JP6650687B2 - ロータブレード冷却 - Google Patents
ロータブレード冷却 Download PDFInfo
- Publication number
- JP6650687B2 JP6650687B2 JP2015105049A JP2015105049A JP6650687B2 JP 6650687 B2 JP6650687 B2 JP 6650687B2 JP 2015105049 A JP2015105049 A JP 2015105049A JP 2015105049 A JP2015105049 A JP 2015105049A JP 6650687 B2 JP6650687 B2 JP 6650687B2
- Authority
- JP
- Japan
- Prior art keywords
- trailing edge
- cooling passage
- main cooling
- rotor blade
- airfoil
- 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.)
- Active
Links
- 238000001816 cooling Methods 0.000 title claims description 133
- 239000012530 fluid Substances 0.000 claims description 27
- 239000002826 coolant Substances 0.000 claims description 26
- 238000004891 communication Methods 0.000 claims description 13
- 239000007789 gas Substances 0.000 description 14
- 239000000567 combustion gas Substances 0.000 description 12
- 238000012546 transfer Methods 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 5
- 239000000446 fuel Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
- F01D5/186—Film cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
- F01D5/187—Convection cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/08—Heating, heat-insulating or cooling means
- F01D5/085—Heating, heat-insulating or cooling means cooling fluid circulating inside the rotor
-
- 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
- F05D2260/00—Function
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/202—Heat transfer, e.g. cooling by film cooling
-
- 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
- F05D2260/00—Function
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/221—Improvement of heat transfer
- F05D2260/2212—Improvement of heat transfer by creating turbulence
-
- 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)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
図2は、本開示の種々の実施形態に組み込むことができ、図1に示すロータブレード22に取って代わることが意図された例示的なロータブレード100の斜視図を提示する。図2に示すように、全体的に、ロータブレード100は、取付け部分102と、該取付け部分102の半径方向外側部分106から半径方向外向きに延びる翼形部分104とを含む。1つの実施形態において、ロータブレード100は、取付け部分102と翼形部分104との間に形成されたプラットフォーム部分108を含む。
12 圧縮機セクション
14 燃焼セクション
16 燃焼器
18 タービンセクション
20 タービン
22 ロータブレード
24 ロータシャフト
26 固定ベーン
28 外側ケーシング
30 作動流体
32 圧縮機
34 圧縮作動流体
36 燃焼ガス
100 ロータブレード
102 取付け部分
104 翼形部分
106 半径方向外側部分
108 プラットフォーム部分
110 取付け本体
112 シャンク
114 ポケット
116 翼形本体
118 前縁
120 後縁
122 正圧側面
124 負圧側面
126 キャンバ線
128 長軸
130 短軸
132 根元部分
134 半径方向
136 先端部分
138 半径方向遠位端
140 冷却剤
142 冷却通路入口
144 主冷却通路
146 冷却流出口
148 非円形形状
150 細長い側壁部
152 後縁冷却通路
154 冷却剤出口
156 前方主冷却通路
158 後方主冷却通路
160 中間主冷却通路
162 上半分
164 半径方向高さ
166 上四半分
168 非円形形状
170 タービュレータ
Claims (8)
- ロータブレード(22)であって、
根元部分(132)と、
前記根元部分(132)から半径方向外側に先端部分(136)まで延び、前縁(118)と後縁(120)を備える翼形部分(104)と、
前記ロータブレード(22)内に画定された前方主冷却通路(156)であって、前記前方主冷却通路(156)が、前記根元部分(132)に沿って配置された第1の入口(142)と前記先端部分(136)に沿って配置され、前記先端部分(136)から冷却剤が出ることを可能にする第1の出口(146)とを備え、前記前方主冷却通路(156)が、前記翼形部分(104)の前記後縁(120)に沿って配置された第1の後縁冷却通路と流体連通する、前記前方主冷却通路(156)と、
前記ロータブレード(22)内に画定された中間主冷却通路(160)であって、前記中間主冷却通路(160)が、前記根元部分(132)に沿って配置された第2の入口(142)と前記先端部分(136)に沿って配置され、前記先端部分(136)から冷却剤が出ることを可能にする第2の出口(146)とを備え、前記中間主冷却通路(160)が、前記翼形部分(104)の前記後縁(120)に沿って配置された第2の後縁冷却通路と流体連通する、前記中間主冷却通路(160)と、
前記ロータブレード(22)内に画定された後方主冷却通路(158)であって、前記後方主冷却通路(158)が、前記根元部分(132)に沿って配置された第3の入口(142)と前記先端部分(136)に沿って配置され、前記先端部分(136)から冷却剤が出ることを可能にする第3の出口(146)とを備え、前記後方主冷却通路(158)が、前記翼形部分(104)の前記後縁(120)に沿って配置された第3の後縁冷却通路と流体連通する、前記後方主冷却通路(158)と、
を備え、
前記前方主冷却通路(156)と前記中間主冷却通路(160)と前記後方主冷却通路(158)とが、前記ロータブレード(22)内で互いに流体的に分離されている、ロータブレード。 - 前記第1の後縁冷却通路は、前記翼形部分(104)の半径方向の高さにおいて、上四半分(166)に沿って形成される、請求項1に記載のロータブレード。
- 前記第2の後縁冷却通路は、前記翼形部分(104)の半径方向の高さにおいて、上四半分(166)に沿って形成される、請求項1または2に記載のロータブレード。
- 前記第3の後縁冷却通路は、前記翼形部分(104)の半径方向の高さにおいて、上四半分(166)に沿って形成される、請求項1乃至3のいずれかに記載のロータブレード。
- 前記第1乃至第3の後縁冷却通路の少なくとも1つは、前記翼形部分(104)の翼形本体の予め定められた軸方向位置において非円形断面形状を有する、請求項1乃至4のいずれかに記載のロータブレード。
- 前記第1乃至第3の後縁冷却通路の少なくとも1つは、前記翼形部分(104)の翼形本体の予め定められた軸方向位置において実質的に非円形断面形状を有し、前記翼形本体の他の予め定められた軸方向位置において実質的に円形断面形状を有するように定められる、請求項1乃至5のいずれかに記載のロータブレード。
- 前記第1乃至第3の後縁冷却通路の少なくとも1つは、内部に定められたタービュレータ(170)を含む、請求項1乃至6のいずれかに記載のロータブレード。
- 前記前方主冷却通路(156)と前記中間主冷却通路(160)と前記後方主冷却通路(158)の少なくとも1つは、前記翼形部分(104)の翼形本体の予め定められた半径方向位置において実質的に非円形断面形状を有し、前記翼形本体の他の予め定められた半径方向位置において実質的に円形断面形状を有するように定められる、請求項1乃至7のいずれかに記載のロータブレード。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/288,748 US9810072B2 (en) | 2014-05-28 | 2014-05-28 | Rotor blade cooling |
US14/288,748 | 2014-05-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015224640A JP2015224640A (ja) | 2015-12-14 |
JP6650687B2 true JP6650687B2 (ja) | 2020-02-19 |
Family
ID=54481597
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015105049A Active JP6650687B2 (ja) | 2014-05-28 | 2015-05-25 | ロータブレード冷却 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9810072B2 (ja) |
JP (1) | JP6650687B2 (ja) |
DE (1) | DE102015107841A1 (ja) |
Families Citing this family (16)
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US9988912B2 (en) * | 2015-05-08 | 2018-06-05 | United Technologies Corporation | Thermal regulation channels for turbomachine components |
US10260354B2 (en) * | 2016-02-12 | 2019-04-16 | General Electric Company | Airfoil trailing edge cooling |
EP3301261B1 (en) | 2016-09-14 | 2019-07-17 | Rolls-Royce plc | Blade |
US10233761B2 (en) | 2016-10-26 | 2019-03-19 | General Electric Company | Turbine airfoil trailing edge coolant passage created by cover |
US10273810B2 (en) | 2016-10-26 | 2019-04-30 | General Electric Company | Partially wrapped trailing edge cooling circuit with pressure side serpentine cavities |
US10352176B2 (en) * | 2016-10-26 | 2019-07-16 | General Electric Company | Cooling circuits for a multi-wall blade |
US10598028B2 (en) | 2016-10-26 | 2020-03-24 | General Electric Company | Edge coupon including cooling circuit for airfoil |
US10465521B2 (en) | 2016-10-26 | 2019-11-05 | General Electric Company | Turbine airfoil coolant passage created in cover |
US10301946B2 (en) | 2016-10-26 | 2019-05-28 | General Electric Company | Partially wrapped trailing edge cooling circuits with pressure side impingements |
US10450950B2 (en) | 2016-10-26 | 2019-10-22 | General Electric Company | Turbomachine blade with trailing edge cooling circuit |
US10450875B2 (en) | 2016-10-26 | 2019-10-22 | General Electric Company | Varying geometries for cooling circuits of turbine blades |
US10309227B2 (en) | 2016-10-26 | 2019-06-04 | General Electric Company | Multi-turn cooling circuits for turbine blades |
US10590777B2 (en) * | 2017-06-30 | 2020-03-17 | General Electric Company | Turbomachine rotor blade |
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US11814965B2 (en) | 2021-11-10 | 2023-11-14 | General Electric Company | Turbomachine blade trailing edge cooling circuit with turn passage having set of obstructions |
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-
2014
- 2014-05-28 US US14/288,748 patent/US9810072B2/en active Active
-
2015
- 2015-05-19 DE DE102015107841.4A patent/DE102015107841A1/de active Pending
- 2015-05-25 JP JP2015105049A patent/JP6650687B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
DE102015107841A1 (de) | 2015-12-03 |
US9810072B2 (en) | 2017-11-07 |
JP2015224640A (ja) | 2015-12-14 |
US20150345303A1 (en) | 2015-12-03 |
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