CA1314486C - Methode d'amelioration de la reserve de pompage d'un compresseur a flux axial - Google Patents
Methode d'amelioration de la reserve de pompage d'un compresseur a flux axialInfo
- Publication number
- CA1314486C CA1314486C CA000483273A CA483273A CA1314486C CA 1314486 C CA1314486 C CA 1314486C CA 000483273 A CA000483273 A CA 000483273A CA 483273 A CA483273 A CA 483273A CA 1314486 C CA1314486 C CA 1314486C
- Authority
- CA
- Canada
- Prior art keywords
- slot
- axial flow
- flow compressor
- blades
- compressor
- 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.)
- Expired - Lifetime
Links
- 230000006872 improvement Effects 0.000 title abstract description 24
- 230000004323 axial length Effects 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 6
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 230000006735 deficit Effects 0.000 abstract description 13
- 230000008901 benefit Effects 0.000 abstract description 6
- 230000009467 reduction Effects 0.000 abstract description 6
- 238000011282 treatment Methods 0.000 description 7
- 238000006722 reduction reaction Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- IJJWOSAXNHWBPR-HUBLWGQQSA-N 5-[(3as,4s,6ar)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]-n-(6-hydrazinyl-6-oxohexyl)pentanamide Chemical compound N1C(=O)N[C@@H]2[C@H](CCCCC(=O)NCCCCCC(=O)NN)SC[C@@H]21 IJJWOSAXNHWBPR-HUBLWGQQSA-N 0.000 description 1
- 206010011224 Cough Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
- F04D29/526—Details of the casing section radially opposing blade tips
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
- F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
- F04D29/685—Inducing localised fluid recirculation in the stator-rotor interface
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8415605 | 1984-06-19 | ||
GB8415605 | 1984-06-19 | ||
GB8511464A GB2245312B (en) | 1984-06-19 | 1985-05-07 | Axial flow compressor surge margin improvement |
GB8511464 | 1985-05-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1314486C true CA1314486C (fr) | 1993-03-16 |
Family
ID=26287887
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000483273A Expired - Lifetime CA1314486C (fr) | 1984-06-19 | 1985-06-06 | Methode d'amelioration de la reserve de pompage d'un compresseur a flux axial |
Country Status (4)
Country | Link |
---|---|
CA (1) | CA1314486C (fr) |
DE (1) | DE3521798C2 (fr) |
FR (1) | FR2669687B1 (fr) |
IT (1) | IT1235237B (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114576205A (zh) * | 2022-03-14 | 2022-06-03 | 中国航发湖南动力机械研究所 | 一种带模式转换的高效自循环处理机匣 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6231301B1 (en) * | 1998-12-10 | 2001-05-15 | United Technologies Corporation | Casing treatment for a fluid compressor |
DE10135003C1 (de) * | 2001-07-18 | 2002-10-02 | Mtu Aero Engines Gmbh | Verdichtergehäusestruktur |
DE10205363A1 (de) * | 2002-02-08 | 2003-08-21 | Rolls Royce Deutschland | Gasturbine |
FR2882112B1 (fr) | 2005-02-16 | 2007-05-11 | Snecma Moteurs Sa | Prelevement en tete des roues mobiles de compresseur haute pression de turboreacteur |
DE102007037924A1 (de) * | 2007-08-10 | 2009-02-12 | Rolls-Royce Deutschland Ltd & Co Kg | Strömungsarbeitsmaschine mit Ringkanalwandausnehmung |
DE102008006739A1 (de) * | 2008-01-30 | 2009-08-13 | Daimler Ag | Verdichtersystem für eine Brennstoffzellenanordnung, Brennstoffzellenanordnung und Verfahren zur Kontrolle |
DE102008011644A1 (de) * | 2008-02-28 | 2009-09-03 | Rolls-Royce Deutschland Ltd & Co Kg | Gehäusestrukturierung für Axialverdichter im Nabenbereich |
DE102011006275A1 (de) | 2011-03-28 | 2012-10-04 | Rolls-Royce Deutschland Ltd & Co Kg | Stator einer Axialverdichterstufe einer Turbomaschine |
DE102011006273A1 (de) | 2011-03-28 | 2012-10-04 | Rolls-Royce Deutschland Ltd & Co Kg | Rotor einer Axialverdichterstufe einer Turbomaschine |
DE102011007767A1 (de) * | 2011-04-20 | 2012-10-25 | Rolls-Royce Deutschland Ltd & Co Kg | Strömungsmaschine |
FR2989742B1 (fr) * | 2012-04-19 | 2014-05-09 | Snecma | Carter de compresseur a cavites a forme amont optimisee |
FR3109959B1 (fr) * | 2020-05-06 | 2022-04-22 | Safran Helicopter Engines | Compresseur de turbomachine comportant une paroi fixe pourvue d’un traitement de forme |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3893787A (en) * | 1974-03-14 | 1975-07-08 | United Aircraft Corp | Centrifugal compressor boundary layer control |
GB1518293A (en) * | 1975-09-25 | 1978-07-19 | Rolls Royce | Axial flow compressors particularly for gas turbine engines |
GB2017228B (en) * | 1977-07-14 | 1982-05-06 | Pratt & Witney Aircraft Of Can | Shroud for a turbine rotor |
JPS6318799Y2 (fr) * | 1980-12-02 | 1988-05-26 | ||
US4479755A (en) * | 1982-04-22 | 1984-10-30 | A/S Kongsberg Vapenfabrikk | Compressor boundary layer bleeding system |
-
1985
- 1985-06-06 CA CA000483273A patent/CA1314486C/fr not_active Expired - Lifetime
- 1985-06-13 IT IT8521142A patent/IT1235237B/it active
- 1985-06-18 FR FR858509205A patent/FR2669687B1/fr not_active Expired - Lifetime
- 1985-06-19 DE DE3521798A patent/DE3521798C2/de not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114576205A (zh) * | 2022-03-14 | 2022-06-03 | 中国航发湖南动力机械研究所 | 一种带模式转换的高效自循环处理机匣 |
CN114576205B (zh) * | 2022-03-14 | 2023-11-28 | 中国航发湖南动力机械研究所 | 一种带模式转换的高效自循环处理机匣 |
Also Published As
Publication number | Publication date |
---|---|
FR2669687A1 (fr) | 1992-05-29 |
DE3521798C2 (de) | 1993-12-09 |
DE3521798A1 (de) | 1992-08-27 |
FR2669687B1 (fr) | 1994-07-01 |
IT1235237B (it) | 1992-06-26 |
IT8521142A0 (it) | 1985-06-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |