{"id":4687,"date":"2026-04-29T09:07:55","date_gmt":"2026-04-29T09:07:55","guid":{"rendered":"https:\/\/bbpmfg.com\/?page_id=4687"},"modified":"2026-04-29T09:16:17","modified_gmt":"2026-04-29T09:16:17","slug":"total-dynamic-head-tdh-calculator","status":"publish","type":"page","link":"https:\/\/bbpmfg.com\/pt\/irrigation-pumps\/agriculture-pump\/total-dynamic-head-tdh-calculator\/","title":{"rendered":"Calculadora de Cabe\u00e7a Din\u00e2mica Total (TDH)"},"content":{"rendered":"<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-6b5e4af\" data-block-id=\"6b5e4af\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-6b5e4af-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-682fec2\" data-v=\"4\" data-block-id=\"682fec2\"><style>.stk-682fec2-container{margin-top:var(--stk--preset--spacing--40, 1rem) !important;margin-right:var(--stk--preset--spacing--40, 1rem) !important;margin-bottom:var(--stk--preset--spacing--40, 1rem) !important;margin-left:var(--stk--preset--spacing--40, 1rem) !important;}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-682fec2-container stk--no-background stk--no-padding\"><div class=\"has-text-align-center stk-block-content stk-inner-blocks stk-682fec2-inner-blocks\"><div class=\"ct-breadcrumbs\" data-source=\"rankmath\" ><nav aria-label=\"p\u00e3o ralado\" class=\"rank-math-breadcrumb\"><p><span class=\"last\">Casa<\/span><\/p><\/nav><\/div><\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-b73b8d5\" data-block-id=\"b73b8d5\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-b73b8d5-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-1128f14\" data-v=\"4\" data-block-id=\"1128f14\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-1128f14-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-1128f14-inner-blocks\">\n<style>\n#bbp-tdh { --c0: #0F1A33; --c1: #FFFFFF; --c2: #F0C018; --brand: #1848C0; --c3: #F5F7FC; --c4: #D8DCE8; --c5: #8E92A2; --c6: #4A4E5C; --fM: 'IBM Plex Mono','Courier New',monospace; font-family: inherit; max-width: 800px; margin: 0 auto; padding: 24px; color: var(--c0); }\n#bbp-tdh .bs-tdh-header { padding: 22px 24px; background: var(--brand); color: var(--c1); border-left: 6px solid var(--c2); margin-bottom: 24px; }\n#bbp-tdh .bs-tdh-header h2 { margin: 0; font-size: 22px; color: var(--c1); }\n#bbp-tdh .bs-tdh-header p { margin: 6px 0 0; font-size: 13px; opacity: 0.95; }\n#bbp-tdh .bs-tdh-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 20px; }\n#bbp-tdh .bs-tdh-field label { display: block; font-size: 12px; font-weight: 600; margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.4px; color: var(--c6); }\n#bbp-tdh .bs-tdh-field .bs-tdh-hint { font-size: 11px; color: var(--c5); font-weight: 400; text-transform: none; letter-spacing: 0; display: block; margin-top: 2px; }\n#bbp-tdh .bs-tdh-field input { width: 100%; height: 44px; padding: 0 12px; font-family: var(--fM); font-size: 14px; color: var(--c0); background: var(--c1); border: 1px solid var(--c4); border-radius: 0; box-sizing: border-box; }\n#bbp-tdh .bs-tdh-btn-calc { height: 48px; padding: 0 28px; font-size: 14px; font-weight: 600; color: var(--c1); background: var(--brand); border: none; cursor: pointer; }\n#bbp-tdh .bs-tdh-btn-calc:hover { background: #123A9A; }\n#bbp-tdh .bs-tdh-result { margin-top: 22px; padding: 24px; background: var(--c0); color: var(--c1); border-left: 4px solid var(--c2); display: none; }\n#bbp-tdh .bs-tdh-result.show { display: block; }\n#bbp-tdh .bs-tdh-result .bs-tdh-big { font-family: var(--fM); font-size: 42px; font-weight: 600; color: var(--c2); }\n#bbp-tdh .bs-tdh-result .bs-tdh-breakdown { margin-top: 14px; font-family: var(--fM); font-size: 13px; }\n#bbp-tdh .bs-tdh-result .bs-tdh-breakdown div { margin: 4px 0; opacity: 0.95; }\n#bbp-tdh .bs-tdh-formula { margin-top: 14px; padding: 12px 16px; background: var(--c3); color: var(--c0); font-family: var(--fM); font-size: 12px; }\n#bbp-tdh .bs-tdh-note { margin-top: 14px; font-size: 12px; color: var(--c5); font-style: italic; }\n@media (max-width: 600px) { #bbp-tdh .bs-tdh-form-grid { grid-template-columns: 1fr; } }\n<\/style>\n\n<div id=\"bbp-tdh\">\n  <div class=\"bs-tdh-header\">\n    <h2>Calculadora de Cabe\u00e7a Din\u00e2mica Total (TDH)<\/h2>\n    <p>Calcule a cabe\u00e7a de bomba necess\u00e1ria para o seu sistema de irriga\u00e7\u00e3o agr\u00edcola Adicione eleva\u00e7\u00e3o est\u00e1tica, press\u00e3o operacional e perda de atrito para obter TDH em metros.<\/p>\n  <\/div>\n  \n  <div class=\"bs-tdh-form-grid\">\n    <div class=\"bs-tdh-field\">\n      <label for=\"bs-tdh-elev\">Eleva\u00e7\u00e3o Est\u00e1tica (m)<span class=\"bs-tdh-hint\">Eleva\u00e7\u00e3o vertical da superf\u00edcie da \u00e1gua at\u00e9 a descarga<\/span><\/label>\n      <input type=\"number\" id=\"bs-tdh-elev\" placeholder=\"por exemplo, 20\" min=\"0\" step=\"0.1\">\n    <\/div>\n    <div class=\"bs-tdh-field\">\n      <label for=\"bs-tdh-psi\">Press\u00e3o Operacional (PSI)<span class=\"bs-tdh-hint\">Necess\u00e1rio em sprinkler\/emissor de gotejamento<\/span><\/label>\n      <input type=\"number\" id=\"bs-tdh-psi\" placeholder=\"por exemplo, 40\" min=\"0\" step=\"1\">\n    <\/div>\n    <div class=\"bs-tdh-field\">\n      <label for=\"bs-tdh-suct\">Fric\u00e7\u00e3o da Linha de Suc\u00e7\u00e3o (m)<span class=\"bs-tdh-hint\">Tubo + acess\u00f3rios no lado da suc\u00e7\u00e3o<\/span><\/label>\n      <input type=\"number\" id=\"bs-tdh-suct\" placeholder=\"por exemplo, 1,5\" min=\"0\" step=\"0.1\">\n    <\/div>\n    <div class=\"bs-tdh-field\">\n      <label for=\"bs-tdh-disch\">Fric\u00e7\u00e3o de descarga (m)<span class=\"bs-tdh-hint\">Tubo + acess\u00f3rios no lado da descarga<\/span><\/label>\n      <input type=\"number\" id=\"bs-tdh-disch\" placeholder=\"por exemplo, 3,0\" min=\"0\" step=\"0.1\">\n    <\/div>\n  <\/div>\n  \n  <button class=\"bs-tdh-btn-calc\" onclick=\"bsCalculateTDH()\">Calcular TDH<\/button>\n  \n  <a href=\"#ct-popup-820\" id=\"bs-hidden-popup-trigger-tdh\" style=\"display:none;\"><\/a>\n  \n  <div class=\"bs-tdh-result\" id=\"bs-tdh-result-box\"><\/div>\n  \n  <div class=\"bs-tdh-formula\">F\u00f3rmula: TDH = Eleva\u00e7\u00e3o Est\u00e1tica + (PSI \u00d7 0,703) + Fric\u00e7\u00e3o por Suc\u00e7\u00e3o + Fric\u00e7\u00e3o por Descarga<\/div>\n  <p class=\"bs-tdh-note\">1 PSI 0,70 m cabe\u00e7a (\u00e1gua,=1,0).Para \u00e1gua carregada de sedimentos ou salina, corrija a gravidade espec\u00edfica O atrito de suc\u00e7\u00e3o a 5 m\/s velocidade em tubo de 50 mm 0,08 m por metro de tubo refere-se a ANSI\/HI 14,6 ou a um gr\u00e1fico de Moody para valores precisos.<\/p>\n<\/div>\n\n<script>\nfunction bsCalculateTDH() {\n  var elevVal = document.getElementById('bs-tdh-elev').value;\n  var psiVal = document.getElementById('bs-tdh-psi').value;\n  var suctVal = document.getElementById('bs-tdh-suct').value;\n  var dischVal = document.getElementById('bs-tdh-disch').value;\n  \n  var elev = parseFloat(elevVal);\n  if (!elev) { elev = 0; }\n  \n  var psi = parseFloat(psiVal);\n  if (!psi) { psi = 0; }\n  \n  var suct = parseFloat(suctVal);\n  if (!suct) { suct = 0; }\n  \n  var disch = parseFloat(dischVal);\n  if (!disch) { disch = 0; }\n  \n  var psiHead = psi * 0.703;\n  var tdh = elev + psiHead + suct + disch;\n  var resEl = document.getElementById('bs-tdh-result-box');\n  \n  var htmlOut = '<div><span style=\"font-size:13px;opacity:0.85;\">Total Dynamic Head<\/span><\/div>';\n  htmlOut = htmlOut + '<div class=\"bs-tdh-big\">' + tdh.toFixed(1) + ' m<\/div>';\n  htmlOut = htmlOut + '<div class=\"bs-tdh-breakdown\">';\n  htmlOut = htmlOut + '<div>\u2022 Static elevation: ' + elev.toFixed(1) + ' m<\/div>';\n  htmlOut = htmlOut + '<div>\u2022 Operating pressure (' + psi + ' PSI): ' + psiHead.toFixed(1) + ' m<\/div>';\n  htmlOut = htmlOut + '<div>\u2022 Suction friction: ' + suct.toFixed(1) + ' m<\/div>';\n  htmlOut = htmlOut + '<div>\u2022 Discharge friction: ' + disch.toFixed(1) + ' m<\/div>';\n  htmlOut = htmlOut + '<\/div>';\n  \n  \/\/ \u4fee\u590d\uff1a\u4f7f\u7528\u4ee3\u7406\u70b9\u51fb\u89e6\u53d1\u9690\u85cf\u7684\u9759\u6001\u5f39\u7a97\n  htmlOut = htmlOut + '<div style=\"margin-top:16px;\"><a href=\"javascript:void(0);\" onclick=\"document.getElementById(\\'bs-hidden-popup-trigger-tdh\\').click();\" style=\"display:inline-block;padding:10px 22px;background:#F0C018;color:#0F1A33;font-weight:600;text-decoration:none;font-size:13px;\">Get Q-Model Match for ' + tdh.toFixed(1) + ' m TDH<\/a><\/div>';\n  \n  resEl.innerHTML = htmlOut;\n  resEl.classList.add('show');\n}\n<\/script>\n<\/div><\/div><\/div>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Total Dynamic Head (TDH) Calculator Compute the required pump head for your farm irrigation system. Add static elevation, operating pressure, and friction loss to get TDH in meters. Static Elevation (m)Vertical lift from water surface to discharge Operating Pressure (PSI)Required at sprinkler \/ drip emitter Suction Line Friction (m)Pipe + fittings on suction side Discharge [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"parent":4001,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_gspb_post_css":"","footnotes":""},"class_list":["post-4687","page","type-page","status-publish","hentry"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/bbpmfg.com\/pt\/wp-json\/wp\/v2\/pages\/4687","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bbpmfg.com\/pt\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/bbpmfg.com\/pt\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/bbpmfg.com\/pt\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/bbpmfg.com\/pt\/wp-json\/wp\/v2\/comments?post=4687"}],"version-history":[{"count":0,"href":"https:\/\/bbpmfg.com\/pt\/wp-json\/wp\/v2\/pages\/4687\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/bbpmfg.com\/pt\/wp-json\/wp\/v2\/pages\/4001"}],"wp:attachment":[{"href":"https:\/\/bbpmfg.com\/pt\/wp-json\/wp\/v2\/media?parent=4687"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}