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id="qfs2kry" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</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(dòng)元件</a>?<a href="http://www.cdcfah.com/cp/third-qdyjcg_qtqdyjtn/">其他氣動(dòng)元件</a>?浙江PU軟管流體元件分類歡迎來電上海邁頜信息科技供應(yīng)</p><div id="rgd7vcj" class="leftbox clearfix"><h1>浙江PU軟管流體元件分類歡迎來電上海邁頜信息科技供應(yīng)</h1><div id="xc7nzln" class="proBig"><div id="x8smnfc" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shanghaimaihe/637382847566328125/174557.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="fkmdk2f" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shanghaimaihe/637382847566328125/174557.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="w3v8nkw" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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(guān)鍵詞：</span>浙江PU軟管流體元件分類,流體</p><p><span>***更新：</span>2020-10-23 15:35:35</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="gvsuwne" 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(jī): </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(hào)21幢708室-2A</p><p>[當(dāng)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="mry2v72" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="gkhelcz" class="box"><p><p style="text-indent:25px">流體包括液體和氣體，具有易流動(dòng)和不能保持一定形狀的特性（與固體相比）。流體和固體在宏觀表象上的差別是因?yàn)闃?gòu)成物質(zhì)的內(nèi)部微觀結(jié)構(gòu)、分子熱運(yùn)動(dòng)和分子間的作用力不同造成的。一定體積***體分子數(shù)目少，分子間作用力小，浙江PU軟管流體元件分類，分子的無規(guī)則熱運(yùn)動(dòng)強(qiáng)烈，浙江PU軟管流體元件分類，故易流動(dòng)。流體在靜止時(shí)不能承受剪應(yīng)力。兩種流體也是不同的，浙江PU軟管流體元件分類。一定質(zhì)量的液體一般都占有固定的體積，若空間或容器的體積大于液體體積，就有會(huì)自由液面存在。而氣體則完全沒有這個(gè)特性。流體與其他物質(zhì)一樣具有質(zhì)量和密度，且有一定的可壓縮性。浙江PU軟管流體元件分類</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江PU軟管流體元件分類,流體" src="https://tyunfile.71360.com/UploadFile/shanghaimaihe/637382847566328125/174557.png"></div><p style="text-indent:25px">聯(lián)軸器的工作轉(zhuǎn)速：聯(lián)軸器工作轉(zhuǎn)速的大小直接關(guān)系到聯(lián)軸器各零件的離心力和彈性元件變形的大小，過大的轉(zhuǎn)速將會(huì)導(dǎo)致磨損增加、潤滑惡化、連接松動(dòng)。聯(lián)軸器額需用轉(zhuǎn)速范圍是根據(jù)聯(lián)軸器不同材料強(qiáng)度所允許的線速度和較大外緣尺寸，經(jīng)計(jì)算確定的。不同材料、品種和規(guī)格的聯(lián)軸器的許用轉(zhuǎn)速范圍不同，在高速運(yùn)轉(zhuǎn)時(shí)應(yīng)選用平衡精度高的聯(lián)軸器，如金屬膜片聯(lián)軸器、齒式聯(lián)軸器等，而不宜選用非金屬彈性元件的撓性聯(lián)軸器，因?yàn)楦咚贂r(shí)非金屬彈性元件會(huì)產(chǎn)生較大的非工作形變。浙江軟管總成流體工具專賣流體在外力（主要是壓力）作用下，其體積或密度發(fā)生變化的性質(zhì)，又稱體積彈性。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江PU軟管流體元件分類,流體" src="https://tyunfile.71360.com/UploadFile/shanghaimaihe/637382847518437500/8034222.png"></div><p style="text-indent:25px">流體性質(zhì)：粘滯性：在工程計(jì)算中亦常常采用流體的動(dòng)力粘度與其密度的比值稱為運(yùn)動(dòng)粘度或運(yùn)動(dòng)粘滯系數(shù)，以v表示，其單位為斯托克。溫度對(duì)流體的粘滯系數(shù)影響很大。溫度升高時(shí)液體的粘滯系數(shù)降低，流動(dòng)性增加。氣體則相反，溫度升高時(shí)，它的粘滯系數(shù)增大。這是因?yàn)橐后w的粘性主要是由分子間的內(nèi)聚力造成的。溫度升高時(shí)，分子間的內(nèi)聚力減小，粘度就要降低。造成氣體粘性的主要原因則是氣體內(nèi)部分子的亂運(yùn)動(dòng)，它使得速度不同的相鄰氣體層之間發(fā)生質(zhì)量和動(dòng)量的交換。當(dāng)溫度升高時(shí)，氣體分子亂運(yùn)動(dòng)的速度加大，速度不同的相鄰氣體層之間的質(zhì)量和動(dòng)量交換隨之加劇。所以，氣體的粘性將增大。流動(dòng)形式：流體流動(dòng)存在兩種運(yùn)動(dòng)狀態(tài)：層流和湍流。倘流速很慢，流體會(huì)分層流動(dòng)，互不混合，此乃層流。倘流速增加，越來越快，流體開始出波動(dòng)性擺動(dòng)，此情況稱之為過渡流。當(dāng)流速繼續(xù)增加，達(dá)到流線不能清楚分辨，會(huì)出現(xiàn)很多漩渦，這便是湍流，又稱作亂流、擾流或紊流。</p><p style="text-indent:25px">流體，是與固體相對(duì)應(yīng)的一種物體形態(tài)，是液體和氣體的總稱。由大量的、不斷地作熱運(yùn)動(dòng)而且無固定平衡位置的分子構(gòu)成的，它的基本特征是沒有一定的形狀并且具有流動(dòng)性。流體與其他物質(zhì)一樣具有質(zhì)量和密度，且有一定的可壓縮性，液體可壓縮性很小，而氣體的可壓縮性較大，在流體的形狀改變時(shí)，流體各層之間也存在一定的運(yùn)動(dòng)阻力（即粘滯性）。當(dāng)流體的粘滯性和可壓縮性很小時(shí)，可近似看作是理想流體，它是人們?yōu)檠芯苛黧w的運(yùn)動(dòng)和狀態(tài)而引入的一個(gè)理想模型，是液壓傳動(dòng)和氣壓傳動(dòng)的介質(zhì)。當(dāng)流體的粘滯性和可壓縮性很小時(shí)，可近似看作是理想流體。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江PU軟管流體元件分類,流體" src="https://tyunfile.71360.com/UploadFile/shanghaimaihe/637382847473994141/8668307.png"></div><p style="text-indent:25px">流體性質(zhì)：粘滯性當(dāng)流體中發(fā)生了層與層之間的相對(duì)運(yùn)動(dòng)時(shí)，速度快的層對(duì)速度慢的層產(chǎn)生了一個(gè)拖動(dòng)力使它加速，而速度慢的流體層對(duì)速度快的就有一個(gè)阻止它向前運(yùn)動(dòng)的阻力，拖動(dòng)力和阻力是大小相等方向相反的一對(duì)力，分別作用在兩個(gè)緊挨著但速度不同的流體層上，這就是流體粘性的表現(xiàn)，稱為內(nèi)摩擦力或叫粘滯力。為了維持流體的運(yùn)動(dòng)就必須消耗能量來克服由于內(nèi)摩擦力產(chǎn)生的能量損失，這就是流體運(yùn)動(dòng)時(shí)會(huì)造成能量損失的原因。實(shí)際上，粘性是流體阻止發(fā)生剪切變形和角變形的一種特性。這是由于內(nèi)聚力的存在和流體層間的動(dòng)量交換而造成的。內(nèi)摩擦力就是這種特性的表現(xiàn)形式。當(dāng)流體處于靜止或各部分之間相對(duì)速度為零時(shí)，流體的粘性就表現(xiàn)不出來，內(nèi)摩擦阻力也就等于零。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(shí)際流體。浙江PU軟管流體元件分類</p><p style="text-indent:25px">對(duì)于完全沒有粘性的流體稱為理想流體。浙江PU軟管流體元件分類</p><p style="text-indent:25px">流體是能流動(dòng)的物質(zhì)，它是一種受任何微小剪切力的作用都會(huì)連續(xù)變形的物體。流體是液體和氣體的總稱。它具有易流動(dòng)性，可壓縮性，黏性。由大量的、不斷地作熱運(yùn)動(dòng)而且無固定平衡位置的分子構(gòu)成的流體，都有一定的可壓縮性，液體可壓縮性很小，而氣體的可壓縮性較大，在流體的形狀改變時(shí)，流體各層之間也存在一定的運(yùn)動(dòng)阻力（即粘滯性）。當(dāng)流體的粘滯性和可壓縮性很小時(shí)，可近似看作是理想流體，它是人們?yōu)檠芯苛黧w的運(yùn)動(dòng)和狀態(tài)而引入的一個(gè)理想模型。浙江PU軟管流體元件分類</p><p style="text-indent:25px">上海邁頜信息科技有限公司致力于機(jī)械及行業(yè)設(shè)備，是一家貿(mào)易型的公司。公司業(yè)務(wù)分為壓縮空氣卷管器-封閉式，MultiFLOW風(fēng)***，TLX系列接頭，F(xiàn)RL過濾器等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供良好的產(chǎn)品和服務(wù)。公司秉持誠信為本的經(jīng)營理念，在機(jī)械及行業(yè)設(shè)備深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點(diǎn)，發(fā)揮人才優(yōu)勢，打造機(jī)械及行業(yè)設(shè)備良好品牌。邁頜科技秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實(shí)”的經(jīng)營理念，全力打造公司的重點(diǎn)競爭力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1677826.html</p></div></div></div></div></div><div id="8ypw7ql" class="page-right twoColRt"><div id="oiugl3x" class="box01 margin10 clearfix"><h3><a 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