液体、蒸汽和气体流量因子<i>K<sub>v</sub></i><gydF4y2Ba/title> <link href="//www.plisson-sa.com/static/lib/img/apple-touch-icon.png" type="text/css" rel="apple-touch-icon-precomposed"> <link href="//www.plisson-sa.com/www.css" type="text/css" rel="stylesheet"> </head> <body>  <noscript> <iframe src="https://www.plisson-sa.com/ns.html?id=GTM-WH8MKZX" height="0" width="0" style="display:none;visibility:hidden"></iframe> </noscript>  <div id="top"> <div id="logo"> <a href="//www.plisson-sa.com"><img src="//www.plisson-sa.com/static/img/logo.gif" alt="欧宝提款限制" height="60" width="350"></a> </div> <p id="intro" class="smallHide"><a href="//www.plisson-sa.com">欧宝提款限制</a>-工程和技术应用设计的资源、工具和基本信息!张信哲代言欧宝是干嘛的<gydF4y2Ba/p> </div> <div id="center"> <div class="gcse-search"></div> <div id="content"> <h1><a href="//www.plisson-sa.com/kv-coefficients-d_1931.html" title="液体，蒸汽和气体流量因子gydF4y2Ba">液体，蒸汽和气体流量因子<gydF4y2Bai>K<gydF4y2Basub>v<gydF4y2Ba/sub></i></a></h1> <h2>计算流量因子K<gydF4y2Basub>v<gydF4y2Ba/sub>液体、蒸汽和气体用米制单位。<gydF4y2Ba/h2> <div id="adSlotDoc1" class="noPrint"> <div class="right xsmall"> 赞助商链接<gydF4y2Ba/div> <div>  <ins class="adsbygoogle" style="display:block" data-ad-client="ca-pub-3176996020956223" data-ad-slot="2142989441" data-ad-format="auto" data-full-width-responsive="true"></ins> </div> </div> <div id="contentHtml"> <p>通过使用<gydF4y2Baa title="流动的因素gydF4y2Ba" href="//www.plisson-sa.com/flow-coefficient-factor-d_238.html">流动的因素<gydF4y2Ba/a>不同通径、不同类型和不同制造商的阀门的性能可以进行比较。<gydF4y2Ba/p> <p>的<gydF4y2Baa href="//www.plisson-sa.com/flow-coefficient-factor-d_238.html" title="流动的因素gydF4y2Ba">流动的因素<gydF4y2Ba/a>K<gydF4y2Basub>v<gydF4y2Ba/sub>通常是实验确定的吗<gydF4y2Ba/p> <ul> <li>以公制单位计算的流量<gydF4y2Bai>米<gydF4y2Basup>3.<gydF4y2Ba/sup>/ h -<gydF4y2Ba/i>一个阀门将通过一个压降<gydF4y2Bai>1条<gydF4y2Ba/i></li> </ul> <h3>K<gydF4y2Basub>v<gydF4y2Ba/sub>液体<gydF4y2Ba/h3> <p>体积流量:<gydF4y2Ba/p> <p style="padding-left: 30px;"><em>K<gydF4y2Basub>v<gydF4y2Ba/sub>= q (ρ / (1000 (p<gydF4y2Basub>u<gydF4y2Ba/sub>- p<gydF4y2Basub>d<gydF4y2Ba/sub>）））<gydF4y2Basup>1／2<gydF4y2Ba/sup>(1）<gydF4y2Ba/em></p> <p style="padding-left: 30px;"><em>在哪里<gydF4y2Ba/em></p> <p style="padding-left: 30px;"><em>K<gydF4y2Basub>v<gydF4y2Ba/sub>流量系数<gydF4y2Ba/em></p> <p style="padding-left: 30px;"><em>Q =体积流量(m<gydF4y2Basup>3.<gydF4y2Ba/sup>/小时)<gydF4y2Ba/em></p> <p style="padding-left: 30px;"><em>ρ =密度(kg/m<gydF4y2Basup>3.<gydF4y2Ba/sup>）<gydF4y2Ba/em></p> <p style="padding-left: 30px;"><em>p<gydF4y2Basub>u<gydF4y2Ba/sub>=上游压力(bar abs)<gydF4y2Ba/em></p> <p style="padding-left: 30px;"><em><em>p<gydF4y2Basub>d<gydF4y2Ba/sub>=下游压力(bar abs)<gydF4y2Ba/em></em></p> <p>质量流量:<gydF4y2Ba/p> <p style="padding-left: 30px;"><em>K<gydF4y2Basub>v<gydF4y2Ba/sub>= m / (1000<gydF4y2Baem>ρ<gydF4y2Ba/em>(p<gydF4y2Basub>u<gydF4y2Ba/sub>- p<gydF4y2Basub>d<gydF4y2Ba/sub>）)<gydF4y2Basup>1／2<gydF4y2Ba/sup>(1 b)<gydF4y2Ba/em></p> <p style="padding-left: 30px;"><em>在哪里<gydF4y2Ba/em></p> <p style="padding-left: 30px;"><em>M =质量流量(kg/h)<gydF4y2Ba/em></p> <h4>例-水控制阀及Kv值<gydF4y2Ba/h4> <p>K<gydF4y2Basub>v<gydF4y2Ba/sub>有水流的阀门的值<gydF4y2Baem>3000公斤/小时<gydF4y2Ba/em>上游压力<gydF4y2Baem>10条<gydF4y2Ba/em>下游压力<gydF4y2Baem>7条<gydF4y2Ba/em>可以用<gydF4y2Baem>(1 b)<gydF4y2Ba/em>作为<gydF4y2Ba/p> <p style="padding-left: 30px;"><em>K<gydF4y2Basub>v<gydF4y2Ba/sub>=(3000公斤/小时)/(1000(1000公斤/米)<gydF4y2Basup>3.<gydF4y2Ba/sup>)((10巴)<gydF4y2Basub></sub>-(7小节))<gydF4y2Basup>1／2<gydF4y2Ba/sup><br></em></p> <p style="padding-left: 30px;"><em>＝<gydF4y2Baspan style="text-decoration: underline;">1.7<gydF4y2Ba/span></em></p> <ul> <li><a title="水流示意图gydF4y2Ba" href="//www.plisson-sa.com/water-valve-kv-diagram-d_325.html">K<gydF4y2Basub>v<gydF4y2Ba/sub>水流示意图<gydF4y2Ba/a></li> </ul> <h3>K<gydF4y2Basub>v<gydF4y2Ba/sub>饱和蒸汽<gydF4y2Ba/h3> <p><em>p<gydF4y2Basub>d<gydF4y2Ba/sub>> p<gydF4y2Basub>u<gydF4y2Ba/sub>/ 2<gydF4y2Ba/em>：<gydF4y2Ba/p> <p style="padding-left: 30px;"><em>K<gydF4y2Basub>v<gydF4y2Ba/sub>= 0.032 m (v<gydF4y2Basub>d<gydF4y2Ba/sub>/ (p<gydF4y2Basub>u<gydF4y2Ba/sub>- p<gydF4y2Basub>d<gydF4y2Ba/sub>）)<gydF4y2Basup>1／2<gydF4y2Ba/sup>（2）<gydF4y2Ba/em></p> <p style="padding-left: 30px;"><em>在哪里<gydF4y2Ba/em></p> <p style="padding-left: 30px;"><em>M =质量流量(kg/h)<gydF4y2Ba/em></p> <p style="padding-left: 30px;"><em><em>p<gydF4y2Basub>u<gydF4y2Ba/sub>=上游压力(bar abs)<gydF4y2Ba/em></em></p> <p style="padding-left: 30px;"><em>p<gydF4y2Basub>d<gydF4y2Ba/sub>=下游压力(bar abs)<gydF4y2Ba/em></p> <p style="padding-left: 30px;"><em>v<gydF4y2Basub>d<gydF4y2Ba/sub>=下游蒸汽比重<gydF4y2Baem>和实际温度<gydF4y2Ba/em>(m<gydF4y2Basup>3.<gydF4y2Ba/sup>/公斤)<gydF4y2Ba/em></p> <p><em>p<gydF4y2Basub>d<gydF4y2Ba/sub><<gydF4y2Baem>p<gydF4y2Basub>u<gydF4y2Ba/sub>/ 2<gydF4y2Ba/em></em>：<gydF4y2Ba/p> <p style="padding-left: 30px;"><em>K<gydF4y2Basub>v<gydF4y2Ba/sub>= 0.032 m (2 v .<gydF4y2Basub>d2<gydF4y2Ba/sub>/ p<gydF4y2Basub>u<gydF4y2Ba/sub>）<gydF4y2Basup>1／2<gydF4y2Ba/sup>(2 b)<gydF4y2Ba/em></p> <p style="padding-left: 30px;"><em>在哪里<gydF4y2Ba/em></p> <p style="padding-left: 30px;"><em><em>v<gydF4y2Basub>d2<gydF4y2Ba/sub></em>蒸汽在压力下的容积<gydF4y2Baem>p<gydF4y2Basub>u<gydF4y2Ba/sub>/ 2<gydF4y2Ba/em>和实际温度<gydF4y2Baem>(m<gydF4y2Basup>3.<gydF4y2Ba/sup>/公斤)<gydF4y2Ba/em><br></em></p> <h3>K<gydF4y2Basub>v<gydF4y2Ba/sub>气体<gydF4y2Ba/h3> <p><em>p<gydF4y2Basub>d<gydF4y2Ba/sub>> p<gydF4y2Basub>u<gydF4y2Ba/sub>/ 2<gydF4y2Ba/em>：<gydF4y2Ba/p> <p style="padding-left: 30px;"><em>K<gydF4y2Basub>v<gydF4y2Ba/sub>= 0.0019 q (<gydF4y2Baem>ρ<gydF4y2Basub>g<gydF4y2Ba/sub></em>T<gydF4y2Basub>u<gydF4y2Ba/sub>/ (p<gydF4y2Basub>d<gydF4y2Ba/sub>(p<gydF4y2Basub>u<gydF4y2Ba/sub>- p<gydF4y2Basub>d<gydF4y2Ba/sub>）)<gydF4y2Basub></sub>）<gydF4y2Basup>1／2<gydF4y2Ba/sup>（3）<gydF4y2Ba/em></p> <p style="padding-left: 30px;"><em>在哪里<gydF4y2Ba/em></p> <p style="padding-left: 30px;"><em>Q =气体的体积流量<gydF4y2Baem>0<gydF4y2Basup>o<gydF4y2Ba/sup>C和1013毫巴<gydF4y2Ba/em>(m<gydF4y2Basup>3.<gydF4y2Ba/sup>/小时)<gydF4y2Ba/em></p> <p style="padding-left: 30px;"><em><em><em>ρ<gydF4y2Basub>g<gydF4y2Ba/sub></em></em>= 0处气体的密度<gydF4y2Basup>o<gydF4y2Ba/sup>C和1013 mbar (kg/m<gydF4y2Basup>3.<gydF4y2Ba/sup>）<gydF4y2Ba/em></p> <p style="padding-left: 30px;"><em><em>T<gydF4y2Basub>u<gydF4y2Ba/sub>=上游温度(K)<gydF4y2Ba/em></em></p> <p style="padding-left: 30px;"><em><em>p<gydF4y2Basub>u<gydF4y2Ba/sub>=上游压力(bar abs)<gydF4y2Ba/em></em></p> <p style="padding-left: 30px;"><em>p<gydF4y2Basub>d<gydF4y2Ba/sub>=下游压力(bar abs)<gydF4y2Babr></em></p> <p><em>p<gydF4y2Basub>d<gydF4y2Ba/sub>< p<gydF4y2Basub>u<gydF4y2Ba/sub>/ 2<gydF4y2Ba/em>：<gydF4y2Ba/p> <p style="padding-left: 30px;"><em>K<gydF4y2Basub>v<gydF4y2Ba/sub>= 0.0039 q (<gydF4y2Baem>ρ<gydF4y2Basub>g<gydF4y2Ba/sub></em>T<gydF4y2Basub>u<gydF4y2Ba/sub>）<gydF4y2Basup>1／2<gydF4y2Ba/sup>/ p<gydF4y2Basub>u<gydF4y2Ba/sub>(3 b)<gydF4y2Ba/em></p> </div> <div id="adSlotDoc2" class="noPrint"> <div class="right xsmall"> 赞助商链接<gydF4y2Ba/div> <div>  <ins class="adsbygoogle" style="display:block" data-ad-client="ca-pub-3176996020956223" data-ad-slot="7558967655" data-ad-format="auto" data-full-width-responsive="true"></ins> </div> </div> <h2>相关的话题<gydF4y2Ba/h2> <ul class="relatedList"> <li><a href="//www.plisson-sa.com/control-valves-t_45.html" title=""><b>控制阀<gydF4y2Ba/b></a>-控制阀术语、阀体、阀内件、流量特性、Cv和Kv通径、噪声、执行器和定位器<gydF4y2Ba/li> </ul> <h2>相关文档<gydF4y2Ba/h2> <ul class="relatedList"> <li><a href="//www.plisson-sa.com/butterfly-valves-flow-coefficients-d_224.html" title=""><b>蝶阀-流量系数<gydF4y2Baem>C<gydF4y2Ba/em><sub><em>v<gydF4y2Ba/em></sub></b></a>-典型流量系数-<gydF4y2Baem>C<gydF4y2Ba/em><sub><em>v<gydF4y2Ba/em></sub>-用于蝶阀。<gydF4y2Ba/li> <li><a href="//www.plisson-sa.com/adding-kv-cv-d_1120.html" title=""><b>控制阀-为串联或并联的阀门增加流量系数<gydF4y2Ba/b></a>-如何为串联或并联的控制阀增加流量系数。<gydF4y2Ba/li> <li><a href="//www.plisson-sa.com/flow-coefficient-factor-d_238.html" 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