JP6567854B2 - 渦停留型燃料噴射器および製造方法 - Google Patents
渦停留型燃料噴射器および製造方法 Download PDFInfo
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- JP6567854B2 JP6567854B2 JP2015076414A JP2015076414A JP6567854B2 JP 6567854 B2 JP6567854 B2 JP 6567854B2 JP 2015076414 A JP2015076414 A JP 2015076414A JP 2015076414 A JP2015076414 A JP 2015076414A JP 6567854 B2 JP6567854 B2 JP 6567854B2
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- 239000000446 fuel Substances 0.000 title claims description 244
- 238000004519 manufacturing process Methods 0.000 title description 27
- 238000001816 cooling Methods 0.000 claims description 101
- 239000012530 fluid Substances 0.000 claims description 83
- 239000000567 combustion gas Substances 0.000 claims description 61
- 238000004891 communication Methods 0.000 claims description 50
- 238000002485 combustion reaction Methods 0.000 claims description 49
- 238000002347 injection Methods 0.000 claims description 39
- 239000007924 injection Substances 0.000 claims description 39
- 230000014759 maintenance of location Effects 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 29
- 239000007789 gas Substances 0.000 claims description 28
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 16
- 239000000843 powder Substances 0.000 claims description 15
- 238000002844 melting Methods 0.000 claims description 12
- 230000008018 melting Effects 0.000 claims description 12
- 238000011144 upstream manufacturing Methods 0.000 claims description 5
- 238000010894 electron beam technology Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 229910000684 Cobalt-chrome Inorganic materials 0.000 claims description 2
- 239000010952 cobalt-chrome Substances 0.000 claims description 2
- NPURPEXKKDAKIH-UHFFFAOYSA-N iodoimino(oxo)methane Chemical compound IN=C=O NPURPEXKKDAKIH-UHFFFAOYSA-N 0.000 claims 1
- 239000000654 additive Substances 0.000 description 8
- 230000000996 additive effect Effects 0.000 description 8
- 230000006870 function Effects 0.000 description 7
- 238000000149 argon plasma sintering Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000001965 increasing effect Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 238000005219 brazing Methods 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000000110 selective laser sintering Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 238000001465 metallisation Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- WAIPAZQMEIHHTJ-UHFFFAOYSA-N [Cr].[Co] Chemical compound [Cr].[Co] WAIPAZQMEIHHTJ-UHFFFAOYSA-N 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000003260 vortexing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- 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
- F23R3/28—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply
- F23R3/34—Feeding into different combustion zones
- F23R3/346—Feeding into different combustion zones for staged combustion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/10—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/10—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
- B22F5/106—Tube or ring forms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K15/00—Electron-beam welding or cutting
- B23K15/0046—Welding
- B23K15/0086—Welding welding for purposes other than joining, e.g. built-up welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K15/00—Electron-beam welding or cutting
- B23K15/0046—Welding
- B23K15/0093—Welding characterised by the properties of the materials to be welded
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K15/00—Electron-beam welding or cutting
- B23K15/02—Control circuits therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/0006—Working by laser beam, e.g. welding, cutting or boring taking account of the properties of the material involved
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/34—Laser welding for purposes other than joining
- B23K26/342—Build-up welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y80/00—Products made by additive manufacturing
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/0433—Nickel- or cobalt-based alloys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/12—Cooling of plants
- F02C7/14—Cooling of plants of fluids in the plant, e.g. lubricant or fuel
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- 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
-
- 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
- F23R3/28—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply
- F23R3/283—Attaching or cooling of fuel injecting means including supports for fuel injectors, stems, or lances
-
- 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
- F23R3/28—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply
- F23R3/286—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply having fuel-air premixing devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/05—Metallic powder characterised by the size or surface area of the particles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/25—Direct deposition of metal particles, e.g. direct metal deposition [DMD] or laser engineered net shaping [LENS]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2304/00—Physical aspects of the powder
- B22F2304/10—Micron size particles, i.e. above 1 micrometer up to 500 micrometer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/32—Application in turbines in gas turbines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/20—Manufacture essentially without removing material
- F05D2230/22—Manufacture essentially without removing material by sintering
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/10—Metals, alloys or intermetallic compounds
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- 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
- F23R2900/00—Special features of, or arrangements for continuous combustion chambers; Combustion processes therefor
- F23R2900/00015—Trapped vortex combustion chambers
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- 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
- F23R2900/00—Special features of, or arrangements for continuous combustion chambers; Combustion processes therefor
- F23R2900/00018—Manufacturing combustion chamber liners or subparts
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- 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
- F23R2900/00—Special features of, or arrangements for continuous combustion chambers; Combustion processes therefor
- F23R2900/03043—Convection cooled combustion chamber walls with means for guiding the cooling air flow
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- 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
- F23R2900/00—Special features of, or arrangements for continuous combustion chambers; Combustion processes therefor
- F23R2900/03045—Convection cooled combustion chamber walls provided with turbolators or means for creating turbulences to increase cooling
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Combustion & Propulsion (AREA)
- Materials Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Metallurgy (AREA)
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Description
12 入口セクション
14 作動流体
16 圧縮機
18 圧縮作動流体
20 燃料
22 燃料供給部
24 燃焼器
26 燃焼ガス
28 タービン
30 軸
32 発電機/モータ
34 排気ガス
36 排気セクション
38 排気スタック
40 外側ケーシング
42 エンドカバー
44 高圧プレナム
46 一次燃料ノズル
48 ライナ
50 燃焼ガス流路
52 燃焼ライナ
54 燃焼器尾筒
56 燃焼領域
58 燃焼ガス流れ場
60 内壁
62 外壁
64 噴射器開口
100 渦停留型燃料噴射器
102 本体
104 環状部
106 半環状部
108 中心線
110 端壁
112 内壁
114 外壁
116 燃焼/圧縮空気流路
118 入口
120 旋回羽根
122 渦停留予混合領域
124 燃料回路
126 燃料プレナム
128 燃料噴射口
130 予混合可燃混合気
132 冷却チャネル
134 冷却空気入口
136 冷却空気出口
138 らせん状
140 蛇行状
142 流れ機能部
144 くぼみ
146 リブ
148 スロット
150 溝
200 方法
202 ステップ
204 ステップ
206 ステップ
Claims (24)
- 環状部と、前記環状部と同軸に整列して、前記環状部から下流に延在する半環状部と、前記環状部と前記半環状部との間に延在する内壁および反対側の外壁とを有する本体であって、
前記環状部が燃焼空気流路を画定し、前記半環状部が前記燃焼空気流路から下流に渦停留予混合領域を画定し、
前記本体内に完全に入り、前記環状部と前記半環状部との間に延在する燃料回路、および複数の燃料噴射口を、前記本体がさらに画定し、
前記燃料噴射口によって前記燃料回路と前記渦停留予混合領域との間の流体連通が可能になる、
本体を備える渦停留型燃料噴射器。 - 前記本体が上流端に近接する燃料プレナムを画定し、前記燃料回路が前記燃料プレナムと流体連通する、請求項1記載の渦停留型燃料噴射器。
- 前記複数の燃料噴射口が、前記半環状部内に周方向に間隔を置いて設けられ、前記内壁を通る流体連通を可能にする、請求項1または2に記載の渦停留型燃料噴射器。
- 前記燃料回路の少なくとも一部が、蛇行状およびらせん状のうちの少なくとも1つの形状で、前記本体内に部分的に延在する、請求項1乃至3のいずれかに記載の渦停留型燃料噴射器。
- 前記燃料噴射口の少なくとも一部が、燃料が前記燃料回路から前記渦停留予混合領域内へ流れるときに、燃料の流れに旋回を生じさせるような方向を向く、請求項1乃至4のいずれかに記載の渦停留型燃料噴射器。
- 前記本体が、
前記本体内に完全に入り、前記環状部と前記半環状部との間に延在する冷却チャネルと、
前記環状部内に画定され、前記冷却チャネルと流体連通する冷却空気入口と、
前記冷却空気入口から下流で前記冷却チャネルと流体連通する複数の冷却空気出口と
をさらに画定する、請求項1乃至5のいずれかに記載の渦停留型燃料噴射器。 - 前記冷却空気出口の少なくとも1つによって、前記内壁を通って前記渦停留予混合領域内への流体連通が可能になる、請求項6に記載の渦停留型燃料噴射器。
- 前記冷却空気出口の少なくとも1つが、冷却空気の噴流が前記燃料噴射口の少なくとも1つから流れる燃料の噴流内へ向くように方向づけられる、請求項6に記載の渦停留型燃料噴射器。
- 前記冷却空気出口の少なくとも一部が、前記冷却チャネルから前記渦停留予混合領域内へ流れる冷却空気の流れに旋回を生じさせるような方向を向く、請求項6に記載の渦停留型燃料噴射器。
- 前記冷却空気出口によって、前記半環状部の前記内壁、前記外壁、および端壁のうちの少なくとも1つを通るような流体連通が可能になる、請求項6に記載の渦停留型燃料噴射器。
- 一次燃料ノズルから下流に燃焼ガス流路を画定するライナであって、内側、反対側の外側、および前記ライナを貫通して延在する噴射器開口を有するライナと、
前記一次燃料ノズルから下流に配置され、前記噴射器開口を通って延在する本体を有する渦停留型燃料噴射器であって、前記本体は、前記外側から外向きに延在する環状部、前記環状部と同軸に整列して、前記内側から内向きに前記環状部から下流に延在する半環状部、ならびに前記環状部と前記半環状部との間に延在する内壁および反対側の外壁を含み、前記環状部が燃焼空気流路を画定し、前記半環状部が前記燃焼空気流路から下流に渦停留予混合領域を画定し、
前記本体が、燃料供給部と流体連通する燃料回路を画定し、前記燃料回路が前記本体内に完全に入り、前記環状部と前記半環状部との間に延在し、前記本体が複数の燃料噴射口をさらに画定し、
前記燃料噴射口によって前記燃料回路と前記渦停留予混合領域との間の流体連通が可能になる、渦停留型燃料噴射器と
を備える、可燃混合気を燃焼器の一次燃焼領域から下流の燃焼ガス流れ場の中へ噴射するためのシステム。 - 前記複数の燃料噴射口が、前記半環状部内に周方向に間隔を置いて設けられ、前記燃料回路から前記内壁を通る流体連通を可能にする、請求項11に記載のシステム。
- 前記燃料噴射口の少なくとも一部が、燃料が前記燃料回路から前記渦停留予混合領域内へ流れるときに、燃料の流れに旋回を生じさせるような方向を向く、請求項11または12に記載のシステム。
- 前記本体が、
前記本体内に完全に入り、前記環状部と前記半環状部との間に延在する冷却チャネルと、
前記環状部内に画定され、前記冷却チャネルと流体連通する冷却空気入口と、
前記冷却空気入口から下流で前記冷却チャネルと流体連通する複数の冷却空気出口であって、前記冷却空気出口の少なくとも1つによって、前記内壁を通って前記渦停留予混合領域内への流体連通が可能になる、冷却空気出口と
をさらに画定する、請求項12記載のシステムであって、
前記冷却空気出口の少なくとも1つが、冷却空気の噴流が前記燃料噴射口の少なくとも1つから流れる燃料の噴流内へ向くように方向づけられる、システム。 - 圧縮機と、
前記圧縮機から下流に配置される燃焼器と、
前記燃焼器から下流に配置されるタービンと
を備えるガスタービンであって、
前記燃焼器が、
一次燃料ノズルと、
前記一次燃料ノズルから下流に延在するライナであって、前記燃焼器内の燃焼ガス流路を画定し、内側および外側を有するライナと、
前記一次燃料ノズルから下流に配置され、前記ライナを通って延在する本体を有する渦停留型燃料噴射器であって、前記本体は、前記外側から外向きに延在する環状部、および前記環状部と同軸に整列し、前記内側から前記燃焼ガス流路内へ内向きに前記環状部から下流に延在する半環状部を有し、前記環状部が燃焼空気流路を画定し、前記半環状部が前記燃焼空気流路から下流に渦停留予混合領域を画定する、渦停留型燃料噴射器とを備え、
前記本体が、燃料供給部と流体連通する燃料回路を画定し、前記燃料回路が前記本体内に完全に入り、前記環状部と前記半環状部との間に延在し、前記本体が前記燃料回路と流体連通する複数の燃料噴射口をさらに画定し、
前記燃料噴射口によって前記燃料回路と前記渦停留予混合領域との間の流体連通が可能になる、
ガスタービン。 - 前記複数の燃料噴射口が、前記半環状部内に周方向に間隔を置いて設けられ、前記燃料噴射口の少なくとも一部が、燃料が前記燃料回路から前記渦停留予混合領域内へ流れるときに、燃料の流れに旋回を生じさせるような方向を向く、請求項15に記載のガスタービン。
- 前記本体が、
前記本体内に完全に入り、前記環状部と前記半環状部との間に延在する冷却チャネルと、
前記環状部内に画定され、前記冷却チャネルと流体連通する冷却空気入口と、
前記冷却空気入口から下流で前記冷却チャネルと流体連通する複数の冷却空気出口であって、
前記冷却空気出口の少なくとも1つによって、前記渦停留予混合領域内への流体連通が可能になる、冷却空気出口と
をさらに画定する、請求項15または16に記載のガスタービン。 - 渦停留型燃料噴射器の本体を製作するための方法であって、前記本体が、前記本体内に完全に入り、前記本体の環状部と半環状部との間に延在する燃料回路、および複数の燃料噴射口を画定し、前記燃料噴射口が、前記燃料回路と渦停留予混合領域との間の流体連通を可能にし、
前記燃料回路を含む前記本体の3次元情報を決定するステップと、
前記3次元情報を前記本体の断面層を画定する複数のスライスに変換するステップであって、前記複数のスライスの少なくともいくつかが前記断面層内に空洞を画定する、ステップと、
レーザエネルギーまたは電子ビームエネルギーを用いて金属粉末を溶融することによって前記本体の各層を連続的に形成するステップと
を備える方法。 - 前記本体の3次元情報を決定するステップが、前記本体の3次元モデルを生成するステップをさらに備える、請求項18に記載の方法。
- 前記本体の3次元情報を決定するステップが、前記燃料回路と流体連通する燃料噴射口を含む前記本体の3次元モデルを生成するステップをさらに備える、請求項18または19に記載の方法。
- 前記本体の3次元情報を決定するステップが、冷却チャネルと、前記冷却チャネルと流体連通する冷却空気入口と、前記冷却空気入口から下流で前記冷却チャネルと流体連通する冷却空気出口とを含む前記本体の3次元モデルを生成するステップをさらに備える、請求項18乃至20のいずれかに記載の方法。
- レーザエネルギーを用いて金属粉末を溶融することによって前記本体の各層を連続的に形成するステップが、コバルトクロム、HS188、およびINCO625のうちの少なくとも1つを備える金属粉末を溶融するステップをさらに備える、請求項18乃至21のいずれかに記載の方法。
- レーザエネルギーを用いて金属粉末を溶融することによって前記本体の各層を連続的に形成するステップが、粒径が約10ミクロンから約75ミクロンの間の金属粉末を溶融するステップをさらに備える、請求項18乃至22のいずれかに記載の方法。
- レーザエネルギーを用いて金属粉末を溶融することによって前記本体の各層を連続的に形成するステップが、粒径が約15ミクロンから約30ミクロンの間の金属粉末を溶融するステップをさらに備える、請求項23に記載の方法。
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