{"id":4499,"date":"2026-04-01T06:56:01","date_gmt":"2026-04-01T06:56:01","guid":{"rendered":"https:\/\/hydrathpower.com\/?p=4499"},"modified":"2026-04-01T06:56:01","modified_gmt":"2026-04-01T06:56:01","slug":"%d8%ad%d8%b3%d8%a7%d8%a8-%d8%a7%d9%84%d9%85%d8%b9%d8%a7%d8%af%d9%84%d8%a9-%d8%a7%d9%84%d9%87%d9%8a%d8%af%d8%b1%d9%88%d9%84%d9%8a%d9%83%d9%8a%d8%a9","status":"publish","type":"post","link":"https:\/\/hydrathpower.com\/ar\/hydraulic-formulas-and-calculations-power-flow-force-and-speed-explained\/","title":{"rendered":"\u0627\u0644\u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0648\u0627\u0644\u062d\u0633\u0627\u0628\u0627\u062a \u0627\u0644\u0647\u064a\u062f\u0631\u0648\u0644\u064a\u0643\u064a\u0629: \u0634\u0631\u062d \u0627\u0644\u0642\u062f\u0631\u0629 \u0648\u0627\u0644\u062a\u062f\u0641\u0642 \u0648\u0627\u0644\u0642\u0648\u0629 \u0648\u0627\u0644\u0633\u0631\u0639\u0629"},"content":{"rendered":"<h3>\u0645\u0627 \u0647\u064a \u0647\u0630\u0647 \u0627\u0644\u0635\u0641\u062d\u0629\u061f<\/h3>\n<p>\u062a\u062c\u0645\u0639 \u0647\u0630\u0647 \u0627\u0644\u0635\u0641\u062d\u0629 \u0627\u0644\u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0627\u0644\u0647\u064a\u062f\u0631\u0648\u0644\u064a\u0643\u064a\u0629 \u0627\u0644\u062a\u064a \u064a\u0633\u062a\u062e\u062f\u0645\u0647\u0627 \u0627\u0644\u0645\u0647\u0646\u062f\u0633\u0648\u0646 \u0643\u0644 \u064a\u0648\u0645. \u064a\u062a\u0645 \u0639\u0631\u0636 \u0643\u0644 \u0645\u0639\u0627\u062f\u0644\u0629 \u0645\u0639 \u0627\u0644\u0648\u062d\u062f\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u062a\u0637\u0627\u0628\u0642 \u0645\u0639 \u0645\u0645\u0627\u0631\u0633\u0627\u062a \u0627\u0644\u0635\u0646\u0627\u0639\u0629\u060c \u0645\u062a\u0628\u0648\u0639\u0629 \u0628\u0623\u0645\u062b\u0644\u0629 \u0635\u063a\u064a\u0631\u0629 \u064a\u0645\u0643\u0646\u0643 \u062a\u0643\u064a\u064a\u0641\u0647\u0627 \u0645\u0639 \u0646\u0638\u0627\u0645\u0643.<\/p>\n<h3>\u0627\u0644\u0635\u064a\u063a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h3>\n<ul>\n<li>\u0627\u0644\u0636\u063a\u0637-\u0627\u0644\u0642\u0648\u0629-\u0627\u0644\u0645\u0633\u0627\u062d\u0629 (\u0625\u0645\u0628\u0631\u0627\u0637\u0648\u0631\u064a): p(psi) = F(\u0631\u0637\u0644\/\u0631\u0637\u0644) \/ A(\u0628\u0648\u0635\u0629\u00b2)\u061b F = p \u00d7 A\u061b A = F \/ p<\/li>\n<li>\u0627\u0644\u0642\u062f\u0631\u0629 \u0627\u0644\u0647\u064a\u062f\u0631\u0648\u0644\u064a\u0643\u064a\u0629: hp = p(psi) \u00d7 Q(gpm) \/ 1714\u061b kW = Q(l\/min) \u00d7 p(bar) \/ 600<\/li>\n<li>\u062a\u062f\u0641\u0642 \u0627\u0644\u0645\u0636\u062e\u0629: Q(gpm) = n(rpm) \u00d7 D(in\u00b3\/rev) \/ 231\u061b Q(l\/min) = D(cm\u00b3\/rev) \u00d7 n(rpm) \/ 1000<\/li>\n<li>\u0639\u0632\u0645 \u062f\u0648\u0631\u0627\u0646 \u0627\u0644\u0645\u062d\u0631\u0643 T(in-lb) = p(psi) \u00d7 D(in\u00b3\/rev) \/ 6.28\u061b T(Nm) = D(cm\u00b3\/rev) \u00d7 p(bar) \/ (20\u03c0)<\/li>\n<li>\u0645\u0633\u0627\u062d\u0629 \u0627\u0644\u0623\u0633\u0637\u0648\u0627\u0646\u0629: A = \u03c0d\u00b2\/4\u061b \u0645\u0633\u0627\u062d\u0629 \u0636\u0644\u0639 \u0627\u0644\u0642\u0636\u064a\u0628 = A<sub>\u0645\u0643\u0628\u0633<\/sub> - A<sub>\u0642\u0636\u064a\u0628<\/sub><\/li>\n<li>\u0642\u0648\u0629 \u0627\u0644\u0623\u0633\u0637\u0648\u0627\u0646\u0629: F = p \u00d7 A<\/li>\n<li>\u0633\u0631\u0639\u0629 \u0627\u0644\u0623\u0633\u0637\u0648\u0627\u0646\u0629: v (\u0642\u062f\u0645\/\u062f\u0642\u064a\u0642\u0629) = 19.25 \u00d7 Q (gpm) \/ A (\u0628\u0648\u0635\u0629 \u0645\u0631\u0628\u0639\u0629)\u061b \u0623\u0648 v = Q\/A \u0628\u0648\u062d\u062f\u0627\u062a \u062b\u0627\u0628\u062a\u0629<\/li>\n<li>\u0625\u0631\u0634\u0627\u062f\u0627\u062a \u0633\u0631\u0639\u0629 \u0627\u0644\u062e\u0637: v(\u0642\u062f\u0645\/\u062b\u0627\u0646\u064a\u0629) = Q(gpm) \u00d7 0.3208\/ A(\u0628\u0648\u0635\u0629\u00b2)<\/li>\n<li>\u0627\u0644\u0645\u0643\u0627\u0641\u0626 \u0627\u0644\u062d\u0631\u0627\u0631\u064a: 1 \u062d\u0635\u0627\u0646 = 2545 \u0648\u062d\u062f\u0629 \u062d\u0631\u0627\u0631\u064a\u0629 \u0628\u0631\u064a\u0637\u0627\u0646\u064a\u0629\/\u0633\u0627\u0639\u0629 \u2248 746 \u0648\u0627\u0637<\/li>\n<\/ul>\n<h3>\u0623\u0645\u062b\u0644\u0629 \u0639\u0645\u0644\u064a\u0629<\/h3>\n<ol>\n<li>\u0627\u0644\u0642\u062f\u0631\u0629 \u0627\u0644\u0647\u064a\u062f\u0631\u0648\u0644\u064a\u0643\u064a\u0629 \u0639\u0646\u062f 150 \u0628\u0627\u0631 \u064820 \u0644\u062a\u0631\/\u062f\u0642\u064a\u0642\u0629Ph (\u0643\u064a\u0644\u0648\u0648\u0627\u0637) = Q \u00d7 p \/ 600 = 20 \u00d7 150 \/ 600 = 5 \u0643\u064a\u0644\u0648\u0648\u0627\u0637 (\u2248 6.7 \u062d\u0635\u0627\u0646)<\/li>\n<li><a href=\"\/hydraulic-cylinders\/\">\u0627\u0633\u0637\u0648\u0627\u0646\u0629<\/a> \u0642\u0648\u0629 \u0627\u0644\u062f\u0641\u0639 \u0645\u0639 \u062a\u062c\u0648\u064a\u0641 50 \u0645\u0645 \u0639\u0646\u062f 140 \u0628\u0627\u0631\u0627\u0644\u0645\u0633\u0627\u062d\u0629 = \u03c0 \u00d7 (0.05 \u0645)\/4 = 0.001963 \u0645\u00b2\u0627\u0644\u0642\u0648\u0629 = 14 \u0645\u064a\u062c\u0627 \u0628\u0627\u0633\u0643\u0627\u0644 \u00d7 0.001963 \u0645\u00b2 \u2248 27.5 \u0643\u064a\u0644\u0648 \u0646\u064a\u0648\u062a\u0646<\/li>\n<li>\u0639\u0632\u0645 \u062f\u0648\u0631\u0627\u0646 \u0627\u0644\u0645\u062d\u0631\u0643\u060c D = 25 \u0633\u0645 \u0645\u0643\u0639\u0628\/\u0644\u0644\u0641\u062a\u0631\u0629\u060c p = 140 \u0628\u0627\u0631T = D \u00d7 p \/ (20\u03c0) = 25 \u00d7 140 \/ 62.832 \u2248 55.7 \u0646\u064a\u0648\u062a\u0646 \u0645\u062a\u0631<\/li>\n<li>\u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0633\u0631\u0639\u0629 \u0627\u0644\u062e\u0631\u0637\u0648\u0645\u060c Q = 30 \u0644\u062a\u0631\/\u062f\u0642\u064a\u0642\u0629 (\u2248 7.93 \u063a\u0645\/\u062f\u0642\u064a\u0642\u0629)\u060c 1\/2 \u0628\u0648\u0635\u0629 IDA = \u03c0 \u00d7 (0.5 \u0628\u0648\u0635\u0629) \u00b2 \/ 4 = 0.196 \u0628\u0648\u0635\u0629\u00b2v = 7.93 \u00d7 0.3208 \u00d7 0.196 \u2248 13.0 \u0642\u062f\u0645\/\u062b\u0627\u0646\u064a\u0629<\/li>\n<\/ol>\n<h3>\u0643\u064a\u0641\u064a\u0629 \u062a\u062d\u062f\u064a\u062f \u062d\u062c\u0645 \u0648\u062d\u062f\u0629 HPU (\u062e\u0645\u0633 \u062e\u0637\u0648\u0627\u062a)<\/h3>\n<ol>\n<li>\u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0648\u0627\u062c\u0628: \u0632\u0645\u0646 \u0627\u0644\u062f\u0648\u0631\u0629\u060c \u0648\u0630\u0631\u0648\u0629 \u0627\u0644\u0636\u063a\u0637\u060c \u0648\u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0645\u062d\u064a\u0637\u0629.<\/li>\n<li>\u062d\u0633\u0627\u0628 \u0645\u0633\u0627\u062d\u0629 \u0627\u0644\u0645\u0634\u063a\u0644 \u0648\u0627\u0644\u0642\u0648\u0629 \u0645\u0646 \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u061b \u0636\u0628\u0637 \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u062a\u0635\u0645\u064a\u0645\u064a \u0628\u0647\u0627\u0645\u0634 10-20%.<\/li>\n<li>\u0627\u0634\u062a\u0642\u0627\u0642 \u0627\u0644\u062a\u062f\u0641\u0642 \u0645\u0646 \u0627\u0644\u0633\u0631\u0639\u0629 \u0627\u0644\u0645\u0633\u062a\u0647\u062f\u0641\u0629 \u0648\u0627\u0644\u0645\u0633\u0627\u062d\u0629 \u0627\u0644\u0645\u0633\u062a\u0647\u062f\u0641\u0629\u061b \u062a\u062d\u0648\u064a\u0644\u0647\u0627 \u0625\u0644\u0649 \u0625\u0632\u0627\u062d\u0629 \u0627\u0644\u0645\u0636\u062e\u0629 \u0645\u0639 \u0639\u062f\u062f \u0627\u0644\u062f\u0648\u0631\u0627\u062a \u0627\u0644\u0645\u062a\u0648\u0642\u0639\u0629 \u0641\u064a \u0627\u0644\u062f\u0642\u064a\u0642\u0629.<\/li>\n<li>\u062a\u0642\u062f\u064a\u0631 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0647\u064a\u062f\u0631\u0648\u0644\u064a\u0643\u064a\u0629 \u0645\u0646 p \u0648Q\u061b \u062a\u0637\u0628\u064a\u0642 \u0627\u0644\u0643\u0641\u0627\u0621\u0629 \u0627\u0644\u0643\u0644\u064a\u0629 \u0644\u062a\u062d\u062f\u064a\u062f \u0645\u062d\u0631\u0643 \u0627\u0644\u062f\u0641\u0639.<\/li>\n<li>\u062a\u062d\u0642\u0642 \u0645\u0646 \u0633\u0631\u0639\u0629 \u0627\u0644\u062e\u0637 \u0648\u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u061b \u062d\u062c\u0645 \u0627\u0644\u062e\u0632\u0627\u0646 \u0648\u0627\u0644\u062a\u0628\u0631\u064a\u062f \u0648\u0641\u0642\u064b\u0627 \u0644\u0630\u0644\u0643.<\/li>\n<\/ol>\n<h3>\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0645\u062a\u062f\u0627\u0648\u0644\u0629<\/h3>\n<h4>\u0645\u0627 \u0647\u064a \u0645\u0639\u0627\u062f\u0644\u0629 \u0627\u0644\u0642\u062f\u0631\u0629 \u0627\u0644\u062d\u0635\u0627\u0646\u064a\u0629 \u0627\u0644\u0647\u064a\u062f\u0631\u0648\u0644\u064a\u0643\u064a\u0629\u061f<\/h4>\n<p>hp = p(psi) \u00d7 Q(gpm) \/ 1714. \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0645\u062a\u0631\u064a\u0629 kW = Q(l\/min) \u00d7 p(bar) \/ 600.<\/p>\n<h4>\u0643\u064a\u0641 \u064a\u0645\u0643\u0646\u0646\u064a \u062d\u0633\u0627\u0628 \u0633\u0631\u0639\u0629 \u0627\u0644\u0623\u0633\u0637\u0648\u0627\u0646\u0629\u061f<\/h4>\n<p>\u0627\u0642\u0633\u0645 \u0627\u0644\u062a\u062f\u0641\u0642 \u0639\u0644\u0649 \u0645\u0633\u0627\u062d\u0629 \u0627\u0644\u0645\u0643\u0628\u0633 \u0628\u0627\u0644\u0648\u062d\u062f\u0627\u062a \u0627\u0644\u062b\u0627\u0628\u062a\u0629. \u0628\u0627\u0644\u0625\u0645\u0628\u0631\u0627\u0637\u0648\u0631\u064a\u060c v (\u0642\u062f\u0645\/\u062f\u0642\u064a\u0642\u0629) = 19.25 \u00d7 Q (gpm) \/ A (\u0628\u0648\u0635\u0629 \u0645\u0631\u0628\u0639\u0629).<\/p>\n<h4>\u0643\u064a\u0641 \u064a\u0645\u0643\u0646\u0646\u064a \u0625\u064a\u062c\u0627\u062f \u0639\u0632\u0645 \u062f\u0648\u0631\u0627\u0646 \u0627\u0644\u0645\u062d\u0631\u0643 \u0645\u0646 \u0627\u0644\u0636\u063a\u0637 \u0648\u0627\u0644\u0625\u0632\u0627\u062d\u0629\u061f<\/h4>\n<p>\u0627\u0633\u062a\u062e\u062f\u0645 T(in-lb) = p(psi) \u00d7 D(in\u00b3\/rev) \/ 6.28 \u0623\u0648 T(Nm) = D(cm\u00b3\/rev) \u00d7 p(bar) \/ (20\u03c0).<\/p>\n<h4>\u0645\u0627 \u0647\u064a \u062d\u062f\u0648\u062f \u0627\u0644\u0633\u0631\u0639\u0629 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a\u0629 \u0644\u0644\u062e\u0631\u0637\u0648\u0645\u061f<\/h4>\n<p>\u0639\u0627\u062f\u0629\u064b \u0645\u0627 \u064a\u062a\u0645 \u0627\u0644\u0627\u062d\u062a\u0641\u0627\u0638 \u0628\u062e\u0637\u0648\u0637 \u0627\u0644\u0636\u063a\u0637 \u0628\u0627\u0644\u0642\u0631\u0628 \u0645\u0646 10 \u0625\u0644\u0649 20 \u0642\u062f\u0645\/\u062b\u0627\u0646\u064a\u0629\u061b \u0623\u0645\u0627 \u062e\u0637\u0648\u0637 \u0627\u0644\u0634\u0641\u0637 \u0641\u0647\u064a \u0623\u0642\u0644 \u0645\u0646 \u0630\u0644\u0643 \u0628\u0643\u062b\u064a\u0631. \u062a\u062d\u0642\u0642 \u062f\u0627\u0626\u0645\u064b\u0627 \u0645\u0646 \u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0643.<\/p>\n<h4>\u0643\u064a\u0641 \u064a\u0645\u0643\u0646\u0646\u064a \u062a\u0642\u062f\u064a\u0631 \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0645\u0646 \u0627\u0646\u062e\u0641\u0627\u0636 \u0627\u0644\u0636\u063a\u0637\u061f<\/h4>\n<p>\u0627\u0644\u0642\u062f\u0631\u0629 \u0627\u0644\u0645\u0641\u0642\u0648\u062f\u0629 (hp) \u2248 \u0394p(psi) \u00d7 Q(gpm) \/ 1714\u060c \u062b\u0645 \u0627\u0644\u062a\u062d\u0648\u064a\u0644 \u0625\u0644\u0649 BTU\/\u0633\u0627\u0639\u0629 \u0623\u0648 \u0648\u0627\u0637.<\/p>","protected":false},"excerpt":{"rendered":"<p>What is This Page? This page collects the hydraulic formulas engineers use every day. Each equation is shown with units [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4505,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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