PL448605A1 - System pasywnej kontroli przepływu turbulentnego - Google Patents

System pasywnej kontroli przepływu turbulentnego

Info

Publication number
PL448605A1
PL448605A1 PL448605A PL44860524A PL448605A1 PL 448605 A1 PL448605 A1 PL 448605A1 PL 448605 A PL448605 A PL 448605A PL 44860524 A PL44860524 A PL 44860524A PL 448605 A1 PL448605 A1 PL 448605A1
Authority
PL
Poland
Prior art keywords
control system
passive
flow control
turbulent flow
viscous fluid
Prior art date
Application number
PL448605A
Other languages
English (en)
Inventor
Artur Dróźdż
Witold Elsner
Artur Tyliszczak
Paweł Niegodajew
Original Assignee
Politechnika Częstochowska
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 Politechnika Częstochowska filed Critical Politechnika Częstochowska
Priority to PL448605A priority Critical patent/PL448605A1/pl
Publication of PL448605A1 publication Critical patent/PL448605A1/pl

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C21/00—Influencing air flow over aircraft surfaces by affecting boundary layer flow
    • B64C21/02—Influencing air flow over aircraft surfaces by affecting boundary layer flow by use of slot, ducts, porous areas or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C3/00—Wings
    • B64C3/10—Shape of wings
    • B64C3/14—Aerofoil profile
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
    • F03B3/04—Machines or engines of reaction type; Parts or details peculiar thereto with substantially axial flow throughout rotors, e.g. propeller turbines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
    • F03B3/12—Blades; Blade-carrying rotors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
    • F03B3/12—Blades; Blade-carrying rotors
    • F03B3/121—Blades, their form or construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C3/00—Wings
    • B64C3/10—Shape of wings
    • B64C3/14—Aerofoil profile
    • B64C2003/148—Aerofoil profile comprising protuberances, e.g. for modifying boundary layer flow
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • 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
    • Y02T50/30—Wing lift efficiency

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

Przedmiotem zgłoszenia jest system pasywnej kontroli przepływu turbulentnego, który zmniejsza lub nawet powoduje całkowity zanik turbulentnego oderwania przepływu, gdy lepki płyn opływa ciało, tj. powierzchnie ciała stałego lub ciało stałe poruszające się w lepkim płynie. Ciało fizyczne, które powoduje opór, gdy istnieje względny ruch między ciałem a lepkim płynem, szczególnie dla takich urządzeń jak samoloty oraz turbiny wiatrowe. System pasywnej kontroli przepływu charakteryzuje się tym, że na części ssącej pomiędzy punktem ograniczającym (6) a krawędzią spływu profilu (1) znajduje się pofalowanie (2) i obejmuje od 10% do 70% cięciwy profilu, natomiast okres pofalowania ma do 150% grubości warstwy przyściennej na profilu a amplituda ma od 3% do 5% grubości warstwy przyściennej w wymiarze, A+=150-180, przy czym amplitudy są dodatnie jak i ujemne oraz ä99A+/ë<240.
PL448605A 2024-05-19 2024-05-19 System pasywnej kontroli przepływu turbulentnego PL448605A1 (pl)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL448605A PL448605A1 (pl) 2024-05-19 2024-05-19 System pasywnej kontroli przepływu turbulentnego

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL448605A PL448605A1 (pl) 2024-05-19 2024-05-19 System pasywnej kontroli przepływu turbulentnego

Publications (1)

Publication Number Publication Date
PL448605A1 true PL448605A1 (pl) 2025-11-24

Family

ID=97752685

Family Applications (1)

Application Number Title Priority Date Filing Date
PL448605A PL448605A1 (pl) 2024-05-19 2024-05-19 System pasywnej kontroli przepływu turbulentnego

Country Status (1)

Country Link
PL (1) PL448605A1 (pl)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4442319C1 (de) * 1994-11-29 1996-05-09 Deutsche Forsch Luft Raumfahrt Flügel für Anströmgeschwindigkeiten im hohen Unterschallbereich
DE19703766C1 (de) * 1997-02-01 1998-03-26 Daimler Benz Aerospace Airbus Verfahren zur aktiven Beeinflußung einer Grenzschicht eines umströmten bzw. durchströmten Körpers
CN102003409A (zh) * 2010-12-30 2011-04-06 上海交通大学 用于络筒机离心风机的波纹状结构叶片
CN203743140U (zh) * 2014-02-23 2014-07-30 中国科学院工程热物理研究所 一种减阻肋条
CN107742011A (zh) * 2017-09-26 2018-02-27 南京航空航天大学 叶轮叶片减阻微织构的设计方法
CN114510777A (zh) * 2022-01-06 2022-05-17 南京航空航天大学 一种适用于低雷诺数飞行器旋翼的表面结构及设计方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4442319C1 (de) * 1994-11-29 1996-05-09 Deutsche Forsch Luft Raumfahrt Flügel für Anströmgeschwindigkeiten im hohen Unterschallbereich
DE19703766C1 (de) * 1997-02-01 1998-03-26 Daimler Benz Aerospace Airbus Verfahren zur aktiven Beeinflußung einer Grenzschicht eines umströmten bzw. durchströmten Körpers
CN102003409A (zh) * 2010-12-30 2011-04-06 上海交通大学 用于络筒机离心风机的波纹状结构叶片
CN203743140U (zh) * 2014-02-23 2014-07-30 中国科学院工程热物理研究所 一种减阻肋条
CN107742011A (zh) * 2017-09-26 2018-02-27 南京航空航天大学 叶轮叶片减阻微织构的设计方法
CN114510777A (zh) * 2022-01-06 2022-05-17 南京航空航天大学 一种适用于低雷诺数飞行器旋翼的表面结构及设计方法

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