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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</秒ub></i></a></h1> <h2>计算流量因子K<gydF4y2Basub>v</秒ub>液体、蒸汽和气体用米制单位。</小时2> <div class="right xsmall"> 赞助商链接<gydF4y2Ba/div> <amp-ad width="100vw" height="320" type="adsense" data-ad-client="ca-pub-3176996020956223" data-ad-slot="5814257017" data-auto-format="rspv" data-full-width=""> <div overflow=""></div> </amp-ad> <div id="contentHtml"> <p>通过使用<gydF4y2Baa title="流动的因素gydF4y2Ba" href="//www.plisson-sa.com/amp/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/amp/flow-coefficient-factor-d_238.html" title="流动的因素gydF4y2Ba">流动的因素<gydF4y2Ba/a>K<gydF4y2Basub>v</秒ub>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.</秒up>/ 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</秒ub>液体</小时3.> <p>体积流量:<gydF4y2Ba/p> <p class="paddingLeft"><em>K<gydF4y2Basub>v</秒ub>= q (ρ / (1000 (p<gydF4y2Basub>u</秒ub>- p<gydF4y2Basub>d</秒ub>）））<gydF4y2Basup>1／2</秒up>(1）<gydF4y2Ba/em></p> <p class="paddingLeft"><em>在哪里<gydF4y2Ba/em></p> <p class="paddingLeft"><em>K<gydF4y2Basub>v</秒ub>流量系数<gydF4y2Ba/em></p> <p class="paddingLeft"><em>Q =体积流量(m<gydF4y2Basup>3.</秒up>/小时)<gydF4y2Ba/em></p> <p class="paddingLeft"><em>ρ =密度(kg/m<gydF4y2Basup>3.</秒up>）<gydF4y2Ba/em></p> <p class="paddingLeft"><em>p<gydF4y2Basub>u</秒ub>=上游压力(bar abs)<gydF4y2Ba/em></p> <p class="paddingLeft"><em><em>p<gydF4y2Basub>d</秒ub>=下游压力(bar abs)<gydF4y2Ba/em></em></p> <p>质量流量:<gydF4y2Ba/p> <p class="paddingLeft"><em>K<gydF4y2Basub>v</秒ub>= m / (1000<gydF4y2Baem>ρ<gydF4y2Ba/em>(p<gydF4y2Basub>u</秒ub>- p<gydF4y2Basub>d</秒ub>）)<gydF4y2Basup>1／2</秒up>(1 b)<gydF4y2Ba/em></p> <p class="paddingLeft"><em>在哪里<gydF4y2Ba/em></p> <p class="paddingLeft"><em>M =质量流量(kg/h)<gydF4y2Ba/em></p> <h4>例-水控制阀及Kv值</小时4> <p>K<gydF4y2Basub>v</秒ub>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 class="paddingLeft"><em>K<gydF4y2Basub>v</秒ub>=(3000公斤/小时)/(1000(1000公斤/米)<gydF4y2Basup>3.</秒up>)((10巴)<gydF4y2Basub></sub>-(7小节))<gydF4y2Basup>1／2</秒up><br></em></p> <p class="paddingLeft"><em>＝<gydF4y2Baspan>1.7</秒pan></em></p> <ul> <li><a title="水流示意图gydF4y2Ba" href="//www.plisson-sa.com/amp/water-valve-kv-diagram-d_325.html">K<gydF4y2Basub>v</秒ub>水流示意图<gydF4y2Ba/a></li> </ul> <h3>K<gydF4y2Basub>v</秒ub>饱和蒸汽</小时3.> <p><em>p<gydF4y2Basub>d</秒ub>> p<gydF4y2Basub>u</秒ub>/ 2<gydF4y2Ba/em>：<gydF4y2Ba/p> <p class="paddingLeft"><em>K<gydF4y2Basub>v</秒ub>= 0.032 m (v<gydF4y2Basub>d</秒ub>/ (p<gydF4y2Basub>u</秒ub>- p<gydF4y2Basub>d</秒ub>）)<gydF4y2Basup>1／2</秒up>（2）<gydF4y2Ba/em></p> <p class="paddingLeft"><em>在哪里<gydF4y2Ba/em></p> <p class="paddingLeft"><em>M =质量流量(kg/h)<gydF4y2Ba/em></p> <p class="paddingLeft"><em><em>p<gydF4y2Basub>u</秒ub>=上游压力(bar abs)<gydF4y2Ba/em></em></p> <p class="paddingLeft"><em>p<gydF4y2Basub>d</秒ub>=下游压力(bar abs)<gydF4y2Ba/em></p> <p class="paddingLeft"><em>v<gydF4y2Basub>d</秒ub>=下游蒸汽比重<gydF4y2Baem>和实际温度<gydF4y2Ba/em>(m<gydF4y2Basup>3.</秒up>/公斤)<gydF4y2Ba/em></p> <p><em>p<gydF4y2Basub>d</秒ub><<gydF4y2Baem>p<gydF4y2Basub>u</秒ub>/ 2<gydF4y2Ba/em></em>：<gydF4y2Ba/p> <p class="paddingLeft"><em>K<gydF4y2Basub>v</秒ub>= 0.032 m (2 v .<gydF4y2Basub>d2</秒ub>/ p<gydF4y2Basub>u</秒ub>）<gydF4y2Basup>1／2</秒up>(2 b)<gydF4y2Ba/em></p> <p class="paddingLeft"><em>在哪里<gydF4y2Ba/em></p> <p class="paddingLeft"><em><em>v<gydF4y2Basub>d2</秒ub></em>蒸汽在压力下的容积<gydF4y2Baem>p<gydF4y2Basub>u</秒ub>/ 2<gydF4y2Ba/em>和实际温度<gydF4y2Baem>(m<gydF4y2Basup>3.</秒up>/公斤)<gydF4y2Ba/em><br></em></p> <h3>K<gydF4y2Basub>v</秒ub>气体</小时3.> <p><em>p<gydF4y2Basub>d</秒ub>> p<gydF4y2Basub>u</秒ub>/ 2<gydF4y2Ba/em>：<gydF4y2Ba/p> <p class="paddingLeft"><em>K<gydF4y2Basub>v</秒ub>= 0.0019 q (<gydF4y2Baem>ρ<gydF4y2Basub>g</秒ub></em>T<gydF4y2Basub>u</秒ub>/ (p<gydF4y2Basub>d</秒ub>(p<gydF4y2Basub>u</秒ub>- p<gydF4y2Basub>d</秒ub>）)<gydF4y2Basub></sub>）<gydF4y2Basup>1／2</秒up>（3）<gydF4y2Ba/em></p> <p class="paddingLeft"><em>在哪里<gydF4y2Ba/em></p> <p class="paddingLeft"><em>Q =气体的体积流量<gydF4y2Baem>0<gydF4y2Basup>o</秒up>C和1013毫巴<gydF4y2Ba/em>(m<gydF4y2Basup>3.</秒up>/小时)<gydF4y2Ba/em></p> <p class="paddingLeft"><em><em><em>ρ<gydF4y2Basub>g</秒ub></em></em>= 0处气体的密度<gydF4y2Basup>o</秒up>C和1013 mbar (kg/m<gydF4y2Basup>3.</秒up>）<gydF4y2Ba/em></p> <p class="paddingLeft"><em><em>T<gydF4y2Basub>u</秒ub>=上游温度(K)<gydF4y2Ba/em></em></p> <p class="paddingLeft"><em><em>p<gydF4y2Basub>u</秒ub>=上游压力(bar abs)<gydF4y2Ba/em></em></p> <p class="paddingLeft"><em>p<gydF4y2Basub>d</秒ub>=下游压力(bar abs)<gydF4y2Babr></em></p> <p><em>p<gydF4y2Basub>d</秒ub>< p<gydF4y2Basub>u</秒ub>/ 2<gydF4y2Ba/em>：<gydF4y2Ba/p> <p class="paddingLeft"><em>K<gydF4y2Basub>v</秒ub>= 0.0039 q (<gydF4y2Baem>ρ<gydF4y2Basub>g</秒ub></em>T<gydF4y2Basub>u</秒ub>）<gydF4y2Basup>1／2</秒up>/ p<gydF4y2Basub>u</秒ub>(3 b)<gydF4y2Ba/em></p> </div> <div class="right xsmall"> 赞助商链接<gydF4y2Ba/div> <amp-ad width="100vw" height="320" type="adsense" data-ad-client="ca-pub-3176996020956223" data-ad-slot="6077156487" data-auto-format="rspv" data-full-width=""> <div overflow=""></div> </amp-ad> <h2>相关的话题</小时2> <ul class="relatedList"> <li><a href="//www.plisson-sa.com/amp/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</小时2> <ul class="relatedList"> <li><a href="//www.plisson-sa.com/amp/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/amp/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/amp/flow-coefficient-factor-d_238.html" title=""><b>流量系数<gydF4y2Bai>C<gydF4y2Basub>v</秒ub></i>vs.流量因子<gydF4y2Bai>K<gydF4y2Basub>v</秒ub></i></b></a>-比较流量系数<gydF4y2Baem>C<gydF4y2Basub>v</秒ub></em>流向因素<gydF4y2Baem>K<gydF4y2Ba/em><sub><em>v<gydF4y2Ba/em></sub>．<gydF4y2Ba/li> <li><a href="//www.plisson-sa.com/amp/control-valve-authority-d_1066.html" title=""><b>阀的权威<gydF4y2Ba/b></a>-阀门权威机构表示整个控制阀的压降与整个系统的总压降之间的比率。<gydF4y2Ba/li> <li><a href="//www.plisson-sa.com/amp/water-valve-kv-diagram-d_325.html" title=""><b>水控制阀。流量系数<gydF4y2Baem>K<gydF4y2Basub>v</秒ub></em>图<gydF4y2Ba/b></a>水控制阀的通径。SI单位<gydF4y2Ba/li> <li><a href="//www.plisson-sa.com/amp/control-valves-water-d_265.html" title=""><b>水控制阀-<gydF4y2Bai>K<gydF4y2Basub>v</秒ub></i>计算<gydF4y2Ba/b></a>-设计水过程控制阀及其<gydF4y2Baem>K<gydF4y2Basub>v</秒ub></em>值。<gydF4y2Ba/li> </ul> <div class="right xsmall"> 赞助商链接<gydF4y2Ba/div> <amp-ad 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