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История и развитие

Винглет на крыле Boeing 737-800

На пассажирских самолётах аэродинамические законцовки были впервые применены на Boeing 747-400 выпуска 1985 года. C 2009 года данная конструкция применяется на крыльях среднемагистральных самолётов Airbus A-320.

В начале 1990-х гг. Луи Гратцер, главный специалист по аэродинамике компании Aviation Partners, придумал и запатентовал «blended winglet» — сопряжённое крылышко, которое плавно загибается вверх по дуге большого радиуса и имеет большое относительное удлинение. Первое же применение крылышек новой конструкции для модернизации делового самолёта Gulfstream II в 1991 г. позволило сократить расход топлива на 7 %. Столь масштабная экономия за счёт модернизации оказалась беспрецедентной в истории авиации, если не считать переделки всего самолёта или ремоторизации.

Винглеты являются обязательным требованием аэропорта Лондон-Сити к воздушным судам, поэтому когда в 2016 году ирландская авиакомпания CityJet первая в Европе закупила российские самолёты Superjet SSJ-100, она потребовала от компании «Гражданские самолеты Сухого» модернизировать эту новую модель и сделать горизонтальные винглеты.

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Schedule for March 2

1. Los Angeles — Tucson (LAX-TUS)

Domestic flight WN1233 by Southwest Airlines serves route within United States (LAX to TUS). The flight departs Los Angeles terminal «1» on March 2 05:45 (5:45 am) and arrives Tucson on March 2 08:05 (8:05 am). Flight duration is 1h 20m.

WN 1233
Southwest Airlines

Departure
Arrival

05:45 / 5:45 am
08:05 / 8:05 am

March 2, Monday
March 2, Monday

Terminal 1
 

Los Angeles (LAX)
Tucson (TUS)

United States
United States

Flight duration: 1h 20m
Boeing 737-700 (winglets)

WN1233 status

Book tickets

  • All flights from Los Angeles to Tucson
  • All flights from Tucson to Los Angeles
  • Tucson
  • Casas Adobes
  • Oro Valley
  • Sierra Vista
  • Nogales

2. Tucson — Chicago (TUS-MDW)

Domestic flight WN1233 by Southwest Airlines serves route within United States (TUS to MDW). The flight departs Tucson on March 2 08:45 (8:45 am) and arrives Chicago, Chicago Midway on March 2 13:00 (1:00 pm). Flight duration is 3h 15m.

WN 1233
Southwest Airlines

Departure
Arrival

08:45 / 8:45 am
13:00 / 1:00 pm

March 2, Monday
March 2, Monday

Tucson (TUS)
Chicago Midway (MDW)

United States
Chicago, United States

Flight duration: 3h 15m
Boeing 737-700 (winglets)

WN1233 status

Book tickets

  • All flights from Tucson to Chicago
  • All flights from Chicago to Tucson
  • Chicago
  • Michigan City
  • Lincolnwood
  • Schaumburg
  • Merrillville

3. Chicago — Buffalo (MDW-BUF)

Domestic flight WN1233 by Southwest Airlines serves route within United States (MDW to BUF). The flight departs Chicago, Chicago Midway on March 2 13:50 (1:50 pm) and arrives Buffalo, Buffalo Niagara on March 2 16:20 (4:20 pm). Flight duration is 1h 30m.

WN 1233
Southwest Airlines

Departure
Arrival

13:50 / 1:50 pm
16:20 / 4:20 pm

March 2, Monday
March 2, Monday

Chicago Midway (MDW)
Buffalo Niagara (BUF)

Chicago, United States
Buffalo, United States

Flight duration: 1h 30m
Boeing 737-700 (winglets)

WN1233 status

Book tickets

  • All flights from Chicago to Buffalo
  • All flights from Buffalo to Chicago
  • Niagara Falls
  • Buffalo
  • Rochester
  • Ellicottville
  • Amherst

4. Buffalo — Baltimore (BUF-BWI)

Domestic flight WN1233 by Southwest Airlines serves route within United States (BUF to BWI). The flight departs Buffalo, Buffalo Niagara on March 2 16:55 (4:55 pm) and arrives Baltimore, Baltimore-Washington on March 2 18:10 (6:10 pm). Flight duration is 1h 15m.

WN 1233
Southwest Airlines

Departure
Arrival

16:55 / 4:55 pm
18:10 / 6:10 pm

March 2, Monday
March 2, Monday

Buffalo Niagara (BUF)
Baltimore-Washington (BWI)

Buffalo, United States
Baltimore, United States

Flight duration: 1h 15m
Boeing 737-700 (winglets)

WN1233 status

Book tickets

  • All flights from Buffalo to Baltimore
  • All flights from Baltimore to Buffalo
  • Washington
  • Baltimore
  • Arlington
  • Alexandria
  • Gettysburg

5. Baltimore — Atlanta (BWI-ATL)

Domestic flight WN1233 by Southwest Airlines serves route within United States (BWI to ATL). The flight departs Baltimore, Baltimore-Washington on March 2 18:50 (6:50 pm) and arrives Atlanta, Hartsfield-Jackson Atlanta terminal «N» on March 2 21:00 (9:00 pm). Flight duration is 2h 10m.

WN 1233
Southwest Airlines

Departure
Arrival

18:50 / 6:50 pm
21:00 / 9:00 pm

March 2, Monday
March 2, Monday

 
Terminal N

Baltimore-Washington (BWI)
Hartsfield-Jackson Atlanta (ATL)

Baltimore, United States
Atlanta, United States

Flight duration: 2h 10m
Boeing 737-700 (winglets)

WN1233 status

Book tickets

Принцип действия


Сравнение индуктивных вихрей на крыле с традиционной законцовкой и с аэродинамической

Подъёмная сила крыла образуется из-за разности давлений под крылом и над крылом. Из-за разности давлений часть воздуха перетекает через край крыла из области высокого давления снизу в область пониженного давления сверху, образуя при этом концевой вихрь. На образование вихря тратится энергия движения, что приводит к появлению силы индуктивного сопротивления. Концевой вихрь также приводит к перераспределению подъёмной силы по размаху крыла, уменьшая его эффективную площадь и удлинение, и снижая аэродинамическое качество. Установка аэродинамических законцовок помогает добиться оптимальной формы распределения подъёмной силы.

Недостатками использования законцовок крыла являются существенное увеличение влияния на самолет ветра при взлете и посадке, а также более жёсткая болтанка при полёте в турбулентной атмосфере.

Metadata

This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.

Camera manufacturer NIKON
Camera model Nikon SUPER COOLSCAN 5000 ED
Orientation Normal
Horizontal resolution 72 dpi
Vertical resolution 72 dpi
Software used QuickTime 7.6.4
File change date and time 19:58, 7 July 2010
Y and C positioning Centered
Exif version 2.2
Color space sRGB

Schools

This home is within the Oakland Unified School District.
Oakland’s enrollment policy is not based soley on geography. Please check the school district website to see all schools serving this home.

GreatSchools Rating

1/10

New Highland Academy
Public • K to 5 • Choice school

356
Students

2 reviews

0.5 mi
Distance

7/10

Joaquin Miller Elementary School
Public • K to 5 • Choice school

443
Students

26 reviews

4.4 mi
Distance

1/10

Roots International Academy
Public • 6 to 8 • Choice school

273
Students

7 reviews

0.6 mi
Distance

1/10

Independent Study, Sojourner Truth School
Public • K to 12 • Choice school

166
Students

3 reviews

1.9 mi
Distance

3/10

Rudsdale Continuation School
Public • 9 to 12 • Choice school

255
Students
N/A
0 reviews
1.9 mi
Distance

3/10

Madison Park Academy 6-12
Public • 6 to 12 • Choice school

774
Students

4 reviews

2.0 mi
Distance

Captions

Licensingedit

You are free:
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  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
This image, originally posted to Flickr, was reviewed on 6 July 2013 by the administrator or reviewer タチコマ robot, who confirmed that it was available on Flickr under the stated license on that date.

File history

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Date/Time Thumbnail Dimensions User Comment
current 12:07, 6 July 2013 5,197 × 3,481 (9.33 MB) タチコマ robot == {{int:filedesc}} == {{Information |Description=248bm — Amerijet International Boeing 727-227F (winglets); N794AJ@MIA;21.7.2003 |Source=[http://www.flickr.com/photos/46423105@N03/4787684704/ 248bm — Amerijet International Boeing 727-227F (winglets); …

Metadata

This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.

Camera manufacturer NIKON
Camera model Nikon SUPER COOLSCAN 5000 ED
Orientation Normal
Horizontal resolution 72 dpi
Vertical resolution 72 dpi
Software used QuickTime 7.6.4
File change date and time 19:58, 7 July 2010
Y and C positioning Centered
Exif version 2.2
Color space sRGB

Гребневые законцовки

Гребневые законцовки представляют собой горизонтальные кончики крыльев, имеющие больший угол стреловидности, нежели основная часть крыла. Основное назначение таких законцовок — повышение топливной экономичности, улучшенные характеристики при наборе высоты, уменьшение длины разбега при взлёте. Гребневые законцовки позволяют уменьшить индуктивное сопротивление крыла. Испытания данных законцовок в НАСА и Боинге показали, что топливная экономичность с такими законцовками составила 5,5 % против 3,5-4,5 %, которые обеспечивали обычные вертикальные законцовки. Гребневые законцовки уже используются на Boeing 767, Boeing 777, Boeing 787, Boeing 747-8 и Airbus A350.

Евгений Тутлаев

Очень нравится писать о путешествиях и туризме! Открыт и буду рад сотрудничеству с турфирмами, гидами, организаторами путешествий, авиаперевозчиками! Пишите!

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