KR20040095671A - 터빈 버킷 및 터빈 - Google Patents
터빈 버킷 및 터빈 Download PDFInfo
- Publication number
- KR20040095671A KR20040095671A KR1020040031650A KR20040031650A KR20040095671A KR 20040095671 A KR20040095671 A KR 20040095671A KR 1020040031650 A KR1020040031650 A KR 1020040031650A KR 20040031650 A KR20040031650 A KR 20040031650A KR 20040095671 A KR20040095671 A KR 20040095671A
- Authority
- KR
- South Korea
- Prior art keywords
- airfoil
- turbine
- bucket
- distance
- profile
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H7/00—Marking-out or setting-out work
- B25H7/04—Devices, e.g. scribers, for marking
-
- 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
- F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
- F01D5/225—Blade-to-blade connections, e.g. for damping vibrations by shrouding
-
- 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
- F05D2250/20—Three-dimensional
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S416/00—Fluid reaction surfaces, i.e. impellers
- Y10S416/02—Formulas of curves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Developing Agents For Electrophotography (AREA)
Abstract
Description
Claims (13)
- 에어포일 형상을 갖는 버킷 에어포일(23)을 구비하는 터빈 버킷(22)에 있어서,상기 에어포일은 표 Ⅰ에 개시된 X, Y 및 Z의 직각 좌표값에 따라 에어포일 높이의 10% 내지 90% 스팬 범위에서 공칭 프로파일을 가지며; 여기서 Z는 상기 터빈의 회전축을 관통하는 평면에 수직한 인치 단위의 거리이고; X 및 Y는, 매끄러운 연속적인 호로 연결되었을 때, 각각의 Z 거리에서 에어포일 프로파일 섹션을 규정하는 인치 단위의 거리이며, Z 거리에서의 상기 프로파일 섹션들은 서로 매끄럽게 연결되어 완전한 에어포일 형상을 형성하는터빈 버킷.
- 제 1 항에 있어서,터빈의 제 2 단 부품을 형성하는터빈 버킷.
- 제 1 항에 있어서,상기 에어포일 형상은 임의의 에어포일 표면 위치에 수직한 방향으로 ±0.016 인치내의 포락선에 놓이는터빈 버킷.
- 제 1 항에 있어서,상기 에어포일은 상기 에어포일의 팁에 인접한 슈라우드(38)를 포함하는터빈 버킷.
- 에어포일 형상을 갖는 버킷 에어포일(23)을 구비하는 터빈 버킷(22)에 있어서,상기 에어포일은 표 Ⅰ에 개시된 X, Y 및 Z의 직각 좌표값에 따라 에어포일 높이의 10% 내지 90% 스팬 범위에서 피복되지 않은 공칭 에어포일 프로파일을 가지며, 여기서 Z는 터빈의 회전축을 관통하는 평면에 수직한 인치 단위의 거리이고, X 및 Y는, 매끄러운 연속적인 호로 연결되었을 때, 각각의 Z 거리에서 에어포일 프로파일 섹션을 규정하는 인치 단위의 거리이며, Z 거리에서의 프로파일 섹션들은 서로 매끄럽게 연결되어 완전한 에어포일 형상을 형성하고, X 및 Y 거리는 동일 상수의 함수로서 축척가능하여 확대된 또는 축소된 버킷 에어포일을 제공하는터빈 버킷.
- 제 5 항에 있어서,터빈의 제 2 단 부품을 형성하는터빈 버킷.
- 제 5 항에 있어서,상기 에어포일 형상은 임의의 에어포일 표면 위치에 수직한 방향으로 ±0.016 인치내의 포락선에 놓이는터빈 버킷.
- 제 5 항에 있어서,상기 에어포일은 상기 에어포일의 팁에 인접한 슈라우드(38)를 포함하는터빈 버킷.
- 다수의 버킷(22)을 갖는 터빈 휠을 구비하는 터빈에 있어서,각각의 상기 버킷은 에어포일 형상을 갖는 버킷 에어포일(23)을 구비하고, 상기 에어포일은 표 Ⅰ에 개시된 X, Y 및 Z의 직각 좌표값에 따라 에어포일 높이의 10% 내지 90% 스팬 범위에서 공칭 프로파일을 가지며, 여기서 Z는 터빈축의 회전축을 관통하는 평면에 수직한 인치 단위의 거리이고, X 및 Y는, 매끄러운 연속적인 호로 연결되었을 때, 각각의 Z 거리에서 에어포일 프로파일 섹션을 규정하는 인치 단위의 거리이며, Z 거리에서의 프로파일 섹션들은 서로 매끄럽게 연결되어 완전한 에어포일 형상을 형성하는터빈.
- 제 9 항에 있어서,상기 터빈 휠은 상기 터빈의 제 2 단을 포함하는터빈.
- 제 9 항에 있어서,상기 터빈 휠은 상기 터빈의 제 2 단을 포함하고, 각각의 상기 에어포일 형상은 임의의 에어포일 표면 위치에 수직한 방향으로 ±0.016 인치내의 포락선에 놓이는터빈.
- 제 9 항에 있어서,상기 터빈 휠은 상기 터빈의 제 2 단을 포함하고, 상기 터빈 휠은 92개의 버킷을 구비하며, X는 터빈의 회전축과 평행한 거리를 나타내는터빈.
- 다수의 버킷(22)을 갖는 터빈 휠(16)을 구비하는 터빈에 있어서,각각의 상기 버킷은 에어포일 형상을 갖는 버킷 에어포일(23)을 구비하고, 상기 에어포일은 표 Ⅰ에 개시된 X, Y 및 Z의 직각 좌표값에 따라 에어포일 높이의 10% 내지 90% 스팬 범위에서 공칭 프로파일을 가지며, 여기서 Z는 터빈의 회전축을 관통하는 평면에 수직한 인치 단위의 거리이고, X 및 Y는, 매끄러운 연속적인 호로 연결되었을 때, 각각의 Z 거리에서 에어포일 프로파일 섹션을 규정하는 인치 단위의 거리이며, Z 거리에서의 프로파일 섹션들은 서로 매끄럽게 연결되어 완전한 에어포일 형상을 형성하며, X 및 Y 거리는 동일 상수의 함수로써 축척되어 버킷 에어포일을 확대 또는 축소시킬 수 있는터빈.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/430,326 | 2003-05-07 | ||
US10/430,326 US6832897B2 (en) | 2003-05-07 | 2003-05-07 | Second stage turbine bucket airfoil |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040095671A true KR20040095671A (ko) | 2004-11-15 |
KR100863846B1 KR100863846B1 (ko) | 2008-10-15 |
Family
ID=33416222
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040031650A KR100863846B1 (ko) | 2003-05-07 | 2004-05-06 | 터빈 버킷 및 터빈 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6832897B2 (ko) |
JP (1) | JP2004332738A (ko) |
KR (1) | KR100863846B1 (ko) |
CN (1) | CN100347409C (ko) |
TW (1) | TW200506176A (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101769176A (zh) * | 2009-01-02 | 2010-07-07 | 通用电气公司 | 用于第二级涡轮喷嘴的翼型件轮廓 |
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US5980209A (en) * | 1997-06-27 | 1999-11-09 | General Electric Co. | Turbine blade with enhanced cooling and profile optimization |
US6450770B1 (en) * | 2001-06-28 | 2002-09-17 | General Electric Company | Second-stage turbine bucket airfoil |
US6461109B1 (en) * | 2001-07-13 | 2002-10-08 | General Electric Company | Third-stage turbine nozzle airfoil |
-
2003
- 2003-05-07 US US10/430,326 patent/US6832897B2/en not_active Expired - Lifetime
-
2004
- 2004-05-06 JP JP2004137241A patent/JP2004332738A/ja not_active Withdrawn
- 2004-05-06 KR KR1020040031650A patent/KR100863846B1/ko active IP Right Grant
- 2004-05-06 TW TW093112813A patent/TW200506176A/zh unknown
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101769176A (zh) * | 2009-01-02 | 2010-07-07 | 通用电气公司 | 用于第二级涡轮喷嘴的翼型件轮廓 |
CN101769176B (zh) * | 2009-01-02 | 2013-05-15 | 通用电气公司 | 用于第二级涡轮喷嘴的翼型件轮廓 |
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CN100347409C (zh) | 2007-11-07 |
US20040223849A1 (en) | 2004-11-11 |
JP2004332738A (ja) | 2004-11-25 |
CN1550640A (zh) | 2004-12-01 |
US6832897B2 (en) | 2004-12-21 |
TW200506176A (en) | 2005-02-16 |
KR100863846B1 (ko) | 2008-10-15 |
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