JP5551856B2 - 回転機械で使用する翼形部及びそれを製作する方法 - Google Patents
回転機械で使用する翼形部及びそれを製作する方法 Download PDFInfo
- Publication number
- JP5551856B2 JP5551856B2 JP2008176407A JP2008176407A JP5551856B2 JP 5551856 B2 JP5551856 B2 JP 5551856B2 JP 2008176407 A JP2008176407 A JP 2008176407A JP 2008176407 A JP2008176407 A JP 2008176407A JP 5551856 B2 JP5551856 B2 JP 5551856B2
- Authority
- JP
- Japan
- Prior art keywords
- chord
- airfoil
- trailing edge
- exemplary embodiment
- distance
- 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 - Fee Related
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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
- F01D5/141—Shape, i.e. outer, aerodynamic form
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
- F04D29/324—Blades
-
- 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
- F05D2240/00—Components
- F05D2240/20—Rotors
- F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05D2240/301—Cross-sectional characteristics
-
- 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
- F05D2250/00—Geometry
- F05D2250/10—Two-dimensional
- F05D2250/18—Two-dimensional patterned
- F05D2250/184—Two-dimensional patterned sinusoidal
-
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49316—Impeller making
- Y10T29/49336—Blade making
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
11 ファンブレード
12 中心軸線
13 ファン組立体
14 ブースタ圧縮機
15 ファンロータディスク
16 コアタービンエンジン
18 高圧タービン
20 圧縮機ロータディスク
22 圧縮機
24 燃焼器
26 低圧タービン
28 吸気側
29 第2の駆動シャフト
30 コアエンジン排気側
31 ファン排出側
35 一部分
36 空気流
40 ロータブレード
42 翼形部
44 正圧側面
46 負圧側面
48 前縁
50 後縁
52 先端部分
54 根元部分
55 平均キャンバ線
56 プラットフォーム部分
57 距離
58 一体形ダブテール
59 開始線
62 第1の翼弦セクション
63 翼弦長さ
64 第2の翼弦セクション
66 第1の翼弦群
68 第2の翼弦群
76 距離
78 距離
80 距離
83 距離
84 距離
85 距離
86 第1の翼弦厚さ
88 第2の翼弦厚さ
90 第1の翼弦キャンバ線
92 第2の翼弦キャンバ線
111 ファンブレード
142 翼形部
148 前縁
150 後縁
160 波形
162 第1の翼弦セクション
163 第1の翼弦長さ
164 第2の翼弦セクション
165 翼弦長さ
166 先端部分
168 トラフ部分
168 波形トラフ
170 内側端縁部
172 外側端縁部
174 長さ
176 長さ
178 距離
180 距離
180 距離
181 距離
182 先端間距離
186 第1の翼弦厚さ
188 第2の翼弦厚さ
Claims (4)
- 前縁(48)及び後縁(150)において互いに結合された負圧側面(46)と正圧側面(44)とを含む翼形部(142)であって、
第1の翼弦長さ(163)を有する複数の第1の翼弦セクション(162)及び該第1の翼弦長さ(163)と異なる第2の翼弦長さ(165)を有する複数の第2の翼弦セクション(164)によって形成され、
前記第1の翼弦セクションの少なくとも1つが、前記後縁において前記翼形部正圧側面から外向きに延び、
前記第2の翼弦セクションの少なくとも1つが、前記後縁において前記翼形部負圧側面から外向きに延び、
前記後縁は、前記翼形部のブレードの根元部分(54)から先端部分(52)までの長さを有し、
前記後縁(150)が、該後縁に沿って延びる複数の間隔を置いた複数の波形形状突出部(160)を含み、該波形形状突出部の各々は、波形先端(166)を備え、
隣接する前記波形形状突出部の波形先端間距離(182)は、前記第1の翼弦長さ(163)の所定のパーセンテージの範囲内にあり、
前記波形形状突出部は、少なくとも、実質的に対称であるか、実質的に非対称であり、
前記前縁(48)から前記後縁(150)までの間における、前記負圧及び正圧側面(46、44)間の厚さ(186、188)が、スパン方向で変化し、
前記第1の翼弦セクション(162)が第1の厚さ(186)を有し、前記第2の翼弦セクション(164)が前記第1の厚さ(186)と異なる第2の厚さ(188)を有し、
前記複数の第1の部分が各々、前記複数の第2の部分の各々間に形成され、
前記後縁(150)が、少なくとも1つのトラフ部分(168)をさらに含み、
各前記トラフ部分(168)が、少なくとも1対の前記隣接する間隔を置いた波形形状突出部(160)間に形成される
ことを特徴とする、翼形部(142)。 - 前記所定のパーセンテージの範囲が、0〜50%である、請求項1に記載の翼形部(142)。
- 前記所定のパーセンテージの範囲が、0〜30%である、請求項1に記載の翼形部(142)。
- エンジン(10)で使用するロータ組立体であって、
ロータディスク(15)と、
請求項1乃至3のいずれか1項に記載された、複数の翼形部(142)と
を備え、
前記複数の翼形部のブレードが、前記ロータディスクに結合された、
ロータ組立体。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/774,762 US8083487B2 (en) | 2007-07-09 | 2007-07-09 | Rotary airfoils and method for fabricating same |
US11/774,762 | 2007-07-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009013984A JP2009013984A (ja) | 2009-01-22 |
JP5551856B2 true JP5551856B2 (ja) | 2014-07-16 |
Family
ID=39580223
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008176407A Expired - Fee Related JP5551856B2 (ja) | 2007-07-09 | 2008-07-07 | 回転機械で使用する翼形部及びそれを製作する方法 |
Country Status (4)
Country | Link |
---|---|
US (2) | US8083487B2 (ja) |
EP (1) | EP2014870B1 (ja) |
JP (1) | JP5551856B2 (ja) |
CN (1) | CN101344014B (ja) |
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2007
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-
2008
- 2008-06-20 EP EP08158643.0A patent/EP2014870B1/en not_active Expired - Fee Related
- 2008-07-07 JP JP2008176407A patent/JP5551856B2/ja not_active Expired - Fee Related
- 2008-07-08 CN CN2008101314180A patent/CN101344014B/zh active Active
-
2011
- 2011-08-22 US US13/214,671 patent/US8419372B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN101344014B (zh) | 2013-10-30 |
US20090013532A1 (en) | 2009-01-15 |
US8419372B2 (en) | 2013-04-16 |
CN101344014A (zh) | 2009-01-14 |
JP2009013984A (ja) | 2009-01-22 |
US8083487B2 (en) | 2011-12-27 |
EP2014870A3 (en) | 2013-10-09 |
EP2014870A2 (en) | 2009-01-14 |
US20110305579A1 (en) | 2011-12-15 |
EP2014870B1 (en) | 2016-10-05 |
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