Närliggande information

Källa: Jan-Olov Newborg och en liten del är från mig.

 

Related topics

Source: Jan-Olov Newborg and a small part is from me.

 

 

 

 

 

A Physical Description of Flight ©

Understanding Flight

http://home.comcast.net/~clipper-108/lift.htm

 

F18 Soundbarrier and highspeed pass

http://www.algonet.se/~newborg/

 

Bernoulli Versus Newton

http://www.grc.nasa.gov/WWW/K-12/airplane/bernnew.html

 

Operational use of angle of attack (AOA) on modern commercial jet airplanes

http://www.boeing.com/commercial/aeromagazine/aero_12/attack.html

 

Weltner Lift

http://www.rz.uni-frankfurt.de/~weltner/Flight/PHYSIC4.htm

 

Weltner Bernoulli

http://www.informatik.uni-frankfurt.de/~plass/MIS/mis6.html

 

Incorrect theory number three

http://www.grc.nasa.gov/WWW/K-12/airplane/wrong3.html

 

Lift from flow turning

http://www.grc.nasa.gov/WWW/K-12/airplane/right2.html

 

Jef Raskin - Coanda Effect: Understanding Why Wings Work

http://karmak.org/archive/2003/02/coanda_effect.html

 

The Coanda Effect, by Jean-Louis Naudin

http://jnaudin.free.fr/html/coanda.htm 

 

Beaty Gif pictures smokepuls plus SAAB 2000

http://www.diam.unige.it/~irro/gallery.html

 

AIRFOIL DIAGRAMS
http://www.amasci.com/wing/airgif2.html

 

Prof. Colombinis photogallery

http://www.diam.unige.it/~irro/gallery.html

 

Flow around an airfoil

http://www.diam.unige.it/~irro/profilo_e.html

 

Allstar network, Aeronautics Learning Laboratory for Science, Technology, and Research. Henri Marie Coanda

http://www.allstar.fiu.edu/aero/coanda.htm 

 

NASA Dryden Flight Research Center. The Supercritical Airfoil. http://www.nasa.gov/centers/dryden/about/Organizations/Technology/Facts/TF-2004-13-DFRC.html

 

Flying ThingZ

http://flyingthingz.com/

 

Telling tales

The telltales make the trimming of the sails and the steering of the boat easier.

http://www.wb-sails.fi/news/95_11_Tellingtales/Tellingtales.html

 

What is Ground Effect?

WIG, Wing-In-Ground effect. A WIG craft is generally speaking a boat that cruises just above the water surface

http://www.se-technology.com/wig/index.php

 

 

 

Båten Stormfågeln. 

"Tanken med vår propulsion är att bara använda trycksidan på bladet och få kraften i färdriktningen." Och "att åka med liten våt yta på tre åkytor och då får du automatiskt litet motstånd och små vågor." Källa: Jan Ericsson.

 

The boat Fulmar.

"The purpose of our propulsion is to use only the pressure side on the blade and get the force to the direction of travel." And "to travel with a small wet area on three travel surfaces and then you will automatically get reduced drag and small waves." Source: Jan Ericsson.

 

http://www.stormfagel.se/Videoklipp1.htm

http://www.youtube.com/watch?v=XEoic5WiReo 

http://www.dailymotion.com/video/x8aeuq_baten-stormfageln-the-boat-fulmar_tech

http://www.metro.se/se/article/2008/03/25/15/5133-61/

 

 

 

Lift from spinning balls

This website gives a lot of references all back to Newton/Robbins!

 

The Magnus Effect

http://en.wikipedia.org/wiki/Magnus_effect

 

The Swing of a Cricket Ball

http://orca.rsmas.miami.edu/~majumdar/cricket.html

 

 

 

 

 

Wrong lift explanations

Smithsonian

http://www.nasm.si.edu/exhibitions/gal109/gal109.html

 

Wrong Lift explanation explained by "Circulation flow 'creating' the Velocity Field". Dr. John S. Denker online aerodynamic book.

http://www.av8n.com/how/

http://www.av8n.com/how/htm/airfoils.html

 

False Bernoulli explanations

How things fly, an interactive gallery. Bernoulli Brain-Teasers. Activities you can do at home

http://www.nasm.si.edu/exhibitions/gal109/LESSONS/TEXT/TEASERS.HTM

 

 

 

 

 

Varför har det blivit fel?

Man skulle kunna säga att Laplace skapar Lyftkraften, eftersom hastighetsfältet beräknas med hjälp av Laplace. Sedan korrigeras detta med superpositionerad hastighetscirculation. Resultatet i hastighet kan räknas om med hjälp av Bernoulli till indikerat lokalt tryck, men detta är ju ingen lyftkraftsförklaring! Källa: Jan-Olov Newborg

 

Why has it got wrong?

You could say that Laplace creates the aerodynamic lift, since the velocity field is calculated by means of Laplace. Then is this corrected with superpositioned speed circulation. The result in velocity can be recalculated by means of Bernoulli to indicated local pressure, but this is not an explanation of aerodynamic lift!

Source: Jan-Olov Newborg