CA1027379A - Method for reducing jet exhaust takeoff noise from a turbofan engine - Google Patents
Method for reducing jet exhaust takeoff noise from a turbofan engineInfo
- Publication number
- CA1027379A CA1027379A CA227,341A CA227341A CA1027379A CA 1027379 A CA1027379 A CA 1027379A CA 227341 A CA227341 A CA 227341A CA 1027379 A CA1027379 A CA 1027379A
- Authority
- CA
- Canada
- Prior art keywords
- turbofan engine
- jet exhaust
- reducing jet
- takeoff noise
- takeoff
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K3/00—Plants including a gas turbine driving a compressor or a ducted fan
- F02K3/08—Plants including a gas turbine driving a compressor or a ducted fan with supplementary heating of the working fluid; Control thereof
- F02K3/105—Heating the by-pass flow
- F02K3/11—Heating the by-pass flow by means of burners or combustion chambers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US47612774A | 1974-06-03 | 1974-06-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1027379A true CA1027379A (en) | 1978-03-07 |
Family
ID=23890618
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA227,341A Expired CA1027379A (en) | 1974-06-03 | 1975-05-20 | Method for reducing jet exhaust takeoff noise from a turbofan engine |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5129613A (en) |
CA (1) | CA1027379A (en) |
FR (1) | FR2275655A1 (en) |
GB (1) | GB1499686A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2114229B (en) * | 1981-11-03 | 1984-11-21 | Rolls Royce | Gas turbine engine infra-red radiation suppressor |
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 |
-
1975
- 1975-05-20 CA CA227,341A patent/CA1027379A/en not_active Expired
- 1975-05-23 GB GB23001/75A patent/GB1499686A/en not_active Expired
- 1975-06-03 JP JP50066972A patent/JPS5129613A/ja active Pending
- 1975-06-03 FR FR7517276A patent/FR2275655A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB1499686A (en) | 1978-02-01 |
FR2275655A1 (en) | 1976-01-16 |
JPS5129613A (en) | 1976-03-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA1013153A (en) | Combustion apparatus for a gas turbine engine | |
CA1031172A (en) | Variable pitch turbofan engine and a method for operating same | |
CA980137A (en) | Abating exhaust noises for jet engines | |
CA1022350A (en) | Combustion method and apparatus for gas turbine engine | |
CA1001426A (en) | Vane actuation system for a turbojet engine compressor | |
CA1029068A (en) | Distributor for internal combustion engine containing an apparatus for suppressing noise | |
CA1029201A (en) | Nozzle and auxiliary inlet arrangement for gas turbine engine | |
CA1022976A (en) | Distributor for internal combustion engine containing apparatus for suppressing noise | |
GB1546108A (en) | Exhaust device for aircraft gas turbine engines | |
CA1036078A (en) | Apparatus for filtering engine exhaust | |
CA1025739A (en) | Engine exhaust gas recirculating control | |
CA1022021A (en) | Speed limiting governor for internal combustion engine | |
GB1541066A (en) | Aircraft gas turbine engine flight manoeuverable exhaust nozzle | |
JPS54114631A (en) | Apparatus for controlling exhaust noise from jet engine | |
IT1026291B (en) | IMPROVEMENT IN IGNITION CHANNELS FOR COMBUSTION ENGINES EQUIPPED WITH SUPPRESSOR FOR RADIO INTERFERENCE | |
JPS5254826A (en) | Cowling structure for gas turbine engine | |
CA1011199A (en) | Self-modulating air bleed apparatus and method for internal combustion engine | |
GB1541706A (en) | Exhaust nozzles for gas turbine engines | |
CA1023567A (en) | Combustion chamber for a gas turbine engine | |
CA1027379A (en) | Method for reducing jet exhaust takeoff noise from a turbofan engine | |
GB1550633A (en) | Thrust-vectoring gas turbine engine exhaust nozzles | |
JPS53309A (en) | Method of controlling gas turbine engine fuel for aircraft | |
CA986319A (en) | Gas turbine engine for subsonic flight | |
SU688706A1 (en) | Variable-pitch fan for by-pass turbofan engine | |
CA990514A (en) | Abating exhaust noises for jet engines |