亞臨界流
文章推薦指數: 80 %
亞臨界流(sub-critical flow)指明渠流中福祿數(Froude number)小於1.0的流況,流速小,水深大的流況。
水躍(Hydraulic jummp)發生之後的流況。
Forfasternavigation,thisIframeispreloadingtheWikiwandpagefor亞臨界流.
亞臨界流
Connectedto:
{{::readMoreArticle.title}}
维基百科,自由的百科全书
{{bottomLinkPreText}}
{{bottomLinkText}}
ThispageisbasedonaWikipediaarticlewrittenby
contributors(read/edit).
Textisavailableunderthe
CCBY-SA4.0license;additionaltermsmayapply.
Images,videosandaudioareavailableundertheirrespectivelicenses.
Coverphotoisavailableunder{{::mainImage.info.license.name||'Unknown'}}license.
Coverphotoisavailableunder{{::mainImage.info.license.name||'Unknown'}}license.
Credit:
(seeoriginalfile).
亞臨界流
Introduction
{{current.index+1}}of{{items.length}}
Date:{{current.info.dateOriginal||'Unknown'}}
Date:{{(current.info.date|date:'mediumDate')||'Unknown'}}
Credit:
Uploadedby:{{current.info.uploadUser}}on{{current.info.uploadDate|date:'mediumDate'}}
License:{{current.info.license.usageTerms||current.info.license.name||current.info.license.detected||'Unknown'}}
License:{{current.info.license.usageTerms||current.info.license.name||current.info.license.detected||'Unknown'}}
ViewfileonWikipedia
Suggestascoverphoto
Wouldyouliketosuggestthisphotoasthecoverphotoforthisarticle?
Yes,thiswouldmakeagoodchoice
No,nevermind
Thankyouforhelping!
Yourinputwillaffectcoverphotoselection,alongwithinputfromotherusers.
Listentothisarticle
Thanksforreportingthisvideo!
{{result.lang}}
{{result.T}}
Nomatchingarticlesfound
Searchforarticlescontaining:{{search.query}}
ThisbrowserisnotsupportedbyWikiwand:(Wikiwandrequiresabrowserwithmoderncapabilitiesinordertoprovideyouwiththebestreadingexperience.Pleasedownloadanduseoneofthefollowingbrowsers:
Chrome11+
Firefox4+
Safari6.1.2+
InternetExplorer10+
AnextensionyouusemaybepreventingWikiwandarticlesfromloadingproperly.
Ifyou'reusingHTTPSEverywhereoryou'reunabletoaccessanyarticleonWikiwand,pleaseconsiderswitchingtoHTTPS(https://www.wikiwand.com).
SwitchWikiwandtoHTTPS
AnextensionyouusemaybepreventingWikiwandarticlesfromloadingproperly.
IfyouareusinganAd-Blocker,itmighthavemistakenlyblockedourcontent.
YouwillneedtotemporarilydisableyourAd-blockertoviewthispage.
✕
Thisarticlewasjustedited,clicktoreload
ThisarticlehasbeendeletedonWikipedia(Why?)
Backtohomepage
PleaseclickAddinthedialogabove
PleaseclickAllowinthetop-leftcorner,thenclickInstallNowinthedialog
PleaseclickOpeninthedownloaddialog,thenclickInstall
Pleaseclickthe"Downloads"iconintheSafaritoolbar,openthefirstdownloadinthelist,thenclickInstall
{{::$root.activation.text}}
InstallWikiwand
InstallonChrome
InstallonFirefox
Don'tforgettorateus
TellyourfriendsaboutWikiwand!
Gmail
Facebook
Twitter
Link
EnjoyingWikiwand?
Tellyourfriendsandspreadthelove:
ShareonGmail
ShareonFacebook
ShareonTwitter
ShareonBuffer
{{::lang.langAbbreviation}}
{{::lang.langEnglishName}}-{{::lang.langNativeName}}
Yourpreferredlanguages
{{::lang.NameEnglish}}-{{::lang.NameNative}}
Alllanguages
{{::lang.NameEnglish}}-{{::lang.NameNative}}
FollowUs
Don'tforgettorateus
Ourmagicisn'tperfect
Youcanhelpourautomaticcoverphotoselectionbyreportinganunsuitablephoto.
Thisphotoisvisuallydisturbing
Thisphotoisnotagoodchoice
Thankyouforhelping!
Yourinputwillaffectcoverphotoselection,alongwithinputfromotherusers.
Ohno,there'sbeenanerror
[email protected]
Letusknowwhatyou'vedonethatcausedthiserror,whatbrowseryou'reusing,andwhetheryouhaveanyspecialextensions/add-onsinstalled.
Thankyou!
延伸文章資訊
- 1渠流分類穩態等速流曼寧公式複式渠道水躍堰流
水躍. 堰流. 10 - 3. 明渠流(Open Channel Flow) ... 因為流況為等速流,水深不變h1 = h2,通水斷面積不變,. A1 = A2。 ... 渠流的流況可以福祿數...
- 2福祿數- 维基百科,自由的百科全书
在波浪力學中,福祿數代表平均流速與重力波的波速之比。福禄数与马赫数有一些类似。在理论流体力学中,通常不考慮福禄数。比如,齐次的欧拉 ...
- 3斜坡矩形束縮渠道上的水躍特性
本文並進行十四組渠槽實驗,以驗證理論. 共軛水深關係式及探討水躍長度、水躍前後福祿數比及水躍能量損失。結果顯示本. 文所建立之共軛水深關係與實驗結果吻合。實驗量測 ...
- 4strong jump - 強水躍 - 國家教育研究院雙語詞彙
名詞解釋: 當明渠流上游為超臨界流而下游為亞臨界流時,交接處即產生水躍以消能。不同之上游福祿得數將產生各種不同形態之水躍現象。當上游福祿得數等於或大於9時,即 ...
- 5亞臨界流
亞臨界流(sub-critical flow)指明渠流中福祿數(Froude number)小於1.0的流況,流速小,水深大的流況。水躍(Hydraulic jummp)發生之後的流況。