JP5492199B2 - 双対タブ排気ノズル - Google Patents
双対タブ排気ノズル Download PDFInfo
- Publication number
- JP5492199B2 JP5492199B2 JP2011516357A JP2011516357A JP5492199B2 JP 5492199 B2 JP5492199 B2 JP 5492199B2 JP 2011516357 A JP2011516357 A JP 2011516357A JP 2011516357 A JP2011516357 A JP 2011516357A JP 5492199 B2 JP5492199 B2 JP 5492199B2
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- dual
- tabs
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- nozzle
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- Expired - Fee Related
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- 230000009977 dual effect Effects 0.000 title claims description 102
- 230000004323 axial length Effects 0.000 claims description 8
- 230000001154 acute effect Effects 0.000 claims description 4
- 210000003491 skin Anatomy 0.000 claims 9
- 210000002615 epidermis Anatomy 0.000 claims 2
- 230000035515 penetration Effects 0.000 description 17
- 239000003570 air Substances 0.000 description 8
- 239000000567 combustion gas Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 244000309464 bull Species 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Images
Classifications
-
- 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
- F02K1/38—Introducing air inside the jet
- F02K1/386—Introducing air inside the jet mixing devices in the jet pipe, e.g. for mixing primary and secondary flow
-
- 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
- F02K1/38—Introducing air inside the jet
-
- 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
- F02K1/46—Nozzles having means for adding air to the jet or for augmenting the mixing region between the jet and the ambient air, e.g. for silencing
- F02K1/48—Corrugated nozzles
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Jet Pumps And Other Pumps (AREA)
- Exhaust Silencers (AREA)
- Branch Pipes, Bends, And The Like (AREA)
- Pipe Accessories (AREA)
Description
Claims (30)
- 内側表皮(50)および外側表皮(52)と、
底面から頂点まで且つ前方の端部と後方の端部との間で径方向及び周方向の複合した後部傾斜を有し、タブ間に周方向に拡がる共通の中心スロット(62)を有し、内側表皮(50)および外側表皮(52)のうちの一方の表皮の一部により形成され、他方の表皮から径方向に延びる前記双対タブ(58、60)の列と、
を含む、環状出口(46、56)で終端する円錐形ダクト(38、48)を備える、
排気ノズル(24、28)。 - 前記双対タブ(58、60)は周方向に離隔して配置される、請求項1に記載のノズル。
- 前記ダクト(38、48)は、前記出口(46、56)を囲む環状の後縁部(44、54)で終端し、前記双対タブ(58、60)は、径方向と周方向の両方で前記後縁部(44、54)の方向に傾斜する、請求項2に記載のノズル。
- 各双対タブ(58、60)は、前記出口(46、56)に沿って周方向に傾斜した底面(64)を含み、前記底面(64)から径方向後方に前記タブ(58、60)の前記頂点(66)へと傾斜する、請求項3に記載のノズル。
- 前記双対タブ(58、60)は前記共通のスロット(62)に対して対称である、請求項4に記載のノズル。
- 前記双対タブ(60)は、前記共通のスロット(62)から前記後縁部(54)に向かって周方向に散開する、請求項4に記載のノズル。
- 前記双対タブ(58)は、前記後縁部(44)で前記共通のスロット(62)に向かって周方向に収束する、請求項4に記載のノズル。
- 前記双対タブ(58、60)は前記出口(46、56)内に径方向に延びる、請求項4に記載のノズル。
- 前記双対タブ(58、60)は前記出口(46、56)の外側に径方向に延びる、請求項4に記載のノズル。
- 前記双対タブ(58、60)及びその共通のスロット(62)は三角形である、請求項4に記載のノズル。
- 排気流(34、36)を排出するために出口(46、56)を囲む後縁部(44、54)で終端する径方向内側及び外側の表皮(40、42、50、52)を有する円錐形の排気ダクト(38、48)と、
列間に共通のスロット(62)を有する隣接する双対タブ(58、60)の列であって、
各タブが、前記後縁部(44、54)の周囲の前記出口(46、56)で、前記ダクトから鋭角の径方向傾斜角で、径方向に傾斜し、
前記スロット(62)は、前記ダクトから径方向に拡がる、
内側表皮(50)および外側表皮(52)のうちの一方の表皮の一部により形成され、他方の表皮から径方向に延びる、
双対タブ(58、60)の列と、
を備え、
前記双対タブ(58、60)は対で配置され、各対は集合的なタブ幅を有し、前記タブ対は前記タブ幅よりも広い間隔で互いに周方向に離隔され、
前記双対タブ(58、60)は前記出口(46、56)に向かって径方向後方と、前記後縁部(44、54)から周方向前方の両方に傾斜する、
排気ノズル(24、28)。 - 各双対タブ(58、60)は前記後縁部(44、54)から前方に周方向に傾斜する底面(64)と、前記底面(64)から径方向に離隔した頂点(66)とを含む、請求項11に記載のノズル。
- 前記各双対タブ(58、60)は三角形であり、これを越えて流れる渦流を発生する傾斜三角翼を画定し、間にある前記共通のスロット(62)も三角形であり、前記タブ底面(64)の共通の接合部から外側に延びる、請求項12に記載のノズル。
- 前記双対タブ(58、60)は、間にある前記共通のスロット(62)に対して対称である、請求項12に記載のノズル。
- 前記双対タブ(60)は前記共通のスロット(62)から前記後縁部(54)に向かって周方向に散開する、請求項12に記載のノズル。
- 前記双対タブ(58)は前記後縁部(44)で前記共通のスロット(62)に向かって周方向に収束する、請求項12に記載のノズル。
- 前記双対タブ(60)は前記底面(64)で互いに直角である、請求項12に記載のノズル。
- 前記双対タブ(60)は前記底面(64)で互いに鋭角をなす、請求項12に記載のノズル。
- 前記傾斜底面(64)は各対のタブ(58、60)内の共通ポイントで互いに交差する、請求項12に記載のノズル。
- 前記傾斜底面(64)は各対のタブ(58、60)内で互いの方向に収束し、前記共通のスロット(62)で離隔状態に留まる、請求項12に記載のノズル。
- 前記双対タブ(58、60)は共通の軸長を有し、その集合的な幅は前記長さの2倍である、請求項12に記載のノズル。
- 前記双対タブ(58、60)は前記後縁部(44、54)で終端する、請求項12に記載のノズル。
- 前記双対タブ(70、72)は前記後縁部(44、54)の軸方向前方で終端する、請求項12に記載のノズル。
- 前記双対タブ(74)は前記後縁部(44)の軸方向後方で終端する、請求項12に記載のノズル。
- 前記双対タブ(58、60)は前記ノズル出口(46、56)の周囲で対応する対ごとに等角度離隔される、請求項12に記載のノズル。
- 前記双対タブ(58、60)は前記底面(64)から前記頂点(66)へと収束する、請求項14に記載のノズル。
- 前記双対タブ(70)は前記頂点(66)で頭部が切り取られる、請求項12に記載のノズル。
- 前記双対タブ(58、60)は、前記排気出口(46、56)の内側で前記内側表皮(40、50)から径方向内側に延びる、請求項12に記載のノズル。
- 前記双対タブ(70、72)は、前記排気出口(46、56)の外側で前記外側表皮(42、52)から径方向外側に延びる、請求項12に記載のノズル。
- 前記排気ダクト(38、48)は、その内部に同心に配置され、前記排気出口(46、56)を径方向内側に界接する中心体(76、22)を含み、前記双対タブ(74)は前記出口(46、56)の内側で前記中心体(76、22)から径方向外側に延びる、請求項12に記載のノズル。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/146,510 | 2008-06-26 | ||
US12/146,510 US8087250B2 (en) | 2008-06-26 | 2008-06-26 | Duplex tab exhaust nozzle |
PCT/US2009/041239 WO2010011381A1 (en) | 2008-06-26 | 2009-04-21 | Duplex tab exhaust nozzle |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011525959A JP2011525959A (ja) | 2011-09-29 |
JP5492199B2 true JP5492199B2 (ja) | 2014-05-14 |
Family
ID=41328741
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011516357A Expired - Fee Related JP5492199B2 (ja) | 2008-06-26 | 2009-04-21 | 双対タブ排気ノズル |
Country Status (6)
Country | Link |
---|---|
US (1) | US8087250B2 (ja) |
JP (1) | JP5492199B2 (ja) |
CA (1) | CA2728527C (ja) |
DE (1) | DE112009001558T5 (ja) |
GB (1) | GB2474377B (ja) |
WO (1) | WO2010011381A1 (ja) |
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US8881500B2 (en) * | 2010-08-31 | 2014-11-11 | General Electric Company | Duplex tab obstacles for enhancement of deflagration-to-detonation transition |
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US9429071B2 (en) * | 2011-06-23 | 2016-08-30 | Continuum Dynamics, Inc. | Supersonic engine inlet diffuser with deployable vortex generators |
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-
2008
- 2008-06-26 US US12/146,510 patent/US8087250B2/en active Active
-
2009
- 2009-04-21 GB GB1021173.8A patent/GB2474377B/en not_active Expired - Fee Related
- 2009-04-21 JP JP2011516357A patent/JP5492199B2/ja not_active Expired - Fee Related
- 2009-04-21 CA CA2728527A patent/CA2728527C/en not_active Expired - Fee Related
- 2009-04-21 WO PCT/US2009/041239 patent/WO2010011381A1/en active Application Filing
- 2009-04-21 DE DE112009001558T patent/DE112009001558T5/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB201021173D0 (en) | 2011-01-26 |
GB2474377B (en) | 2012-02-29 |
JP2011525959A (ja) | 2011-09-29 |
US8087250B2 (en) | 2012-01-03 |
WO2010011381A1 (en) | 2010-01-28 |
CA2728527C (en) | 2014-06-03 |
CA2728527A1 (en) | 2010-01-28 |
GB2474377A (en) | 2011-04-13 |
DE112009001558T5 (de) | 2011-04-28 |
US20090320486A1 (en) | 2009-12-31 |
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