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class="home-main container clearfix"><div id="ktv8l2q" class="twoCol"><div id="3wl2vuq" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應</a>?<a href="http://www.cdcfah.com/cp/first-_wjgj/">五金、工具</a>?<a href="http://www.cdcfah.com/cp/second-wjgj_qdyjcg/">氣動元件</a>?<a href="http://www.cdcfah.com/cp/third-qdyjcg_qtqdyjtn/">其他氣動元件</a>?浙江卷管器流體設備歡迎來電上海邁頜信息科技供應</p><div id="ytyqi8j" class="leftbox clearfix"><h1>浙江卷管器流體設備歡迎來電上海邁頜信息科技供應</h1><div id="sr37uw8" class="proBig"><div id="wa3j7fd" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shanghaimaihe/637382847485917969/7859491.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="jaczwnc" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shanghaimaihe/637382847485917969/7859491.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="xbyahoq" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關鍵詞：</span>浙江卷管器流體設備,流體</p><p><span>***更新：</span>2020-12-23 01:11:59</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="hrolnkb" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海邁頜信息科技有限公司</a></p><p><span>聯(lián)系人：</span>王欽</p><p><span>郵箱: </span>834334323@qq.com</p><p><span>電話: </span>18917232386</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.maihetech.com</p><p><span>手機: </span>021-62086881</p><p><span>地址: </span>上海市松江區(qū)九亭鎮(zhèn)九亭中心路1158號21幢708室-2A</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="lvnp8c2" class="page-proshow02"><p class="title">詳細說明</p><div id="voqcjqh" class="box"><p><p style="text-indent:25px">聯(lián)軸器可分為剛性聯(lián)軸器和撓性聯(lián)軸器兩大類。剛性聯(lián)軸器不具有緩沖性和補償兩軸線相對位移的能力，要求兩軸嚴格對中，浙江卷管器流體設備，但此類聯(lián)軸器結構簡單，制造成本較低，浙江卷管器流體設備，裝拆．、維護方便，能保證兩軸有較高的對中性，傳遞轉矩較大，應用普遍。常用的有凸緣聯(lián)軸器、套筒聯(lián)軸器和夾殼聯(lián)軸器等。撓性聯(lián)軸器又可分為無彈性元件撓性聯(lián)軸器和有彈性元件撓性聯(lián)軸器，前一類只具有補償兩軸線相對位移的能力，但不能緩沖減振，常見的有滑塊聯(lián)軸器、齒式聯(lián)軸器，浙江卷管器流體設備、萬向聯(lián)軸器和鏈條聯(lián)軸器等；后一類因含有彈性元件，除具有補償兩軸線相對位移的能力外，還具有緩沖和減振作用，但傳遞的轉矩因受到彈性元件強度的限制，一般不及無彈性元件撓性聯(lián)軸器，常見的有彈性套柱銷聯(lián)軸器、彈性柱銷聯(lián)軸器、梅花形聯(lián)軸器、輪胎式聯(lián)軸器、蛇形彈簧聯(lián)軸器和簧片聯(lián)軸器等。流體粘度高的，分子好比5年后的雷神，走不動道，移動起來十分緩慢。浙江卷管器流體設備</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江卷管器流體設備,流體" src="https://tyunfile.71360.com/UploadFile/shanghaimaihe/637382847485917969/7859491.png"></div><p style="text-indent:25px">高分子聚合物的濃溶液和懸浮液等一般為非牛頓流體。聚乙烯、聚丙烯酰胺、聚氯乙烯、尼龍6、PVS、賽璐珞、滌綸、橡膠溶液、各種工程塑料、化纖的熔體、溶液等，都是非牛頓流體。石油、泥漿、水煤漿、陶瓷漿、紙漿、油漆、油墨、牙膏、家蠶絲再生溶液、鉆井用的洗井液和完井液、磁漿、某些感光材料的涂液、泡沫、液晶、高含沙水流、泥石流、地幔等也都是非牛頓流體。食品工業(yè)中的番茄汁、淀粉液、蛋清、蘋果漿、濃糖水、醬油、果醬、煉乳、瓊脂、土豆?jié){、熔化巧克力、面團、米粉團、以及魚糜、肉糜等各種糜狀食品物料也都是非牛頓流體。浙江卷管器流體設備對于完全沒有粘性的流體稱為理想流體。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江卷管器流體設備,流體" src="https://tyunfile.71360.com/UploadFile/shanghaimaihe/637382847491845703/4410210.png"></div><p style="text-indent:25px">理想流體和實際流體：根據(jù)流體粘性的差別，可將流體分為兩大類，即理想流體和實際流體。自然界中存在的流體都具有粘性，統(tǒng)稱為粘性流體或實際流體。對于完全沒有粘性的流體稱為理想流體。這種流體*是一種假想，實際并不存在。但是，引進理想流體的概念是有實際意義的。因為，粘性的問題十分復雜，影響因素很多，這對研究實際流體的帶來很大的困難。因此，常常先把問題簡化為不考慮粘性因素的理想流體，找出規(guī)律后再考慮粘性的影響進行修正。這種修正，常常由于理論分析不能完全解決而借助于試驗研究的手段。另外，在很多實際問題中粘滯性并不起主要作用。因此，把實際流體在一定條件下，可當作理想流體處理，這樣既抓住了主要矛盾又使問題地簡化。</p><p style="text-indent:25px">聯(lián)軸器是將兩軸軸向聯(lián)接起來并傳遞扭矩及運動的部件并具有一定的補償兩軸偏移的能力，為了減少機械傳動系統(tǒng)的振動、降低沖擊尖峰載荷，聯(lián)軸器還應具有一定的緩沖減震性能。聯(lián)軸器有時也兼有過載安全保護作用。聯(lián)軸器屬于機械通用零部件范疇，用來聯(lián)接不同機構中的兩根軸（主動軸和從動軸）使之共同旋轉以傳遞扭矩的機械零件。在高速重載的動力傳動中，有些聯(lián)軸器還有緩沖、減振和提高軸系動態(tài)性能的作用。聯(lián)軸器由兩半部分組成，分別與主動軸和從動軸聯(lián)接。一般動力機大都借助于聯(lián)軸器與工作機相聯(lián)接，是機械產(chǎn)品軸系傳動較常用的聯(lián)接部件。20世紀后期國內(nèi)外聯(lián)軸器產(chǎn)品發(fā)展很快，在產(chǎn)品設計時如何從品種甚多、性能各異的各種聯(lián)軸器中選用能滿足機器要求的聯(lián)軸器，對多數(shù)設計人員來講，始終是一個困擾的問題。常用聯(lián)軸器有膜片聯(lián)軸器，鼓形齒式聯(lián)軸器，萬向聯(lián)軸器，安全聯(lián)軸器，彈性聯(lián)軸器及蛇形彈簧聯(lián)軸器。在工程計算中亦常常采用流體的動力粘度與其密度的比值稱為運動粘度或運動粘滯系數(shù)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江卷管器流體設備,流體" src="https://tyunfile.71360.com/UploadFile/shanghaimaihe/637382847541308594/3214234.png"></div><p style="text-indent:25px">20世紀60年代，根據(jù)結構力學和固體力學的需要，出現(xiàn)了計算彈性力學問題的有限元法。經(jīng)過十多年的發(fā)展，有限元分析這項新的計算方法又開始在流體力學中應用，尤其是在低速流和流體邊界形狀甚為復雜問題中，優(yōu)越性更加明顯。如今來又開始了用有限元方法研究高速流的問題，也出現(xiàn)了有限元方法和差分方法的互相滲透和融合。巨大進展是和采用各種數(shù)學分析方法和建立大型、精密的實驗設備和儀器等研究手段分不開的。從50年代起，電子計算機不斷完善，使原來用分析方法難以進行研究的課題，可以用數(shù)值計算方法來進行，出現(xiàn)了計算流體力學這一新的分支學科。與此同時，由于民用和生產(chǎn)的需要，液體動力學等學科也有很大進展。氣體所占的體積是同質量液體的103倍，所以氣體的分子距與液體相比要大得多。浙江卷管器流體設備</p><p style="text-indent:25px">流體是由大量的、不斷地作熱運動而且無固定平衡位置的分子構成的。浙江卷管器流體設備</p><p style="text-indent:25px">流體的均勻流與非均勻流: 如果總的有效斷面或平均流速沿流程不變，各有效斷面上相應點的流速業(yè)不變，且流線為平行直線，這樣的穩(wěn)定流動稱為均勻流。均勻流中沒有加速度，因而不存在慣性力。當有效斷面沿流程變化，或者有效斷面不變，但各斷面上速度分布改變時這種流動稱為非均勻流。例如，有效斷面收縮或擴大處、圓管轉彎處、流線為夾角不同的曲線或直線等都屬于非均勻流。非均勻流中有加速度，因而存在慣性力。如果有效斷面沿流程變化劇烈或斷面流速分布變化劇烈時，該流動稱為急變流。浙江卷管器流體設備</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2517642.html</p></div></div></div></div></div><div id="dcewyf3" class="page-right twoColRt"><div id="wqxzbs7" class="box01 margin10 clearfix"><h3><a 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