JP5642417B2 - フィルム冷却を高めるためのシステム及び方法 - Google Patents
フィルム冷却を高めるためのシステム及び方法 Download PDFInfo
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- JP5642417B2 JP5642417B2 JP2010104694A JP2010104694A JP5642417B2 JP 5642417 B2 JP5642417 B2 JP 5642417B2 JP 2010104694 A JP2010104694 A JP 2010104694A JP 2010104694 A JP2010104694 A JP 2010104694A JP 5642417 B2 JP5642417 B2 JP 5642417B2
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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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/08—Cooling; Heating; Heat-insulation
- F01D25/12—Cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/062—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam
- B23K26/0622—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam by shaping pulses
- B23K26/0624—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam by shaping pulses using ultrashort pulses, i.e. pulses of 1ns or less
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
- B23K26/382—Removing material by boring or cutting by boring
- B23K26/389—Removing material by boring or cutting by boring of fluid openings, e.g. nozzles, jets
-
- 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/28—Supporting or mounting arrangements, e.g. for turbine casing
- F01D25/285—Temporary support structures, e.g. for testing, assembling, installing, repairing; Assembly methods using such structures
-
- 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
- F05D2230/00—Manufacture
- F05D2230/10—Manufacture by removing material
- F05D2230/13—Manufacture by removing material using lasers
-
- 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
-
- 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)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- Laser Beam Processing (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Chemical Vapour Deposition (AREA)
Description
12 中心軸線
14 ファン
16 多段軸流圧縮機
18 環状燃焼器
20 タービンノズル
22 第1段タービン
24 低圧タービン(LPT)
26 排気ライナ
28 周囲空気
30 高温燃焼ガス
32 薄肉壁
34 内壁表面
36 外壁表面
38 孔
43 フィルム冷却孔
44 トレンチ
46 冷却媒体空気
48 基体
50 高温表面
52 より低温表面
54 TBC
56 燃焼ガス
60 デルタ形特徴形状
62 基部
64 個々の頂部
80 少なくとも1つのトレンチを形成するためのシステム
82 レーザ発生源
84 レーザビーム
88 レーザビーム発射システム
89 1つ又はそれ以上のビーム
90 表面
92 サンプル
94 モーションシステム
96 監視サブシステム
98 制御サブシステム
102 所望の特徴形状
104 フィルム冷却孔
130 フィルム冷却を高める少なくとも1つのトレンチをサンプル内に形成する方法
132 レーザビームをサンプルに適用するステップ
134 サンプルの位置をパルス幅と同期させることにより該サンプル内のTBC、ボンディングコート及び基体金属の少なくとも1つを選択的に除去して少なくとも1つのトレンチを形成するステップ
Claims (10)
- 0.005〜0.070インチ(0.13〜1.8mm)の直径を有する1以上のフィルム冷却孔(43,104)を含むサンプル(92)内にフィルム冷却を高める少なくとも1つのトレンチ(44)を形成するためのシステム(80)であって、当該システム(80)が、
少なくとも1つのパルスレーザビーム(84)を出力する少なくとも1つのレーザ発生源(82)と、
前記レーザ発生源(82)に結合した制御サブシステム(98)と
を含んでいて、前記レーザ発生源(82)が、
50μs未満のパルス幅と、
0.1J未満のパルス当たりエネルギーと、
1000Hzよりも大きい繰返し速度と
を含んでおり、前記制御サブシステム(98)が、前記サンプル(92)の位置を前記レーザ発生源(82)のパルス幅及びエネルギーレベルと同期させて、該サンプル内の断熱皮膜、ボンディングコート及び基体金属の少なくとも1つを選択的に除去して前記少なくとも1つのトレンチ(44)を前記1以上のフィルム冷却孔(43,104)の平均直径と実質的に同じ深さまで形成するように構成されている、システム(80)。 - 前記レーザ発生源(82)及び制御サブシステム(98)に結合したレーザビーム発射システム(88)及びモーションシステム(94)を含んでいて、前記モーションシステム(94)が、前記レーザビーム(84)のファイアリングと前記サンプル(92)との間の相対的位置を同期させるように構成される、請求項1記載のシステム(80)。
- 前記制御サブシステム(98)に結合した監視サブシステム(96)を含んでいて、前記監視サブシステム(96)が、前記レーザビーム(84)の位置を検出しかつレーザ加工の進行を監視するように構成される、請求項1又は請求項2記載のシステム(80)。
- 前記レーザビーム(84)の波長が200nm〜1100nmの範囲を含む、請求項1乃至請求項3のいずれか1項記載のシステム(80)。
- 前記断熱皮膜がジルコニアベースの材料である、請求項1乃至請求項4のいずれか1項記載のシステム(80)。
- 前記サンプル(92)が、タービンの翼形部又は端部壁である、請求項1乃至請求項5のいずれか1項記載のシステム(80)。
- 0.005〜0.070インチ(0.13〜1.8mm)の直径を有する1以上のフィルム冷却孔(43,104)を含むサンプル(92)内にフィルム冷却を高める少なくとも1つのトレンチ(44)を形成する方法(130)であって、
50μs未満のパルス幅と、
0.1J未満のパルス当たりエネルギーと、
1000Hzよりも大きい繰返し速度と
を有する少なくとも1つのレーザビームを前記サンプルに照射するステップ(132)と、
前記サンプル(92)の位置を前記パルス幅と同期させることにより該サンプル内のTBC、ボンディングコート及び基体金属の少なくとも1つを選択的に除去して前記少なくとも1つのトレンチ(44)を前記1以上のフィルム冷却孔(43,104)の平均直径と実質的に同じ深さまで形成するステップ(134)と
を含む方法(130)。 - 前記照射するステップ(132)が、制御サブシステムにより前記サンプル上に前記レーザビームを位置合せするステップを含む、請求項7記載の方法(130)。
- 前記選択的に除去するステップ(134)が、前記レーザビームの発射と前記サンプルとの間の相対的位置を同期させるステップを含む、請求項7又は請求項8記載の方法(130)。
- 前記選択的に除去するステップ(134)が、前記レーザビームの位置を検出するステップと監視サブシステムによりレーザ加工の進行を監視するステップとを含む、請求項7乃至請求項9のいずれか1項記載の方法(130)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/435,547 | 2009-05-05 | ||
US12/435,547 US8319146B2 (en) | 2009-05-05 | 2009-05-05 | Method and apparatus for laser cutting a trench |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010260104A JP2010260104A (ja) | 2010-11-18 |
JP5642417B2 true JP5642417B2 (ja) | 2014-12-17 |
Family
ID=42224021
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010104694A Active JP5642417B2 (ja) | 2009-05-05 | 2010-04-30 | フィルム冷却を高めるためのシステム及び方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8319146B2 (ja) |
EP (1) | EP2248997B1 (ja) |
JP (1) | JP5642417B2 (ja) |
CN (1) | CN101879661B (ja) |
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EP2248997A2 (en) | 2010-11-10 |
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