{"id":6676,"date":"2024-03-03T12:02:31","date_gmt":"2024-03-03T03:02:31","guid":{"rendered":"https:\/\/now0930.pe.kr\/wordpress\/?p=6676"},"modified":"2026-10-04T09:43:29","modified_gmt":"2026-10-04T00:43:29","slug":"%ec%a0%9c%ec%96%b4%eb%b0%b8%eb%b8%8c-%ec%86%8c%ec%9d%8c-%eb%b0%9c%ec%83%9d-%ec%9b%90%ec%9d%b8%ea%b3%bc-%eb%8c%80%ec%b1%85","status":"publish","type":"post","link":"https:\/\/now0930.pe.kr\/wordpress\/%ec%a0%9c%ec%96%b4%eb%b0%b8%eb%b8%8c-%ec%86%8c%ec%9d%8c-%eb%b0%9c%ec%83%9d-%ec%9b%90%ec%9d%b8%ea%b3%bc-%eb%8c%80%ec%b1%85\/","title":{"rendered":"\uc81c\uc5b4\ubc38\ube0c \uc18c\uc74c \ubc1c\uc0dd \uc6d0\uc778\uacfc \ub300\ucc45"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\uc81c\uc5b4\ubc38\ube0c\uc5d0\uc11c \uc18c\uc74c \ubc1c\uc0dd \uc6d0\uc778\uacfc \uc18c\uc74c \uc800\uac10 \ub300\ucc45\uc5d0 \ub300\ud558\uc5ec \uc124\uba85\ud558\uc2dc\uc624.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"936\" height=\"1280\" src=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2024\/03\/\uc81c\ubaa9-\uc5c6\uc74c-4.jpg\" alt=\"\" class=\"wp-image-6678\" srcset=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2024\/03\/\uc81c\ubaa9-\uc5c6\uc74c-4.jpg 936w, https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2024\/03\/\uc81c\ubaa9-\uc5c6\uc74c-4-768x1050.jpg 768w\" sizes=\"auto, (max-width: 936px) 100vw, 936px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"936\" height=\"1280\" src=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2024\/03\/\uc81c\ubaa9-\uc5c6\uc74c-1-3.jpg\" alt=\"\" class=\"wp-image-6679\" srcset=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2024\/03\/\uc81c\ubaa9-\uc5c6\uc74c-1-3.jpg 936w, https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2024\/03\/\uc81c\ubaa9-\uc5c6\uc74c-1-3-768x1050.jpg 768w\" sizes=\"auto, (max-width: 936px) 100vw, 936px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"936\" height=\"1280\" src=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2024\/03\/\uc81c\ubaa9-\uc5c6\uc74c-5.jpg\" alt=\"\" class=\"wp-image-6680\" srcset=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2024\/03\/\uc81c\ubaa9-\uc5c6\uc74c-5.jpg 936w, https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2024\/03\/\uc81c\ubaa9-\uc5c6\uc74c-5-768x1050.jpg 768w\" sizes=\"auto, (max-width: 936px) 100vw, 936px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/koreascience.kr\/article\/JAKO202107651733322.pdf\">JAKO202107651733322.pdf (koreascience.kr)<\/a><\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich\"><div class=\"wp-block-embed__wrapper\">\nhttps:\/\/koreascience.kr\/article\/CFKO201431749163527.pdf\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/blog.naver.com\/byulla\/221859602874\">https:\/\/blog.naver.com\/byulla\/221859602874<\/a><\/p>\n\n\n\n<div data-wp-interactive=\"core\/file\" class=\"wp-block-file\"><object data-wp-bind--hidden=\"!state.hasPdfPreview\" hidden class=\"wp-block-file__embed\" data=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2024\/03\/Differentiating-Between-Acoustic-and-Flow-Vibrations.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"Differentiating-Between-Acoustic-and-Flow-Vibrations\uc758 \uc0bd\uc785.\"><\/object><a id=\"wp-block-file--media-ddb7a29a-9583-45de-a71a-586afbed8f8c\" href=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2024\/03\/Differentiating-Between-Acoustic-and-Flow-Vibrations.pdf\">Differentiating-Between-Acoustic-and-Flow-Vibrations<\/a><a href=\"https:\/\/now0930.pe.kr\/wordpress\/wp-content\/uploads\/2024\/03\/Differentiating-Between-Acoustic-and-Flow-Vibrations.pdf\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-ddb7a29a-9583-45de-a71a-586afbed8f8c\">\ub2e4\uc6b4\ub85c\ub4dc<\/a><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.bechtel.com\/getattachment\/f04e2c25-b77e-4a9a-8843-776d671e022a\/Differentiating-Between-Acoustic-and-Flow-Vibrations.pdf?lang=en-US\">https:\/\/www.bechtel.com\/getattachment\/f04e2c25-b77e-4a9a-8843-776d671e022a\/Differentiating-Between-Acoustic-and-Flow-Vibrations.pdf?lang=en-US<\/a><\/p>\n\n\n\n&#8220;`html\n<div class=\"chapter19-wide\">\n\n  <h1>\uc81c\uc5b4\ubc38\ube0c \uc18c\uc74c \ubc1c\uc0dd \uc6d0\uc778\uacfc \ub300\ucc45<\/h1>\n\n  <div class=\"subtitle\">\n    Control Valve Noise \u00b7 AIV \u00b7 Cavitation \u00b7 Flashing \u00b7 Pressure Drop \u00b7 Flow Velocity\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>1. \uc81c\uc5b4\ubc38\ube0c \uc18c\uc74c \ubc1c\uc0dd \uc6d0\uc778<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \uc81c\uc5b4\ubc38\ube0c\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uc18c\uc74c\uc740\n      \uc720\uccb4\uac00 \uae30\uccb4\uc778\uc9c0 \uc561\uccb4\uc778\uc9c0\uc5d0 \ub530\ub77c\n      \ubc1c\uc0dd\uc6d0\uc778\uc774 \ub2ec\ub77c\uc9c4\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      \uae30\uccb4\n      \u2192\n      \uc555\ub825\uac15\ud558 \u00b7 \uace0\uc18d \uc720\ub3d9 \u00b7 \uace0\uc8fc\ud30c \uc9c4\ub3d9\n    <\/div>\n\n    <div class=\"formula\">\n      \uc561\uccb4\n      \u2192\n      Cavitation \u00b7 Flashing\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>2. \uae30\uccb4 \uc720\uccb4\uc758 \uc18c\uc74c<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \uace0\uc555\uc758 \uae30\uccb4\ub97c \ubc30\uad00\uc73c\ub85c \uc774\ub3d9\uc2dc\ud0a4\uae30 \uc704\ud574\uc11c\ub294\n      \uc81c\uc5b4\ubc38\ube0c \uc804\ud6c4\uc5d0\uc11c \uc555\ub825\uac15\ud558\uac00 \ubc1c\uc0dd\ud55c\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      High Pressure Gas\n      \u2192\n      Control Valve\n      \u2192\n      Pressure Drop\n    <\/div>\n\n    <p>\n      \uc774 \uacfc\uc815\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uc18c\uc74c\uc740\n      \uace0\uc8fc\ud30c \uc9c4\ub3d9\uc744 \ubc1c\uc0dd\uc2dc\ud0a4\uace0,\n      \ubc30\uad00\uc758 \ud53c\ub85c\ud30c\uad34\uc5d0 \uc601\ud5a5\uc744 \uc904 \uc218 \uc788\ub2e4.\n    <\/p>\n\n    <pre>\n      High Pressure Gas\n              \u2502\n              \u25bc\n        [ Control Valve ]\n              \u2502\n              \u25bc\n        \uae09\uaca9\ud55c \uc555\ub825\uac15\ud558\n              \u2502\n              \u25bc\n          \uace0\uc18d \uc720\ub3d9\n              \u2502\n              \u25bc\n         \uace0\uc8fc\ud30c \uc18c\uc74c\n              \u2502\n              \u25bc\n          \ubc30\uad00 \uc9c4\ub3d9\n              \u2502\n              \u25bc\n          \ud53c\ub85c \ud30c\uad34\n    <\/pre>\n\n    <div class=\"memory\">\n      <strong>\n        \uae30\uccb4\uc758 \uae09\uaca9\ud55c \uc555\ub825\uac15\ud558\ub294\n        \uace0\uc8fc\ud30c \uc18c\uc74c\uacfc \ubc30\uad00 \uc9c4\ub3d9\uc744 \ubc1c\uc0dd\uc2dc\ud0ac \uc218 \uc788\ub2e4.\n      <\/strong>\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>3. AIV<\/h2>\n\n  <div class=\"card\">\n\n    <div class=\"formula\">\n      AIV\n      =\n      Acoustic Induced Vibration\n    <\/div>\n\n    <p>\n      \ud544\uae30\uc5d0\uc11c\ub294 \uace0\uc555 \uae30\uccb4\uc758 \uc555\ub825\uac15\ud558\uc5d0\uc11c \ubc1c\uc0dd\ud55c\n      \uace0\uc8fc\ud30c \uc18c\uc74c\uc774 \ubc30\uad00\uc744 \uc9c4\ub3d9\uc2dc\ud0a4\uace0,\n      \uc7a5\uae30\uac04 \uc9c0\uc18d\ub420 \uacbd\uc6b0 \ubc30\uad00\uc758 \ud53c\ub85c\ud30c\uad34\ub85c \uc5f0\uacb0\ub420 \uc218 \uc788\ub294\n      \ud604\uc0c1\uc744 \ub2e4\ub8ec\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      Acoustic Energy\n      \u2192\n      Pipe Vibration\n      \u2192\n      Fatigue Damage\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>4. \uc561\uccb4 \uc720\uccb4\uc758 \uc18c\uc74c<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \uc561\uccb4\uac00 \uc81c\uc5b4\ubc38\ube0c\ub97c \ud1b5\uacfc\ud558\uba74\uc11c\n      \uae09\uaca9\ud55c \uc555\ub825\uac15\ud558\uac00 \ubc1c\uc0dd\ud558\uba74\n      Cavitation \ub610\ub294 Flashing\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      Liquid\n      +\n      Large Pressure Drop\n      \u2192\n      Cavitation \/ Flashing\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>5. Cavitation<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \ubc38\ube0c \ub0b4\ubd80\uc5d0\uc11c \uc555\ub825\uc774\n      \uc561\uccb4\uc758 \uc99d\uae30\uc555\ubcf4\ub2e4 \ub0ae\uc544\uc9c0\uba74\n      \uae30\ud3ec\uac00 \ubc1c\uc0dd\ud55c\ub2e4.\n    <\/p>\n\n    <p>\n      \uc774\ud6c4 \uc555\ub825\uc774 \ub2e4\uc2dc \uc99d\uae30\uc555 \uc774\uc0c1\uc73c\ub85c \ud68c\ubcf5\ub418\uba74\n      \uae30\ud3ec\uac00 \ubd95\uad34\ud558\uba74\uc11c \ucda9\uaca9\uacfc \uc18c\uc74c\uc774 \ubc1c\uc0dd\ud55c\ub2e4.\n    <\/p>\n\n    <pre>\n      Pressure\n         \u2191\n      P1 \u2502\u2500\u2500\u2500\u2500\u2500\u2500\u2500\\\n         \u2502        \\\n      Pv \u2502---------\\---- Vapor Pressure\n         \u2502          \\__\n         \u2502             \\____\n      P2 \u2502                  \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n         \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2192 Distance\n\n                  \u2193\n             Bubble \uc0dd\uc131\n\n                         \u2193\n                    \uc555\ub825 \ud68c\ubcf5\n\n                         \u2193\n                   Bubble \ubd95\uad34\n    <\/pre>\n\n    <div class=\"formula\">\n      Local Pressure\n      &lt;\n      Vapor Pressure\n      \u2192\n      Bubble Generation\n    <\/div>\n\n    <div class=\"formula\">\n      Pressure Recovery\n      \u2192\n      Bubble Collapse\n      \u2192\n      Noise \/ Impact\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>6. Flashing<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \ubc38\ube0c \ub0b4\ubd80\uc5d0\uc11c \uc555\ub825\uc774 \uc99d\uae30\uc555\ubcf4\ub2e4 \ub0ae\uc544\uc838\n      \uae30\ud3ec\uac00 \ubc1c\uc0dd\ud55c \ud6c4,\n      \ubc38\ube0c \ud6c4\ub2e8\uc5d0\uc11c\ub3c4 \uc555\ub825\uc774 \ucda9\ubd84\ud788 \ud68c\ubcf5\ub418\uc9c0 \uc54a\uc73c\uba74\n      \uae30\ud3ec\uac00 \uacc4\uc18d \uc720\uc9c0\ub41c\ub2e4.\n    <\/p>\n\n    <pre>\n      Pressure\n         \u2191\n      P1 \u2502\u2500\u2500\u2500\u2500\u2500\u2500\u2500\\\n         \u2502        \\\n      Pv \u2502---------\\---------------- Vapor Pressure\n         \u2502          \\\n         \u2502           \\____________\n      P2 \u2502                        \u2500\u2500\u2500  < Pv\n         \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2192 Distance\n\n              Bubble \ubc1c\uc0dd\n                   \u2502\n                   \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u25ba \uacc4\uc18d \uc720\uc9c0\n    <\/pre>\n\n    <div class=\"formula\">\n      P<sub>2<\/sub>\n      &lt;\n      P<sub>vapor<\/sub>\n      \u2192\n      Flashing\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>7. Cavitation\uacfc Flashing \ube44\uad50<\/h2>\n\n  <div class=\"table-wrap\">\n\n    <table>\n\n      <thead>\n        <tr>\n          <th>\uad6c\ubd84<\/th>\n          <th>Cavitation<\/th>\n          <th>Flashing<\/th>\n        <\/tr>\n      <\/thead>\n\n      <tbody>\n\n        <tr>\n          <td><strong>\uae30\ud3ec \ubc1c\uc0dd<\/strong><\/td>\n          <td>\ubc1c\uc0dd<\/td>\n          <td>\ubc1c\uc0dd<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>\ud6c4\ub2e8 \uc555\ub825<\/strong><\/td>\n          <td>\ub2e4\uc2dc \uc99d\uae30\uc555 \uc774\uc0c1\uc73c\ub85c \ud68c\ubcf5<\/td>\n          <td>\uc99d\uae30\uc555 \uc774\ud558\ub85c \uc720\uc9c0<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>\uae30\ud3ec<\/strong><\/td>\n          <td>\ubd95\uad34<\/td>\n          <td>\uacc4\uc18d \uc720\uc9c0<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>\uc8fc\uc694 \ud604\uc0c1<\/strong><\/td>\n          <td>\ucda9\uaca9 \u00b7 \uc18c\uc74c \u00b7 \uc190\uc0c1<\/td>\n          <td>2\uc0c1 \uc720\ub3d9 \uc9c0\uc18d<\/td>\n        <\/tr>\n\n      <\/tbody>\n\n    <\/table>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>8. \uc18c\uc74c \ubc29\uc9c0 \ub300\ucc45 \u2014 \ubc30\uad00 \ub450\uaed8 \uc99d\uac00<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \uccab \ubc88\uc9f8 \ub300\ucc45\uc740\n      \ubc30\uad00 \ub450\uaed8\ub97c \uc99d\uac00\uc2dc\ud0a4\ub294 \uac83\uc774\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      Pipe Thickness \u2191\n      \u2192\n      Vibration Resistance \u2191\n    <\/div>\n\n    <p>\n      \ud544\uae30\uc5d0\uc11c\ub294 Cavitation\uc774\ub098 AIV\uc5d0 \ub300\ud55c\n      \uacbd\ud5d8\uc801 \uacc4\uc0b0\uacfc \ucd5c\uadfc\uc758 \uc218\uce58\ud574\uc11d \uacb0\uacfc \ub4f1\uc744 \uc774\uc6a9\ud558\uc5ec\n      \ud544\uc694\ud55c \ubc30\uad00 \ub450\uaed8\ub97c \uc124\uacc4\uc5d0 \ubc18\uc601\ud560 \uc218 \uc788\ub2e4\uace0 \uae30\ub85d\ud55c\ub2e4.\n    <\/p>\n\n    <div class=\"memory\">\n      <strong>\n        \ubc30\uad00 \ub450\uaed8 \uc99d\uac00\ub294\n        \uc18c\uc74c\uc5d0 \uc758\ud574 \ubc1c\uc0dd\ud558\ub294 \ubc30\uad00 \uc9c4\ub3d9\uacfc\n        \ud53c\ub85c\ud30c\uad34\uc5d0 \ub300\ud55c \ub0b4\uc131\uc744 \ub192\uc774\ub294 \ubc29\ubc95\uc774\ub2e4.\n      <\/strong>\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>9. \uc555\ub825\uac15\ud558\ub97c \ub2e8\uacc4\uc801\uc73c\ub85c \ubd84\uc0b0<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \ud55c \ubc88\uc5d0 \ud070 \uc555\ub825\uac15\ud558\uac00 \ubc1c\uc0dd\ud558\uc9c0 \uc54a\ub3c4\ub85d\n      \uc555\ub825\uc744 \uc5ec\ub7ec \ub2e8\uacc4\ub85c \ub098\ub204\uc5b4 \uac10\uc18c\uc2dc\ud0a8\ub2e4.\n    <\/p>\n\n    <pre>\n      P1\n       \u2502\n       \u25bc\n      [Stage 1]\n       \u2502\n       \u25bc\n      [Stage 2]\n       \u2502\n       \u25bc\n      [Stage 3]\n       \u2502\n       \u25bc\n      P2\n    <\/pre>\n\n    <div class=\"formula\">\n      Large \u0394P\n      \u2192\n      \u0394P<sub>1<\/sub>\n      +\n      \u0394P<sub>2<\/sub>\n      +\n      \u0394P<sub>3<\/sub>\n    <\/div>\n\n    <p>\n      \uc555\ub825\uac15\ud558\ub97c \uc5ec\ub7ec \ub2e8\uacc4\ub85c \ubd84\uc0b0\ud558\uc5ec\n      \uae09\uaca9\ud55c \uc720\uc18d \uc99d\uac00\uc640\n      Cavitation \ubc1c\uc0dd \uac00\ub2a5\uc131\uc744 \uc904\uc774\ub294 \ubc29\uc2dd\uc774\ub2e4.\n    <\/p>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>10. \uc720\uccb4\uc758 \uc18d\ub3c4\ub97c \ub0ae\ucd98\ub2e4<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \ud544\uae30\uc5d0\uc11c\ub294\n      \uc720\uccb4 \uc18d\ub3c4\ub97c \ub0ae\ucd94\ub294 \uac83\uc744\n      \uc18c\uc74c \uc800\uac10 \ubc29\ubc95\uc73c\ub85c \uc81c\uc2dc\ud55c\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      Velocity \u2193\n      \u2192\n      Flow Energy \u2193\n      \u2192\n      Noise \/ Vibration \u2193\n    <\/div>\n\n    <p>\n      \uc18d\ub3c4\uc640 \uc555\ub825\uc758 \uad00\uacc4\ub97c \uace0\ub824\ud558\uc5ec\n      \ubc38\ube0c \ubc0f \ubc30\uad00 \ub0b4\ubd80\uc758 \uc720\uc18d\uc774\n      \uacfc\ub3c4\ud558\uac8c \uc99d\uac00\ud558\uc9c0 \uc54a\ub3c4\ub85d \uc124\uacc4\ud55c\ub2e4.\n    <\/p>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>11. \ubc30\uad00 \ub0b4\ubd80\uc5d0 \ub2e4\uacf5\ud310 \uc124\uce58<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \ubc30\uad00 \ub0b4\ubd80\uc5d0 \ub2e4\uacf5\ud310\uc744 \uc124\uce58\ud558\uc5ec\n      \ubc38\ube0c \uc804\ud6c4\uc758 \uae09\uaca9\ud55c \uc18d\ub3c4 \ubcc0\ud654\ub97c \uc904\uc778\ub2e4.\n    <\/p>\n\n    <pre>\n                         \ub2e4\uacf5\ud310\n                          \u2502\n                          \u25bc\n      \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500[ Valve ]\u2500\u2500\u2500\u2500\u2551\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2551\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n             V3           V2           V1\n\n                      \ub2e4\uc218\uc758 \uc791\uc740 Hole\n                        \u00b7 \u00b7 \u00b7 \u00b7 \u00b7\n                        \u00b7 \u00b7 \u00b7 \u00b7 \u00b7\n    <\/pre>\n\n    <p>\n      \ud558\ub098\uc758 \ud070 \ud1b5\ub85c\ub85c \uc720\uccb4\uac00 \uc774\ub3d9\ud558\ub294 \ub300\uc2e0\n      \uc5ec\ub7ec \uac1c\uc758 \uc791\uc740 Hole\ub85c \uc720\uccb4\ub97c \ubd84\uc0b0\uc2dc\ud0a8\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      One Large Flow Path\n      \u2192\n      Multiple Small Flow Paths\n    <\/div>\n\n    <p>\n      \ud544\uae30\uc5d0\uc11c\ub294 \ub2e4\uacf5\ud310 \uc124\uce58 \ud6c4\n      \ubc38\ube0c \uc804\ud6c4\uc758 \uc18d\ub3c4\ucc28\ub97c \uc904\uc774\ub294 \ud6a8\uacfc\uac00 \uc788\ub2e4\uace0 \uae30\ub85d\ud55c\ub2e4.\n    <\/p>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>12. \ub2e4\uacf5\ud310\uc758 \uc18c\uc74c \uc800\uac10 \uc6d0\ub9ac<\/h2>\n\n  <div class=\"card\">\n\n    <pre>\n      Valve\n        \u2502\n        \u25bc\n      High Velocity\n        \u2502\n        \u25bc\n      [ Perforated Plate ]\n        \u2502\n        \u251c\u2500\u2500\u25ba \uc791\uc740 \uc720\ub85c\n        \u251c\u2500\u2500\u25ba \uc791\uc740 \uc720\ub85c\n        \u251c\u2500\u2500\u25ba \uc791\uc740 \uc720\ub85c\n        \u2514\u2500\u2500\u25ba \uc791\uc740 \uc720\ub85c\n               \u2502\n               \u25bc\n          Energy \ubd84\uc0b0\n               \u2502\n               \u25bc\n      Pressure \/ Velocity \ubcc0\ud654 \uc644\ud654\n    <\/pre>\n\n    <div class=\"memory\">\n      <strong>\n        \ub2e4\uacf5\ud310\uc740 \uc720\uccb4 \uc5d0\ub108\uc9c0\ub97c \uc5ec\ub7ec \uc720\ub85c\ub85c \ubd84\uc0b0\uc2dc\ucf1c\n        \uae09\uaca9\ud55c \uc555\ub825 \ubc0f \uc18d\ub3c4 \ubcc0\ud654\ub97c \uc904\uc774\ub294 \ubc29\ubc95\uc73c\ub85c\n        \ud544\uae30\uc5d0 \uae30\ub85d\ub418\uc5b4 \uc788\ub2e4.\n      <\/strong>\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>13. \uc18c\uc74c \uc800\uac10 \ub300\ucc45 \uc815\ub9ac<\/h2>\n\n  <div class=\"table-wrap\">\n\n    <table>\n\n      <thead>\n        <tr>\n          <th>\ub300\ucc45<\/th>\n          <th>\ud544\uae30 \ub0b4\uc6a9<\/th>\n        <\/tr>\n      <\/thead>\n\n      <tbody>\n\n        <tr>\n          <td><strong>\ubc30\uad00 \ub450\uaed8 \uc99d\uac00<\/strong><\/td>\n          <td>\uc9c4\ub3d9 \ubc0f \ud53c\ub85c\ud30c\uad34\uc5d0 \ub300\ud55c \ub0b4\uc131 \ud655\ubcf4<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>\uc555\ub825\uac15\ud558 \ubd84\uc0b0<\/strong><\/td>\n          <td>\ud55c \ubc88\uc758 \ud070 \uc555\ub825\uac15\ud558 \ub300\uc2e0 \ub2e8\uacc4\uc801\uc73c\ub85c \uac10\uc18c<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>\uc720\uccb4\uc18d\ub3c4 \uac10\uc18c<\/strong><\/td>\n          <td>\uc720\uccb4 \uc5d0\ub108\uc9c0\uc640 \uc18c\uc74c \uac10\uc18c<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>\ub2e4\uacf5\ud310 \uc124\uce58<\/strong><\/td>\n          <td>\uc720\ub85c\ub97c \ubd84\uc0b0\ud558\uc5ec \uc18d\ub3c4\ucc28 \ubc0f \uc555\ub825\ubcc0\ud654 \uc644\ud654<\/td>\n        <\/tr>\n\n      <\/tbody>\n\n    <\/table>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>14. \uacb0\ub860 \u2014 \ud544\uae30 \ub0b4\uc6a9<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \uc720\uccb4\uc758 \uc18d\ub3c4\ub97c \uc904\uc774\uac70\ub098\n      \ubc30\uad00\uc758 \ub450\uaed8\ub97c \uc99d\uac00\uc2dc\ud0a4\ub294 \ubc29\ubc95\uc744\n      \ubc30\uad00 \uc804\uccb4\uc5d0 \uc77c\ub960\uc801\uc73c\ub85c \uc801\uc6a9\ud558\uba74\n      \ud22c\uc790\ube44\uac00 \ub9ce\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\ub2e4.\n    <\/p>\n\n    <p>\n      \ub530\ub77c\uc11c \ubc30\uad00 \ub0b4\ubd80 \ud615\uc0c1\uc744 \ubcc0\uacbd\ud558\uac70\ub098,\n      \uace0\uc8fc\ud30c \uc9c4\ub3d9\uc744 \ucc28\ub2e8\ud558\ub294 \ubc29\uc2dd \ub4f1\n      \uc18c\uc74c\uc774 \ubc1c\uc0dd\ud558\ub294 \ubd80\ubd84\uc744 \uc911\uc2ec\uc73c\ub85c\n      \uac1c\uc120\ud558\ub294 \ubc29\ubc95\ub3c4 \uace0\ub824\ud560 \uc218 \uc788\ub2e4\uace0 \uae30\ub85d\ud55c\ub2e4.\n    <\/p>\n\n    <div class=\"formula\">\n      \uc804\uccb4 \ubc30\uad00 \uc77c\uad04 \ubcf4\uac15\n      \u2192\n      \ud22c\uc790\ube44 \u2191\n    <\/div>\n\n    <div class=\"formula\">\n      \ucde8\uc57d\ubd80 \uc911\uc2ec \uac1c\uc120\n      \u2192\n      \ud6a8\uc728\uc801\uc778 \ub300\ucc45\n    <\/div>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>15. \uc218\uce58\ud574\uc11d\uacfc \uc608\ubc29\ubcf4\uc804<\/h2>\n\n  <div class=\"card\">\n\n    <p>\n      \ub9c8\uc9c0\ub9c9 \ud544\uae30\uc5d0\uc11c\ub294\n      \uc218\uce58\ud574\uc11d \uacb0\uacfc \ub4f1\uc744 \uc801\uadf9\uc801\uc73c\ub85c \uc801\uc6a9\ud558\uc5ec\n      \ubc30\uad00 \ud30c\uc190 \uac00\ub2a5\uc131\uc744 \uc0ac\uc804\uc5d0 \uac80\ud1a0\ud558\ub294 \ubc29\ud5a5\uc744 \uc81c\uc2dc\ud55c\ub2e4.\n    <\/p>\n\n    <p>\n      \uc774\ub7ec\ud55c \ubc29\ubc95\uc744 \uc608\ubc29\ubcf4\uc804 \uc6d0\uce59\uacfc \uc5f0\uacb0\ud558\uba74\n      \ud22c\uc790\ube44\uc640 \ube44\uac00\ub3d9\uc2dc\uac04\uc744 \uc904\uc774\ub294 \ud6a8\uacfc\ub97c\n      \uae30\ub300\ud560 \uc218 \uc788\ub2e4\uace0 \uae30\ub85d\ud55c\ub2e4.\n    <\/p>\n\n    <pre>\n      Numerical Analysis\n              \u2502\n              \u25bc\n       \ucde8\uc57d \uc704\uce58 \uc608\uce21\n              \u2502\n              \u25bc\n       \uc120\ud0dd\uc801 \ubcf4\uac15 \/ \uac1c\uc120\n              \u2502\n              \u25bc\n        \uc608\ubc29\ubcf4\uc804 \uc801\uc6a9\n              \u2502\n        \u250c\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2510\n        \u25bc           \u25bc\n      \ud22c\uc790\ube44 \u2193    \ube44\uac00\ub3d9\uc2dc\uac04 \u2193\n    <\/pre>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <h2>16. \uc774\ubbf8\uc9c0 OCR \ud575\uc2ec \uc815\ub9ac<\/h2>\n\n  <div class=\"table-wrap\">\n\n    <table>\n\n      <thead>\n        <tr>\n          <th>\uad6c\ubd84<\/th>\n          <th>OCR \ub0b4\uc6a9<\/th>\n        <\/tr>\n      <\/thead>\n\n      <tbody>\n\n        <tr>\n          <td><strong>\uae30\uccb4<\/strong><\/td>\n          <td>\n            \uc555\ub825\uac15\ud558 \u2192 \uace0\uc8fc\ud30c \uc18c\uc74c \u2192 \ubc30\uad00 \uc9c4\ub3d9 \u2192 \ud53c\ub85c\ud30c\uad34\n          <\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>\uc561\uccb4<\/strong><\/td>\n          <td>\n            \uc555\ub825\uac15\ud558 \u2192 Cavitation \/ Flashing\n          <\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>Cavitation<\/strong><\/td>\n          <td>\n            \uae30\ud3ec \ubc1c\uc0dd \ud6c4 \uc555\ub825 \ud68c\ubcf5 \u2192 \uae30\ud3ec \ubd95\uad34\n          <\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>Flashing<\/strong><\/td>\n          <td>\n            \ubc38\ube0c \ud6c4\ub2e8\uc5d0\uc11c\ub3c4 \uc99d\uae30\uc555 \uc774\ud558 \u2192 \uae30\ud3ec \uc720\uc9c0\n          <\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>\ub300\ucc45 1<\/strong><\/td>\n          <td>\ubc30\uad00 \ub450\uaed8 \uc99d\uac00<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>\ub300\ucc45 2<\/strong><\/td>\n          <td>\uc555\ub825\uac15\ud558\ub97c \uc5ec\ub7ec \ub2e8\uacc4\ub85c \ubd84\uc0b0<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>\ub300\ucc45 3<\/strong><\/td>\n          <td>\uc720\uccb4 \uc18d\ub3c4 \uac10\uc18c<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>\ub300\ucc45 4<\/strong><\/td>\n          <td>\ub2e4\uacf5\ud310 \uc124\uce58<\/td>\n        <\/tr>\n\n        <tr>\n          <td><strong>\ucd94\uac00 \ubc29\ud5a5<\/strong><\/td>\n          <td>\n            \uc218\uce58\ud574\uc11d \u2192 \ucde8\uc57d\ubd80 \uc608\uce21 \u2192 \uc608\ubc29\ubcf4\uc804\n          <\/td>\n        <\/tr>\n\n      <\/tbody>\n\n    <\/table>\n\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <div class=\"warning\">\n    <strong>\n      \uc774 HTML\uc740 \ud398\uc774\uc9c0\uc758 \uc77c\ubc18 \ud544\uae30 \uc774\ubbf8\uc9c0 3\uc7a5\ub9cc OCR\/\uc2dc\uac01 \ud310\ub3c5\ud558\uc5ec \uc791\uc131\ud588\ub2e4.\n      \uc774 \ud398\uc774\uc9c0\uc5d0\ub294 NeoStudio PDF\uac00 \ud655\uc778\ub418\uc9c0 \uc54a\uc558\ub2e4.\n      \uc77c\ubd80 \uc190\uae00\uc528 \ubb38\uc7a5\uc740 \ud310\ub3c5\uc774 \ubd88\uba85\ud655\ud558\uc5ec\n      \uba85\ud655\ud558\uac8c \ud655\uc778\ub418\ub294 \uae30\uc220\uc801 \uc758\ubbf8\uae4c\uc9c0\ub9cc \ubc18\uc601\ud588\ub2e4.\n      \uc678\ubd80 \ucc38\uace0 PDF\uc640 \ud398\uc774\uc9c0 \ubcf8\ubb38\uc740 \ubcc0\ud658\uc5d0 \uc0ac\uc6a9\ud558\uc9c0 \uc54a\uc558\ub2e4.\n    <\/strong>\n  <\/div>\n\n\n  <!-- ================================================= -->\n  <div class=\"keywords\">\n    Control Valve Noise,\n    AIV, Acoustic Induced Vibration,\n    Cavitation, Flashing,\n    Pressure Drop, Vapor Pressure,\n    Flow Velocity, Pipe Vibration,\n    Fatigue Failure, Perforated Plate,\n    Multi Stage Pressure Reduction,\n    Preventive Maintenance\n  <\/div>\n\n<\/div>\n```\n","protected":false},"excerpt":{"rendered":"<p>\uc81c\uc5b4\ubc38\ube0c\uc5d0\uc11c \uc18c\uc74c \ubc1c\uc0dd \uc6d0\uc778\uacfc \uc18c\uc74c \uc800\uac10 \ub300\ucc45\uc5d0 \ub300\ud558\uc5ec \uc124\uba85\ud558\uc2dc\uc624. JAKO202107651733322.pdf (koreascience.kr) https:\/\/blog.naver.com\/byulla\/221859602874 https:\/\/www.bechtel.com\/getattachment\/f04e2c25-b77e-4a9a-8843-776d671e022a\/Differentiating-Between-Acoustic-and-Flow-Vibrations.pdf?lang=en-US &#8220;`html \uc81c\uc5b4\ubc38\ube0c \uc18c\uc74c \ubc1c\uc0dd \uc6d0\uc778\uacfc \ub300\ucc45 Control Valve Noise \u00b7 AIV \u00b7 Cavitation \u00b7 Flashing \u00b7 Pressure Drop \u00b7 Flow Velocity 1. \uc81c\uc5b4\ubc38\ube0c \uc18c\uc74c \ubc1c\uc0dd \uc6d0\uc778 \uc81c\uc5b4\ubc38\ube0c\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uc18c\uc74c\uc740 \uc720\uccb4\uac00 \uae30\uccb4\uc778\uc9c0 \uc561\uccb4\uc778\uc9c0\uc5d0 \ub530\ub77c \ubc1c\uc0dd\uc6d0\uc778\uc774 \ub2ec\ub77c\uc9c4\ub2e4. \uae30\uccb4 \u2192 \uc555\ub825\uac15\ud558 \u00b7 \uace0\uc18d \uc720\ub3d9 \u00b7 [&hellip;]<\/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_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[1185],"tags":[1408,1353,1355,1406,1409,1407],"class_list":["post-6676","post","type-post","status-publish","format-standard","hentry","category-1185","tag-aiv","tag-cavitation","tag-1355","tag-1406","tag-1409","tag-1407"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/posts\/6676","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=6676"}],"version-history":[{"count":2,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/posts\/6676\/revisions"}],"predecessor-version":[{"id":9588,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/posts\/6676\/revisions\/9588"}],"wp:attachment":[{"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/media?parent=6676"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/categories?post=6676"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/tags?post=6676"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}