{"id":9880,"date":"2026-11-11T22:13:59","date_gmt":"2026-11-11T13:13:59","guid":{"rendered":"https:\/\/now0930.pe.kr\/wordpress\/?p=9880"},"modified":"2026-11-11T22:14:07","modified_gmt":"2026-11-11T13:14:07","slug":"dp-flow-meter-review-pressure-taps-impulse-line-20261111","status":"publish","type":"post","link":"https:\/\/now0930.pe.kr\/wordpress\/dp-flow-meter-review-pressure-taps-impulse-line-20261111\/","title":{"rendered":"\ucc28\uc555\uc2dd \uc720\ub7c9\uacc4 \ubcf5\uc2b5 \u2014 \uce21\uc815 \uc6d0\ub9ac, \uc624\ucc28, \uc555\ub825 \ud0ed, Impulse Line (\uc6d0\ubcf8\u00b7\ubcf4\uc644 \ub2f5\uc548)"},"content":{"rendered":"<style>\n.chapter19-wide{box-sizing:border-box!important;display:block!important;position:static!important;left:auto!important;right:auto!important;transform:none!important;float:none!important;width:100%!important;max-width:1180px!important;margin:22px auto 40px!important;padding:30px clamp(17px,3vw,44px) 45px!important;background:#fff;color:#263849;border:1px solid #dce7ef;border-radius:12px;font-family:-apple-system,BlinkMacSystemFont,\"Noto Sans KR\",\"Malgun Gothic\",sans-serif;font-size:17px;line-height:1.76;word-break:keep-all;overflow-wrap:anywhere}\n.chapter19-wide *{box-sizing:border-box}.chapter19-wide h1{font-size:clamp(25px,3vw,34px);line-height:1.28;color:#173e61;margin:0 0 8px}.chapter19-wide .subtitle{font-size:15px;color:#657c8f;border-bottom:2px solid #e4edf5;padding-bottom:16px;margin-bottom:25px}.chapter19-wide h2{font-size:22px;color:#174269;border-left:5px solid #337eae;padding-left:12px;margin:32px 0 14px}.chapter19-wide h3{font-size:18px;color:#25577b;margin:20px 0 8px}.chapter19-wide p{margin:8px 0 14px}.chapter19-wide ul,.chapter19-wide ol{padding-left:25px;margin:10px 0 17px}.chapter19-wide li{margin:4px 0}.chapter19-wide strong{color:#153d60}.chapter19-wide figure{margin:19px 0;text-align:center}.chapter19-wide img{height:auto;max-width:630px;width:100%;display:block;margin:0 auto;border:1px solid #e2e9ef;border-radius:6px}.chapter19-wide figcaption{font-size:13px;line-height:1.5;color:#647788;margin:9px 0}.chapter19-wide .key{padding:15px 19px;background:#eef6fb;border-left:4px solid #3386bc;border-radius:5px;margin:13px 0 21px}.chapter19-wide .caution{padding:13px 17px;border-left:4px solid #bc903b;background:#fff9ef;border-radius:5px;margin:15px 0}.chapter19-wide .formula{background:#f5f9fc;border:1px solid #e1ebf3;padding:12px;text-align:center;font-size:19px;margin:13px 0;border-radius:6px;font-family:Georgia,\"Times New Roman\",serif}.chapter19-wide .table-wrap{overflow-x:auto;margin:14px 0}.chapter19-wide table{border-collapse:collapse;width:100%;font-size:15px;line-height:1.6}.chapter19-wide th,.chapter19-wide td{border:1px solid #dbe5ed;padding:10px 12px;text-align:left;vertical-align:top}.chapter19-wide th{background:#edf4fa;color:#1a4b70}.chapter19-wide .original{background:#f7f9fb;border:1px solid #dfe8ef;border-radius:7px;padding:16px 18px;font-size:15px;line-height:1.8;white-space:pre-wrap;overflow-wrap:anywhere;font-family:inherit}.chapter19-wide .num{font-size:13px;color:#58748a;font-weight:700;letter-spacing:.01em}.chapter19-wide .muted{color:#65788a;font-size:14px}.chapter19-wide .source{font-size:14px;border-top:1px solid #dce5eb;padding-top:15px;margin-top:22px}.chapter19-wide details{border:1px solid #dce8f0;border-radius:6px;padding:12px 14px;margin:14px 0}.chapter19-wide summary{cursor:pointer;font-weight:700;color:#1f547b}.chapter19-wide a{color:#216ca3;text-decoration:underline}\n@media(max-width:700px){.chapter19-wide{padding:20px 14px 30px!important;font-size:16px}.chapter19-wide h2{font-size:19px}.chapter19-wide .original{font-size:14px}.chapter19-wide table{font-size:14px}}\n<\/style>\n<div class=\"chapter19-wide\">\n<h1>\ucc28\uc555\uc2dd \uc720\ub7c9\uacc4 \u2014 \uc6d0\ub9ac\u00b7\uc624\ucc28\u00b7\uc124\uce58\u00b7\ubcf5\uc2b5<\/h1>\n<div class=\"subtitle\">\u300eLessons in Industrial Instrumentation\u300f Chapter 22.1 \u00b7 2026-11-10 \uc791\uc131 \ub2f5\uc548\uacfc 11-11\uae4c\uc9c0\uc758 \ubb38\ub2f5 \uc815\ub9ac<\/div>\n<div class=\"key\"><strong>\ud575\uc2ec:<\/strong> \uc624\ub9ac\ud53c\uc2a4\uc5d0\uc11c \uc18d\ub3c4\uac00 \uc99d\uac00\ud558\uba74 \uc815\uc555\uc740 \uac10\uc18c\ud55c\ub2e4. \ub2e4\ub9cc <strong>Vena Contracta\uc758 \ucd5c\uc800 \uc555\ub825, \ud45c\uc900 \ud0ed\uc5d0\uc11c \uce21\uc815\ud55c \ucc28\uc555, \uc601\uad6c \uc555\ub825 \uc190\uc2e4<\/strong>\uc740 \uad6c\ubd84\ud55c\ub2e4. \uce21\uc815 \uc815\ud655\ub3c4\ub294 \ub2e8\uc21c\ud55c \uacf5\uc2dd\ubcf4\ub2e4 <strong>\ud0ed\uc758 \uc704\uce58\u00b7\uc720\ub3d9 \ud504\ub85c\ud30c\uc77c\u00b7\uc720\ucd9c\uacc4\uc218\u00b7\uc784\ud384\uc2a4 \ub77c\uc778<\/strong>\uc5d0 \uc88c\uc6b0\ub41c\ub2e4.<\/div>\n<h2>1. \uae30\ubcf8 \uc6d0\ub9ac\uc640 \uc138 \uc555\ub825\uc758 \uad6c\ubd84<\/h2>\n<p>\uc561\uccb4\uac00 \uc624\ub9ac\ud53c\uc2a4\uc5d0\uc11c \uc218\ucd95\ud558\uba74 \uc720\uc18d\uc774 \uc99d\uac00\ud558\uace0 \uc815\uc555\uc774 \uac10\uc18c\ud55c\ub2e4. \uc720\ub85c\uac00 \ub2e4\uc2dc \ub113\uc5b4\uc9c0\uba74 \uc720\uc18d\uc774 \uac10\uc18c\ud558\uba74\uc11c \uc815\uc555\uc740 \uc77c\ubd80 \ud68c\ubcf5\ub41c\ub2e4. \uc774 \uacfc\uc815\uc5d0\uc11c \uc810\uc131\u00b7\ubc15\ub9ac\u00b7\ub09c\ub958\ub85c \uae30\uacc4\uc801 \uc5d0\ub108\uc9c0\uac00 \uc18c\uc0b0\ub418\uc5b4 \uc555\ub825\uc740 \uc644\uc804\ud788 \ud68c\ubcf5\ub418\uc9c0 \uc54a\ub294\ub2e4.<\/p>\n<div class=\"formula\">Q<sub>v<\/sub> = K\u221a(\u0394P\/\u03c1) &nbsp; (\ube44\uc555\ucd95\uc131 \ub2e8\uc0c1 \uc561\uccb4\uc758 \uae30\ubcf8\ud615)<\/div>\n<p><strong>Q<sub>v<\/sub><\/strong>: \uccb4\uc801\uc720\ub7c9, <strong>\u0394P<\/strong>: \uaddc\uc815\ub41c \uc555\ub825 \ud0ed \uc0ac\uc774\uc758 \ucc28\uc555, <strong>\u03c1<\/strong>: \uc720\uccb4 \ubc00\ub3c4, <strong>K<\/strong>: \ud615\uc0c1\u00b7\uc720\ucd9c\uacc4\uc218 \ub4f1\uc774 \ubc18\uc601\ub41c \uacc4\uc218. \uc2e4\uc81c K\ub294 \uc801\uc6a9 \uc870\uac74\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c8 \uc218 \uc788\ub2e4.<\/p>\n<figure><img decoding=\"async\" src=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2026\/11\/dp-flow-meter-review-pressure-taps-impulse-line-20261111-1b0d18976f408075.png\" alt=\"\uc624\ub9ac\ud53c\uc2a4 \uc555\ub825 \uce21\uc815\ud0ed P1\uacfc P2, \ubca0\ub098 \ucf58\ud2b8\ub799\ud0c0, \ud558\ub958 \ud68c\ubcf5\uc555\ub825 P3\uc758 \ucc28\uc774\" style=\"max-width:630px;width:100%;\"\/><figcaption>\ud559\uc2b5\uc6a9 \uc790\uccb4 \uc81c\uc791 \uac1c\ub150\ub3c4. \uce21\uc815 \ucc28\uc555\uacfc \uc601\uad6c \uc190\uc2e4\uc744 \uad6c\ubd84\ud558\uae30 \uc704\ud55c \uc608\uc2dc\uac12\uc774\ub2e4. \uc2e4\uc81c \ud0ed \uc704\uce58\ub294 \ubc29\uc2dd\ubcc4\ub85c \ub2e4\ub974\ub2e4.<\/figcaption><\/figure>\n<div class=\"table-wrap\">\n<table>\n<thead>\n<tr>\n<th>\uc6a9\uc5b4<\/th>\n<th>\uc758\ubbf8<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Vena Contracta<\/td>\n<td>\uc218\ucd95 \uc720\ub3d9\uc758 \ub2e8\uba74\uc801\uc774 \uac00\uc7a5 \uc791\uace0 \uc720\uc18d\uc774 \ucd5c\ub300\u00b7\uc815\uc555\uc774 \ucd5c\uc18c\uc778 \uad6c\uac04<\/td>\n<\/tr>\n<tr>\n<td>\uce21\uc815 \ucc28\uc555<\/td>\n<td>\ud45c\uc900 \uc555\ub825 \ud0ed \uc0ac\uc774\uc758 P<sub>1<\/sub>\u2212P<sub>2<\/sub> (\ud0ed \uad6c\uc131\uc5d0 \uc758\uc874)<\/td>\n<\/tr>\n<tr>\n<td>\uc601\uad6c \uc555\ub825 \uc190\uc2e4<\/td>\n<td>\ud558\ub958 \uc555\ub825 \ud68c\ubcf5 \ud6c4\uc5d0\ub3c4 \ube44\uac00\uc5ed \uc190\uc2e4\ub85c \ub0a8\uc740 \uc555\ub825 \uac10\uc18c (\uac19\uc740 \ub2e8\uba74\u00b7\uace0\ub3c4 \ub4f1\uc758 \uc870\uac74 \ube44\uad50)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\uc55e\uc11c \uc0ac\uc6a9\ud55c \uc608\uc5d0\uc11c\ub294 \uc0c1\ub958 300kPa, \ud558\ub958 \ud0ed 240kPa, \uc555\ub825 \ud68c\ubcf5 \ud6c4 280kPa\uc774\ubbc0\ub85c <strong>\uce21\uc815 \ucc28\uc555 60kPa<\/strong>, <strong>\uc601\uad6c \uc555\ub825 \uc190\uc2e4 20kPa<\/strong>\uc774\ub2e4. 40kPa\ub294 \uc555\ub825 \ud68c\ubcf5\ub7c9\uc774\uc9c0 \uc18c\uc0b0\ub41c \uc5f4\uc774 \uc544\ub2c8\ub2e4. \ub2e4\ub9cc \ud558\ub958 \ud68c\ubcf5 \uacfc\uc815\uc5d0\uc11c\ub3c4 \uc190\uc2e4\uc740 \ubc1c\uc0dd\ud55c\ub2e4.<\/p>\n<h2>2. \uc555\ub825 \ud0ed\uc744 Vena Contracta\uc5d0 \ubc18\ub4dc\uc2dc \uc124\uce58\ud558\ub294\uac00?<\/h2>\n<p><strong>\uc544\ub2c8\ub2e4.<\/strong> \ud45c\uc900 \uc624\ub9ac\ud53c\uc2a4 \uc720\ub7c9\uacc4\ub294 Flange, Corner, D\u2013D\/2 \ub4f1 \uc815\ud574\uc9c4 \ud0ed \uc704\uce58\uc640 \ud574\ub2f9 \uc720\ucd9c\uacc4\uc218\ub97c \uc774\uc6a9\ud55c\ub2e4. Vena Contracta\uc758 \uc704\uce58\uac00 \uc870\uac74\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c4\ub2e4\ub294 \uc0ac\uc2e4\ub9cc\uc73c\ub85c \uc720\ub7c9 \uce21\uc815\uc774 \ubd88\uac00\ub2a5\ud574\uc9c0\ub294 \uac83\uc740 \uc544\ub2c8\ub2e4.<\/p>\n<figure><img decoding=\"async\" src=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2026\/11\/dp-flow-meter-review-pressure-taps-impulse-line-20261111-be06dad1a08804ea.jpg\" alt=\"Kuphaldt \uc6d0\uc11c\uc5d0 \uc2e4\ub9b0 Flange, Vena Contracta, Radius, Corner, Pipe \uc555\ub825 \ud0ed \ube44\uad50\ub3c4\" style=\"max-width:630px;width:100%;\"\/><figcaption>Tony R. Kuphaldt, Lessons In Industrial Instrumentation v2.32, p.1622 (\ucca8\ubd80 PDF p.1649). \uadf8\ub9bc \ubc1c\ucdcc\u00b7\ud06c\uae30 \uc870\uc815, CC BY 4.0.<\/figcaption><\/figure>\n<div class=\"table-wrap\">\n<table>\n<thead>\n<tr>\n<th>\ud0ed \uc885\ub958<\/th>\n<th>\ub300\ud45c\uc801\uc778 \uc704\uce58\uc640 \ud2b9\uc9d5<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Flange<\/td>\n<td>\uc624\ub9ac\ud53c\uc2a4 \ud310 \uc591\uce21 25.4mm\uc758 \ud45c\uc900 \uc704\uce58<\/td>\n<\/tr>\n<tr>\n<td>Corner<\/td>\n<td>\uc624\ub9ac\ud53c\uc2a4 \ud310\uc758 \uc55e\u00b7\ub4b7\uba74 \uc778\uc811<\/td>\n<\/tr>\n<tr>\n<td>Radius \ub610\ub294 D\u2013D\/2<\/td>\n<td>\uc0c1\ub958 1D, \ud558\ub958 0.5D (\ud0ed \uae30\uc900\uc810\u00b7\uacf5\ucc28\ub294 \ud574\ub2f9 \uaddc\uaca9 \ud655\uc778)<\/td>\n<\/tr>\n<tr>\n<td>Vena Contracta<\/td>\n<td>\ud558\ub958 \ucd5c\uc800 \uc555\ub825\uc810 \ubd80\uadfc. \uc704\uce58\uac00 \uc870\uac74\uc5d0 \ub530\ub77c \ubcc0\ud568<\/td>\n<\/tr>\n<tr>\n<td>Pipe<\/td>\n<td>\ub300\ud45c\uc801\uc73c\ub85c \uc0c1\ub958 2.5D, \ud558\ub958 8D. \uc555\ub825 \ud68c\ubcf5 \ud6c4 \ucc28\uc555\uc5d0 \uac00\uae4c\uc6c0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"muted\">\uad50\uc7ac p.1622~1623\uc5d0 \ub098\uc624\ub294 \ub2e4\uc12f \ubc29\uc2dd\uc758 \uc124\uba85\uc774\uba70, \ud604\ud589 ISO 5167-2\uc758 \uaddc\uc815 \ud0ed\uacfc \uc5ed\uc0ac\uc801\u00b7\ube44\ud45c\uc900 \ud0ed \ubc29\uc2dd\uc744 \ub3d9\uc77c\ud558\uac8c \ucde8\uae09\ud558\uba74 \uc548 \ub41c\ub2e4. ISO 5167-2 \ud45c\uc900 \uc624\ub9ac\ud53c\uc2a4\uc5d0\ub294 Corner, Flange, D\u2013D\/2 \ud0ed\uc758 \uaddc\uaca9\uc774 \uc801\uc6a9\ub41c\ub2e4.<\/p>\n<h2>3. \uc774\ubc88 \ubb38\ub2f5\uc5d0\uc11c \uc218\uc815\ud55c \uac1c\ub150<\/h2>\n<div class=\"table-wrap\">\n<table>\n<thead>\n<tr>\n<th>\ub2f5\ubcc0 \uc911 \ud655\uc778\ub41c \uc0dd\uac01<\/th>\n<th>\uad50\uc815\ud558\uc5ec \uc774\ud574\ud560 \ub0b4\uc6a9<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Vena Contracta \uc704\uce58\uac00 \ubcc0\ud574\uc11c \uc815\ud655\ud55c \ud0ed \uc704\uce58\ub97c \uc54c \uc218 \uc5c6\ub2e4<\/td>\n<td>\ucd5c\uc800 \uc555\ub825\uc810\uc740 \uac00\ubcc0\uc801\uc77c \uc218 \uc788\uc73c\ub098 <strong>\ud45c\uc900 \ud0ed \uc704\uce58\ub294 \uc815\ud574\uc838 \uc788\ub2e4<\/strong>. \uadf8 \uc704\uce58\uc758 \ucc28\uc555\uacfc \ub300\uc751\ud558\ub294 C<sub>d<\/sub>\ub97c \uc0ac\uc6a9\ud55c\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>\uc5d8\ubcf4\uc758 \uac00\uc18d\ub3c4\uac00 \uce21\uc815\uc5d0 \uc601\ud5a5\uc744 \uc900\ub2e4<\/td>\n<td>\ubc29\ud5a5 \uc804\ud658\uc73c\ub85c \uac00\uc18d\ub3c4\u00b72\ucc28 \uc720\ub3d9\uc774 \ubc1c\uc0dd\ud55c\ub2e4\ub294 \uc774\ud574\ub294 \ub9de\ub2e4. \uc8fc\ub41c \uc624\ucc28 \uc5f0\uacb0\uc740 <strong>\uc720\uc18d \ubd84\ud3ec \uc65c\uace1\uacfc \uc120\ud68c\ub958\uac00 \uc720\ucd9c\uacc4\uc218 \uc870\uac74\uc744 \ubc14\uafbc\ub2e4<\/strong>\ub294 \uac83\uc774\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>Vena Contracta\uc5d0\uc11c \uc720\uc18d\uc774 \uac00\uc7a5 \ub0ae\ub2e4<\/td>\n<td><strong>\ubc18\ub300:<\/strong> \uc218\ucd95 \ub2e8\uba74\uc801 \ucd5c\uc18c \u2192 \uc720\uc18d \ucd5c\ub300 \u2192 \uc815\uc555 \ucd5c\uc18c.<\/td>\n<\/tr>\n<tr>\n<td>\uc9c1\uad00\uc5d0\uc11c \uad00\uc131\uc73c\ub85c \uc18d\ub3c4\uac00 \uc77c\uc815\ud574\uc9c4\ub2e4<\/td>\n<td>\uc9c1\uad00\uc758 \uc5ed\ud560\uc740 <strong>\ubcbd\uba74 \uc810\uc131\uacfc \uc6b4\ub3d9\ub7c9 \uad50\ud658\uc744 \ud1b5\ud574 \ube44\uc815\uc0c1\uc801\uc778 \uc720\uc18d \ubd84\ud3ec\u00b7\uc120\ud68c\ub958\ub97c \uc644\ud654<\/strong>\ud558\ub294 \uac83\uc774\ub2e4. \ub2e8\uba74\uc758 \ubaa8\ub4e0 \uc810\uc5d0\uc11c \uc18d\ub3c4\uac00 \uac19\uc544\uc9c0\ub294 \uac83\uc740 \uc544\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>\uce21\uc815 \ucc28\uc555\uacfc \uc601\uad6c \uc555\ub825 \uc190\uc2e4\uc740 \uac19\ub2e4<\/td>\n<td>\uc77c\ubc18\uc801\uc778 \ud0ed \ubc30\uce58\uc5d0\uc11c <strong>\uce21\uc815 \ucc28\uc555 \u2260 \uc601\uad6c \uc190\uc2e4<\/strong>. \ub2e4\ub9cc Pipe Tap\ucc98\ub7fc \uc555\ub825 \ud68c\ubcf5 \uc774\ud6c4\uc758 \ucc28\uc555\uc744 \ucde8\ud558\ub294 \uacbd\uc6b0\ub294 \uc601\uad6c \uc190\uc2e4\uc5d0 \uac00\uae4c\uc6b8 \uc218 \uc788\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>\uc555\ub825 \uac10\uc18c\ub294 \ubaa8\ub450 \uc190\uc2e4\uc774\ub2e4<\/td>\n<td>\uc218\ucd95 \uc911 \uc555\ub825 \uc5d0\ub108\uc9c0\uac00 \uc6b4\ub3d9\uc5d0\ub108\uc9c0\ub85c \ubcc0\ud658\ub41c\ub2e4. \uc601\uad6c \uc190\uc2e4\uc740 \uc810\uc131\u00b7\ub09c\ub958 \ub4f1\uc5d0 \ub530\ub978 <strong>\ube44\uac00\uc5ed\uc801 \uc18c\uc0b0<\/strong>\uc774\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>Re \uc99d\uac00 \u2192 C<sub>d<\/sub> \ubc18\ub4dc\uc2dc \uac10\uc18c<\/td>\n<td>Re=\u03c1vD\/\u03bc, \uc810\uc131 \uac10\uc18c \uc2dc Re \uc99d\uac00\ub294 \ub9de\ub2e4. \uadf8\ub7ec\ub098 <strong>C<sub>d<\/sub>\uc758 \ubcc0\ud654 \ubc29\ud5a5\uc740 \ud615\uc0c1\u00b7\u03b2\u00b7Re \uc601\uc5ed \ub4f1\uc5d0 \uc758\uc874<\/strong>\ud558\uba70 \ub192\uc740 Re\uc5d0\uc11c \uc548\uc815\ub418\ub294 \uacbd\uc6b0\uac00 \ub9ce\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>\uc561\uccb4\uc6a9 Impulse Line\uc740 \uc561\uccb4\uac00 \uc544\ub798\ub85c \ube60\uc9c0\ub3c4\ub85d \ube44\uc6b4\ub2e4<\/td>\n<td><strong>\uc561\uccb4\uc6a9 \ub77c\uc778\uc740 \uc561\uccb4\ub85c \ucda9\ub9cc<\/strong>\ud574\uc57c \ud55c\ub2e4. \uc804\uc1a1\uae30\ub97c \ud0ed\ubcf4\ub2e4 \uc544\ub798\uc5d0 \ub450\uace0 \ub192\uc740 \uacf3\uc5d0 \uae30\ud3ec\uac00 \uac07\ud788\uc9c0 \uc54a\ub3c4\ub85d \uacbd\uc0ac\ub97c \ud655\ubcf4\ud55c\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>\ucc28\uc555\uc804\uc1a1\uae30\uac00 \ud0ed \uc704\uce58\uc758 \ucc28\uc555\uc744 \uadf8\ub300\ub85c \uce21\uc815\ud55c\ub2e4<\/td>\n<td>\uc804\uc1a1\uae30\ub294 <strong>HP\u00b7LP \ud3ec\ud2b8\uc5d0 \ub3c4\ub2ec\ud55c \uc555\ub825\uc758 \ucc28\uc774<\/strong>\ub97c \uce21\uc815\ud55c\ub2e4. \ub450 \uc561\uc8fc\uc758 \uc815\uc218\uc555\uc774 \uac19\uc73c\uba74 \uc0c1\uc1c4\ub418\uace0 \ub2e4\ub974\uba74 \uc624\ud504\uc14b\uc774 \ub41c\ub2e4.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div class=\"key\"><strong>\uc774\ubbf8 \ub9de\uac8c \uc774\ud574\ud55c \ubd80\ubd84:<\/strong> Re\ub294 \uad00\uc131\/\uc810\uc131\uc758 \uc0c1\ub300 \uad00\uacc4, \uc810\uc131 \uac10\uc18c \uc2dc Re \uc99d\uac00, \uc624\ub9ac\ud53c\uc2a4 \uc218\ucd95 \uc2dc \uc555\ub825\u2192\uc6b4\ub3d9\uc5d0\ub108\uc9c0 \ubcc0\ud658, \ud558\ub958 \uc555\ub825 \ud68c\ubcf5, \uc810\uc131 \uc18c\uc0b0\uc5d0 \uc758\ud55c \uc601\uad6c \uc190\uc2e4, \uc628\ub3c4\uc5d0 \ub530\ub978 \uc810\uc131 \ubcc0\ud654, \uc2e4\ud5d8\u00b7\ud45c\uc900\uc5d0 \uae30\ubc18\ud55c \uc720\ucd9c\uacc4\uc218, \uc911\uc694 \uacf5\uc815\uc5d0\uc11c\uc758 \uc790\uac00\uc9c4\ub2e8\u00b7\ubc31\uc5c5 \uac80\ud1a0\ub294 \uc62c\ubc14\ub978 \ubc29\ud5a5\uc774\ub2e4.<\/div>\n<h2>4. \uc2e4\ubb34 \uc5f0\uacb0 \u2014 \uc561\uccb4\uc6a9 Impulse Line<\/h2>\n<p>\ucc28\uc555\uc804\uc1a1\uae30\ub294 \uc720\ub7c9\uc744 \uc9c1\uc811 \uce21\uc815\ud558\uc9c0 \uc54a\uace0 HP\/LP \ud3ec\ud2b8 \uc555\ub825\uc758 \ucc28\ub97c \uce21\uc815\ud55c\ub2e4. \uc774 \ucc28\uc555\uc744 \uc81c\uc5b4\uae30 \ub610\ub294 \uc804\uc1a1\uae30\uac00 \uc81c\uacf1\uadfc \uc5f0\uc0b0\ud558\uace0 \uc720\ucd9c\uacc4\uc218\u00b7\ubb3c\uc131\uce58\ub97c \ubc18\uc601\ud574 \uc720\ub7c9\uc73c\ub85c \ud658\uc0b0\ud55c\ub2e4.<\/p>\n<div class=\"formula\">\u0394P<sub>TX<\/sub> = (P<sub>1<\/sub>+\u03c1gh<sub>HP<\/sub>) \u2212 (P<sub>2<\/sub>+\u03c1gh<sub>LP<\/sub>)<\/div>\n<p>\uc704 \uc2dd\uc5d0\uc11c h\ub294 \uc555\ub825 \ud0ed\uacfc \ud3ec\ud2b8 \uc0ac\uc774\uc758 <strong>\uc218\uc9c1 \uace0\ub3c4 \ucc28\uc774<\/strong>\uc774\uba70 \ub450 \ub77c\uc778\uc758 \uc561\uccb4 \ubc00\ub3c4\uac00 \ub3d9\uc77c\ud558\ub2e4\uace0 \uac00\uc815\ud55c\ub2e4. \ub192\uc774\uac00 \uac19\uc73c\uba74 \uc815\uc218\uc555\uc740 \uc0c1\uc1c4\ub41c\ub2e4. \ub192\uc774\ub098 \ubc00\ub3c4\uac00 \ub2e4\ub974\uba74 \uc624\ucc28 \ub610\ub294 \ubcf4\uc815\uc774 \ud544\uc694\ud558\ub2e4.<\/p>\n<figure><img decoding=\"async\" src=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2026\/11\/dp-flow-meter-review-pressure-taps-impulse-line-20261111-ce2fc6966d9a2bc8.png\" alt=\"\uc561\uccb4\uc6a9 \ucc28\uc555\uc804\uc1a1\uae30\ub97c \ud0ed\ubcf4\ub2e4 \uc544\ub798\uc5d0 \uc124\uce58\ud55c \uacbd\uc6b0 HP LP \uc561\uc8fc\uc758 \uc815\uc218\uc555\uc774 \uc0c1\uc1c4\ub418\ub294 \uadf8\ub9bc\" style=\"max-width:630px;width:100%;\"\/><figcaption>\uc790\uccb4 \uc81c\uc791. \uc804\uc1a1\uae30\ub97c \uc544\ub798\uc5d0 \uc124\uce58\ud558\ub294 \uc8fc\ubaa9\uc801\uc740 \uacf5\uae30\u00b7\uc99d\uae30 \uae30\ud3ec \ucd95\uc801\uc744 \ubc29\uc9c0\ud558\uace0 \uc561\uccb4 \ucda9\ub9cc \uc0c1\ud0dc\ub97c \uc720\uc9c0\ud558\uae30 \uc704\ud574\uc11c\ub2e4.<\/figcaption><\/figure>\n<p><strong>\uac00\uc2a4\uc6a9<\/strong>\uc740 \uc751\ucd95\uc561\uc774 \uace0\uc774\uc9c0 \uc54a\ub3c4\ub85d \uc804\uc1a1\uae30\ub97c \uc77c\ubc18\uc801\uc73c\ub85c \uc704\ucabd\uc5d0 \uc124\uce58\ud55c\ub2e4. <strong>\uc561\uccb4\uc6a9<\/strong>\uc740 \uae30\ud3ec\ub97c \ud53c\ud558\ub3c4\ub85d \uc77c\ubc18\uc801\uc73c\ub85c \uc544\ub798\uc5d0 \ub454\ub2e4. \ubc30\uad00 \ud615\uc0c1 \ubc0f \uacf5\uc815 \uc870\uac74\uc5d0 \ub530\ub77c \ubcc4\ub3c4 \uc124\uacc4\ub97c \uc801\uc6a9\ud560 \uc218 \uc788\ub2e4.<\/p>\n<h2>5. \uc0ac\uc6a9\uc790\uac00 \uc2e4\uc81c\ub85c \uc791\uc131\ud55c \ub2f5\uc548 (\uc6d0\ubb38)<\/h2>\n<p class=\"muted\">2026-11-10 22:15 \uc81c\ucd9c. \uc544\ub798\ub294 \ubb38\uc7a5\uc758 \uc624\ud0c8\uc790\uc640 \ud45c\ud604\uc744 \uace0\uce58\uc9c0 \uc54a\uace0 \ubcf4\uc874\ud55c \uc6d0\ubb38\uc774\ub2e4. \uc774 \uc139\uc158\uc740 AI \ubcf4\uc644 \ub2f5\uc548\uacfc \uad6c\ubd84\ud55c\ub2e4.<\/p>\n<div class=\"original\">\ubb38\uc81c: \ucc28\uc555\uc2dd \uc720\ub7c9\uacc4 \uce21\uc815 \uc6d0\ub9ac \uc124\uba85, \uce21\uc815 \uc815\ud655\ub3c4\uc5d0 \ubbf8\uce58\ub294 \uc694\uc778 \/ \uac1c\uc120\ub300\ucc45, \ud604\uc7a5 \uc801\uc6a9\uc2dc \uace0\ub824\uc0ac\ud56d<\/p>\n<p>1. \uc11c\ub860: \ubc30\uacbd<br \/>\n\uc720\ub7c9\uce21\uc815\uc740 process automation\uc5d0\uc11c \uc5b4\ub824\uc6b4 \uc791\uc5c5<br \/>\n\uc9c8\ub7c9(\ucf54\ub9ac\uc62c\ub9ac \uc720\ub7c9\uacc4), \ucc28\uc555, \uc18d\ub3c4 \ub4f1 \uc5ec\ub7ec \ubc29\ubc95<br \/>\n\ucc28\uc555\uc2dd \uc720\ub7c9\uacc4\ub294 \uac00\uaca9\uc774 \uc800\ub834, \uc124\uce58 \uacf5\uac04 \uc720\ub9ac<\/p>\n<p>2. \ubcf8\ub860<br \/>\n1) \uce21\uc815 \uc6d0\ub9ac<br \/>\n\u2460 Q = K \u221a(\u0394P \/ \u03c1)<br \/>\nQ: \uc720\ub7c9, K: \uc0c1\uc218(\uc2e4\ud5d8\uc801), \u0394P: \ucc28\uc555, \u03c1: \ubc00\ub3c4<br \/>\nK\ub294 \uc2e4\ud5d8\uc801\uc73c\ub85c \uacc4\uc0b0\ud560 \uc218 \uc788\uace0, \uc124\uacc4\/\uc124\uce58 \uac00\ub2a5<br \/>\n\u2461 \u0394P\ub97c \uc54c\uba74 Q\ub97c \uc54c \uc218 \uc788\uc74c. \uc8fc\ub85c \uc13c\uc11c<\/p>\n<p>2) \uc815\ud655\ub3c4\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5<br \/>\n\u2460 K\ub294 Vena Contracta\uc5d0 \uc601\ud5a5\uc744 \ubc1b\uc74c<br \/>\n\u2461 Vena Contracta\ub294 \ud604\uc2e4\uc5d0\uc11c \ucc3e\uae30 \uc5b4\ub824\uc6c0<br \/>\n\u2462 \ub530\ub77c\uc11c \uc815\ud655\ud55c \uc555\ub825 \uce21\uc815 \uc704\uce58\ub97c \uc54c \uc218 \uc5c6\uc74c<br \/>\n\u2463 \uc774\uc5d0 \ub530\ub77c \uc720\ub7c9\uc758 \uc624\ucc28\uac00 \ubc1c\uc0dd<br \/>\n\u2464 \ub610\ud55c \uc720\ub7c9\uc774 \u221a\u0394P\ub85c \ube44\ub840\ud558\ubbc0\ub85c \ubcc4\ub3c4 \uc5f0\uc0b0\uae30 \ud544\uc694<\/p>\n<p>3) \ud604\uc7a5 \uc801\uc6a9\uc2dc \uace0\ub824\uc0ac\ud56d<br \/>\n\u2460 \ucc28\uc555 \uc720\ub7c9\uacc4\ub294 \uc124\uce58\uac00 \uc26c\uc6b0\ub098 \ubc30\uad00 \uc791\uc5c5\uc5d0\ub294 \uc5b4\ub835\ub2e4. \ud2b9\ud788 \uc804\uae30 wiring\ud55c \uacbd\uc6b0\uac00 \ub9ce\ub2e4<br \/>\n\u2461 \u0394P = P1 &#8211; P2. \uc555\ub825\uc774 \uc904\uc5b4\ub4e0\ub2e4\ub294 \uc758\ubbf8\ub294 \uc720\uccb4\uac00 \uac00\uc9c4 Potential energy\uac00 \uc904\uc5b4\ub4e0\ub2e4\ub294 \uc758\ubbf8\uc774\ub2e4. \uc13c\uc11c \uc124\uce58\uac00 \uc5d0\ub108\uc9c0 \uc190\uc2e4\ub85c \uc774\uc5b4\uc9c4\ub2e4.<br \/>\n\u2462 \uc13c\uc11c\ub294 \ud56d\uc0c1 \ub2e4\ub978 \ubb3c\ub9ac \ubc95\uce59\uc744 \uc801\uc6a9\ud558\ub294 \uae30\uae30\ub97c \ubc31\uc5c5\ud558\uc5ec \uc124\uce58\ud574\uc57c \ud55c\ub2e4. \ud55c \uc13c\uc11c\uac00 \uace0\uc7a5\uc774 \ub098\ub3c4 \ub2e4\ub978 \uc13c\uc11c\uac00 \ub2e4\ub978 \ubb3c\ub9ac \ubc95\uce59\uc73c\ub85c \ub300\uc751\ud560 \uc218 \uc788\ub2e4.<br \/>\n\u2463 Self diagnose\uac00 \ub418\ub294 \uc13c\uc2f1\ub418\ub294 \uc815\ubcf4\uc758 \uc8fc\uae30\uc801 \ubcf4\uace0\ub85c \uc81c\ud488\uc744 \uc120\uc815\ud574\uc57c \ud55c\ub2e4. \uc6b4\uc601 \uc911\ub2e8\uc5d0 \uc758\ud55c \uc190\uc2e4\uc744 \uc904\uc77c \uc218 \uc788\ub2e4.<\/p>\n<p>4) \uac1c\uc120\ub300\ucc45<br \/>\n\u2460 \ud1b5\uc2e0 \ucf00\uc774\ube14\ub85c \uc5f0\uacb0\ud558\uc5ec \uc8fc\uae30\uc801 \ubcc0\uacbd\uc0ac\ud56d \uc13c\uc11c \uc0c1\ud0dc \ud30c\uc545\/\uc810\uac80 \ubaa8\ub2c8\ud130\ub9c1 \ud560 \uc218 \uc788\ub2e4.<br \/>\n\u2461 \uc555\ub825 \uce21\uc815 \uad00\ub85c\uc5d0 \uc561\uccb4\ub294 impulse line\uc744 \uc218\uc9c1 \uc704\ub85c \uc124\uce58\ud55c\ub2e4.<br \/>\n\u2462 \uce21\uc815 impulse pipe \ub0b4\uc5d0 \uc774\ubb3c\uc9c8\uc774 \uc5c6\ub3c4\ub85d \uc644\uc804\ud558\uac8c \ube44\uc6b0\uac70\ub098, \ub610\ub294 \uc561\uccb4\ub97c \ubc00\ud3d0\ud55c\ub2e4. \uc561\uccb4\ub97c \ubcf4\ucda9\ud560 \uc218 \uc788\ub3c4\ub85d \uc870\uce58\ud55c\ub2e4.<\/p>\n<p>3. \uacb0\ub860<br \/>\n\uc720\ub7c9\uc740 \uc81c\ud488\uc774 \uc5bc\ub9c8\ub098 \uc18c\ube44\ub418\uc5c8\ub294\uc9c0(\uc9c8\ub7c9 \uae30\ubc18), \ubd80\ud53c \uae30\uc900\uc73c\ub85c \uc5bc\ub9c8\ub098 \uc18c\ube44\ub418\uc5c8\ub294\uc9c0 2\uac00\uc9c0 \uacbd\uc6b0\ub97c \uc0dd\uac01\ud560 \uc218 \uc788\ub2e4.<br \/>\n\ucc28\uc555 \uc720\ub7c9\uacc4\ub294 \uc124\uce58\uac00 \uc800\ub834\ud558\uace0 \uc6a9\uc774\ud558\uc5ec \ub300\ubd80\ubd84\uc758 \uc7a5\uc18c\uc5d0 \uc0ac\uc6a9\ub41c\ub2e4. \uac00\uaca9\uc774 \uc800\ub834<br \/>\n\uadf8\ub7ec\ub098 \uc124\uce58 \uc704\uce58\ub97c \ud2b9\uc815\ud560 \uc218 \uc5c6\uc5b4 \uc815\ud655\ud55c \uce21\uc815\uc5d0 \ud55c\uacc4\uac00 \uc788\ub2e4.<br \/>\n\ub05d.<\/p><\/div>\n<p class=\"muted\">\ubd07 \ud3c9\uac00: 4.5\/25, low confidence, \uc758\ubbf8 \ud574\uc11d \ubcf4\ub958. A~E \uc138\ubd80 \uc810\uc218\uc758 \ud569\uacc4\ub294 3\/25\ub85c \ud45c\uc2dc\ub418\uc5b4 \ucd1d\uc810\uacfc \ubd88\uc77c\uce58\ud558\ubbc0\ub85c \uc6b4\uc601 \ucc44\uc810 \ub85c\uadf8\ub97c \ubcc4\ub3c4\ub85c \uac80\uc99d\ud560 \ud544\uc694\uac00 \uc788\ub2e4. \uc774\ud6c4 \ub300\ud654\uc5d0\uc11c AI\uac00 \uc81c\uc548\ud55c 12.5\/25\ub294 \ub3c5\ub9bd\uc801\uc778 \uc7a0\uc815 \ud3c9\uac00\uc774\uba70 \uacf5\uc2dd \uc7ac\ucc44\uc810 \uacb0\uacfc\ub294 \uc544\ub2c8\ub2e4.<\/p>\n<h2>6. AI \ubcf4\uc644 \ub2f5\uc548 (\ubcc4\ub3c4 \uc791\uc131 \uc608\uc2dc)<\/h2>\n<p class=\"muted\">\uc6d0\ubcf8\uc758 \uc7a5\uc810(\uacc4\uce21 \uc6d0\ub9ac, \uacbd\uc81c\uc131, \uc790\uac00\uc9c4\ub2e8, \ubc31\uc5c5 \uac00\ub2a5\uc131)\uc744 \uc720\uc9c0\ud558\uba74\uc11c \ud45c\uc900 \uc124\uce58\u00b7\uc720\ucd9c\uacc4\uc218\u00b7\uc601\uad6c \uc555\ub825 \uc190\uc2e4\u00b7\uc624\ucc28 \ub300\ucc45\uc744 \ubcf4\uc644\ud55c \uc608\uc2dc\uc774\ub2e4.<\/p>\n<h3>\u2460 \uc11c\ub860 \ubc0f \uce21\uc815 \uc6d0\ub9ac<\/h3>\n<p>\uc720\ub7c9\uc740 \uacf5\uc815\uc758 \uc0dd\uc0b0\ub7c9\u00b7\uc18c\ube44\ub7c9\uacfc \uc81c\uc5b4\ub97c \uc704\ud574 \uccb4\uc801\uc720\ub7c9 \ub610\ub294 \uc9c8\ub7c9\uc720\ub7c9\uc73c\ub85c \uce21\uc815\ud55c\ub2e4. \ucc28\uc555\uc2dd \uc720\ub7c9\uacc4\ub294 \uc624\ub9ac\ud53c\uc2a4, \ub178\uc990, \ubca4\ud22c\ub9ac \ub4f1\uc758 1\ucc28 \uc694\uc18c(Primary Element)\ub97c \uc774\uc6a9\ud558\uc5ec \uc720\uc18d \ubcc0\ud654\uc5d0 \ub530\ub978 \ucc28\uc555\uc744 \ubc1c\uc0dd\uc2dc\ud0a4\uace0, \uc774\ub97c \ucc28\uc555\uc804\uc1a1\uae30\ub85c \uce21\uc815\ud574 \uc720\ub7c9\uc744 \uc0b0\ucd9c\ud55c\ub2e4.<\/p>\n<div class=\"formula\">Q<sub>v<\/sub> = [C<sub>d<\/sub>A<sub>o<\/sub> \/ \u221a(1\u2212\u03b2<sup>4<\/sup>)] \u221a(2\u0394P\/\u03c1), &nbsp; \u03b2=d\/D<\/div>\n<p>\uc5ec\uae30\uc11c C<sub>d<\/sub>\ub294 \uc720\ucd9c\uacc4\uc218, A<sub>o<\/sub>\ub294 \uc624\ub9ac\ud53c\uc2a4 \uba74\uc801, \u03b2\ub294 \uc9c1\uacbd\ube44\uc774\ub2e4. \uc774\ub294 \ube44\uc555\ucd95\uc131 \ub2e8\uc0c1 \uc720\ub3d9\uc758 \ub300\ud45c\uc2dd\uc774\ub2e4. \uae30\uccb4\u00b7\uc99d\uae30\ub294 \ud33d\ucc3d\uacc4\uc218\uc640 \ubb3c\uc131 \ubcf4\uc815\uc774 \ud544\uc694\ud558\ub2e4. \ud45c\uc900 \uc555\ub825 \ud0ed\uc744 \uc0ac\uc6a9\ud558\uace0 \ud574\ub2f9 \uc870\uac74\uc758 \uc720\ucd9c\uacc4\uc218\ub97c \uc801\uc6a9\ud574\uc57c \ud55c\ub2e4.<\/p>\n<h3>\u2461 \uc815\ud655\ub3c4 \uc601\ud5a5\uacfc \uac1c\uc120 \ub300\ucc45<\/h3>\n<ol>\n<li><strong>\uc5d8\ubcf4\u00b7\ubc38\ube0c \ub4f1\uc758 \uad50\ub780:<\/strong> \uc720\ub3d9 \ud504\ub85c\ud30c\uc77c \uc65c\uace1\u00b7\uc120\ud68c\ub958\ub97c \uc904\uc774\ub3c4\ub85d \uaddc\uc815\ub41c \uc9c1\uad00 \uae38\uc774 \ud655\ubcf4 \ubc0f \uc801\uc808\ud55c \uc720\ub3d9 \uc815\ub958 \uac80\ud1a0.<\/li>\n<li><strong>\uc720\uccb4 \ubb3c\uc131 \ubcc0\ud654:<\/strong> \uc628\ub3c4\u00b7\uc555\ub825\uc5d0 \ub530\ub978 \ubc00\ub3c4\u00b7\uc810\uc131 \ubcc0\ud654, Re\uc640 C<sub>d<\/sub> \uc801\uc6a9 \ubc94\uc704\ub97c \uac80\ud1a0\ud558\uace0 \ubcf4\uc815.<\/li>\n<li><strong>\uae30\uacc4\uc801 \ud615\uc0c1:<\/strong> \uc624\ub9ac\ud53c\uc2a4 \ub9c8\ubaa8\u00b7\uc624\uc5fc\u00b7\u03b2\u00b7\uc555\ub825 \ud0ed\uc758 \uac00\uacf5 \ubc84\ub97c \uc810\uac80\ud558\uace0 \ud45c\uc900 \uce58\uc218\u00b7\ud0ed \uc704\uce58 \uc720\uc9c0.<\/li>\n<li><strong>\uc804\uc1a1\uae30\u00b7\uc2e0\ud638:<\/strong> \uc601\uc810\u00b7\uc2a4\ud32c \uad50\uc815, \uc801\uc815 \ucc28\uc555 \ubc94\uc704 \uc124\uc815, \uc81c\uacf1\uadfc \uc5f0\uc0b0(\uc804\uc1a1\uae30 \ub610\ub294 DCS) \uc801\uc6a9.<\/li>\n<li><strong>Impulse Line:<\/strong> \ub204\uc124\u00b7\ub9c9\ud798\u00b7\uae30\ud3ec\u00b7\uc751\ucd95\uc561\u00b7\uc561\uc8fc \ub192\uc774 \ucc28\uc774\ub97c \uad00\ub9ac\ud558\uace0 \ubc30\uae30\u00b7\ubc30\uc218\u00b7\uade0\uc555 \uc808\ucc28 \ud655\ubcf4.<\/li>\n<\/ol>\n<h3>\u2462 \ud604\uc7a5 \uace0\ub824\uc640 \uacb0\ub860<\/h3>\n<p>\uc561\uccb4\uc6a9 \uc804\uc1a1\uae30\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc555\ub825 \ud0ed\ubcf4\ub2e4 \ub0ae\uac8c \ubc30\uce58\ud574 \uae30\ud3ec\uac00 \uac07\ud788\uc9c0 \uc54a\ub3c4\ub85d \ud558\uace0 \uc591\uce21 \uc561\uc8fc\ub97c \uc548\uc815\uc801\uc73c\ub85c \uc720\uc9c0\ud55c\ub2e4. \uacf5\uc815 \uc911\uc694\ub3c4\uc5d0 \ub530\ub77c \uc0c1\ud0dc\uc9c4\ub2e8\u00b7\ubaa8\ub2c8\ud130\ub9c1\uc744 \uc801\uc6a9\ud558\uba70, \uc0ac\uace0 \uc704\ud5d8\uc774 \ub192\uc740 \uacf3\uc5d0 \ud55c\ud574 \uc774\uc885 \uc13c\uc11c \uc774\uc911\ud654\uc758 \ud6a8\uacfc\uc640 \ube44\uc6a9\uc744 \ud3c9\uac00\ud55c\ub2e4. \uc601\uad6c \uc555\ub825 \uc190\uc2e4\uc774 \uc911\uc694\ud55c \uacf5\uc815\uc5d0\uc11c\ub294 \ubca4\ud22c\ub9ac \ub4f1 \ub300\uccb4 \ubc29\uc2dd\uacfc \uacbd\uc81c\uc131\uc744 \ube44\uad50\ud55c\ub2e4. \uacb0\ub860\uc801\uc73c\ub85c \ucc28\uc555\uc2dd \uc720\ub7c9\uacc4\uc758 \uc815\ud655\ub3c4\ub294 <strong>\ud45c\uc900 \ud615\uc0c1\u00b7\uc720\ub3d9 \uc870\uac74\u00b7\ud0ed\u00b7\ubb3c\uc131\u00b7\uc804\uc1a1\uae30\u00b7\uc784\ud384\uc2a4 \ub77c\uc778\uc758 \ud1b5\ud569 \uad00\ub9ac<\/strong>\ub85c \ud655\ubcf4\ub41c\ub2e4.<\/p>\n<h2>7. \ubcf5\uc2b5\uc6a9 \ud655\uc778 \uc9c8\ubb38<\/h2>\n<ol>\n<li>\uc65c Vena Contracta\ub97c \uc9c1\uc811 \ucc3e\uc9c0 \uc54a\uc544\ub3c4 \ud45c\uc900 \ud0ed\uc73c\ub85c \uc720\ub7c9\uc744 \uce21\uc815\ud560 \uc218 \uc788\ub294\uac00?<\/li>\n<li>\uc5d8\ubcf4 \ub4a4\uc758 \uc9c1\uad00\uc740 \ub2e8\uba74 \uc720\uc18d\uc744 \ubaa8\ub450 \uac19\uac8c \ub9cc\ub4dc\ub294\uac00, \uad50\ub780\uc744 \uc644\ud654\ud558\ub294\uac00?<\/li>\n<li>\uce21\uc815 \ucc28\uc555\uc774 60kPa\uc774\uace0 \uc601\uad6c \uc190\uc2e4\uc774 20kPa\ub77c\uba74 \ub098\uba38\uc9c0 40kPa\ub294 \ubb34\uc5c7\uc778\uac00?<\/li>\n<li>\uc561\uccb4\uc6a9 \uc804\uc1a1\uae30\uc758 HP\u00b7LP \uc561\uc8fc\uac00 \uac19\uc740 \ub192\uc774\ub85c \ucc44\uc6cc\uc838 \uc788\uc744 \ub54c \uc815\uc218\uc555\uc740 \uc65c \uc0c1\uc1c4\ub418\ub294\uac00?<\/li>\n<li>Re\uac00 \uc99d\uac00\ud558\uba74 C<sub>d<\/sub>\ub3c4 \ud56d\uc0c1 \uac19\uc740 \ubc29\ud5a5\uc73c\ub85c \ubcc0\ud558\ub294\uac00?<\/li>\n<\/ol>\n<div class=\"source\"><strong>\uc790\ub8cc \uad6c\ubd84 \ubc0f \ucd9c\ucc98<\/strong><br \/>\u2460 \uc0ac\uc6a9\uc790 \uc6d0\ubcf8 \ub2f5\uc548\uacfc 2026-11-10~11-11 \ubb38\ub2f5: \uac1c\uc778 \ud559\uc2b5 \uc790\ub8cc(\ubcf8 \uae00\uc758 \uc8fc\uc694 \uadfc\uac70).<br \/>\u2461 Tony R. Kuphaldt, <em>Lessons In Industrial Instrumentation<\/em> v2.32 (2019), Chapter 22.1, pp.1622\u20131625, \ucca8\ubd80 PDF pp.1649\u20131652. CC BY 4.0, \uc6d0\uc11c \uadf8\ub9bc \ubc1c\ucdcc\u00b7\ud06c\uae30 \ucd95\uc18c, \ubb38\uc7a5 \uc694\uc57d\u00b7\ud574\uc124 \ucd94\uac00.<br \/>\u2462 ISO 5167-2\uc758 \ud0ed \uaddc\uc815\uc740 \ucc38\uace0 \ubb38\ub9e5\uc73c\ub85c\ub9cc \uc5b8\uae09. \ubcf8 \uae00\uc740 \uaddc\uaca9 \uc6d0\ubb38 \uc804\ubb38\uc744 \uc7ac\ud604\ud55c \ubb38\uc11c\uac00 \uc544\ub2c8\uba70 \uc2e4\uc81c \uc124\uacc4\ub294 \ucd5c\uc2e0 \ud45c\uc900 \uc870\uac74 \ud655\uc778 \ud544\uc694.<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\ucc28\uc555\uc2dd \uc720\ub7c9\uacc4\uc758 \uce21\uc815 \ucc28\uc555\uacfc \uc601\uad6c \uc555\ub825 \uc190\uc2e4 \uad6c\ubcc4, \uc720\ucd9c\uacc4\uc218\u00b7Reynolds \uc218\u00b7\uc9c1\uad00\u00b7\uc561\uccb4\uc6a9 Impulse Line \ubcf5\uc2b5. \uc0ac\uc6a9\uc790 \uc6d0\ubcf8 \ub2f5\uc548\uacfc AI \ubcf4\uc644 \ub2f5\uc548 \ud3ec\ud568.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[1185],"tags":[2290,2293,2291,2294,1305],"wpgpxmaps_activity":[],"class_list":["post-9880","post","type-post","status-publish","format-standard","hentry","category-1185","tag---2","tag----2","tag-2291","tag-2294","tag-1305"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/posts\/9880","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/comments?post=9880"}],"version-history":[{"count":4,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/posts\/9880\/revisions"}],"predecessor-version":[{"id":9884,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/posts\/9880\/revisions\/9884"}],"wp:attachment":[{"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/media?parent=9880"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/categories?post=9880"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/tags?post=9880"},{"taxonomy":"wpgpxmaps_activity","embeddable":true,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/wpgpxmaps_activity?post=9880"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}