JP5419339B2 - 最新式ブースタロータブレード - Google Patents
最新式ブースタロータブレード Download PDFInfo
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- JP5419339B2 JP5419339B2 JP2007307217A JP2007307217A JP5419339B2 JP 5419339 B2 JP5419339 B2 JP 5419339B2 JP 2007307217 A JP2007307217 A JP 2007307217A JP 2007307217 A JP2007307217 A JP 2007307217A JP 5419339 B2 JP5419339 B2 JP 5419339B2
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- Prior art keywords
- blade
- airfoil
- span
- root
- leading edge
- Prior art date
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- Expired - Fee Related
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Classifications
-
- 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
- F04D29/38—Blades
- F04D29/384—Blades characterised by form
-
- 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
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- 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
- F05D2240/10—Stators
- F05D2240/12—Fluid guiding means, e.g. vanes
- F05D2240/121—Fluid guiding means, e.g. vanes related to the leading edge of a stator vane
-
- 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
- F05D2240/10—Stators
- F05D2240/12—Fluid guiding means, e.g. vanes
- F05D2240/122—Fluid guiding means, e.g. vanes related to the trailing edge of a stator vane
-
- 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
- F05D2240/303—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the leading edge of a rotor blade
-
- 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
- F05D2240/304—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the trailing edge of a rotor blade
-
- 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
- F05D2250/30—Arrangement of components
- F05D2250/31—Arrangement of components according to the direction of their main axis or their axis of rotation
-
- 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
- F05D2250/70—Shape
-
- 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)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
8 圧縮段
11 入口案内ベーン段
14 複数のロータブレード
15 縦方向中心軸線
17 ステータ段
18 ロータ段
18 複数のロータ段
19 ロータハブ
40 ステータベーン
42 ベーン前縁
43 ベーン後縁
44 ベーン正圧側面
45 ベーン負圧側面
46 根元
48 先端
50 ロータブレード翼形部
52 ブレード前縁
53 ブレード後縁
54 ブレード根元
55 ブレード先端
56 ブレード正圧側面
57 ブレード負圧側面
144 出口スワール分布プロファイル
146 第1の半径位置
147 第1のスパン位置
148 中間半径位置
151 ブレード第1の高さ位置
155 ブレード内側スパン領域
156 ブレード外側スパン領域
252 上反角分布
300 横方向ブレード翼形部セクション
302 最大ブレード翼形部断面厚さ
303 相対距離
Claims (11)
- ガスタービンエンジンロータ用の翼形部(50)であって、
ブレード根元(54)と、ブレード先端(55)と、前記ブレード根元(54)から前記ブレード先端(55)まで延びるブレード前縁(52)と、前記ブレード根元(54)から前記ブレード先端(55)まで延びるブレード後縁(53)と、前記ブレード根元(54)から前記ブレード先端(55)まで半径方向に延びるブレード正圧及び負圧側面(56、57)と、前記ブレード根元(54)及び前記ブレード前縁(52)上のブレード第1の高さ位置(151)間のブレード内側スパン領域(155)と、前記ブレード第1の高さ位置(151)及び前記ブレード先端(55)間のブレード外側スパン領域(156)と、を含み、
前記ブレード根元(54)及びブレード先端(55)間で積み重なった横方向ブレード翼形部セクション(300)が、最大ブレード翼形部断面厚さ(302)を、該翼形部断面最大厚さの前記ブレード前縁(52)からの相対距離(303)が10%スパン〜90%スパンで実質的に線形状態で変化するような該ブレード前縁(52)からの距離に位置した状態で有し、
前記ブレード前縁(52)が、スイープ角が前記ブレード根元(54)から前記ブレード第1の高さ位置(151)までスパン高さに対するスイープ角の実質的に一定である第1の変化率で増大しかつ前記ブレード第1の高さ位置(151)から前記ブレード先端(55)までスパン高さに対するスイープ角の実質的に一定である第2の変化率で増大するようなスイープ角プロファイルを有する、
翼形部(50)。 - 前記スパン高さに対するスイープ角の第1の変化率が、前記スパン高さに対するスイープ角の第2の変化率よりも小さい、請求項1記載の翼形部(50)。
- 前記スパン高さに対するスイープ角の第1の変化率が、前記スパン高さに対するスイープ角の第2の変化率に実質的に等しい、請求項1記載の翼形部(50)。
- 前記ブレード第1の高さ位置(151)が、前記ブレード根元(54)から5%〜15%スパンの位置にある、請求項1記載の翼形部(50)。
- 前記ブレード前縁(52)スイープ角が、前記ブレード内側スパン領域(155)内で負でありかつ前記ブレード外側スパン領域(156)内で正である、請求項1記載の翼形部(50)。
- ガスタービンエンジンロータ用の翼形部(50)であって、
ブレード根元(54)と、ブレード先端(55)と、前記ブレード根元(54)から前記ブレード先端(55)まで延びるブレード前縁(52)と、前記ブレード根元(54)から前記ブレード先端(55)まで延びるブレード後縁(53)と、前記ブレード根元(54)から前記ブレード先端(55)まで半径方向に延びるブレード正圧及び負圧側面(56、57)と、前記ブレード根元(54)及び前記ブレード前縁(52)上のブレード第1の高さ位置(151)間のブレード内側スパン領域(155)と、前記ブレード第1の高さ位置(151)及び前記ブレード先端(55)間のブレード外側スパン領域(156)と、を含み、
前記ブレード根元(54)及びブレード先端(55)間で積み重なった横方向ブレード翼形部セクション(300)が、最大ブレード翼形部断面厚さ(302)を、該翼形部断面最大厚さの前記ブレード前縁(52)からの相対距離(303)が10%スパン〜90%スパンで実質的に線形状態で変化するような該ブレード前縁(52)からの距離に位置した状態で有し、
前記ブレード前縁(52)が、スイープ角が前記ブレード根元(54)から前記ブレード第1の高さ位置(151)までスパン高さに対するスイープ角の実質的に一定である第1の変化率で増大しかつ前記ブレード第1の高さ位置(151)から前記ブレード先端(55)までスパン高さに対するスイープ角の実質的に一定である第2の変化率で増大するようなスイープ角プロファイルを有し、
前記ブレード後縁(53)が、前記ブレード根元(54)と該ブレード根元(54)及び前記ブレード先端(55)間の第2の高さ位置(152)との間の上反角が負であるような上反角分布(252)を有する、
翼形部(50)。 - 前記第2の高さ位置(152)が、前記ブレード根元(54)から60%スパンよりも低い位置にある、請求項6記載の翼形部(50)。
- 前記上反角が、前記ブレード内側スパン領域(155)内で負である、請求項6記載の翼形部(50)。
- 前記スパン高さに対するスイープ角の第1の変化率が、前記スパン高さに対するスイープ角の第2の変化率よりも小さい、請求項6記載の翼形部(50)。
- 複数段のステータ段(S2−S5)を備えるガスタービンエンジンであって、
前記複数段のステータ段(S2−S5)の各々が、請求項1乃至9のいずれか1項に記載の翼形部(50)を備え、
前記複数段のステータ段(S2−S5)の各々の翼形部(50)は、前記ブレード根元(54)からの前記第1の高さ位置(151)が、該ステータ段のさらに後方に設置されたステータ段の翼形部(50)のブレード根元(54)からの第1の高さ位置(151)よりもスパン高さが高いことを特徴とする、ガスタービンエンジン。 - 複数段のステータ段(S2−S5)を備えるガスタービンエンジンであって、
前記複数段のステータ段(S2−S5)の各々が、請求項1乃至9のいずれか1項に記載の翼形部(50)を備え、
前記複数段のステータ段(S2−S5)の各々の翼形部(50)は、前記ブレード根元(54)のスイープ角が、該ステータ段のさらに後方に設置されたステータ段の翼形部(50)のスイープ角よりも大きいことを特徴とする、ガスタービンエンジン。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/606,766 US7967571B2 (en) | 2006-11-30 | 2006-11-30 | Advanced booster rotor blade |
US11/606,766 | 2006-11-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008138678A JP2008138678A (ja) | 2008-06-19 |
JP5419339B2 true JP5419339B2 (ja) | 2014-02-19 |
Family
ID=39125187
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007307217A Expired - Fee Related JP5419339B2 (ja) | 2006-11-30 | 2007-11-28 | 最新式ブースタロータブレード |
Country Status (4)
Country | Link |
---|---|
US (1) | US7967571B2 (ja) |
EP (1) | EP1930598B1 (ja) |
JP (1) | JP5419339B2 (ja) |
CA (1) | CA2611339C (ja) |
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-
2006
- 2006-11-30 US US11/606,766 patent/US7967571B2/en active Active
-
2007
- 2007-11-15 CA CA2611339A patent/CA2611339C/en not_active Expired - Fee Related
- 2007-11-27 EP EP07121584A patent/EP1930598B1/en not_active Expired - Fee Related
- 2007-11-28 JP JP2007307217A patent/JP5419339B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2008138678A (ja) | 2008-06-19 |
EP1930598A2 (en) | 2008-06-11 |
CA2611339A1 (en) | 2008-05-30 |
EP1930598A3 (en) | 2010-06-02 |
CA2611339C (en) | 2015-06-02 |
US20100260609A1 (en) | 2010-10-14 |
EP1930598B1 (en) | 2012-08-22 |
US7967571B2 (en) | 2011-06-28 |
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