CN111936722B - 用于锥形端壁的端壁造型 - Google Patents

用于锥形端壁的端壁造型 Download PDF

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Publication number
CN111936722B
CN111936722B CN201880092109.9A CN201880092109A CN111936722B CN 111936722 B CN111936722 B CN 111936722B CN 201880092109 A CN201880092109 A CN 201880092109A CN 111936722 B CN111936722 B CN 111936722B
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CN
China
Prior art keywords
end wall
airfoil
inner end
turbine stage
engine axis
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
Application number
CN201880092109.9A
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English (en)
Chinese (zh)
Other versions
CN111936722A (zh
Inventor
R·古斯塔夫森
王理申
F·塔雷米
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Energy Global GmbH and Co KG
Original Assignee
Siemens Energy Global GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens Energy Global GmbH and Co KG filed Critical Siemens Energy Global GmbH and Co KG
Publication of CN111936722A publication Critical patent/CN111936722A/zh
Application granted granted Critical
Publication of CN111936722B publication Critical patent/CN111936722B/zh
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    • 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
    • F01D5/142—Shape, i.e. outer, aerodynamic form of the blades of successive rotor or stator blade-rows
    • F01D5/143—Contour of the outer or inner working fluid flow path wall, i.e. shroud or hub contour
    • 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
    • F01D5/145—Means for influencing boundary layers or secondary circulations
    • 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
    • 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
    • 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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
CN201880092109.9A 2018-03-30 2018-03-30 用于锥形端壁的端壁造型 Active CN111936722B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2018/025310 WO2019190540A1 (en) 2018-03-30 2018-03-30 Endwall contouring for a conical endwall

Publications (2)

Publication Number Publication Date
CN111936722A CN111936722A (zh) 2020-11-13
CN111936722B true CN111936722B (zh) 2023-04-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201880092109.9A Active CN111936722B (zh) 2018-03-30 2018-03-30 用于锥形端壁的端壁造型

Country Status (5)

Country Link
US (1) US11560797B2 (enExample)
EP (1) EP3759318B1 (enExample)
JP (1) JP7230058B2 (enExample)
CN (1) CN111936722B (enExample)
WO (1) WO2019190540A1 (enExample)

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* Cited by examiner, † Cited by third party
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US11639666B2 (en) * 2021-09-03 2023-05-02 Pratt & Whitney Canada Corp. Stator with depressions in gaspath wall adjacent leading edges
US11415012B1 (en) 2021-09-03 2022-08-16 Pratt & Whitney Canada Corp. Tandem stator with depressions in gaspath wall
CN114991876B (zh) * 2022-07-15 2023-07-07 北京航空航天大学 一种部分冠涡轮叶冠周向造型设计方法

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US20170226877A1 (en) * 2016-02-09 2017-08-10 General Electric Company Turbine nozzle profile

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US20070258819A1 (en) * 2006-05-02 2007-11-08 United Technologies Corporation Airfoil array with an endwall protrusion and components of the array
CN103321686A (zh) * 2012-03-23 2013-09-25 通用电气公司 凹凸表面涡轮级
US20140348660A1 (en) * 2013-05-24 2014-11-27 MTU Aero Engines AG Blade cascade and continuous-flow machine
CN106988797A (zh) * 2015-11-11 2017-07-28 通用电气公司 用于涡轮的整合的区段的系统
US20170226877A1 (en) * 2016-02-09 2017-08-10 General Electric Company Turbine nozzle profile

Also Published As

Publication number Publication date
US20210115798A1 (en) 2021-04-22
JP7230058B2 (ja) 2023-02-28
WO2019190540A1 (en) 2019-10-03
EP3759318B1 (en) 2025-10-29
JP2021526606A (ja) 2021-10-07
US11560797B2 (en) 2023-01-24
CN111936722A (zh) 2020-11-13
EP3759318A1 (en) 2021-01-06

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Effective date of registration: 20220609

Address after: Munich, Germany

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Applicant before: SIEMENS AG

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Country or region after: Germany

Address before: Munich, Germany

Patentee before: Siemens energy global Corp.

Country or region before: Germany