JP2001516420A - 蒸気タービンおよび蒸気タービン用翼 - Google Patents
蒸気タービンおよび蒸気タービン用翼Info
- Publication number
- JP2001516420A JP2001516420A JP54105698A JP54105698A JP2001516420A JP 2001516420 A JP2001516420 A JP 2001516420A JP 54105698 A JP54105698 A JP 54105698A JP 54105698 A JP54105698 A JP 54105698A JP 2001516420 A JP2001516420 A JP 2001516420A
- Authority
- JP
- Japan
- Prior art keywords
- groove
- wing
- steam turbine
- root
- blade
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000012530 fluid Substances 0.000 claims abstract description 53
- 230000003628 erosive effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 230000006378 damage Effects 0.000 claims description 2
- 239000011269 tar Substances 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 230000003746 surface roughness Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000007423 decrease Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000005018 casein Substances 0.000 description 1
- BECPQYXYKAMYBN-UHFFFAOYSA-N casein, tech. Chemical compound NCCCCC(C(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(CC(C)C)N=C(O)C(CCC(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(C(C)O)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(COP(O)(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(N)CC1=CC=CC=C1 BECPQYXYKAMYBN-UHFFFAOYSA-N 0.000 description 1
- 235000021240 caseins Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000001848 dysentery Diseases 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- F01D5/141—Shape, i.e. outer, aerodynamic form
- F01D5/145—Means for influencing boundary layers or secondary circulations
-
- 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
-
- 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
- F01D5/141—Shape, i.e. outer, aerodynamic form
- F01D5/142—Shape, i.e. outer, aerodynamic form of the blades of successive rotor or stator blade-rows
- F01D5/143—Contour of the outer or inner working fluid flow path wall, i.e. shroud or hub contour
-
- 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
- F05D2240/31—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor with roughened surfaces
-
- 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
- F05D2250/10—Two-dimensional
- F05D2250/18—Two-dimensional patterned
- F05D2250/183—Two-dimensional patterned zigzag
-
- 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
- F05D2250/29—Three-dimensional machined; miscellaneous
- F05D2250/294—Three-dimensional machined; miscellaneous grooved
-
- 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
-
- 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
- Y10S415/00—Rotary kinetic fluid motors or pumps
- Y10S415/914—Device to control boundary layer
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Control Of Turbines (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.軸線(4)に沿って向けられた通流路(2)を含み、この通流路(2)が通 路壁(3)および通流路(2)内に配置された複数の翼(5)を有する蒸気ター ビン(1)において、通路壁(3)は互いに離れた溝頂部(9)を有する少なく とも領域的に一つの溝構造部(6)を備えていることを特徴とする蒸気タービン (1)。 2.各翼(5)は翼環(55)内に配置され、その翼環(55)内で互いに隣接 する2つの翼(5)の間に通路壁(3)の一部である間隔面(31)が存在し、 この間隔面(31)に溝頂部(9)を有する溝構造部(6)が延びていることを 特徴とする請求項1記載の蒸気タービン(1)。 3.各翼(5)は間隔面(31)に接する翼板輪郭線(52)を有する翼板(5 1)を備え、間隔面(31)に延びる溝頂部(9)にはそれぞれ隣接する翼板輪 郭線(52)が位置し、これらの翼板輪郭線(52)に対し溝頂部(9)がほぼ 同じ向きに走るように向けられていることを特徴とする請求項2記載の蒸気ター ビン(1)。 4.翼(5)の第1の部分が動翼(5B)として構成されていることを特徴とす る請求項1ないし3のいずれか1項に記載の蒸気タービン(1)。 5.翼(5)の第2の部分が静翼(5A)として構成されていることを特徴とす る請求項1ないし4のいずれか1項に記載の蒸気タービン(1)。 6.数個の翼(5)がそれぞれ根元部(56)を備え、その根元部(56)によ り翼(5)はロータ(14)またはケーシング(15)の全ての翼(5)に対し て共通の周方向に走る溝(14A)内に差込まれ、翼(5)はその根元部(56 )によって係止されていることを特徴とする請求項1ないし5のいずれか1項 に記載の蒸気タービン(1)。 7.いずれか1つの翼(5)が、単一の翼(5)に対してのみ設計された、ロー タ(4)またはケーシング(15)の溝(14A)内に差込まれていることを特 徴とする請求項1ないし6のいずれか1項に記載の蒸気タービン(1)。 8.翼(5)の一部は、相互に結合されて複合体を構成し、特に溶接または翼( 5)の浸食によって各翼(5)が複合体から破壊によってしか分解できないよう に相互に結合されて複合体を構成していることを特徴とする請求項1ないし7の いずれか1項に記載の蒸気タービン(1)。 9.隣接する溝頂部(9)間の間隔(w)は0.01mm〜10mmであること を特徴とする請求項1ないし8のいずれか1項に記載の蒸気タービン(1)。 10.隣接する2つの溝頂部(9)はそれぞれ溝基底部(10)を含んで溝(8 )を形成し、各溝(8)の溝深さ(h)は、溝頂部(9)間の接続線から溝基底 部(10)の最深点まで測定して、1μm〜1mmであることを特徴とする請求 項1ないし9のいずれか1項に記載の蒸気タービン(1)。 11.各翼(5)は翼板(51)を備え、少なくとも1つの翼板(51)に少な くとも部分的に溝構造部(6)が延びていることを特徴とする請求項2ないし1 0のいずれか1項に記載の蒸気タービン(1)。 12.蒸気タービン内に取付けるための取付部(56A)を有する根元部(56 )と、翼軸線(57)に沿って連続した根元部領域(41)、中央領域(42) および頭部領域(43)を有する翼板表面(51A)を備え根元部(56)に接 する翼板(51)とを備え、翼表面(49)を有する、翼軸線(57)に沿って 設けられている蒸気タービン用翼(5)において、翼表面(49)は互いに間隔 をおいて配置された溝頂部(9)を有する溝構造部(6)を備え、この溝頂 部(9)によって作動流体(13)による翼表面(49)の所期の流体作用が達 成され、根元部領域(41)及び/又は頭部領域(43)に溝構造部が延び、中 央領域(42)は平坦であることを特徴とする蒸気タービン用翼(5)。 13.溝頂部(9)はそれぞれ翼軸線(57)に直角な平面に対し拡がり角(α )をもって延び、第1の拡がり角(α1)を有する第1の溝頂部(9a)および 第2の拡がり角(α2)を有する第2の溝頂部(9b)が設けられていることを 特徴とする請求項12に記載の翼(5)。 14.第1の溝頂部(9a)が根元部(56)の領域内または根元部領域(41 )内にあり、第1の拡がり角(α1)は0°〜20°であることを特徴とする請 求項13に記載の翼(5)。 15.第2の溝頂部(9b)は頭部領域(43)内にあり、第2の拡がり角(α 2)は20°〜60°であることを特徴とする請求項13または14に記載の翼 (5)。 16.根元部(56)は根元部表面を備え、この根元部表面を介して溝構造部( 6)が少なくとも部分的に延びていることを特徴とする請求項12ないし15の いずれか1項に記載の翼(5)。 17.頭部表面を有し翼軸線(57)に沿って根元部(56)とは反対側に位置 する頭部(54)が設けられ、頭部表面に溝構造部(6)が少なくとも部分的に 延び、特に第2の溝頂部(9b)は頭部表面内にあることを特徴とする請求項1 2ないし16のいずれか1項に記載の翼(5)。 18.隣接する溝頂部(9)の間の間隔は0.01mm〜10mmであることを 特徴とする請求項12ないし17のいずれか1項に記載の翼(5)。 19.隣接する2つの溝頂部(9)はそれぞれ溝基底部(10)を含んで溝(8 )を形成し、各溝(8)の溝深さは、溝頂部(9)間の接続線から溝基底部(1 0)の最深点まで測定して、1μm〜1mmであることを特徴とする請求項12 ないし18のいずれか1項に記載の翼(5)。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19713402.5 | 1997-04-01 | ||
DE19713402 | 1997-04-01 | ||
DE19716726.8 | 1997-04-21 | ||
DE19716726 | 1997-04-21 | ||
PCT/DE1998/000788 WO1998044240A1 (de) | 1997-04-01 | 1998-03-16 | Oberflächenstruktur für die wand eines strömungskanals oder einer turbinenschaufel |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2001516420A true JP2001516420A (ja) | 2001-09-25 |
JP4241937B2 JP4241937B2 (ja) | 2009-03-18 |
Family
ID=26035399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP54105698A Expired - Fee Related JP4241937B2 (ja) | 1997-04-01 | 1998-03-16 | 蒸気タービンおよび蒸気タービン用翼 |
Country Status (9)
Country | Link |
---|---|
US (1) | US6213711B1 (ja) |
EP (1) | EP0972128B1 (ja) |
JP (1) | JP4241937B2 (ja) |
KR (1) | KR20010005910A (ja) |
CN (1) | CN1222684C (ja) |
AT (1) | ATE228609T1 (ja) |
DE (1) | DE59806445D1 (ja) |
PL (1) | PL335864A1 (ja) |
WO (1) | WO1998044240A1 (ja) |
Cited By (5)
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JP2013139816A (ja) * | 2012-01-03 | 2013-07-18 | General Electric Co <Ge> | 流れ溝を備えるガスタービンノズル |
JP2017106450A (ja) * | 2015-12-10 | 2017-06-15 | ゼネラル・エレクトリック・カンパニイ | エンジン環境のための耐久性リブレット |
WO2020036050A1 (ja) * | 2018-08-15 | 2020-02-20 | 三菱重工サーマルシステムズ株式会社 | 二相流タービン動翼、二相流タービン、及び、冷凍サイクルシステム |
JP2020139464A (ja) * | 2019-02-28 | 2020-09-03 | 三菱日立パワーシステムズ株式会社 | 軸流タービン |
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US6561761B1 (en) | 2000-02-18 | 2003-05-13 | General Electric Company | Fluted compressor flowpath |
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- 1998-03-16 CN CNB988036762A patent/CN1222684C/zh not_active Expired - Fee Related
- 1998-03-16 EP EP98925402A patent/EP0972128B1/de not_active Expired - Lifetime
- 1998-03-16 KR KR1019997008987A patent/KR20010005910A/ko not_active Application Discontinuation
- 1998-03-16 PL PL98335864A patent/PL335864A1/xx unknown
- 1998-03-16 AT AT98925402T patent/ATE228609T1/de not_active IP Right Cessation
- 1998-03-16 DE DE59806445T patent/DE59806445D1/de not_active Expired - Lifetime
- 1998-03-16 JP JP54105698A patent/JP4241937B2/ja not_active Expired - Fee Related
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JP2009209745A (ja) * | 2008-03-03 | 2009-09-17 | Mitsubishi Heavy Ind Ltd | 軸流式ターボ機械のタービン段、及びガスタービン |
JP2013139816A (ja) * | 2012-01-03 | 2013-07-18 | General Electric Co <Ge> | 流れ溝を備えるガスタービンノズル |
JP2017106450A (ja) * | 2015-12-10 | 2017-06-15 | ゼネラル・エレクトリック・カンパニイ | エンジン環境のための耐久性リブレット |
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WO2020036050A1 (ja) * | 2018-08-15 | 2020-02-20 | 三菱重工サーマルシステムズ株式会社 | 二相流タービン動翼、二相流タービン、及び、冷凍サイクルシステム |
JP2020026785A (ja) * | 2018-08-15 | 2020-02-20 | 三菱重工サーマルシステムズ株式会社 | 二相流タービン動翼、二相流タービン、及び、冷凍サイクルシステム |
JP7168376B2 (ja) | 2018-08-15 | 2022-11-09 | 三菱重工サーマルシステムズ株式会社 | 二相流タービン動翼、二相流タービン、及び、冷凍サイクルシステム |
JP2020139464A (ja) * | 2019-02-28 | 2020-09-03 | 三菱日立パワーシステムズ株式会社 | 軸流タービン |
JP7130575B2 (ja) | 2019-02-28 | 2022-09-05 | 三菱重工業株式会社 | 軸流タービン |
Also Published As
Publication number | Publication date |
---|---|
EP0972128A1 (de) | 2000-01-19 |
JP4241937B2 (ja) | 2009-03-18 |
PL335864A1 (en) | 2000-05-22 |
CN1222684C (zh) | 2005-10-12 |
WO1998044240A1 (de) | 1998-10-08 |
CN1251153A (zh) | 2000-04-19 |
ATE228609T1 (de) | 2002-12-15 |
EP0972128B1 (de) | 2002-11-27 |
US6213711B1 (en) | 2001-04-10 |
DE59806445D1 (de) | 2003-01-09 |
KR20010005910A (ko) | 2001-01-15 |
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