EP3242759A4 - Auxetic structures with distorted projection slots in engineered patterns to provide npr behavior and improved stress performance - Google Patents

Auxetic structures with distorted projection slots in engineered patterns to provide npr behavior and improved stress performance Download PDF

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Publication number
EP3242759A4
EP3242759A4 EP16735532.0A EP16735532A EP3242759A4 EP 3242759 A4 EP3242759 A4 EP 3242759A4 EP 16735532 A EP16735532 A EP 16735532A EP 3242759 A4 EP3242759 A4 EP 3242759A4
Authority
EP
European Patent Office
Prior art keywords
stress performance
improved stress
auxetic structures
distorted projection
npr behavior
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.)
Withdrawn
Application number
EP16735532.0A
Other languages
German (de)
French (fr)
Other versions
EP3242759A1 (en
Inventor
Christopher Booth-Morrison
Mehran FARHANGI
Minh Quan Pham
Farhad JAVID
Katia Bertoldi
Michael James TAYLOR
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.)
Harvard College
Original Assignee
Harvard College
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 Harvard College filed Critical Harvard College
Publication of EP3242759A1 publication Critical patent/EP3242759A1/en
Publication of EP3242759A4 publication Critical patent/EP3242759A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • F23R3/002—Wall structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
    • B23P2700/13—Parts of turbine combustion chambers
    • 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
    • F05D2250/71—Shape curved
    • F05D2250/713—Shape curved inflexed
    • 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
    • F05D2250/75—Shape given by its similarity to a letter, e.g. T-shaped
    • 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
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/50—Intrinsic material properties or characteristics
    • F05D2300/501—Elasticity
    • 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
    • F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
    • F05D2300/605—Crystalline
    • 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
    • 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
    • F23R2900/03041—Effusion cooled combustion chamber walls or domes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Laminated Bodies (AREA)
  • Fuel Cell (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
EP16735532.0A 2015-01-09 2016-01-09 Auxetic structures with distorted projection slots in engineered patterns to provide npr behavior and improved stress performance Withdrawn EP3242759A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201562101852P 2015-01-09 2015-01-09
US201562118830P 2015-02-20 2015-02-20
PCT/US2016/012770 WO2016112369A1 (en) 2015-01-09 2016-01-09 Auxetic structures with distorted projection slots in engineered patterns to provide npr behavior and improved stress performance

Publications (2)

Publication Number Publication Date
EP3242759A1 EP3242759A1 (en) 2017-11-15
EP3242759A4 true EP3242759A4 (en) 2018-09-26

Family

ID=56356522

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16735532.0A Withdrawn EP3242759A4 (en) 2015-01-09 2016-01-09 Auxetic structures with distorted projection slots in engineered patterns to provide npr behavior and improved stress performance

Country Status (7)

Country Link
US (1) US20170370581A1 (en)
EP (1) EP3242759A4 (en)
JP (1) JP2018504557A (en)
CN (1) CN108290198A (en)
CA (1) CA2973385A1 (en)
RU (1) RU2017126609A (en)
WO (1) WO2016112369A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016206022A1 (en) * 2016-04-12 2017-10-12 Siemens Aktiengesellschaft Seal for turbomachinery
CN109344443A (en) * 2018-09-04 2019-02-15 谢亿民工程科技南京有限公司 A method of designing three-dimensional negative poisson's ratio Meta Materials
US11771183B2 (en) 2021-12-16 2023-10-03 Joon Bu Park Negative Poisson's ratio materials for fasteners
US11988095B2 (en) 2022-03-03 2024-05-21 General Electric Company Seals for managing thermal distortion in a turbomachine and methods for building the same

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1452264A1 (en) * 2003-02-27 2004-09-01 Kawasaki Jukogyo Kabushiki Kaisha Method of manufacturing gas turbine part using porous metal
EP1798474A2 (en) * 2005-12-14 2007-06-20 United Technologies Corporation Local cooling hole pattern
US20110059291A1 (en) * 2009-09-07 2011-03-10 Boyce Christopher M Structured materials with tailored isotropic and anisotropic poisson's ratios including negative and zero poisson's ratios
EP2702884A1 (en) * 2012-08-31 2014-03-05 Under Armour, Inc. Articles of apparel including auxetic materials
EP2778344A1 (en) * 2011-11-09 2014-09-17 IHI Corporation Film cooling structure and turbine wing
US20140260281A1 (en) * 2013-03-15 2014-09-18 Rolls-Royce Canada, Ltd. Auxetic structure with stress-relief features
WO2014197059A1 (en) * 2013-03-15 2014-12-11 President And Fellows Of Harvard College Void structures with repeating elongated-aperture pattern
EP3242758A1 (en) * 2015-01-09 2017-11-15 President and Fellows of Harvard College Auxetic structures with angled slots in engineered patterns for customized npr behavior and improved cooling performance

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6427446B1 (en) * 2000-09-19 2002-08-06 Power Systems Mfg., Llc Low NOx emission combustion liner with circumferentially angled film cooling holes
US7546737B2 (en) * 2006-01-24 2009-06-16 Honeywell International Inc. Segmented effusion cooled gas turbine engine combustor
US8652602B1 (en) * 2007-02-28 2014-02-18 William Jacob Spenner Dolla Rotational expansion auxetic structures
US9353783B2 (en) * 2013-03-15 2016-05-31 Rolls-Royce Canada, Ltd. Auxetic locking pin
CA2907048A1 (en) * 2013-03-15 2014-09-25 President And Fellows Of Harvard College Low porosity auxetic sheet

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1452264A1 (en) * 2003-02-27 2004-09-01 Kawasaki Jukogyo Kabushiki Kaisha Method of manufacturing gas turbine part using porous metal
EP1798474A2 (en) * 2005-12-14 2007-06-20 United Technologies Corporation Local cooling hole pattern
US20110059291A1 (en) * 2009-09-07 2011-03-10 Boyce Christopher M Structured materials with tailored isotropic and anisotropic poisson's ratios including negative and zero poisson's ratios
EP2778344A1 (en) * 2011-11-09 2014-09-17 IHI Corporation Film cooling structure and turbine wing
EP2702884A1 (en) * 2012-08-31 2014-03-05 Under Armour, Inc. Articles of apparel including auxetic materials
US20140260281A1 (en) * 2013-03-15 2014-09-18 Rolls-Royce Canada, Ltd. Auxetic structure with stress-relief features
WO2014197059A1 (en) * 2013-03-15 2014-12-11 President And Fellows Of Harvard College Void structures with repeating elongated-aperture pattern
EP3242758A1 (en) * 2015-01-09 2017-11-15 President and Fellows of Harvard College Auxetic structures with angled slots in engineered patterns for customized npr behavior and improved cooling performance

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2016112369A1 *

Also Published As

Publication number Publication date
EP3242759A1 (en) 2017-11-15
JP2018504557A (en) 2018-02-15
RU2017126609A3 (en) 2019-07-17
US20170370581A1 (en) 2017-12-28
RU2017126609A (en) 2019-02-12
CN108290198A (en) 2018-07-17
CA2973385A1 (en) 2016-07-14
WO2016112369A1 (en) 2016-07-14

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