DE2718610A1 - Verfahren zum verbessern der turbinenleistungsfaehigkeit - Google Patents
Verfahren zum verbessern der turbinenleistungsfaehigkeitInfo
- Publication number
- DE2718610A1 DE2718610A1 DE19772718610 DE2718610A DE2718610A1 DE 2718610 A1 DE2718610 A1 DE 2718610A1 DE 19772718610 DE19772718610 DE 19772718610 DE 2718610 A DE2718610 A DE 2718610A DE 2718610 A1 DE2718610 A1 DE 2718610A1
- Authority
- DE
- Germany
- Prior art keywords
- turbine
- engine
- cooling
- determined
- speed
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims description 18
- RLQJEEJISHYWON-UHFFFAOYSA-N flonicamid Chemical compound FC(F)(F)C1=CC=NC=C1C(=O)NCC#N RLQJEEJISHYWON-UHFFFAOYSA-N 0.000 title 1
- 238000001816 cooling Methods 0.000 claims description 33
- 230000008602 contraction Effects 0.000 claims description 5
- 241000358324 Viverricula indica Species 0.000 claims 1
- 239000007789 gas Substances 0.000 description 6
- 230000006978 adaptation Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000004018 waxing 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
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
- F01D11/14—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing
- F01D11/20—Actively adjusting tip-clearance
- F01D11/24—Actively adjusting tip-clearance by selectively cooling-heating stator or rotor components
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US71090076A | 1976-08-02 | 1976-08-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2718610A1 true DE2718610A1 (de) | 1978-02-09 |
Family
ID=24856000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19772718610 Withdrawn DE2718610A1 (de) | 1976-08-02 | 1977-04-27 | Verfahren zum verbessern der turbinenleistungsfaehigkeit |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5317813A (enExample) |
| BE (1) | BE854122A (enExample) |
| DE (1) | DE2718610A1 (enExample) |
| FR (1) | FR2360750A1 (enExample) |
| GB (1) | GB1581855A (enExample) |
| IT (1) | IT1076442B (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3146096A1 (de) * | 1980-12-18 | 1982-07-08 | Rolls-Royce Ltd., London | Turbine fuer ein gasturbinentriebwerk |
| DE3540943A1 (de) * | 1985-11-19 | 1987-05-21 | Mtu Muenchen Gmbh | Gasturbinenstrahltriebwerk in mehr-wellen-zweistrom-bauweise |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4230439A (en) * | 1978-07-17 | 1980-10-28 | General Electric Company | Air delivery system for regulating thermal growth |
| US4230436A (en) * | 1978-07-17 | 1980-10-28 | General Electric Company | Rotor/shroud clearance control system |
| US4338061A (en) * | 1980-06-26 | 1982-07-06 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Control means for a gas turbine engine |
| GB2104966B (en) * | 1981-06-26 | 1984-08-01 | United Technologies Corp | Closed loop control for tip clearance of a gas turbine engine |
| US4747750A (en) * | 1986-01-17 | 1988-05-31 | United Technologies Corporation | Transition duct seal |
| FR2601074B1 (fr) * | 1986-07-03 | 1990-05-25 | Snecma | Turbomachine munie d'un dispositif de commande du debit d'air de ventilation preleve en vue du controle des jeux entre rotor et stator. |
| FR2614073B1 (fr) * | 1987-04-15 | 1992-02-14 | Snecma | Dispositif d'ajustement en temps reel du jeu radial entre un rotor et un stator de turbomachine |
| US5005352A (en) * | 1989-06-23 | 1991-04-09 | United Technologies Corporation | Clearance control method for gas turbine engine |
| US5076050A (en) * | 1989-06-23 | 1991-12-31 | United Technologies Corporation | Thermal clearance control method for gas turbine engine |
| US5090193A (en) * | 1989-06-23 | 1992-02-25 | United Technologies Corporation | Active clearance control with cruise mode |
| GB2236147B (en) * | 1989-08-24 | 1993-05-12 | Rolls Royce Plc | Gas turbine engine with turbine tip clearance control device and method of operation |
| FR2652858B1 (fr) * | 1989-10-11 | 1993-05-07 | Snecma | Stator de turbomachine associe a des moyens de deformation. |
| GB9027986D0 (en) * | 1990-12-22 | 1991-02-13 | Rolls Royce Plc | Gas turbine engine clearance control |
| US6925814B2 (en) | 2003-04-30 | 2005-08-09 | Pratt & Whitney Canada Corp. | Hybrid turbine tip clearance control system |
| JP2008180149A (ja) * | 2007-01-24 | 2008-08-07 | Mitsubishi Heavy Ind Ltd | ガスタービンの翼構造及びガスタービン |
| FR2971291B1 (fr) * | 2011-02-08 | 2013-02-22 | Snecma | Unite de commande et procede de pilotage de jeu en sommet d'aubes |
| US12392289B2 (en) | 2017-05-22 | 2025-08-19 | Rtx Corporation | Active bleed flow modulation |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3825365A (en) * | 1973-02-05 | 1974-07-23 | Avco Corp | Cooled turbine rotor cylinder |
| FR2280791A1 (fr) * | 1974-07-31 | 1976-02-27 | Snecma | Perfectionnements au reglage du jeu entre les aubes et le stator d'une turbine |
| US3966354A (en) * | 1974-12-19 | 1976-06-29 | General Electric Company | Thermal actuated valve for clearance control |
| US4005946A (en) * | 1975-06-20 | 1977-02-01 | United Technologies Corporation | Method and apparatus for controlling stator thermal growth |
| GB1484288A (en) * | 1975-12-03 | 1977-09-01 | Rolls Royce | Gas turbine engines |
| US4069662A (en) * | 1975-12-05 | 1978-01-24 | United Technologies Corporation | Clearance control for gas turbine engine |
| US4019320A (en) * | 1975-12-05 | 1977-04-26 | United Technologies Corporation | External gas turbine engine cooling for clearance control |
-
1977
- 1977-04-15 GB GB1576977A patent/GB1581855A/en not_active Expired
- 1977-04-27 DE DE19772718610 patent/DE2718610A1/de not_active Withdrawn
- 1977-04-27 FR FR7712717A patent/FR2360750A1/fr active Granted
- 1977-04-27 JP JP4796177A patent/JPS5317813A/ja active Pending
- 1977-04-29 IT IT2297077A patent/IT1076442B/it active
- 1977-04-29 BE BE177147A patent/BE854122A/xx unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3146096A1 (de) * | 1980-12-18 | 1982-07-08 | Rolls-Royce Ltd., London | Turbine fuer ein gasturbinentriebwerk |
| DE3540943A1 (de) * | 1985-11-19 | 1987-05-21 | Mtu Muenchen Gmbh | Gasturbinenstrahltriebwerk in mehr-wellen-zweistrom-bauweise |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5317813A (en) | 1978-02-18 |
| FR2360750A1 (fr) | 1978-03-03 |
| GB1581855A (en) | 1980-12-31 |
| FR2360750B1 (enExample) | 1982-08-13 |
| IT1076442B (it) | 1985-04-27 |
| BE854122A (fr) | 1977-08-16 |
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| EP2407652A1 (de) | Gasturbine mit einem Sekundärluftsystem und Verfahren zum Betreiben einer solchen Gasturbine | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8130 | Withdrawal |