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Text of the page (random words):
the table of contents talk wind tunnel add languages page contents not supported in other languages add topic article talk english read edit view history tools tools move to sidebar hide actions read edit add topic view history general what links here related changes upload file permanent link page information get shortened url switch to legacy parser print export download as pdf printable version in other projects appearance move to sidebar hide from wikipedia the free encyclopedia latest comment 1 year ago by charlieff in topic ludwig prandtl and national physics laboratory this article is rated c class on wikipedia s content assessment scale it is of interest to the following wikiprojects aviation aircraft aviation portal this article is within the scope of the aviation wikiproject if you would like to participate please visit the project page where you can join the project and see lists of open tasks and task forces to use this banner please see the full instructions aviation wikipedia wikiproject aviation template wikiproject aviation aviation this article has been checked against the following criteria for b class status referencing and citation criterion not met coverage and accuracy criterion not met structure criterion met grammar and style criterion met supporting materials criterion met this article is supported by the aircraft project engineering mid importance engineering portal this article is within the scope of wikiproject engineering a collaborative effort to improve the coverage of engineering on wikipedia if you would like to participate please visit the project page where you can join the discussion and see a list of open tasks engineering wikipedia wikiproject engineering template wikiproject engineering engineering mid this article has been rated as mid importance on the project s importance scale physics fluid dynamics mid importance physics portal this article is within the scope of wikiproject physics a collaborative effort to improve the coverage of physics on wikipedia if you would like to participate please visit the project page where you can join the discussion and see a list of open tasks physics wikipedia wikiproject physics template wikiproject physics physics mid this article has been rated as mid importance on the project s importance scale this article is supported by fluid dynamics taskforce the following reference s may be useful when improving this article in the future experimental facilities rcast 3 meter wind tunnel university of tokyo cleanup edit latest comment 20 years ago 1 comment 1 person in discussion this article has no flow and it lacks details on some subjects while providing too much detail on others the text needs to be broken up into smaller categories and i would love to see more information and pictures on the different types of wind tunnels willy logan 17 41 20 november 2005 utc reply restructure edit latest comment 12 years ago 5 comments 5 people in discussion i intend to put some time into this article over the next few weeks to help bring it up to standards my background is in aeronautical engineering and specifically in wind tunnel experimentation i am not however a particularly good writer or editor so any help will be appreciated i have a few thoughts on the existing sections and how to better organize the article intro beef it up to provide more accurate current measurement techniques and gear the section to serve as a roadmap for the article history there is a lot of uncited material in here in addition a lot of the material is actually off topic while the research of benjamin robins and his whirling arm is interesting it is not stricly speaking a wind tunnel it is a testing technique that predates wind tunnels and is worthy of mention but perhaps we can create a more suitable topic also this section is sprinkled with asertations that are the author s opinion and as such should be removed this sections also mentions a myrad of other aerospace topics cfd boundary layers human free fall that should be linked to or discussed in a seperate section how it works expand and add supporting graphics wind tunnel classification the present info describes the speed regiems that wind tunnels simulate not the classification or configuration of the wind tunnels them selfs this may be a good subtobic for how it works wind tunnels can also be classified in terms of how they operate open or closed circuit blow or suck moving walls etc or what they simulate aerodynamic atmospheric boundary layer preceding unsigned comment added by 77 73 8 70 talk 12 28 1 february 2008 utc reply well known wind tunnels around the world this section is dangerously looking like a place where people can link to bolster their own work prestiege well known is a very subjective term and as such we should avoid using it we may consider making a list of largest fastest first etc or consider deleting the topic all together see also expand references yea we ll need these external links this should likely be links to sites about wind tunnel testing theory and history we should avoid linking to specific tunnels because a there are far too many of them and b it would serve to bias the article to specific facilities and researchers other thoughts the way i see it this page fits in a larger category of aerodynamic testing along with flight testing test development and cfd please respond with suggestions as i plan on editing next week jeff220 23 21 1 february 2007 utc reply good plan there is no aerodynamic testing article but i think there ought to be the various topics currently on this article that are unrelated to wind tunnels can go under aerodynamic testing i agree that this article should be limited to wind tunnel subjects specifically i agree that there should be an aerodynamic testing article there is currently a section on cfd in this article why not a section that talks about aerodynamic testing in the field our company alphamantis technologies http alphamantis com applies telemetry data to the calculation of drag area for bicycles obviously there is a conflict of interest here because i work for alphamantis but this kind of testing should be covered imo andy froncioni talk 15 00 19 may 2014 utc reply i don t think that well known wind tunnels around the world is necessary a section explaining the different types of wind tunnels subsonic supersonic spin tunnels etc would be useful good luck making these edits willy logan 17 54 4 february 2007 utc reply i think this article could also benefit from a section on common errors in wind tunnel testing to be truly useful to anyone it needs to link to an article on model properties and how they relate i hope to do a fair amount of cfd analysis and wind tunnel testing in the near future so i will do my best to contribute mattbondy talk 03 16 18 february 2009 utc reply edits edit latest comment 19 years ago 1 comment 1 person in discussion the first edit is complete which involved removing the well known section in case anyone still wants to know what was on that list i ve placed it below jeff220 12 29 8 february 2007 utc reply well known wind tunnels around the world photo and remarks by wilbur wright on the replica he built of the wright brothers wind tunnel nasa ames research center moffett field ca usa the largest wind tunnel in the world nasa langley research center hampton va usa the boundary layer wind tunnel laboratory at the university of western ontario london canada cpp inc s boundary layer wind tunnels for buildings and structures fort collins co usa rowan williams davies and irwin rwdi s boundary layer wind tunnels japan association for wind engineering arnold engineering development center tullahoma tennessee mira ltd full scale automotive wind tunnel nuneaton uk fkfs forschungsinstitut für kraftfahrwesen und fahrzeugmotoren stuttgart there are more than just planes edit latest comment 3 years ago 3 comments 3 people in discussion i think that there should be all types of drag on planes but i also think that there should be somthing about the drag effect on cars and trucks the preceding unsigned comment was added by 71 55 62 218 talk 21 05 10 february 2007 utc reply also there should be a separate section on atmospheric boundary layer wind tunnels which are currently randomly discussed in the history section 193 82 249 132 14 15 25 july 2007 utc reply the parachutes for various mars rovers were tested in the 80x120 section of nfac at moffett field back around 2002 i was told by a senior experimental aerodynamicist that parachute deployment was something that could not be handled by cfd software as examples i found the following links related to mars rover parachute tests mars exploration rovers mer parachute tests in 2002 2003 see section titled parachute wind tunnel tests parachute deceleration system testing test for curiosity wind tunnel testing perseverance s parachute test for perservence image and caption only rocketsci talk 18 58 16 december 2022 utc reply list of wind tunnels edit latest comment 15 years ago 2 comments 2 people in discussion there are a lot of wind tunnels around if we think a list is appropriate we should start it as a separate article i ve suggested a few operating characteristics in the table format below facility location tunnel type test section max velocity mach nasa ames sunnyvale california unitary plan wind tunnel transonic closed loop 11 x 11 1 45 nasa ames moffett field california national full scale aerodynamics complex subsonic closed and open loop 40 x 80 closed 80 x 120 open 0 45 does anyone think this is worth doing and if so what characteristics do you think are needed computergeezer talk 01 13 14 april 2008 utc reply interesting thought adding nfac at nasa ames note correct city rocketsci talk 14 07 20 august 2011 utc reply this site is about wind tunnels not about the question of the first succesful heavier than air flight edit sir george cayley 1773 1857 the father of aerodynamics ok thought this title is generally attributed to ludwig prandtl i deleted this because here s not the place to discuss this issue armed with test data from the arm cayley built a small glider that is believed to have been the first successful heavier than air vehicle to carry a man in history yes i know englishmen have invented everything believed to have did he or did he not any proofs which could validate this file national advisory committee for aeronautics wind tests 1946 webm to appear as potd soon edit latest comment 9 years ago 1 comment 1 person in discussion hello this is a note to let the editors of this article know that file national advisory committee for aeronautics wind tests 1946 webm will be appearing as picture of the day on february 11 2017 you can view and edit the potd blurb at template potd 2017 02 11 if this article needs any attention or maintenance it would be preferable if that could be done before its appearance on the main page chris woodrich talk 01 37 7 february 2017 utc reply picture of the day wind tests being conducted on a volunteer at the langley research center in 1946 in these tests under the guidance of the national advisory committee for aeronautics and at the request of the united states navy the volunteer was subjected to wind speeds reaching a maximum of 457 mph 735 km h local wind speeds along the subject s face reached 720 mph 1 160 km h these tests were intended to measure the effects of bailing out of a high speed aircraft on the human body they showed that effects of the wind stream on clothing and gear were in many ways more pronounced than on the subject even at low speeds loose clothing flapped and fluttered violently the helmet and chin strap needed constant readjustment and the helmet s seams began to tear during exposures to 400 mile an hour winds video national advisory committee for aeronautics archive more featured pictures external links modified january 2018 edit latest comment 8 years ago 1 comment 1 person in discussion hello fellow wikipedians i have just modified 2 external links on wind tunnel please take a moment to review my edit if you have any questions or need the bot to ignore the links or the page altogether please visit this simple faq for additional information i made the following changes added archive https web archive org web 20110724145755 http www space co uk databank videogallery videoplayer tabid 384 videoid 33 test pilot discussion aspx to http www space co uk databank videogallery videoplayer tabid 384 videoid 33 test pilot discussion aspx added archive https web archive org web 20110719020415 http www fkfs de english company history to http www fkfs de english company history when you have finished reviewing my changes you may follow the instructions on the template below to fix any issues with the urls this message was posted before february 2018 after february 2018 external links modified talk page sections are no longer generated or monitored by internetarchivebot no special action is required regarding these talk page notices other than regular verification using the archive tool instructions below editors have permission to delete these external links modified talk page sections if they want to de clutter talk pages but see the rfc before doing mass systematic removals this message is updated dynamically through the template source check last update 5 june 2024 if you have discovered urls which were erroneously considered dead by the bot you can report them with this tool if you found an error with any archives or the urls themselves you can fix them with this tool cheers internetarchivebot report bug 05 00 22 january 2018 utc reply usaac not usaf edit latest comment 6 years ago 1 comment 1 person in discussion at the end of the section titled widespread usage there is a reference to general hap arnold and the usaf in 1939 there was no such thing as a united states air force in 1939 at that time it was the united states army air corps or usaac 173 62 25 90 talk 15 52 23 january 2020 utc reply ludwig prandtl and national physics laboratory edit latest comment 1 year ago 1 comment 1 person in discussion it s interesting to note the potential connection between ludwig prandtl and the national physics laboratory in the early 1900 s and the royal aircraft establishment factory in farnborough hampshire with the building and opening of the 24foot wind tunnel in april 1935 charlieff talk 10 40 2 april 2025 utc reply retrieved from https en wikipedia org w index php title talk wind_tunnel oldid 1346683821 categories c class aviation articles c class aircraft articles wikiproject aircraft articles wikiproject aviation articles c class engineering articles mid importance engineering articles wikiproject engineering articles c class physics articles mid importance physics articles c class physics articles of mid importance c class fluid dynamics articles fluid dynamics articles hidden categories aviation articles needing attention to ref...