JP7158822B2 - 多重壁ブレードのための冷却回路 - Google Patents
多重壁ブレードのための冷却回路 Download PDFInfo
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- JP7158822B2 JP7158822B2 JP2016240790A JP2016240790A JP7158822B2 JP 7158822 B2 JP7158822 B2 JP 7158822B2 JP 2016240790 A JP2016240790 A JP 2016240790A JP 2016240790 A JP2016240790 A JP 2016240790A JP 7158822 B2 JP7158822 B2 JP 7158822B2
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- cooling circuit
- pin fin
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- 238000001816 cooling Methods 0.000 title claims description 205
- 238000005266 casting Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 18
- 239000007789 gas Substances 0.000 description 15
- 239000002184 metal Substances 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 9
- 238000005058 metal casting Methods 0.000 description 5
- 239000000567 combustion gas Substances 0.000 description 4
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000005219 brazing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- -1 steel Chemical class 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
- F01D5/18—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
- 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
-
- 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
- F02C3/04—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor
-
- 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
-
- 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
- F05D2220/32—Application in turbines in gas 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
- 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
- F05D2240/307—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 tip 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
- F05D2240/00—Components
- F05D2240/35—Combustors or associated equipment
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Description
[実施態様1]
冷却システムであって、
ピンフィンバンク冷却回路と、
上記ピンフィンバンク冷却回路に冷却空気を供給する空気供給キャビティと、
を備え、
上記ピンフィンバンク冷却回路が、多重壁ブレードの少なくとも1つの中央プレナム及び上記多重壁ブレードの壁近傍冷却チャンネルの第1のセットから半径方向外向きに延びてこれらを少なくとも部分的に覆う、冷却システム。
[実施態様2]
上記ピンフィンバンク冷却回路が更に、
開口と、
上記開口内に配置された複数のピンと、
を含む、実施態様1に記載の冷却システム。
[実施態様3]
上記ピンフィンバンク冷却回路の開口が、上記空気供給キャビティから上記多重壁ブレードの後縁に向かって延びる、実施態様2に記載の冷却システム。
[実施態様4]
上記ピンフィンバンク冷却回路の開口が、上記空気供給キャビティから上記多重壁ブレードの前縁に向かって延びる、実施態様2に記載の冷却システム。
[実施態様5]
上記壁近傍冷却チャンネルの第1のセットが、上記多重壁ブレードの正圧側面に隣接して配置される、実施態様2に記載の冷却システム。
[実施態様6]
上記開口が、上記多重壁ブレードにおいて上記壁近傍冷却チャンネルの第2のセットにわたって延びてこれを少なくとも部分的に覆う、実施態様2に記載の冷却システム。
[実施態様7]
上記壁近傍冷却チャンネルの第2のセットが、上記多重壁ブレードの負圧側面に隣接して配置される、実施態様6に記載の冷却システム。
[実施態様8]
上記開口が、上記冷却空気を上記多重壁ブレードの先端に配向して先端フィルムを提供するための少なくとも1つの先端フィルムチャンネルを含む、実施態様2に記載の冷却システム。
[実施態様9]
上記開口が、上記冷却空気を上記多重壁ブレードの正圧側面に配向して正圧側面フィルムを提供するための少なくとも1つの正圧側面フィルムチャンネルを含む、実施態様2に記載の冷却システム。
[実施態様10]
上記開口が、上記空気供給キャビティから上記開口の反対側に向けて空気の流れを配向するため上記ピンの何れかが存在しないセクションを含む、実施態様2に記載の冷却システム。
[実施態様11]
上記開口が、上記空気供給キャビティから上記開口の反対側に向けて空気の流れを配向するためのリブを含む、実施態様2に記載の冷却システム。
[実施態様12]
上記ピンの少なくとも1つが、上記ピンフィンバンク冷却回路の鋳造中に形成される対向する孔をシールするためのプラグを含む、実施態様2に記載の冷却システム。
[実施態様13]
上記冷却空気が、中央プレナム及び上記多重壁ブレードの壁近傍冷却チャンネルから上記空気供給キャビティに供給される、実施態様1に記載の冷却システム。
[実施態様14]
ピンフィンバンク冷却回路を形成する方法であって、
複数の支持ロッドを用いて第1、第2及び第3のコアを離隔して、コア組立体を提供するステップと、
上記コア組立体を用いて金属鋳造物を生成するステップと、
を含み、
上記金属鋳造物が、
第1及び第2の金属面の間に形成された開口と、
上記第1及び第2の金属面における対向する孔の複数のセットと、
を含み、
上記方法が更に、
上記第1及び第2の金属面における対向する孔の各セットにプラグを挿入するステップと、
を含む、方法。
[実施態様15]
上記各プラグが、上記ピンフィンバンク冷却回路においてピンを形成する、実施態様14に記載の方法。
[実施態様16]
上記第1、第2及び第3のコアが、多重壁ブレードのスクイーラコアセクション、先端コアセクション、及び少なくとも1つの本体コアセクションを含む、実施態様14に記載の方法。
[実施態様17]
上記開口が、上記ピンフィンバンク冷却回路の開口を含む、実施態様14に記載の方法。
[実施態様18]
上記開口に複数のピンを形成するステップを更に含む、実施態様14に記載の方法。
[実施態様19]
ターボ機械であって、
圧縮機構成要素と、燃焼器構成要素と、少なくとも1つが多重壁ブレードを有する複数のタービンバケットを含むタービン構成要素と、を含むガスタービンシステムと、
上記多重壁ブレード内に配置された冷却システムと、
を備え、
上記冷却システムが、
複数のピンを有するピンフィンバンク冷却回路と、
上記ピンフィンバンク冷却回路に冷却空気を供給する空気供給キャビティと、
を含み、
上記ピンフィンバンク冷却回路が、上記多重壁ブレードの少なくとも1つの中央プレナム及び上記多重壁ブレードの壁近傍冷却チャンネルの第1のセットから半径方向外向きに延びてこれらを少なくとも部分的に覆う、ターボ機械。
4 シャンク
6 多重壁ブレード
8 正圧側面
10 負圧側面
12 先端領域
14 前縁
16 後縁
18 壁近傍冷却チャンネル
20 中央プレナム
22 先端
24 先端フィルム
30 冷却チャンネル
40 ピンフィンバンク冷却回路
42 ピン
44 開口
46 前方空気供給キャビティ
48 先端フィルムチャンネル
50 正圧側面フィルムチャンネル
52 正圧側面フィルム
54 先端フィルムチャンネル
56 開口のセクション
60 ピンフィンバンクの一部
62 コア
64 スクイーラコアセクション
66 先端コアセクション
68 本体コアセクション
70 支持ロッド
80 金属ケーシング
82 開口
84 プラグ
86 キャビティ内リブ
88 フロア
90 スクイーラキャビティ
92 開口
100 リブ
102 ガスターボ機械
104 圧縮機
106 空気
108 圧縮空気
110 燃焼器
112 燃料
114 燃焼ガス
116 タービン
118 シャフト
120 負荷
140 ピンフィンバンク冷却回路
142 ピン
144 開口
146 後方空気供給キャビティ
156 開口のセクション
240 ピンフィンバンク冷却回路
242 ピン
244 開口
246 前方空気供給キャビティ
256 開口のセクション
Claims (8)
- 多重壁ブレード(6)用の冷却システムであって、前記多重壁ブレード(6)が、該多重壁ブレード(6)の正圧側面(8)に隣接して位置する壁近傍冷却チャンネル(18)の第1のセットと、該多重壁ブレード(6)の負圧側面(10)に隣接して位置する壁近傍冷却チャンネル(18)の第2のセットと、該多重壁ブレード(6)の壁近傍冷却チャンネル(18)の第1のセットと第2のセットとの間に配置された少なくとも1つの中央プレナム(20)とを含んでおり、当該冷却システムが、
開口(44,144,244)及び該開口(44,144,244)内に配置される複数のピン(42,142,242)を含むピンフィンバンク冷却回路(40,140,240)であって、前記複数のピン(42,142,242)の少なくとも1つが、ピンフィンバンク冷却回路(40,140,240)の鋳造時に形成される対向する開口(82)をシールするプラグ(84)を含む、ピンフィンバンク冷却回路(40,140,240)と、
前記ピンフィンバンク冷却回路(40,140,240)に冷却空気を供給する空気供給キャビティ(46,146,246)と
を備えており、
前記ピンフィンバンク冷却回路(40,140,240)の開口(44,144,244)が、前記多重壁ブレード(6)の少なくとも1つの中央プレナム(20)及び前記多重壁ブレード(6)の壁近傍冷却チャンネル(18)の第1のセットから半径方向外向きに延びてこれらを覆う、冷却システム。 - 前記ピンフィンバンク冷却回路(40,240)の開口(44,244)が、前記空気供給キャビティ(46,246)から前記多重壁ブレード(6)の後縁(16)に向かって延びる、又は前記ピンフィンバンク冷却回路(140)の開口(144)が、前記空気供給キャビティ(146)から前記多重壁ブレード(6)の前縁(14)に向かって延びる、請求項1に記載の冷却システム。
- 前記壁近傍冷却チャンネル(18)の第2のセットが、前記多重壁ブレード(6)の先端領域(12)において前記開口(44,144)に隣接して配置される、請求項1又は請求項2に記載の冷却システム。
- 前記開口(244)が、前記多重壁ブレード(6)において前記壁近傍冷却チャンネル(18)の第2のセットの上方に延びてこれを覆う、請求項1又は請求項2に記載の冷却システム。
- 前記開口(44,144,244)が、前記冷却空気(106)を前記多重壁ブレード(6)の先端(22)に配向して先端フィルム(24)を提供するための少なくとも1つの先端フィルムチャンネル(48)を含み、前記開口(44,144,244)が、前記冷却空気を前記多重壁ブレード(6)の正圧側面(8)に配向して正圧側面フィルム(52)を提供するための少なくとも1つの正圧側面フィルムチャンネル(50)を含む、請求項1乃至請求項4のいずれか1項に記載の冷却システム。
- 前記開口(44,144,244)が、前記空気供給キャビティ(46)から前記開口(44,144,244)の反対側に向けて空気の流れを配向するため前記ピン(42,142,242)の何れかが存在しないセクション(56,156,256)を含む、請求項1乃至請求項5のいずれか1項に記載の冷却システム。
- 前記開口(44,144,244)が、前記空気供給キャビティ(46)から前記開口(44,144,244)の反対側に向けて空気の流れを配向するためのリブ(100)を含む、請求項1乃至請求項6のいずれか1項に記載の冷却システム。
- ターボ機械(102)であって、
圧縮機構成要素(104)、燃焼器構成要素(110)、及び複数のタービンバケット(2)を含むタービン構成要素(116)を含むガスタービンシステムであって、複数のタービンバケット(2)の少なくとも1つが多重壁ブレード(6)である、ガスタービンシステムと、
前記多重壁ブレード(6)内に配置された請求項1乃至請求項7のいずれか1項に記載の冷却システムと
を備える、ターボ機械(102)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/977,102 | 2015-12-21 | ||
US14/977,102 US10053989B2 (en) | 2015-12-21 | 2015-12-21 | Cooling circuit for a multi-wall blade |
Publications (2)
Publication Number | Publication Date |
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JP2017115878A JP2017115878A (ja) | 2017-06-29 |
JP7158822B2 true JP7158822B2 (ja) | 2022-10-24 |
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JP2016240790A Active JP7158822B2 (ja) | 2015-12-21 | 2016-12-13 | 多重壁ブレードのための冷却回路 |
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US (1) | US10053989B2 (ja) |
EP (1) | EP3184740B1 (ja) |
JP (1) | JP7158822B2 (ja) |
CN (1) | CN106894846B (ja) |
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CN106894846A (zh) | 2017-06-27 |
CN106894846B (zh) | 2022-08-30 |
US20170175541A1 (en) | 2017-06-22 |
US10053989B2 (en) | 2018-08-21 |
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JP2017115878A (ja) | 2017-06-29 |
EP3184740A1 (en) | 2017-06-28 |
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