JP2006009785A - シェブロンフィルム冷却式壁 - Google Patents
シェブロンフィルム冷却式壁 Download PDFInfo
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- JP2006009785A JP2006009785A JP2005123053A JP2005123053A JP2006009785A JP 2006009785 A JP2006009785 A JP 2006009785A JP 2005123053 A JP2005123053 A JP 2005123053A JP 2005123053 A JP2005123053 A JP 2005123053A JP 2006009785 A JP2006009785 A JP 2006009785A
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- wall
- chevron
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- bore
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- 238000001816 cooling Methods 0.000 title claims abstract description 73
- 239000002131 composite material Substances 0.000 claims abstract description 15
- 238000009792 diffusion process Methods 0.000 claims description 14
- 230000007423 decrease Effects 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 5
- 239000003570 air Substances 0.000 description 32
- 239000000567 combustion gas Substances 0.000 description 14
- 239000007789 gas Substances 0.000 description 12
- 238000009760 electrical discharge machining Methods 0.000 description 8
- 238000003754 machining Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000000284 extract Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000012080 ambient air Substances 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000601 superalloy Inorganic materials 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
-
- 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
- B23K26/384—Removing material by boring or cutting by boring of specially shaped holes
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
【解決手段】 ガスタービンエンジン内の壁(32)は、それを貫通して延びる複合シェブロンフィルム冷却孔(38)の列を有する内面及び外面(34、36)を含む。シェブロン孔(38)は、壁内面(34)における入口(40)と壁外面(36)におけるシェブロン出口(42)との間で縦方向及び横方向の両方向に発散する。そして、シェブロン孔(38)の各々が、内面における入口で始まりかつそれらの間に共通のリッジ(50)を有する一対のウイングトラフ(48)で終わる円筒形入口ボア(44)を含む。
【選択図】 図2
Description
30 高温燃焼ガス
34 壁内面
36 壁外面
38 シェブロン孔
40 入口
42 シェブロン出口
44 入口ボア
48 トラフ
50 リッジ
A 入口ボアの傾斜角
B リッジの傾斜角
C トラフの底面の傾斜角
Claims (10)
- 複合シェブロンフィルム冷却孔(38)の列を有する対向する内面及び外面(34、36)を含み、
前記複合シェブロンフィルム冷却孔(38)が、前記内面及び外面を貫通して縦方向に延びかつ前記内面(34)における入口(40)と前記外面(36)におけるシェブロン出口(42)との間で縦方向及び横方向の両方向に発散し、
前記シェブロン孔(38)の各々が、前記内面における入口で始まりかつそれらの間に共通のリッジ(50)を有する一対のウイングトラフ(48)で終わる円筒形入口ボア(44)を含む、
ガスタービンエンジン壁(32)。 - 前記入口ボア(44)が、前記内面及び外面(34、36)間で傾斜し、
前記ウイングトラフ(48)が、前記入口ボア(44)と前記外面(36)との間で縦方向にかつ前記リッジ(50)に沿って横方向に発散し、
前記シェブロン出口(42)の横方向幅が、前記リッジの深さが減少するにつれて該リッジに沿って縦方向に増大して、前記シェブロン孔を通って流れる冷却空気の最少の流れ剥離で拡散を最大にする、
請求項1記載の壁。 - 前記ボア(44)が、前記外面(36)の下方で終わり、
前記トラフ(48)の深さが、前記リッジ(50)に沿って前記ボア(44)から前記シェブロン出口(42)まで減少して、前記壁外面(36)に連続する、
請求項2記載の壁。 - 前記トラフ(48)が、前記ボア(44)と前記壁外面(36)との間で前記リッジ(50)から発散する、請求項3記載の壁。
- 前記リッジ(50)が、前記ウイングトラフ(48)間で横方向に三角形であり、かつ前記入口ボア(44)と前記外面(36)との間で縦方向に直線状である、請求項4記載の壁。
- 前記リッジ(56)が、前記ウイングトラフ(48)間で横方向に平坦である、請求項4記載の壁。
- 前記平坦なリッジ(56)が、前記入口ボア(44)と前記外面(36)との間で三角形である、請求項6記載の壁。
- 前記リッジ(62)が、前記ウイングトラフ(48)間で横方向に凸状である、請求項4記載の壁。
- 前記凸状リッジ(62)が、前記入口ボア(44)と前記壁外面(36)との間で横方向に発散している、請求項8記載の壁。
- 前記リッジ(62)が、横方向に円弧状の後縁に沿って前記外面(36)と同一面に連続する、請求項9記載の壁。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/874,900 US7328580B2 (en) | 2004-06-23 | 2004-06-23 | Chevron film cooled wall |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006009785A true JP2006009785A (ja) | 2006-01-12 |
JP4676807B2 JP4676807B2 (ja) | 2011-04-27 |
Family
ID=34940913
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005123053A Expired - Fee Related JP4676807B2 (ja) | 2004-06-23 | 2005-04-21 | シェブロンフィルム冷却式壁及びその加工方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7328580B2 (ja) |
EP (1) | EP1609949B1 (ja) |
JP (1) | JP4676807B2 (ja) |
CA (1) | CA2504165C (ja) |
DE (1) | DE602005009891D1 (ja) |
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US9945233B2 (en) | 2013-05-22 | 2018-04-17 | Kawasaki Jukogyo Kabushiki Kaisha | Double-jet film cooling structure and method for manufacturing same |
JP2017198199A (ja) * | 2016-04-14 | 2017-11-02 | ゼネラル・エレクトリック・カンパニイ | フィルム孔を有するタービンエンジン用の構成部品 |
KR101952544B1 (ko) * | 2018-09-07 | 2019-02-26 | 국방과학연구소 | 전극봉을 이용한 확산형 구멍 형성 방법 |
KR20240002657A (ko) * | 2022-06-29 | 2024-01-05 | 한국항공대학교산학협력단 | 버터플라이 모양의 막냉각 홀 및 이를 형성하기 위한 전극 세트 |
KR102793027B1 (ko) * | 2022-06-29 | 2025-04-11 | 한국항공대학교산학협력단 | 버터플라이 모양의 막냉각 홀 및 이를 형성하기 위한 전극 세트 |
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US7328580B2 (en) | 2008-02-12 |
US20050286998A1 (en) | 2005-12-29 |
CA2504165A1 (en) | 2005-12-23 |
EP1609949A1 (en) | 2005-12-28 |
CA2504165C (en) | 2012-03-27 |
EP1609949B1 (en) | 2008-09-24 |
JP4676807B2 (ja) | 2011-04-27 |
DE602005009891D1 (de) | 2008-11-06 |
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