JP2004069061A - 後流を制御する渦発生器 - Google Patents
後流を制御する渦発生器 Download PDFInfo
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- JP2004069061A JP2004069061A JP2003276883A JP2003276883A JP2004069061A JP 2004069061 A JP2004069061 A JP 2004069061A JP 2003276883 A JP2003276883 A JP 2003276883A JP 2003276883 A JP2003276883 A JP 2003276883A JP 2004069061 A JP2004069061 A JP 2004069061A
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- flow
- vortex generator
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- 239000012530 fluid Substances 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 15
- 230000001154 acute effect Effects 0.000 claims description 6
- 238000005304 joining Methods 0.000 description 9
- 238000001816 cooling Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009420 retrofitting Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
- F15D1/00—Influencing flow of fluids
- F15D1/02—Influencing flow of fluids in pipes or conduits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/313—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
- B01F25/3131—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit with additional mixing means other than injector mixers, e.g. screens, baffles or rotating elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/40—Static mixers
- B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
- B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
- B01F25/431—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
- B01F25/4317—Profiled elements, e.g. profiled blades, bars, pillars, columns or chevrons
- B01F25/43171—Profiled blades, wings, wedges, i.e. plate-like element having one side or part thicker than the other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/40—Static mixers
- B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
- B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
- B01F25/431—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
- B01F25/43197—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor characterised by the mounting of the baffles or obstructions
- B01F25/431971—Mounted on the wall
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C7/00—Combustion apparatus characterised by arrangements for air supply
- F23C7/002—Combustion apparatus characterised by arrangements for air supply the air being submitted to a rotary or spinning motion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/02—Continuous combustion chambers using liquid or gaseous fuel characterised by the air-flow or gas-flow configuration
- F23R3/04—Air inlet arrangements
- F23R3/10—Air inlet arrangements for primary air
- F23R3/12—Air inlet arrangements for primary air inducing a vortex
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2215/00—Auxiliary or complementary information in relation with mixing
- B01F2215/04—Technical information in relation with mixing
- B01F2215/0413—Numerical information
- B01F2215/0436—Operational information
- B01F2215/044—Numerical composition values of components or mixtures, e.g. percentage of components
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/20—Heat transfer, e.g. cooling
- F05B2260/221—Improvement of heat transfer
- F05B2260/222—Improvement of heat transfer by creating turbulence
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Percussion Or Vibration Massage (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Gas Burners (AREA)
Abstract
【解決手段】 本発明は、流体を供給される流れ通路内の渦発生器と、このような渦発生器の後流流れを制御するための方法に関する。課題を解決するために本発明では、後流渦11の中心部分の流れに、軸方向運動量が適切に加えられる。そのために、本発明の好ましい実施形では、二次流れが渦発生器2の流出口12から、ほぼ主流れの方向に後流渦11の中心部分の流れに供給される。
【選択図】 図3
Description
2 渦発生器
3 側面
4 側面
5 ルーフ面
6 通路壁
7 接合エッジ
8 接合エッジ
9 流出エッジ
10 流出エッジ
11 後流渦
12 出口
13 二次流れ
Claims (15)
- 主流(1)の方向に延び、周りを流体が流れる自由面を備え、この自由面のうちの少なくとも2つの面が通路壁(6)に支持された側面(3,4)を形成し、この側面(3,4)が流れ方向に向かって互いに近接して、鋭角(α)をなして共通のエッジ(7)で互いに接合し、このエッジが渦発生器(2)の下流側のエッジ(7)を形成し、前記自由面のうちの少なくとも1つの面がルーフ面(5)を形成し、このルーフ面が流れ方向に向かって通路壁(6)から鋭角“θ”をなして離れ、かつ側面(3,4)と共に流出エッジ(9,10)を形成している、流体を供給される流れ通路内の渦発生器において、渦発生器(2)が、発生した後流渦(11)の中心部分の流れ内に二次流れ(13)を供給するための少なくとも1つの流出口(12)を備えていることを特徴とする渦発生器。
- 少なくとも1つの流出口(12)が側面(3または4)の範囲に配置されていることを特徴とする、請求項1に記載の渦発生器。
- 流出口(12)が流出エッジ(9または10)のすぐ下において半分の弦長のところに配置されていることを特徴とする、請求項2に記載の渦発生器。
- 少なくとも1つの側面(3または4)が、例えば向きおよび/または流量が異なるよう形成された、異なる形状の多数の流出口(12)を備えていることを特徴とする、請求項2に記載の渦発生器。
- 少なくとも1つの流出口(12)が渦発生器(2)の下流側のエッジ(7)に配置されていることを特徴とする、請求項1に記載の渦発生器。
- 下流側のエッジ(7)が多数の流出口(12)を備えていることを特徴とする、請求項5に記載の渦発生器。
- 下流側のエッジ(7)が異なる形状の多数の流出口を備えていることを特徴とする、請求項6に記載の渦発生器。
- 少なくとも1つの流出口(12)が円形横断面を有することを特徴とする、請求項1に記載の渦発生器。
- 少なくとも1つの流出口(12)がスロット状に形成されていることを特徴とする、請求項1に記載の渦発生器。
- 主流(1)の方向に延び、周りを流体が流れる3つの自由面を備え、この自由面のうちの少なくとも2つの面が通路壁に支持された側面(3;4)を形成し、この側面が流れ方向に向かって互いに近接して、鋭角(α)をなして共通のエッジ(7)で互いに接合し、このエッジが渦発生器(2)の下流側のエッジ(7)を形成し、前記自由面のうちの少なくとも1つの面がルーフ面(5)を形成し、このルーフ面が流れ方向に向かって通路壁(6)から鋭角“θ”をなして離れ、かつ側面(3;4)と共に流出エッジ(9;10)を形成し、流体が流出エッジ(9;10)の下流で一対の逆向きの渦(11)を形成し、この渦の軸線が主流(1)の軸線内にある、流体を供給される流れ通路内の渦発生器の後流を制御するための方法において、発生した後流渦(11)の中心部分の流れの範囲内に、軸方向運動量がほぼ主流(1)の方向に加えられることを特徴とする方法。
- 二次流れ(13)が後流渦(11)の中心部分の流れに供給されることを特徴とする、請求項10に記載の方法。
- 渦発生器(2)の流出口(12)から二次流体が渦中心部分の流れに供給されることを特徴とする、請求項11に記載の方法。
- 二次流体(13)の流量が可変調節可能であることを特徴とする、請求項12に記載の方法。
- 二次流体が主流(1)に混合される成分であることを特徴とする、請求項11に記載の方法。
- 二次流れ(13)の質量割合が主流(1)に対して0.1〜5%、好ましくは0.5〜1.5%であることを特徴とする、請求項11に記載の方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10233111 | 2002-07-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2004069061A true JP2004069061A (ja) | 2004-03-04 |
JP2004069061A5 JP2004069061A5 (ja) | 2006-08-31 |
Family
ID=29762099
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003276883A Pending JP2004069061A (ja) | 2002-07-20 | 2003-07-18 | 後流を制御する渦発生器 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20040037162A1 (ja) |
EP (1) | EP1382379B1 (ja) |
JP (1) | JP2004069061A (ja) |
DE (2) | DE10330023A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016203143A (ja) * | 2015-04-28 | 2016-12-08 | 住友金属鉱山株式会社 | 流体吹込装置及びこれを用いた化学反応装置 |
WO2022114102A1 (ja) * | 2020-11-27 | 2022-06-02 | 三菱重工業株式会社 | 風車翼用のボルテックスジェネレータ、風車翼及び風力発電装置並びに風車翼の製造方法 |
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US7797944B2 (en) * | 2006-10-20 | 2010-09-21 | United Technologies Corporation | Gas turbine engine having slim-line nacelle |
US7870721B2 (en) * | 2006-11-10 | 2011-01-18 | United Technologies Corporation | Gas turbine engine providing simulated boundary layer thickness increase |
US8727267B2 (en) * | 2007-05-18 | 2014-05-20 | United Technologies Corporation | Variable contraction ratio nacelle assembly for a gas turbine engine |
US8402739B2 (en) * | 2007-06-28 | 2013-03-26 | United Technologies Corporation | Variable shape inlet section for a nacelle assembly of a gas turbine engine |
US9228534B2 (en) | 2007-07-02 | 2016-01-05 | United Technologies Corporation | Variable contour nacelle assembly for a gas turbine engine |
US7900871B2 (en) * | 2007-07-20 | 2011-03-08 | Textron Innovations, Inc. | Wing leading edge having vortex generators |
US9004399B2 (en) | 2007-11-13 | 2015-04-14 | United Technologies Corporation | Nacelle flow assembly |
US8186942B2 (en) | 2007-12-14 | 2012-05-29 | United Technologies Corporation | Nacelle assembly with turbulators |
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EP2230455B1 (en) * | 2009-03-16 | 2012-04-18 | Alstom Technology Ltd | Burner for a gas turbine and method for locally cooling a hot gases flow passing through a burner |
US8528601B2 (en) * | 2009-03-30 | 2013-09-10 | The Regents Of The University Of Michigan | Passive boundary layer control elements |
US8870124B2 (en) * | 2009-07-10 | 2014-10-28 | Peter Ireland | Application of elastomeric vortex generators |
KR101005661B1 (ko) * | 2009-09-08 | 2011-01-05 | 김낙회 | 유체 흐름을 이용한 추진기구 |
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RU2561956C2 (ru) | 2012-07-09 | 2015-09-10 | Альстом Текнолоджи Лтд | Газотурбинная система сгорания |
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US9982915B2 (en) | 2016-02-23 | 2018-05-29 | Gilles Savard | Air heating unit using solar energy |
CN108121864B (zh) * | 2017-12-15 | 2021-05-25 | 北京理工大学 | 一种基于涡流发生器的端壁横向二次流控制方法 |
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CN108629461B (zh) * | 2018-05-14 | 2021-11-12 | 华北电力大学 | 一种基于简化动量定理的近场尾流预测模型 |
CN115362333B (zh) * | 2020-03-31 | 2023-08-25 | 西门子能源全球有限两合公司 | 燃烧器的燃烧器部件和燃气轮机的具有这种燃烧器部件的燃烧器 |
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JPH06307640A (ja) * | 1993-04-08 | 1994-11-01 | Abb Manag Ag | 混合室 |
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2003
- 2003-07-03 DE DE10330023A patent/DE10330023A1/de not_active Withdrawn
- 2003-07-07 DE DE50307355T patent/DE50307355D1/de not_active Expired - Lifetime
- 2003-07-07 EP EP03405505A patent/EP1382379B1/de not_active Expired - Fee Related
- 2003-07-18 US US10/621,379 patent/US20040037162A1/en not_active Abandoned
- 2003-07-18 JP JP2003276883A patent/JP2004069061A/ja active Pending
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JPH06307640A (ja) * | 1993-04-08 | 1994-11-01 | Abb Manag Ag | 混合室 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016203143A (ja) * | 2015-04-28 | 2016-12-08 | 住友金属鉱山株式会社 | 流体吹込装置及びこれを用いた化学反応装置 |
WO2022114102A1 (ja) * | 2020-11-27 | 2022-06-02 | 三菱重工業株式会社 | 風車翼用のボルテックスジェネレータ、風車翼及び風力発電装置並びに風車翼の製造方法 |
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US20040037162A1 (en) | 2004-02-26 |
EP1382379A3 (de) | 2004-05-12 |
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DE50307355D1 (de) | 2007-07-12 |
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