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onclick="jQuery('#view-inquiry-fail').hide();jQuery('#view-inquiry').hide();jQuery('#view-inquiry').html(InQuiryHtmlNew);if(location.href.indexOf('inquiry')>-1){window.location.href = location.href}"><i class="Public">?</i></a> <div id="tjfpjf1" class="view-icon"><i class="fail"></i></div> <div id="tjfpjf1" class="view-content"> <b>提交失??！</b> <p>請勿重復(fù)留言！</p> </div> </div> </div> <script type="text/javascript"> function SubmitMessageForInquiry() { var cid = jq.trim(jq("#cid").val()); if (cid == null || cid == "" || cid == "0") { alertBoxShow("提示", "", "無此公司,ID錯(cuò)誤！", function () { location.reload(); }); return; } var InqProduct = jq.trim(jq("#InqProduct").val()); var InqCompany = jq.trim(jq("#InqCompany").val()); var InqName = jq.trim(jq("#InqName").val()); var InqTelphone = jq.trim(jq("#InqTelphone").val()); var InqCode = jq.trim(jq("#InqCode").val()); var orderType = "0"; if (typeof (Post) == "undefined") { Post = ""; } if (typeof (IsNoSend) == "undefined") { IsNoSend = "0"; } if (InqProduct == "" || InqProduct == "產(chǎn)品名稱") { jq("#view-inquiry-fail").show(); jq("#view-inquiry-fail .view-content p").html("請?zhí)顚懏a(chǎn)品名稱") return; } if (InqCompany=="" || InqCompany == "公司名稱(若個(gè)人采購，請?zhí)顐€(gè)人）") { jq("#view-inquiry-fail").show(); jq("#view-inquiry-fail .view-content p").html("請?zhí)顚懝久Q") return; } if (InqName=="" || InqName == "您的稱呼") { jq("#view-inquiry-fail").show(); jq("#view-inquiry-fail .view-content p").html("請?zhí)顚懩姆Q呼") return; } if (InqTelphone == "" || InqTelphone == "聯(lián)系方式（手機(jī)號或固話）") { jq("#view-inquiry-fail").show(); jq("#view-inquiry-fail .view-content p").html("請?zhí)顚懧?lián)系電話") return; } else { if (!IsTel(InqTelphone)) { jq("#view-inquiry-fail").show(); jq("#view-inquiry-fail .view-content p").html("聯(lián)系電話輸入錯(cuò)誤") return; } } if (InqCode == "驗(yàn)證碼") { InqCode = ""; } if (InqCode == "") { jq("#view-inquiry-fail").show(); jq("#view-inquiry-fail .view-content p").html("請?zhí)顚戲?yàn)證碼") return; } // AjaxClass.SendMsgOnlySaveNoSendMegAndReg(cid, InqProduct, "", InqName, InqCompany, InqTelphone, InqEmail, InqContent, InqAddress, InqCode, PvcID, orderType, "", //IsNoSend, WXTel, Post, InquiryOrderCallBack).value; AjaxClass.SendMsgOnlySaveNoSendMegAndReg(cid, InqProduct, "", InqName, InqCompany, InqTelphone, "", "", "", InqCode, "", "", "", "", "", "", InquiryOrderCallBack).value; } function InquiryOrderCallBack(obj) { jsonStr = obj.value; var jsonobj = eval("rrr=" + jsonStr); if (jsonobj.Detail) { var NewOrderID = jsonobj.Detail[0].Success; if (NewOrderID > 0) { //留言成功 AjaxClass.NewSendMsgOnlySaveNoSendMeg_CallBackToSend(NewOrderID, function () { return false; }); jq("#view-inquiry-success").show(); } else { jq("#view-inquiry-fail").show(); switch (jsonobj.Detail[0].Success) { case -1: jq("#view-inquiry-fail .view-content p").html('驗(yàn)證碼失效！請點(diǎn)擊驗(yàn)證碼進(jìn)行刷新操作！') break; case -5: jq("#view-inquiry-fail .view-content p").html("很抱歉，您的信息包含了非法字符(" + jsonobj.Detail[0].DirtyWords + ")，請修改！") break; case -10: jq("#view-inquiry-fail .view-content p").html("留言成功，郵件發(fā)送失??！") break; case -2016001: jq("#view-inquiry-fail .view-content p").html("失敗！您發(fā)送信息太過頻繁！") break; case -2016002: jq("#view-inquiry-fail .view-content p").html("失敗！由于您曾頻繁發(fā)送IP已經(jīng)被封鎖！") break; case 0: jq("#view-inquiry-fail .view-content p").html("提交失敗，請勿重復(fù)留言！") break; default: jq("#view-inquiry-fail .view-content p").html("數(shù)據(jù)寫入失?。?) break; } } } } function ShowTel() { jQuery('#view-contact').show(); } </script> <div id="tjfpjf1" class="detail-left"> <div id="tjfpjf1" class="videoDetail"> <h2>A+K孔板流量計(jì)是如何進(jìn)行流量測量的？</h2> <div id="tjfpjf1" class="time">閱讀：70 發(fā)布時(shí)間：2025-1-10 <div id="tjfpjf1" class="fenxiang" id="Share"> <link rel="stylesheet" > 分享： <div id="tjfpjf1" class="fenxiangDiv bdsharebuttonbox" id="fenxiangDiv"> <a href="#" class="weixin" onclick="javascript:share('weixin');return false;" title="分享到微信"> </a><a href="#" class="qqim" onclick="javascript:share('qqim');return false;" title="分享到QQ好友"> </a><a href="#" class="qq" onclick="javascript:share('qzone');return false;" title="分享到QQ空間"> </a><a href="#" class="weibo" onclick="javascript:share('weibo');return false;" title="分享到新浪微博"> </a> </div> <script type="text/javascript" charset="utf-8"> function share(types) { var title, imageUrl, url, description, keywords; //獲取文章標(biāo)題 title = document.title; //獲取隱藏域中的圖片地址 try { imageUrl = document.getElementById("shareimg").innerHTML; } catch (e) { imageUrl = ""; } //假如圖片為空獲取網(wǎng)頁中的第一張圖片地址作為分享圖 if (imageUrl == "") { try { imageUrl = document.images[0].src; } catch (e) { imageUrl = ""; } } //獲取當(dāng)前網(wǎng)頁url url = document.location.href; url = url.replace("html#", "html"); try { //獲取網(wǎng)頁描述 description = document.querySelector('meta[name="description"]').getAttribute('content'); } catch (e) { description = ""; } try { //獲取網(wǎng)頁關(guān)鍵字 keywords = document.querySelector('meta[name="keywords"]').getAttribute('content'); } catch (e) { keywords = ""; } //qq空間接口的傳參 if (types == 'qzone') { window.open('https://sns.qzone.qq.com/cgi-bin/qzshare/cgi_qzshare_onekey?url=' + url + '&title=' + title + '&pics=' + imageUrl + '&summary=' + description); } //新浪微博接口的傳參 if (types == 'weibo') { window.open('http://service.weibo.com/share/share.php?appkey=583395093&url=' + url + '&title=' + title + '&pic=' + imageUrl); } //qq好友接口的傳參 if (types == 'qqim') { window.open('http://connect.qq.com/widget/shareqq/index.html?url=' + url + '&title=' + title + '&pics=' + imageUrl + '&summary=' + description + '&desc=' + keywords); } //生成二維碼給微信掃描分享 if (types == 'weixin') { //在線二維碼（服務(wù)器性能限制，僅測試使用，屏蔽非大陸ip訪問） window.open('https://www.a-bm.cn/share.aspx?url=' + url); } } </script> </div> </div> <div id="tjfpjf1" class="videoTxt"> <div>　　A+K孔板流量計(jì)是一種差壓式流量儀表，其流量測量原理基于流體力學(xué)中的伯努利方程和連續(xù)性定律。以下是A+K孔板流量計(jì)進(jìn)行流量測量的具體步驟和原理：<br /> </div><div>　　1. <strong>節(jié)流裝置</strong>：A+K孔板流量計(jì)使用一個(gè)具有特定孔徑的圓形孔板作為節(jié)流裝置，這個(gè)孔板安裝在流體管道中。<br /> </div><div>　　2. <strong>流速變化</strong>：當(dāng)流體流經(jīng)孔板時(shí)，由于孔板的限流作用，流體的速度會增加，導(dǎo)致流體動能增加而靜壓力下降。<br /> </div><div>　　3. <strong>壓力差產(chǎn)生</strong>：在孔板的前后，由于流速的增加和減少，會產(chǎn)生壓力差。流體流過孔板時(shí)速度增加，壓力降低；而在孔板之后，流體速度減小，壓力恢復(fù)。<br /> </div><div>　　4. <strong>測量壓力差</strong>：通過在孔板的前后安裝測壓點(diǎn)，可以測量出孔板前后的壓力差。<br /> </div><div>　　5. <strong>流量計(jì)算</strong>：根據(jù)測量得到的壓力差，結(jié)合流體的性質(zhì)和孔板的幾何參數(shù)，利用伯努利方程計(jì)算出流體的流量。<br /> </div><div>　　6. <strong>平衡流量傳感器</strong>：A+K平衡流量計(jì)的傳感器是一個(gè)多孔圓盤節(jié)流整流器，它能夠平衡流體，減少渦流的形成，降低死區(qū)效應(yīng)，減少流體動能的損失和降低渦流引起的取壓點(diǎn)信號波動，從而提高測量的精確度。<br /> </div><div>　　7. <strong>精確度高</strong>：A+K孔板流量計(jì)由于其對稱多孔結(jié)構(gòu)特點(diǎn)，能對流場進(jìn)行平衡，降低了渦流、振動和信號噪聲，流場穩(wěn)定性大大提高，使得精確度比傳統(tǒng)節(jié)流裝置提升了5-10倍。<br /> </div><div>　　8. <strong>量程比寬</strong>：A+K孔板流量計(jì)的量程比寬，流速可以到音速；其最小雷諾數(shù)可低于200，最大雷諾數(shù)大于107；β值可選0.25-0.90。<br /> 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