HOBER Pipeline Head Loss Calculator - hobertek.com<\/title>\r\n <link href=\"https:\/\/fonts.googleapis.com\/css2?family=Inter:wght@400;500;600;700&display=swap\" rel=\"stylesheet\">\r\n <style>\r\n :root {\r\n --primary: #002080;\r\n --accent: #2680ff;\r\n --bg: #f8f9fc;\r\n --text: #333;\r\n --border: #dde2f2;\r\n }\r\n * {box-sizing:border-box;}\r\n body {\r\n margin:0;\r\n font-family:'Inter',sans-serif;\r\n background:#ffffff;\r\n color:var(--text);\r\n }\r\n .calculator-wrapper {\r\n max-width:460px;\r\n margin:30px auto;\r\n border-radius:16px;\r\n overflow:hidden;\r\n box-shadow:0 15px 40px rgba(0,0,0,0.12);\r\n background:#fff;\r\n border:1px solid var(--border);\r\n }\r\n .header-bar {\r\n background:var(--primary);\r\n color:#fff;\r\n padding:18px 20px;\r\n font-size:18px;\r\n font-weight:700;\r\n text-align:center;\r\n }\r\n .hober-brand {\r\n font-size:14px;\r\n margin-top:8px;\r\n opacity:0.9;\r\n }\r\n .form-row {\r\n display:grid;\r\n grid-template-columns:1.3fr 1fr 0.7fr;\r\n align-items:center;\r\n padding:14px 16px;\r\n border-bottom:1px solid var(--border);\r\n }\r\n .form-row:nth-child(even){background:#f8f9fc;}\r\n .label {font-weight:600;font-size:14.5px;}\r\n .control input, .control select {\r\n width:100%;\r\n padding:10px 12px;\r\n border-radius:10px;\r\n border:none;\r\n background:var(--primary);\r\n color:#fff;\r\n font-size:15px;\r\n text-align:center;\r\n }\r\n .control input::placeholder {color:#a0c0ff;}\r\n .unit {font-size:13.5px;color:#555;padding-left:8px;}\r\n .section-title {\r\n background:#002080;\r\n color:#fff;\r\n font-weight:600;\r\n padding:12px 16px;\r\n font-size:15px;\r\n }\r\n .fitting-row {\r\n display:grid;\r\n grid-template-columns:1.4fr 1fr;\r\n padding:12px 16px;\r\n border-bottom:1px solid var(--border);\r\n align-items:center;\r\n }\r\n .fitting-row:nth-child(even){background:#f8f9fc;}\r\n .counter {\r\n display:grid;\r\n grid-template-columns:1fr 1.5fr 1fr;\r\n border-radius:10px;\r\n overflow:hidden;\r\n border:1px solid #c0c8e0;\r\n height:44px;\r\n }\r\n .counter button {\r\n background:#fff;\r\n border:none;\r\n font-size:20px;\r\n cursor:pointer;\r\n font-weight:bold;\r\n color:var(--primary);\r\n }\r\n .counter button:hover {background:#eef2ff;}\r\n .counter-value {\r\n background:var(--primary);\r\n color:#fff;\r\n font-weight:600;\r\n display:flex;\r\n align-items:center;\r\n justify-content:center;\r\n font-size:16px;\r\n }\r\n .btn-calc {\r\n width:100%;\r\n padding:16px;\r\n border:none;\r\n background:var(--accent);\r\n color:#fff;\r\n font-size:17px;\r\n font-weight:600;\r\n cursor:pointer;\r\n }\r\n .btn-calc:hover {background:#1765d2;}\r\n .readonly {\r\n background:var(--primary);\r\n color:#fff;\r\n font-weight:600;\r\n }\r\n .result-section {\r\n background:#002080;\r\n color:#fff;\r\n padding:16px;\r\n font-size:16px;\r\n text-align:center;\r\n }\r\n .contact-bar {\r\n background:#001050;\r\n color:#fff;\r\n text-align:center;\r\n padding:20px;\r\n font-size:14px;\r\n }\r\n .contact-bar a {color:#fff;text-decoration:underline;}\r\n <\/style>\r\n<\/style>\r\n<\/head>\r\n<body>\r\n\r\n<div class=\"calculator-wrapper\">\r\n <div class=\"header-bar\">\r\n Calculadora de Perda de Carga em Dutos HOBER\r\n <div class=\"hober-brand\">Ferramenta profissional \u2022 15 anos de f\u00e1brica \u2022 hobertek.com<\/div>\r\n <\/div>\r\n\r\n \r\n <div class=\"form-row\">\r\n <div class=\"label\">Fluido<\/div>\r\n <div class=\"control\"><input type=\"text\" id=\"fluidName\" value=\"Clean Water\"><\/div>\r\n <div class=\"unit\"><\/div>\r\n <\/div>\r\n <div class=\"form-row\">\r\n <div class=\"label\">Taxa de fluxo<\/div>\r\n <div class=\"control\"><input type=\"number\" id=\"flowRate\" value=\"60\" step=\"0.1\"><\/div>\r\n <div class=\"unit\">m\u00b3\/h<\/div>\r\n <\/div>\r\n <div class=\"form-row\">\r\n <div class=\"label\">Material do tubo<\/div>\r\n <div class=\"control\">\r\n <select id=\"pipeMaterial\">\r\n <option value=\"cast_iron\">Tubo de ferro fundido novo<\/option>\r\n <option value=\"steel\" selected>Tubo de a\u00e7o carbono<\/option>\r\n <option value=\"pe\">Tubo de PE\/HDPE<\/option>\r\n <option value=\"pvc\">Tubo de PVC\/UPVC<\/option>\r\n <\/select>\r\n <\/div>\r\n <div class=\"unit\"><\/div>\r\n <\/div>\r\n <div class=\"form-row\">\r\n <div class=\"label\">Di\u00e2metro do tubo<\/div>\r\n <div class=\"control\"><input type=\"number\" id=\"diameter\" placeholder=\"Exemplo 110\" value=\"110\"><\/div>\r\n <div class=\"unit\">mm<\/div>\r\n <\/div>\r\n <div class=\"form-row\">\r\n <div class=\"label\">Comprimento total do tubo<\/div>\r\n <div class=\"control\"><input type=\"number\" id=\"length\" placeholder=\"Exemplo: 300\" value=\"300\"><\/div>\r\n <div class=\"unit\">eu<\/div>\r\n <\/div>\r\n <div class=\"form-row\">\r\n <div class=\"label\">Viscosidade<\/div>\r\n <div class=\"control\"><input type=\"number\" id=\"viscosity\" value=\"1\" step=\"0.1\"><\/div>\r\n <div class=\"unit\">cps<\/div>\r\n <\/div>\r\n <div class=\"form-row\">\r\n <div class=\"label\">Gravidade espec\u00edfica<\/div>\r\n <div class=\"control\"><input type=\"number\" id=\"specificGravity\" value=\"1\" step=\"0.01\"><\/div>\r\n <div class=\"unit\"><\/div>\r\n <\/div>\r\n <div class=\"form-row\">\r\n <div class=\"label\">Cabe\u00e7ote est\u00e1tico (opcional)<\/div>\r\n <div class=\"control\"><input type=\"number\" id=\"staticHead\" value=\"80\" step=\"0.1\"><\/div>\r\n <div class=\"unit\">eu<\/div>\r\n <\/div>\r\n\r\n \r\n <div class=\"section-title\">Quantidade de conex\u00f5es (+\/\u2212)<\/div>\r\n <div class=\"fitting-row\">\r\n <div class=\"fitting-label\">Cotovelo de 90\u00b0<\/div>\r\n <div class=\"counter\"><button onclick=\"c('elbow90',-1)\">\u2212<\/button><div class=\"counter-value\" id=\"elbow90\">2<\/div><button onclick=\"c('elbow90',1)\">+<\/button><\/div>\r\n <\/div>\r\n <div class=\"fitting-row\">\r\n <div class=\"fitting-label\">Cotovelo de 45\u00b0<\/div>\r\n <div class=\"counter\"><button onclick=\"c('elbow45',-1)\">\u2212<\/button><div class=\"counter-value\" id=\"elbow45\">0<\/div><button onclick=\"c('elbow45',1)\">+<\/button><\/div>\r\n <\/div>\r\n <div class=\"fitting-row\">\r\n <div class=\"fitting-label\">Fluxo em T - Ramifica\u00e7\u00e3o<\/div>\r\n <div class=\"counter\"><button onclick=\"c('teeBranch',-1)\">\u2212<\/button><div class=\"counter-value\" id=\"teeBranch\">1<\/div><button onclick=\"c('teeBranch',1)\">+<\/button><\/div>\r\n <\/div>\r\n <div class=\"fitting-row\">\r\n <div class=\"fitting-label\">Tee - Corrida Reta<\/div>\r\n <div class=\"counter\"><button onclick=\"c('teeRun',-1)\">\u2212<\/button><div class=\"counter-value\" id=\"teeRun\">0<\/div><button onclick=\"c('teeRun',1)\">+<\/button><\/div>\r\n <\/div>\r\n <div class=\"fitting-row\">\r\n <div class=\"fitting-label\">V\u00e1lvula de esfera<\/div>\r\n <div class=\"counter\"><button onclick=\"c('ballValve',-1)\">\u2212<\/button><div class=\"counter-value\" id=\"ballValve\">2<\/div><button onclick=\"c('ballValve',1)\">+<\/button><\/div>\r\n <\/div>\r\n <div class=\"fitting-row\">\r\n <div class=\"fitting-label\">V\u00e1lvula de gaveta<\/div>\r\n <div class=\"counter\"><button onclick=\"c('gateValve',-1)\">\u2212<\/button><div class=\"counter-value\" id=\"gateValve\">1<\/div><button onclick=\"c('gateValve',1)\">+<\/button><\/div>\r\n <\/div>\r\n <div class=\"fitting-row\">\r\n <div class=\"fitting-label\">V\u00e1lvula de reten\u00e7\u00e3o<\/div>\r\n <div class=\"counter\"><button onclick=\"c('checkValve',-1)\">\u2212<\/button><div class=\"counter-value\" id=\"checkValve\">1<\/div><button onclick=\"c('checkValve',1)\">+<\/button><\/div>\r\n <\/div>\r\n <div class=\"fitting-row\">\r\n <div class=\"fitting-label\">V\u00e1lvula globo\/angular<\/div>\r\n <div class=\"counter\"><button onclick=\"c('angleValve',-1)\">\u2212<\/button><div class=\"counter-value\" id=\"angleValve\">0<\/div><button onclick=\"c('angleValve',1)\">+<\/button><\/div>\r\n <\/div>\r\n\r\n <button class=\"btn-calc\" onclick=\"calculateLoss()\">Calcular a perda de carga<\/button>\r\n\r\n \r\n <div class=\"result-section\">Resultados dos c\u00e1lculos<\/div>\r\n <div class=\"form-row\">\r\n <div class=\"label\">Velocidade<\/div>\r\n <div class=\"control\"><input type=\"text\" id=\"velocity\" class=\"readonly\" readonly><\/div>\r\n <div class=\"unit\">EM<\/div>\r\n <\/div>\r\n <div class=\"form-row\">\r\n <div class=\"label\">Perda por atrito (hf)<\/div>\r\n <div class=\"control\"><input type=\"text\" id=\"headLossF\" class=\"readonly\" readonly><\/div>\r\n <div class=\"unit\">eu<\/div>\r\n <\/div>\r\n <div class=\"form-row\">\r\n <div class=\"label\">Perda local (hj)<\/div>\r\n <div class=\"control\"><input type=\"text\" id=\"headLossJ\" class=\"readonly\" readonly><\/div>\r\n <div class=\"unit\">eu<\/div>\r\n <\/div>\r\n <div class=\"form-row\">\r\n <div class=\"label\">Cabe\u00e7a est\u00e1tica<\/div>\r\n <div class=\"control\"><input type=\"text\" id=\"headStaticOut\" class=\"readonly\" readonly><\/div>\r\n <div class=\"unit\">eu<\/div>\r\n <\/div>\r\n <div class=\"form-row\">\r\n <div class=\"label\">Cabe\u00e7a din\u00e2mica total<\/div>\r\n <div class=\"control\"><input type=\"text\" id=\"headTotal\" class=\"readonly\" readonly><\/div>\r\n <div class=\"unit\">eu<\/div>\r\n <\/div>\r\n <div class=\"form-row\">\r\n <div class=\"label\">Queda de press\u00e3o<\/div>\r\n <div class=\"control\"><input type=\"text\" id=\"pressureDrop\" class=\"readonly\" readonly><\/div>\r\n <div class=\"unit\">bar<\/div>\r\n <\/div>\r\n\r\n <div class=\"contact-bar\">\r\n Esta \u00e9 uma ferramenta profissional da HOBER \u00ae<br>\r\n Precisa de um projeto preciso de sistema de bombeamento solar baseado nesses resultados?<br>\r\n Entre em contato com a equipe da Hober para um or\u00e7amento gratuito \u2192 <a href=\"mailto:sales@hobertek.com\">vendas@hobertek.com<\/a>\r\n <\/div>\r\n<\/div>\r\n\r\n<script>\r\n function c(id, delta){\r\n const el = document.getElementById(id);\r\n let v = parseInt(el.textContent, 10);\r\n v += delta;\r\n if (v < 0) v = 0;\r\n el.textContent = v;\r\n }\r\n function calculateLoss(){\r\n const Q_m3hr = parseFloat(document.getElementById('flowRate').value) || 0;\r\n const D_mm = parseFloat(document.getElementById('diameter').value) || 0;\r\n const L_m = parseFloat(document.getElementById('length').value) || 0;\r\n const mu_cps = parseFloat(document.getElementById('viscosity').value) || 1;\r\n const sg = parseFloat(document.getElementById('specificGravity').value) || 1;\r\n const Hs = parseFloat(document.getElementById('staticHead').value) || 0;\r\n\r\n if (Q_m3hr <= 0 || D_mm <= 0 || L_m <= 0){\r\n alert('Please enter at least: Flow rate, pipe diameter and total length.');\r\n return;\r\n }\r\n\r\n const Q_m3s = Q_m3hr \/ 3600;\r\n const D_m = D_mm \/ 1000;\r\n const rho = sg * 1000;\r\n const mu = mu_cps * 0.001;\r\n const g = 9.81;\r\n\r\n const area = Math.PI * D_m * D_m \/ 4;\r\n const v = Q_m3s \/ area;\r\n\r\n const Re = rho * v * D_m \/ mu;\r\n\r\n \/\/ Roughness \u03b5 (m)\r\n const pipeMaterial = document.getElementById('pipeMaterial').value;\r\n let epsilon = 0.00015; \/\/ default steel\r\n if (pipeMaterial === 'cast_iron') epsilon = 0.00026;\r\n if (pipeMaterial === 'pe' || pipeMaterial === 'pvc') epsilon = 0.0000015;\r\n\r\n \/\/ Friction factor f (Swamee-Jain)\r\n let f;\r\n if (Re < 2300){\r\n f = 64 \/ Re;\r\n }else{\r\n const term = (epsilon\/(3.7*D_m)) + (5.74\/Math.pow(Re,0.9));\r\n f = 0.25 \/ Math.pow(Math.log10(term), 2);\r\n }\r\n\r\n const hf = f * (L_m \/ D_m) * (v*v\/(2*g));\r\n\r\n \/\/ Local losses K\r\n const K = {\r\n elbow90: 0.9,\r\n elbow45: 0.4,\r\n teeBranch: 1.0,\r\n teeRun: 0.6,\r\n ballValve: 0.05,\r\n gateValve: 0.2,\r\n checkValve: 2.0,\r\n angleValve: 5.0\r\n };\r\n\r\n const K_total = \r\n K.elbow90 * parseInt(document.getElementById('elbow90').textContent) +\r\n K.elbow45 * parseInt(document.getElementById('elbow45').textContent) +\r\n K.teeBranch * parseInt(document.getElementById('teeBranch').textContent) +\r\n K.teeRun * parseInt(document.getElementById('teeRun').textContent) +\r\n K.ballValve * parseInt(document.getElementById('ballValve').textContent) +\r\n K.gateValve * parseInt(document.getElementById('gateValve').textContent) +\r\n K.checkValve * parseInt(document.getElementById('checkValve').textContent) +\r\n K.angleValve * parseInt(document.getElementById('angleValve').textContent);\r\n\r\n const hj = K_total * v*v \/ (2*g);\r\n\r\n const H_tot = Hs + hf + hj;\r\n const deltaP_bar = (rho * g * (hf + hj)) \/ 1e5;\r\n\r\n document.getElementById('velocity').value = v.toFixed(2);\r\n document.getElementById('headLossF').value = hf.toFixed(2);\r\n document.getElementById('headLossJ').value = hj.toFixed(2);\r\n document.getElementById('headStaticOut').value = Hs.toFixed(2);\r\n document.getElementById('headTotal').value = H_tot.toFixed(2);\r\n document.getElementById('pressureDrop').value = deltaP_bar.toFixed(3);\r\n }\r\n<\/script>\r\n<\/body>\r\n<\/html>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Calculadora de Perda de Carga em Tubula\u00e7\u00f5es HOBER \u2013 hobertek.com Calculadora de Perda de Carga em Tubula\u00e7\u00f5es HOBER Ferramenta Profissional \u2022 15 Anos de Experi\u00eancia de F\u00e1brica \u2022 hobertek.com Vaz\u00e3o de Fluido m\u00b3\/h Material da Tubula\u00e7\u00e3o<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>","protected":false},"author":4,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","om_disable_all_campaigns":false,"_joinchat":[],"footnotes":""},"class_list":["post-7073","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/hobertek.com\/pt\/wp-json\/wp\/v2\/pages\/7073","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hobertek.com\/pt\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/hobertek.com\/pt\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/hobertek.com\/pt\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/hobertek.com\/pt\/wp-json\/wp\/v2\/comments?post=7073"}],"version-history":[{"count":1,"href":"https:\/\/hobertek.com\/pt\/wp-json\/wp\/v2\/pages\/7073\/revisions"}],"predecessor-version":[{"id":7074,"href":"https:\/\/hobertek.com\/pt\/wp-json\/wp\/v2\/pages\/7073\/revisions\/7074"}],"wp:attachment":[{"href":"https:\/\/hobertek.com\/pt\/wp-json\/wp\/v2\/media?parent=7073"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

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\n\t\t\t\t\t\r\n\r\n\r\n \r\n \r\n HOBER Pipeline Head Loss Calculator - hobertek.com<\/title>\r\n <link href=\"https:\/\/fonts.googleapis.com\/css2?family=Inter:wght@400;500;600;700&display=swap\" rel=\"stylesheet\">\r\n <style>\r\n :root {\r\n --primary: #002080;\r\n --accent: #2680ff;\r\n --bg: #f8f9fc;\r\n --text: #333;\r\n --border: #dde2f2;\r\n }\r\n * {box-sizing:border-box;}\r\n body {\r\n margin:0;\r\n font-family:'Inter',sans-serif;\r\n background:#ffffff;\r\n color:var(--text);\r\n }\r\n .calculator-wrapper {\r\n max-width:460px;\r\n margin:30px auto;\r\n border-radius:16px;\r\n overflow:hidden;\r\n box-shadow:0 15px 40px rgba(0,0,0,0.12);\r\n background:#fff;\r\n border:1px solid var(--border);\r\n }\r\n .header-bar {\r\n background:var(--primary);\r\n color:#fff;\r\n padding:18px 20px;\r\n font-size:18px;\r\n font-weight:700;\r\n text-align:center;\r\n }\r\n .hober-brand {\r\n font-size:14px;\r\n margin-top:8px;\r\n opacity:0.9;\r\n }\r\n .form-row {\r\n display:grid;\r\n grid-template-columns:1.3fr 1fr 0.7fr;\r\n align-items:center;\r\n padding:14px 16px;\r\n border-bottom:1px solid var(--border);\r\n }\r\n .form-row:nth-child(even){background:#f8f9fc;}\r\n .label {font-weight:600;font-size:14.5px;}\r\n .control input, .control select {\r\n width:100%;\r\n padding:10px 12px;\r\n border-radius:10px;\r\n border:none;\r\n background:var(--primary);\r\n color:#fff;\r\n font-size:15px;\r\n text-align:center;\r\n }\r\n .control input::placeholder {color:#a0c0ff;}\r\n .unit {font-size:13.5px;color:#555;padding-left:8px;}\r\n .section-title {\r\n background:#002080;\r\n color:#fff;\r\n font-weight:600;\r\n padding:12px 16px;\r\n font-size:15px;\r\n }\r\n .fitting-row {\r\n display:grid;\r\n grid-template-columns:1.4fr 1fr;\r\n padding:12px 16px;\r\n border-bottom:1px solid var(--border);\r\n align-items:center;\r\n }\r\n .fitting-row:nth-child(even){background:#f8f9fc;}\r\n .counter {\r\n display:grid;\r\n grid-template-columns:1fr 1.5fr 1fr;\r\n border-radius:10px;\r\n overflow:hidden;\r\n border:1px solid #c0c8e0;\r\n height:44px;\r\n }\r\n .counter button {\r\n background:#fff;\r\n border:none;\r\n font-size:20px;\r\n cursor:pointer;\r\n font-weight:bold;\r\n color:var(--primary);\r\n }\r\n .counter button:hover {background:#eef2ff;}\r\n .counter-value {\r\n background:var(--primary);\r\n color:#fff;\r\n font-weight:600;\r\n display:flex;\r\n align-items:center;\r\n justify-content:center;\r\n font-size:16px;\r\n }\r\n .btn-calc {\r\n width:100%;\r\n padding:16px;\r\n border:none;\r\n background:var(--accent);\r\n color:#fff;\r\n font-size:17px;\r\n font-weight:600;\r\n cursor:pointer;\r\n }\r\n .btn-calc:hover {background:#1765d2;}\r\n .readonly {\r\n background:var(--primary);\r\n color:#fff;\r\n font-weight:600;\r\n }\r\n .result-section {\r\n background:#002080;\r\n color:#fff;\r\n padding:16px;\r\n font-size:16px;\r\n text-align:center;\r\n }\r\n .contact-bar {\r\n background:#001050;\r\n color:#fff;\r\n text-align:center;\r\n padding:20px;\r\n font-size:14px;\r\n }\r\n .contact-bar a {color:#fff;text-decoration:underline;}\r\n <\/style>\r\n<\/style>\r\n<\/head>\r\n<body>\r\n\r\n<div class=\"calculator-wrapper\">\r\n <div class=\"header-bar\">\r\n Calculadora de Perda de Carga em Dutos HOBER\r\n <div class=\"hober-brand\">Ferramenta profissional \u2022 15 anos de f\u00e1brica \u2022 hobertek.com<\/div>\r\n <\/div>\r\n\r\n \r\n <div class=\"form-row\">\r\n <div class=\"label\">Fluido<\/div>\r\n <div class=\"control\"><input type=\"text\" id=\"fluidName\" value=\"Clean Water\"><\/div>\r\n <div class=\"unit\"><\/div>\r\n <\/div>\r\n <div class=\"form-row\">\r\n <div class=\"label\">Taxa de fluxo<\/div>\r\n <div class=\"control\"><input type=\"number\" id=\"flowRate\" value=\"60\" step=\"0.1\"><\/div>\r\n <div class=\"unit\">m\u00b3\/h<\/div>\r\n <\/div>\r\n <div class=\"form-row\">\r\n <div class=\"label\">Material do tubo<\/div>\r\n <div class=\"control\">\r\n <select id=\"pipeMaterial\">\r\n <option value=\"cast_iron\">Tubo de ferro fundido novo<\/option>\r\n <option value=\"steel\" selected>Tubo de a\u00e7o carbono<\/option>\r\n <option value=\"pe\">Tubo de PE\/HDPE<\/option>\r\n <option value=\"pvc\">Tubo de PVC\/UPVC<\/option>\r\n <\/select>\r\n <\/div>\r\n <div class=\"unit\"><\/div>\r\n <\/div>\r\n <div class=\"form-row\">\r\n <div class=\"label\">Di\u00e2metro do tubo<\/div>\r\n <div class=\"control\"><input type=\"number\" id=\"diameter\" placeholder=\"Exemplo 110\" value=\"110\"><\/div>\r\n <div class=\"unit\">mm<\/div>\r\n <\/div>\r\n <div class=\"form-row\">\r\n <div class=\"label\">Comprimento total do tubo<\/div>\r\n <div class=\"control\"><input type=\"number\" id=\"length\" placeholder=\"Exemplo: 300\" value=\"300\"><\/div>\r\n <div class=\"unit\">eu<\/div>\r\n <\/div>\r\n <div class=\"form-row\">\r\n <div class=\"label\">Viscosidade<\/div>\r\n <div class=\"control\"><input type=\"number\" id=\"viscosity\" value=\"1\" step=\"0.1\"><\/div>\r\n <div class=\"unit\">cps<\/div>\r\n <\/div>\r\n <div class=\"form-row\">\r\n <div class=\"label\">Gravidade espec\u00edfica<\/div>\r\n <div class=\"control\"><input type=\"number\" id=\"specificGravity\" value=\"1\" step=\"0.01\"><\/div>\r\n <div class=\"unit\"><\/div>\r\n <\/div>\r\n <div class=\"form-row\">\r\n <div class=\"label\">Cabe\u00e7ote est\u00e1tico (opcional)<\/div>\r\n <div class=\"control\"><input type=\"number\" id=\"staticHead\" value=\"80\" step=\"0.1\"><\/div>\r\n <div class=\"unit\">eu<\/div>\r\n <\/div>\r\n\r\n \r\n <div class=\"section-title\">Quantidade de conex\u00f5es (+\/\u2212)<\/div>\r\n <div class=\"fitting-row\">\r\n <div class=\"fitting-label\">Cotovelo de 90\u00b0<\/div>\r\n <div class=\"counter\"><button onclick=\"c('elbow90',-1)\">\u2212<\/button><div class=\"counter-value\" id=\"elbow90\">2<\/div><button onclick=\"c('elbow90',1)\">+<\/button><\/div>\r\n <\/div>\r\n <div class=\"fitting-row\">\r\n <div class=\"fitting-label\">Cotovelo de 45\u00b0<\/div>\r\n <div class=\"counter\"><button onclick=\"c('elbow45',-1)\">\u2212<\/button><div class=\"counter-value\" id=\"elbow45\">0<\/div><button onclick=\"c('elbow45',1)\">+<\/button><\/div>\r\n <\/div>\r\n <div class=\"fitting-row\">\r\n <div class=\"fitting-label\">Fluxo em T - Ramifica\u00e7\u00e3o<\/div>\r\n <div class=\"counter\"><button onclick=\"c('teeBranch',-1)\">\u2212<\/button><div class=\"counter-value\" id=\"teeBranch\">1<\/div><button onclick=\"c('teeBranch',1)\">+<\/button><\/div>\r\n <\/div>\r\n <div class=\"fitting-row\">\r\n <div class=\"fitting-label\">Tee - Corrida Reta<\/div>\r\n <div class=\"counter\"><button onclick=\"c('teeRun',-1)\">\u2212<\/button><div class=\"counter-value\" id=\"teeRun\">0<\/div><button onclick=\"c('teeRun',1)\">+<\/button><\/div>\r\n <\/div>\r\n <div class=\"fitting-row\">\r\n <div class=\"fitting-label\">V\u00e1lvula de esfera<\/div>\r\n <div class=\"counter\"><button onclick=\"c('ballValve',-1)\">\u2212<\/button><div class=\"counter-value\" id=\"ballValve\">2<\/div><button onclick=\"c('ballValve',1)\">+<\/button><\/div>\r\n <\/div>\r\n <div class=\"fitting-row\">\r\n <div class=\"fitting-label\">V\u00e1lvula de gaveta<\/div>\r\n <div class=\"counter\"><button onclick=\"c('gateValve',-1)\">\u2212<\/button><div class=\"counter-value\" id=\"gateValve\">1<\/div><button onclick=\"c('gateValve',1)\">+<\/button><\/div>\r\n <\/div>\r\n <div class=\"fitting-row\">\r\n <div class=\"fitting-label\">V\u00e1lvula de reten\u00e7\u00e3o<\/div>\r\n <div class=\"counter\"><button onclick=\"c('checkValve',-1)\">\u2212<\/button><div class=\"counter-value\" id=\"checkValve\">1<\/div><button onclick=\"c('checkValve',1)\">+<\/button><\/div>\r\n <\/div>\r\n <div class=\"fitting-row\">\r\n <div class=\"fitting-label\">V\u00e1lvula globo\/angular<\/div>\r\n <div class=\"counter\"><button onclick=\"c('angleValve',-1)\">\u2212<\/button><div class=\"counter-value\" id=\"angleValve\">0<\/div><button onclick=\"c('angleValve',1)\">+<\/button><\/div>\r\n <\/div>\r\n\r\n <button class=\"btn-calc\" onclick=\"calculateLoss()\">Calcular a perda de carga<\/button>\r\n\r\n \r\n <div class=\"result-section\">Resultados dos c\u00e1lculos<\/div>\r\n <div class=\"form-row\">\r\n <div class=\"label\">Velocidade<\/div>\r\n <div class=\"control\"><input type=\"text\" id=\"velocity\" class=\"readonly\" readonly><\/div>\r\n <div class=\"unit\">EM<\/div>\r\n <\/div>\r\n <div class=\"form-row\">\r\n <div class=\"label\">Perda por atrito (hf)<\/div>\r\n <div class=\"control\"><input type=\"text\" id=\"headLossF\" class=\"readonly\" readonly><\/div>\r\n <div class=\"unit\">eu<\/div>\r\n <\/div>\r\n <div class=\"form-row\">\r\n <div class=\"label\">Perda local (hj)<\/div>\r\n <div class=\"control\"><input type=\"text\" id=\"headLossJ\" class=\"readonly\" readonly><\/div>\r\n <div class=\"unit\">eu<\/div>\r\n <\/div>\r\n <div class=\"form-row\">\r\n <div class=\"label\">Cabe\u00e7a est\u00e1tica<\/div>\r\n <div class=\"control\"><input type=\"text\" id=\"headStaticOut\" class=\"readonly\" readonly><\/div>\r\n <div class=\"unit\">eu<\/div>\r\n <\/div>\r\n <div class=\"form-row\">\r\n <div class=\"label\">Cabe\u00e7a din\u00e2mica total<\/div>\r\n <div class=\"control\"><input type=\"text\" id=\"headTotal\" class=\"readonly\" readonly><\/div>\r\n <div class=\"unit\">eu<\/div>\r\n <\/div>\r\n <div class=\"form-row\">\r\n <div class=\"label\">Queda de press\u00e3o<\/div>\r\n <div class=\"control\"><input type=\"text\" id=\"pressureDrop\" class=\"readonly\" readonly><\/div>\r\n <div class=\"unit\">bar<\/div>\r\n <\/div>\r\n\r\n <div class=\"contact-bar\">\r\n Esta \u00e9 uma ferramenta profissional da HOBER \u00ae<br>\r\n Precisa de um projeto preciso de sistema de bombeamento solar baseado nesses resultados?<br>\r\n Entre em contato com a equipe da Hober para um or\u00e7amento gratuito \u2192 <a href=\"mailto:sales@hobertek.com\">vendas@hobertek.com<\/a>\r\n <\/div>\r\n<\/div>\r\n\r\n<script>\r\n function c(id, delta){\r\n const el = document.getElementById(id);\r\n let v = parseInt(el.textContent, 10);\r\n v += delta;\r\n if (v < 0) v = 0;\r\n el.textContent = v;\r\n }\r\n function calculateLoss(){\r\n const Q_m3hr = parseFloat(document.getElementById('flowRate').value) || 0;\r\n const D_mm = parseFloat(document.getElementById('diameter').value) || 0;\r\n const L_m = parseFloat(document.getElementById('length').value) || 0;\r\n const mu_cps = parseFloat(document.getElementById('viscosity').value) || 1;\r\n const sg = parseFloat(document.getElementById('specificGravity').value) || 1;\r\n const Hs = parseFloat(document.getElementById('staticHead').value) || 0;\r\n\r\n if (Q_m3hr <= 0 || D_mm <= 0 || L_m <= 0){\r\n alert('Please enter at least: Flow rate, pipe diameter and total length.');\r\n return;\r\n }\r\n\r\n const Q_m3s = Q_m3hr \/ 3600;\r\n const D_m = D_mm \/ 1000;\r\n const rho = sg * 1000;\r\n const mu = mu_cps * 0.001;\r\n const g = 9.81;\r\n\r\n const area = Math.PI * D_m * D_m \/ 4;\r\n const v = Q_m3s \/ area;\r\n\r\n const Re = rho * v * D_m \/ mu;\r\n\r\n \/\/ Roughness \u03b5 (m)\r\n const pipeMaterial = document.getElementById('pipeMaterial').value;\r\n let epsilon = 0.00015; \/\/ default steel\r\n if (pipeMaterial === 'cast_iron') epsilon = 0.00026;\r\n if (pipeMaterial === 'pe' || pipeMaterial === 'pvc') epsilon = 0.0000015;\r\n\r\n \/\/ Friction factor f (Swamee-Jain)\r\n let f;\r\n if (Re < 2300){\r\n f = 64 \/ Re;\r\n }else{\r\n const term = (epsilon\/(3.7*D_m)) + (5.74\/Math.pow(Re,0.9));\r\n f = 0.25 \/ Math.pow(Math.log10(term), 2);\r\n }\r\n\r\n const hf = f * (L_m \/ D_m) * (v*v\/(2*g));\r\n\r\n \/\/ Local losses K\r\n const K = {\r\n elbow90: 0.9,\r\n elbow45: 0.4,\r\n teeBranch: 1.0,\r\n teeRun: 0.6,\r\n ballValve: 0.05,\r\n gateValve: 0.2,\r\n checkValve: 2.0,\r\n angleValve: 5.0\r\n };\r\n\r\n const K_total = \r\n K.elbow90 * parseInt(document.getElementById('elbow90').textContent) +\r\n K.elbow45 * parseInt(document.getElementById('elbow45').textContent) +\r\n K.teeBranch * parseInt(document.getElementById('teeBranch').textContent) +\r\n K.teeRun * parseInt(document.getElementById('teeRun').textContent) +\r\n K.ballValve * parseInt(document.getElementById('ballValve').textContent) +\r\n K.gateValve * parseInt(document.getElementById('gateValve').textContent) +\r\n K.checkValve * parseInt(document.getElementById('checkValve').textContent) +\r\n K.angleValve * parseInt(document.getElementById('angleValve').textContent);\r\n\r\n const hj = K_total * v*v \/ (2*g);\r\n\r\n const H_tot = Hs + hf + hj;\r\n const deltaP_bar = (rho * g * (hf + hj)) \/ 1e5;\r\n\r\n document.getElementById('velocity').value = v.toFixed(2);\r\n document.getElementById('headLossF').value = hf.toFixed(2);\r\n document.getElementById('headLossJ').value = hj.toFixed(2);\r\n document.getElementById('headStaticOut').value = Hs.toFixed(2);\r\n document.getElementById('headTotal').value = H_tot.toFixed(2);\r\n document.getElementById('pressureDrop').value = deltaP_bar.toFixed(3);\r\n }\r\n<\/script>\r\n<\/body>\r\n<\/html>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Calculadora de Perda de Carga em Tubula\u00e7\u00f5es HOBER \u2013 hobertek.com Calculadora de Perda de Carga em Tubula\u00e7\u00f5es HOBER Ferramenta Profissional \u2022 15 Anos de Experi\u00eancia de F\u00e1brica \u2022 hobertek.com Vaz\u00e3o de Fluido m\u00b3\/h Material da Tubula\u00e7\u00e3o<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>","protected":false},"author":4,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","om_disable_all_campaigns":false,"_joinchat":[],"footnotes":""},"class_list":["post-7073","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/hobertek.com\/pt\/wp-json\/wp\/v2\/pages\/7073","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hobertek.com\/pt\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/hobertek.com\/pt\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/hobertek.com\/pt\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/hobertek.com\/pt\/wp-json\/wp\/v2\/comments?post=7073"}],"version-history":[{"count":1,"href":"https:\/\/hobertek.com\/pt\/wp-json\/wp\/v2\/pages\/7073\/revisions"}],"predecessor-version":[{"id":7074,"href":"https:\/\/hobertek.com\/pt\/wp-json\/wp\/v2\/pages\/7073\/revisions\/7074"}],"wp:attachment":[{"href":"https:\/\/hobertek.com\/pt\/wp-json\/wp\/v2\/media?parent=7073"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}