Long Hole Flow Rate Calculator | Hydraulic Engineering Tools<\/title>\n <style>\n \/* \u6dfb\u52a0\u4f5c\u7528\u57df\u524d\u7f00\uff0c\u907f\u514d\u6837\u5f0f\u51b2\u7a81 *\/\n .long-hole-calculator {\n --primary-color: #2196F3;\n --text-color: #333;\n --border-color: #ddd;\n --result-bg: #f5f5f5;\n position: relative;\n z-index: 1; \/* \u786e\u4fdd\u4e0d\u4f1a\u8986\u76d6sticky header *\/\n }\n\n .long-hole-calculator .calculator-container {\n max-width: 1200px;\n margin: 0 auto;\n padding: 20px;\n font-family: inherit;\n position: relative;\n }\n\n .long-hole-calculator .section {\n margin-bottom: 30px;\n position: relative;\n }\n\n .long-hole-calculator .parameters-grid {\n display: grid;\n grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));\n gap: 15px;\n margin-bottom: 20px;\n position: relative;\n }\n\n .long-hole-calculator .parameter-item {\n background: #fff;\n padding: 10px;\n border-radius: 4px;\n box-shadow: 0 1px 3px rgba(0,0,0,0.1);\n position: relative;\n }\n\n .long-hole-calculator .parameter-item h4 {\n margin: 0 0 5px 0;\n color: var(--text-color);\n }\n\n .long-hole-calculator .parameter-item p {\n margin: 0;\n font-size: 0.9em;\n color: #666;\n }\n\n .long-hole-calculator .diagram {\n text-align: center;\n margin: 30px 0;\n }\n\n .long-hole-calculator .calculator-form {\n background: #fff;\n padding: 20px;\n border-radius: 8px;\n box-shadow: 0 2px 4px rgba(0,0,0,0.1);\n position: relative;\n }\n\n .long-hole-calculator .input-row {\n display: flex;\n gap: 20px;\n margin-bottom: 20px;\n position: relative;\n }\n\n .long-hole-calculator .input-group {\n flex: 1;\n display: flex;\n flex-direction: column;\n position: relative;\n }\n\n .long-hole-calculator .input-label {\n display: flex;\n align-items: baseline;\n margin-bottom: 8px;\n color: var(--text-color);\n }\n\n .long-hole-calculator .parameter-name {\n margin-right: 8px;\n }\n\n .long-hole-calculator .unit-text {\n color: #666;\n font-size: 0.9em;\n }\n\n .long-hole-calculator .input-field-container input {\n width: 100%;\n padding: 8px 12px;\n border: 1px solid var(--border-color);\n border-radius: 4px;\n font-size: 16px;\n box-sizing: border-box;\n }\n\n .long-hole-calculator .calculate-btn {\n background: var(--primary-color);\n color: white;\n border: none;\n padding: 12px 24px;\n border-radius: 4px;\n cursor: pointer;\n font-size: 16px;\n width: 200px;\n transition: all 0.3s ease;\n margin: 20px auto 0;\n display: block;\n position: relative;\n }\n\n .long-hole-calculator .calculate-btn:hover {\n background: #1976D2;\n color: white;\n }\n\n .long-hole-calculator .results {\n display: none;\n margin-top: 20px;\n padding: 20px;\n background: var(--result-bg);\n border-radius: 8px;\n position: relative;\n }\n\n .long-hole-calculator .result-group {\n display: flex;\n align-items: center;\n justify-content: center;\n margin: 15px 0;\n }\n\n .long-hole-calculator .result-label {\n font-size: 18px;\n margin-right: 15px;\n color: var(--text-color);\n }\n\n .long-hole-calculator .result-value {\n font-size: 24px;\n font-weight: bold;\n color: var(--primary-color);\n }\n\n .long-hole-calculator .result-unit {\n font-size: 18px;\n margin-left: 8px;\n color: #666;\n }\n\n @media (max-width: 768px) {\n .long-hole-calculator .calculator-container {\n padding: 10px;\n }\n \n .long-hole-calculator .parameters-grid {\n grid-template-columns: 1fr;\n }\n\n .long-hole-calculator .input-row {\n flex-direction: column;\n gap: 15px;\n }\n\n .long-hole-calculator .input-group {\n flex-direction: column;\n align-items: stretch;\n }\n\n .long-hole-calculator .input-group label {\n margin-bottom: 5px;\n }\n }\n <\/style>\n<\/head>\n<body>\n <div class=\"long-hole-calculator\">\n <div class=\"calculator-container\">\n \n <div class=\"section\">\n <h2>Par\u00e1metros de entrada<\/h2>\n <div class=\"parameters-grid\">\n <div class=\"parameter-item\">\n <h4>Hole Diameter<\/h4>\n <p>The diameter of the long hole (mm)<\/p>\n <\/div>\n <div class=\"parameter-item\">\n <h4>Diferencia de presi\u00f3n<\/h4>\n <p>The pressure difference across the hole (bar)<\/p>\n <\/div>\n <div class=\"parameter-item\">\n <h4>Viscosidad del aceite<\/h4>\n <p>The kinematic viscosity of the oil (cSt)<\/p>\n <\/div>\n <div class=\"parameter-item\">\n <h4>Hole Length<\/h4>\n <p>The length of the hole (mm)<\/p>\n <\/div>\n <\/div>\n <\/div>\n\n \n <div class=\"section\">\n <h2>Calculadora<\/h2>\n <div class=\"calculator-form\">\n <div class=\"input-row\">\n <div class=\"input-group\">\n <div class=\"input-label\">\n <span class=\"parameter-name\">Di\u00e1metro del orificio (d)<\/span>\n <span class=\"unit-text\">mm<\/span>\n <\/div>\n <div class=\"input-field-container\">\n <input type=\"number\" id=\"diameter\" step=\"0.1\" min=\"0\" placeholder=\"Introduzca el di\u00e1metro\">\n <\/div>\n <\/div>\n <div class=\"input-group\">\n <div class=\"input-label\">\n <span class=\"parameter-name\">Diferencia de presi\u00f3n (\u0394P)<\/span>\n <span class=\"unit-text\">bar<\/span>\n <\/div>\n <div class=\"input-field-container\">\n <input type=\"number\" id=\"pressure\" step=\"0.1\" min=\"0\" placeholder=\"Introduzca presi\u00f3n\">\n <\/div>\n <\/div>\n <\/div>\n <div class=\"input-row\">\n <div class=\"input-group\">\n <div class=\"input-label\">\n <span class=\"parameter-name\">Viscosidad del aceite<\/span>\n <span class=\"unit-text\">cSt<\/span>\n <\/div>\n <div class=\"input-field-container\">\n <input type=\"number\" id=\"viscosity\" step=\"0.1\" min=\"0\" placeholder=\"Introduzca la viscosidad\">\n <\/div>\n <\/div>\n <div class=\"input-group\">\n <div class=\"input-label\">\n <span class=\"parameter-name\">Hole Length<\/span>\n <span class=\"unit-text\">mm<\/span>\n <\/div>\n <div class=\"input-field-container\">\n <input type=\"number\" id=\"length\" step=\"0.1\" min=\"0\" placeholder=\"Enter length\">\n <\/div>\n <\/div>\n <\/div>\n <button class=\"calculate-btn\" onclick=\"calculateFlow()\">Calcule<\/button>\n <\/div>\n <\/div>\n\n \n <div class=\"section\">\n <div class=\"results\" id=\"results\">\n <h3>Output Result<\/h3>\n <div class=\"result-group\">\n <span class=\"result-label\">Flow Rate (Q):<\/span>\n <span class=\"result-value\" id=\"flowRate\">0.00<\/span>\n <span class=\"result-unit\">L\/min<\/span>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n\n <script>\n function calculateFlow() {\n \/\/ Get input values\n const d = parseFloat(document.getElementById('diameter').value);\n const deltaP = parseFloat(document.getElementById('pressure').value);\n const nu = parseFloat(document.getElementById('viscosity').value);\n const L = parseFloat(document.getElementById('length').value);\n\n \/\/ Validate inputs\n if (isNaN(d) || isNaN(deltaP) || isNaN(nu) || isNaN(L)) {\n alert('Please enter valid numbers for all parameters');\n return;\n }\n\n \/\/ Convert units\n const d_m = d \/ 1000; \/\/ mm to m\n const L_m = L \/ 1000; \/\/ mm to m\n const deltaP_pa = deltaP * 100000; \/\/ bar to Pa\n const mu = nu * 0.000001; \/\/ cSt to m\u00b2\/s * density (assuming oil density \u2248 1000 kg\/m\u00b3)\n\n \/\/ Calculate flow rate using Hagen-Poiseuille equation\n const pi = Math.PI;\n const Q_m3s = (pi * Math.pow(d_m, 4) * deltaP_pa) \/ (128 * mu * L_m);\n \n \/\/ Convert to L\/min\n const Q_lmin = Q_m3s * 60000;\n\n \/\/ Display results\n document.getElementById('flowRate').textContent = Q_lmin.toFixed(2);\n document.getElementById('results').style.display = 'block';\n }\n <\/script>\n<\/body>\n<\/html>","protected":false},"excerpt":{"rendered":"<p>Discover the efficiency of our Long Hole Flow Rate Calculator, an essential tool designed for precise flow rate calculations in mining and drilling operations. 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Discover the efficiency of our Long Hole Flow Rate Calculator, an essential tool designed for precise flow rate calculations in mining and drilling operations. This user-friendly calculator allows engineers and technicians to effortlessly determine the optimal flow rates for long hole drilling, enhancing operational productivity and accuracy. Maximize your resources and reduce operational downtime with real-time data and insights. Ideal for professionals seeking to improve efficiency and ensure safety in their drilling processes. Experience seamless integration and support for all your drilling project needs.<\/p>\n\n\n