JP6018368B2 - 先端流路輪郭 - Google Patents
先端流路輪郭 Download PDFInfo
- Publication number
- JP6018368B2 JP6018368B2 JP2011173486A JP2011173486A JP6018368B2 JP 6018368 B2 JP6018368 B2 JP 6018368B2 JP 2011173486 A JP2011173486 A JP 2011173486A JP 2011173486 A JP2011173486 A JP 2011173486A JP 6018368 B2 JP6018368 B2 JP 6018368B2
- Authority
- JP
- Japan
- Prior art keywords
- turbine
- casing
- trailing edge
- diffuser
- tip
- 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.)
- Active
Links
- 239000012530 fluid Substances 0.000 claims description 29
- 238000011084 recovery Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 description 4
- 230000003068 static effect Effects 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
- F02C6/18—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use using the waste heat of gas-turbine plants outside the plants themselves, e.g. gas-turbine power heat plants
-
- 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
- F01D25/30—Exhaust heads, chambers, or the like
-
- 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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
- F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
- F01D9/041—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector using blades
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
20 タービン
21 環状プラットフォーム
22 環状ケーシング
23 流体通路
24 上流セクション
25 タービン出口
26 中間段
27 最終段
28 中間段タービンバケット
29 最終段タービンバケット
30 ハブ
31 翼形部セクション
32 先端
33 後縁
40 ディフューザ
41 中心表面
42 下流セクション
43 ディフューザ流路
45 HRSG
Claims (7)
- ケーシング(22)と、前記ケーシング(22)に近接した先端(32)及びタービンを通る流体流れの方向に対して後縁(33)を有するタービンバケット(28,29)とを備えるタービン(20)、
中心表面(41)と前記ケーシング(22)の下流セクション(42)の間に形成されたディフューザ(40)であって前記タービン(20)に流体結合しかつ前記後縁(33)の下流に配置されたディフューザ(40)、及び
前記先端(32)に沿って測定して前記後縁(33)から0.5タービンバケット翼弦長さの範囲内で前記先端(32)の傾斜に対して半径方向内側に少なくとも6°傾斜した前記ケーシングの下流セクション(42)の傾斜
を備える装置(10)であって、前記中心表面(41)及び前記ケーシングの下流セクション(42)が、前記後縁(33)から少なくともほぼ平行であるか又は発散している、装置(10)。 - 前記タービンバケット(28,29)が最終段タービンバケット(29)を含む、請求項1記載の装置(10)。
- 前記先端(32)の傾斜が、前記先端(32)の半径方向遠位端に沿って軸方向に形成される、請求項1又は請求項2記載の装置(10)。
- 前記ケーシングの下流セクション(42)の傾斜と前記先端(32)の傾斜との差が10°以上である、請求項1乃至請求項3のいずれか1項記載の装置(10)。
- 前記中心表面(41)及び前記ケーシングの下流セクション(42)が前記後縁(33)から発散している、請求項1乃至請求項4のいずれか1項記載の装置(10)。
- 前記ディフューザ(40)の下流に配置されて前記ディフューザ(40)からの流体が流れ込む排熱回収ボイラ(HRSG)(45)を備える、請求項1記載の装置(10)。
- ケーシング(22)と、前記ケーシング(22)に近接した先端(32)及びタービンを通る流体流れの方向に対して後縁(33)を有するタービンバケット(28,29)とを備えるタービン(20)、
前記タービン(20)に流体結合しかつ前記後縁(33)の下流に配置されたディフューザ(40)であって、前記後縁(33)から前記ケーシングの下流セクション(42)に、断面積が前記後縁(33)から少なくとも縮小しないディフューザ流路を形成するディフューザ(40)、及び
前記先端(32)に沿って測定して前記後縁(33)から前記タービンバケット(28,29)の0.5タービンバケット翼弦長さの範囲内で前記先端(32)の傾斜に対して半径方向内側に少なくとも6°傾斜した前記ケーシングの下流セクション(42)の傾斜
を備える装置(10)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/859,970 US8628297B2 (en) | 2010-08-20 | 2010-08-20 | Tip flowpath contour |
US12/859,970 | 2010-08-20 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2012041925A JP2012041925A (ja) | 2012-03-01 |
JP2012041925A5 JP2012041925A5 (ja) | 2014-09-25 |
JP6018368B2 true JP6018368B2 (ja) | 2016-11-02 |
Family
ID=45592968
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011173486A Active JP6018368B2 (ja) | 2010-08-20 | 2011-08-09 | 先端流路輪郭 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8628297B2 (ja) |
JP (1) | JP6018368B2 (ja) |
CN (1) | CN102373972B (ja) |
CH (1) | CH703654B1 (ja) |
DE (1) | DE102011052672A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE112022000513T5 (de) | 2021-03-24 | 2024-01-25 | Mitsubishi Heavy Industries, Ltd. | Turbine und gasturbine |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8628297B2 (en) * | 2010-08-20 | 2014-01-14 | General Electric Company | Tip flowpath contour |
JP6033154B2 (ja) * | 2013-03-29 | 2016-11-30 | 三菱重工業株式会社 | 軸流回転機械、及びディフューザ |
US9598981B2 (en) * | 2013-11-22 | 2017-03-21 | Siemens Energy, Inc. | Industrial gas turbine exhaust system diffuser inlet lip |
CN112576321A (zh) * | 2014-07-03 | 2021-03-30 | Abb瑞士股份有限公司 | 废气涡轮增压器的涡轮的流出区域 |
US10329945B2 (en) * | 2015-04-21 | 2019-06-25 | Siemens Energy, Inc. | High performance robust gas turbine exhaust with variable (adaptive) exhaust diffuser geometry |
CN109284533B (zh) * | 2018-08-09 | 2023-05-23 | 中国航发沈阳发动机研究所 | 航改燃气轮机流道计算方法 |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2806645A (en) | 1951-03-02 | 1957-09-17 | Edward A Stalker | Radial diffusion compressors |
CH484358A (de) | 1968-02-15 | 1970-01-15 | Escher Wyss Ag | Abströmgehäuse einer axialen Turbomaschine |
US3746469A (en) * | 1971-03-03 | 1973-07-17 | Gen Motors Corp | Turbomachine rotor |
US5203674A (en) | 1982-11-23 | 1993-04-20 | Nuovo Pignone S.P.A. | Compact diffuser, particularly suitable for high-power gas turbines |
CH672004A5 (ja) * | 1986-09-26 | 1989-10-13 | Bbc Brown Boveri & Cie | |
DE3736836A1 (de) | 1987-10-30 | 1989-05-11 | Bbc Brown Boveri & Cie | Axial durchstroemte gasturbine |
EP0581978B1 (de) * | 1992-08-03 | 1996-01-03 | Asea Brown Boveri Ag | Mehrzoniger Diffusor für Turbomaschine |
DE4422700A1 (de) * | 1994-06-29 | 1996-01-04 | Abb Management Ag | Diffusor für Turbomaschine |
JP3070401B2 (ja) * | 1994-08-23 | 2000-07-31 | 株式会社日立製作所 | ガスタービン排気構造 |
US5632142A (en) * | 1995-02-15 | 1997-05-27 | Surette; Robert G. | Stationary gas turbine power system and related method |
JPH08260905A (ja) * | 1995-03-28 | 1996-10-08 | Mitsubishi Heavy Ind Ltd | 軸流タービン用排気ディフューザ |
GB9823840D0 (en) * | 1998-10-30 | 1998-12-23 | Rolls Royce Plc | Bladed ducting for turbomachinery |
DE19905994A1 (de) * | 1999-02-15 | 2000-08-24 | Peter Kraus | Vorrichtung und Verfahren zur Aufhebung von Stoß-Grenzschicht-Oszillationen bei kreisringförmigen Diffusoren (axial-radial) an Dampfturbinen |
US6488470B1 (en) | 1999-08-03 | 2002-12-03 | Jerzy A. Owczarek | Annular flow diffusers for gas turbines |
JP3912989B2 (ja) | 2001-01-25 | 2007-05-09 | 三菱重工業株式会社 | ガスタービン |
JP3564420B2 (ja) * | 2001-04-27 | 2004-09-08 | 三菱重工業株式会社 | ガスタービン |
GB2384276A (en) * | 2002-01-18 | 2003-07-23 | Alstom | Gas turbine low pressure stage |
US20040109756A1 (en) | 2002-12-09 | 2004-06-10 | Mitsubishi Heavy Industries Ltd. | Gas turbine |
US7272930B2 (en) * | 2003-09-25 | 2007-09-25 | Siemens Power Generation | Exhaust diffuser assembly with tunable velocity profile |
GB2415749B (en) * | 2004-07-02 | 2009-10-07 | Demag Delaval Ind Turbomachine | A gas turbine engine including an exhaust duct comprising a diffuser for diffusing the exhaust gas produced by the engine |
US7624581B2 (en) * | 2005-12-21 | 2009-12-01 | General Electric Company | Compact booster bleed turbofan |
JP2006291975A (ja) * | 2006-08-03 | 2006-10-26 | Mitsubishi Heavy Ind Ltd | ガスタービン |
US8628297B2 (en) * | 2010-08-20 | 2014-01-14 | General Electric Company | Tip flowpath contour |
-
2010
- 2010-08-20 US US12/859,970 patent/US8628297B2/en active Active
-
2011
- 2011-08-09 JP JP2011173486A patent/JP6018368B2/ja active Active
- 2011-08-12 DE DE102011052672A patent/DE102011052672A1/de active Pending
- 2011-08-16 CH CH01343/11A patent/CH703654B1/de not_active IP Right Cessation
- 2011-08-19 CN CN201110280191.8A patent/CN102373972B/zh active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE112022000513T5 (de) | 2021-03-24 | 2024-01-25 | Mitsubishi Heavy Industries, Ltd. | Turbine und gasturbine |
Also Published As
Publication number | Publication date |
---|---|
CH703654B1 (de) | 2015-06-15 |
US20120042654A1 (en) | 2012-02-23 |
JP2012041925A (ja) | 2012-03-01 |
DE102011052672A1 (de) | 2012-03-29 |
US8628297B2 (en) | 2014-01-14 |
CN102373972B (zh) | 2015-11-25 |
CH703654A2 (de) | 2012-02-29 |
CN102373972A (zh) | 2012-03-14 |
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