パネル組立体(45)における複数の冷却孔(60)であって、各々が中心線CLを有し、軸線および横方向において隣接する冷却孔から距離Pだけ分離されており、前記冷却孔(60)は前記外壁(49)から前記内壁(48)まで延在しており、前記冷却孔(60)の各々が前記外壁(49)に対して面鋭角βを、そして横方向角度γをつけて穿孔されており、前記冷却孔(60)の各々が前記冷却孔前記外壁(49)と前記内壁(48)と交差する前記冷却孔の中心CLに対して垂直に測定して第一の直径D1と第二の直径D2とを有し、前記冷却孔が全体的に円錐形となるように前記第二の直径D2が前記第一の直径D1よりも大きい複数の冷却孔(60)とを含むことを特徴とする噴散冷却した変移ダクト(40)。 - 前記面鋭角βが前記外壁(49)から15度と30度の間であることを特徴とする請求項18に記載の変移ダクト(40)。
- 前記横角度γが30度から45度の間であることを特徴とする請求項18に記載の変移ダクト(40)。
- 前記第一の直径が少なくとも0.635ミリメートル(0.025inches)であることを特徴とする請求項18に記載の変移ダクト(40)。
- 前記第二の直径D2が少なくとも1.143ミリメートル(0.045inches)であることを特徴とする請求項18に記載の変移ダクト(40)。
- 前記冷却孔(60)が前記外壁(49)から前記内壁(48)に向かう方向において穿孔され、かつ前記後端フレーム(42)に向かう方向に角度が付けられていることを特徴とする請求項18に記載の変移ダクト(40)。
- 最も近い隣接した冷却孔(60)の間の軸線方向および横方向における前記距離Pが少なくとも5.08ミリメートル(0.2inches)であることを特徴とする請求項18に記載の変移ダクト(40)。
- 前記パネル組立体(25)において、前記入口スリーブ(41)と後端フレーム(42)とが例えばインコネル(Inconel)625のようなニッケルベースの超合金から作られていることを特徴とする請求項18に記載の変移ダクト(40)。
- 前記厚さが少なくとも3.175ミリメートル(0.125inches)であることを特徴とする請求項18に記載の変移ダクト(40)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/280,173 US6640547B2 (en) | 2001-12-10 | 2002-10-25 | Effusion cooled transition duct with shaped cooling holes |
PCT/US2003/013204 WO2004040108A1 (en) | 2002-10-25 | 2003-05-01 | Effusion cooled transition duct with shaped cooling holes |
Publications (2)
Publication Number | Publication Date |
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JP2006504045A true JP2006504045A (ja) | 2006-02-02 |
JP4382670B2 JP4382670B2 (ja) | 2009-12-16 |
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JP2004548255A Expired - Fee Related JP4382670B2 (ja) | 2002-10-25 | 2003-05-01 | 形状画定した冷却孔を備えた流出液体冷却移行ダクト |
Country Status (12)
Country | Link |
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US (1) | US6640547B2 (ja) |
EP (1) | EP1556596B8 (ja) |
JP (1) | JP4382670B2 (ja) |
KR (1) | KR101044662B1 (ja) |
AT (1) | ATE380286T1 (ja) |
AU (1) | AU2003228742A1 (ja) |
CA (1) | CA2503333C (ja) |
DE (1) | DE60317920T2 (ja) |
ES (1) | ES2294281T3 (ja) |
IL (1) | IL168196A (ja) |
MX (1) | MXPA05004420A (ja) |
WO (1) | WO2004040108A1 (ja) |
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JP2010043643A (ja) * | 2008-08-15 | 2010-02-25 | General Electric Co <Ge> | インピンジメント及びエフュージョン冷却式燃焼器部品 |
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2003
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- 2003-05-01 KR KR1020057007156A patent/KR101044662B1/ko not_active IP Right Cessation
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JP2010043643A (ja) * | 2008-08-15 | 2010-02-25 | General Electric Co <Ge> | インピンジメント及びエフュージョン冷却式燃焼器部品 |
Also Published As
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CA2503333C (en) | 2011-04-26 |
US20030106318A1 (en) | 2003-06-12 |
IL168196A (en) | 2009-06-15 |
EP1556596A1 (en) | 2005-07-27 |
ES2294281T3 (es) | 2008-04-01 |
US6640547B2 (en) | 2003-11-04 |
MXPA05004420A (es) | 2005-07-26 |
EP1556596A4 (en) | 2006-01-25 |
CA2503333A1 (en) | 2004-05-13 |
AU2003228742A1 (en) | 2004-05-25 |
EP1556596B8 (en) | 2008-01-23 |
KR101044662B1 (ko) | 2011-06-28 |
EP1556596B1 (en) | 2007-12-05 |
KR20050055786A (ko) | 2005-06-13 |
DE60317920T2 (de) | 2008-04-10 |
DE60317920D1 (de) | 2008-01-17 |
ATE380286T1 (de) | 2007-12-15 |
WO2004040108A1 (en) | 2004-05-13 |
JP4382670B2 (ja) | 2009-12-16 |
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