{"id":263,"date":"2020-09-10T14:11:28","date_gmt":"2020-09-10T05:11:28","guid":{"rendered":"http:\/\/stevenoh0908.kro.kr\/blog\/?p=263"},"modified":"2021-06-18T00:19:09","modified_gmt":"2021-06-17T15:19:09","slug":"%ec%a7%80%ec%a0%81%ec%97%ac%ec%a0%95-5-%ed%83%9c%ec%96%91%ec%83%81%ec%88%98%ec%9d%98-%ec%9c%a0%eb%8f%84","status":"publish","type":"post","link":"https:\/\/stevenoh0908.pe.kr\/blog\/knowledges\/%ec%a7%80%ec%a0%81%ec%97%ac%ec%a0%95-5-%ed%83%9c%ec%96%91%ec%83%81%ec%88%98%ec%9d%98-%ec%9c%a0%eb%8f%84\/","title":{"rendered":"\uc9c0\uc801\uc5ec\uc815 #5. \ud0dc\uc591\uc0c1\uc218\uc758 \uc720\ub3c4"},"content":{"rendered":"\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><em> <\/em>&#8216;\uc9c0\uc801\uc5ec\uc815&#8217; \uc2dc\ub9ac\uc988\ub294 \ud544\uc790\uac00 \uace0\ub4f1\ud559\uad50 \uc218\uc5c5 \uc2dc\uac04\uc5d0 \ub5a0\uc62c\ub9b0 \uc758\ubb38\uc810 \ub4f1\uc5d0 \ub300\ud558\uc5ec \uc790\uccb4\uc801\uc778 \uc790\ub8cc \uc870\uc0ac\ub098 \uc5f0\uad6c\ub97c \ud1b5\ud558\uc5ec \uadf8 \ub2f5\uc744 \ucc3e\uace0, \uae30\ub85d\ud574\ub450\uae30 \uc704\ud574 \uae30\ud68d\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p><\/blockquote>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/stevenoh0908.pe.kr\/blog\/knowledges\/%ec%a7%80%ec%a0%81%ec%97%ac%ec%a0%95-5-%ed%83%9c%ec%96%91%ec%83%81%ec%88%98%ec%9d%98-%ec%9c%a0%eb%8f%84\/#%EC%A7%88%EB%AC%B8\" >\uc9c8\ubb38<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/stevenoh0908.pe.kr\/blog\/knowledges\/%ec%a7%80%ec%a0%81%ec%97%ac%ec%a0%95-5-%ed%83%9c%ec%96%91%ec%83%81%ec%88%98%ec%9d%98-%ec%9c%a0%eb%8f%84\/#%EB%8C%80%EB%8B%B5\" >\ub300\ub2f5<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/stevenoh0908.pe.kr\/blog\/knowledges\/%ec%a7%80%ec%a0%81%ec%97%ac%ec%a0%95-5-%ed%83%9c%ec%96%91%ec%83%81%ec%88%98%ec%9d%98-%ec%9c%a0%eb%8f%84\/#%EC%8A%88%ED%85%8C%ED%8C%90-%EB%B3%BC%EC%B8%A0%EB%A7%8C_%EB%B2%95%EC%B9%99\" >\uc288\ud14c\ud310-\ubcfc\uce20\ub9cc \ubc95\uce59<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/stevenoh0908.pe.kr\/blog\/knowledges\/%ec%a7%80%ec%a0%81%ec%97%ac%ec%a0%95-5-%ed%83%9c%ec%96%91%ec%83%81%ec%88%98%ec%9d%98-%ec%9c%a0%eb%8f%84\/#%ED%83%9C%EC%96%91_%EC%83%81%EC%88%98%EC%9D%98_%EC%9C%A0%EB%8F%84\" >\ud0dc\uc591 \uc0c1\uc218\uc758 \uc720\ub3c4<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%A7%88%EB%AC%B8\"><\/span>\uc9c8\ubb38<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p> \ud0dc\uc591\uc0c1\uc218(\uc9c0\uad6c\uc5d0\uc11c \ud0dc\uc591\ubcf5\uc0ac\uc120\uc5d0 \uc218\uc9c1\uc778 \ub2e8\uc704 \uba74\uc801, \ub2e8\uc704 \uc2dc\uac04\ub2f9 \ubc1b\ub294 \ud0dc\uc591 \ubcf5\uc0ac \uc5d0\ub108\uc9c0)\ub294 \ud0dc\uc591-\uc9c0\uad6c \uac04\uc758 \uac70\ub9ac\ub97c 1AU\ub97c \uae30\uc900\uc73c\ub85c \ud560 \ub54c \ud3c9\uade0\uac12\uc740 $1.36 \\times 10^3 W\/m^2$, \ubd84\ub2f9 \ubc1b\ub294 \ucd1d \uc5d0\ub108\uc9c0\ub294 \uc57d $81.65kJ\/m^2$\uc774\ub2e4. \uc5b4\ub5bb\uac8c \uc774\ub7ec\ud55c \uac12\uc774 \uc720\ub3c4\ub41c \uac83\uc77c\uae4c?<\/p><cite>\ud669\uc218\ubbfc \uc120\uc0dd\ub2d8. \uace0\uae09\uc9c0\uad6c\uacfc\ud559 \uc2e4\ud5d8 &lt;\ub300\uae30\uc5d0\uc11c\uc758 \ubcf5\uc0ac&gt; \uc218\uc5c5 \uc911 \ub5a0\uc624\ub978 \uc9c8\ubb38<\/cite><\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EB%8C%80%EB%8B%B5\"><\/span>\ub300\ub2f5<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"> \uacb0\uacfc\uc801\uc73c\ub85c \uc774\ub7ec\ud55c \uacb0\uacfc\ub294 \uac70\uc758 \ud751\uccb4\ub85c \uadfc\uc0ac\ud560 \uc218 \uc788\ub294 \ud0dc\uc591\uc774 \uc2dc\uac04\ub2f9 \ud45c\uba74\uc5d0\uc11c \ubc29\ucd9c\ud558\ub294 \ubcf5\uc0ac \uc77c\ub960\uc744 \uc9c0\uad6c\uc5d0\uc11c \ubc1b\ub294 \uc0c1\ud669\uc5d0 \ub300\ud574\uc11c \uacc4\uc0b0\ud558\uc5ec \uc5bb\uc5b4\uc9c4 \uac83\uc774\ub2e4.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/energium.kier.re.kr\/attach\/board\/energyrevolution\/20180419\/a18224156eab1dd22d71fa32e62599ee.jpg\" alt=\"\" width=\"580\" height=\"458\"\/><figcaption>\ud0dc\uc591\uc0c1\uc218\ub97c \uad6c\ud560 \ub54c \ud544\uc694\ud55c \ubb3c\ub9ac\ub7c9\uc758 \ub3c4\uc2dd \uac1c\uc694<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"> \ud0dc\uc591 \uc0c1\uc218\ub97c \uad6c\ud558\ub294 \uacfc\uc815\uc744 \uba3c\uc800 \uc0b4\ud3b4\ubcf4\uae30\uc5d0 \uc55e\uc11c\uc11c \uc6b0\uc120 <strong>\uc288\ud14c\ud310-\ubcfc\uce20\ub9cc \ubc95\uce59<\/strong>\uc744 \uc54c\uc544 \ub450\ub294 \uac83\uc774 \uc88b\uc744 \uac83 \uac19\uc544\uc11c \uba3c\uc800 \uae30\uc220\ud558\uaca0\ub2e4.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%8A%88%ED%85%8C%ED%8C%90-%EB%B3%BC%EC%B8%A0%EB%A7%8C_%EB%B2%95%EC%B9%99\"><\/span>\uc288\ud14c\ud310-\ubcfc\uce20\ub9cc \ubc95\uce59<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"> \uc8fc\uc5b4\uc9c0\ub294 \ubaa8\ub4e0 \ud30c\uc7a5\uc758 \uc804\uc790\uae30\ud30c\ub97c \ud761\uc218\ud558\ub294 \uac00\uc0c1\uc758 \ubb3c\uccb4\ub97c <strong>\ud751\uccb4(Black Body)<\/strong>\ub77c\uace0 \ud55c\ub2e4. \ud751\uccb4\uac00 \ub2e8\uc704 \uc2dc\uac04, \ub2e8\uc704 \uba74\uc801\ub2f9 \ubc29\ucd9c\ud558\ub294 \uc5d0\ub108\uc9c0(\ub2e8\uc704 \uba74\uc801 \ub2f9 \uc77c\ub960)\uc740 \uadf8 \ud751\uccb4\uc758 \ud45c\uba74 \uc808\ub300\uc628\ub3c4\uc758 4\uc2b9\uc5d0 \ube44\ub840\ud55c\ub2e4\ub294 \uac83\uc744 <strong>\uc288\ud14c\ud310-\ubcfc\uce20\ub9cc \ubc95\uce59<\/strong>\uc774\ub77c\uace0 \ud55c\ub2e4.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>${{dE} \\over {A dt}} = \\sigma T^4$, \uc288\ud14c\ud310-\ubcfc\uce20\ub9cc \uc0c1\uc218: $\\sigma = 5.6696 \\times 10^{-8} W\/m^{2} K^{4}$<\/p><cite>\uc288\ud14c\ud310-\ubcfc\uce20\ub9cc \ubc95\uce59<\/cite><\/blockquote>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%ED%83%9C%EC%96%91_%EC%83%81%EC%88%98%EC%9D%98_%EC%9C%A0%EB%8F%84\"><\/span>\ud0dc\uc591 \uc0c1\uc218\uc758 \uc720\ub3c4<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"> \ud0dc\uc591\uc758 \uacbd\uc6b0\ub294 \ud751\uccb4\uac00 \ubb3c\ub860 \uc544\ub2c8\uae34 \ud558\uc9c0\ub9cc \uadfc\uc0ac\uc801\uc73c\ub85c \ud751\uccb4\ub85c \ucde8\uae09\ud560 \uc218 \uc788\ub2e4. \ud0dc\uc591\uc774 \uadf8 \ud45c\uba74\uc801\uc744 \ud1b5\ud558\uc5ec \ubc29\ucd9c\ud55c \uc804\uc790\uae30 \ubcf5\uc0ac\uc5d0 \uc758\ud55c \uc77c\ub960\uc740 \ub2f9\uc5f0\ud788 \uc9c0\uad6c\uac00 \uadf8 \ud45c\uba74 \uc704\uc5d0 \uc788\ub294 \uad6c\uc758 \ud45c\uba74\uc801\uc744 \ud1b5\uacfc\ud558\ub294 \uc77c\ub960\uacfc \ub3d9\uc77c\ud558\ub2e4. \uc774\uac83\uc744 \uc774\uc6a9\ud558\uc5ec \ud0dc\uc591 \uc0c1\uc218\ub97c \uc720\ub3c4\ud558\uc790.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> \uba3c\uc800 \ud544\uc694\ud55c \ubb3c\ub9ac\ub7c9\uc740 \ub2e4\uc74c\uacfc \uac19\ub2e4. \ud0dc\uc591\uc758 \ubc18\uc9c0\ub984\uc758 \uacbd\uc6b0\ub294 \ub300\ud559\ubb3c\ub9ac\ud559 Serway Vol.9 KOR \ud310\uc744 \ucc38\uace0\ud558\uc600\ub294\ub370, \ub4a4\ucabd \ubd80\ub85d\uc5d0 \uac12\uc774 \uc798\ubabb \uc801\ud600\uc788\uc5c8\ub358 \ub355\ubd84\uc5d0 10\ubd84\uc744 \ud5c8\ube44\ud588\ub2e4. \uc800\uc790\ub4e4\uc5d0\uac8c \ub108\ubb34 \uace0\ub9c8\uc6e0\ub2e4.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\ud0dc\uc591\uc758 \uc77c\ub960: ${{dE_{sol}} \\over {dt}} = A \\sigma T_{sol}^{4} = (4 \\pi R_{sol}^{2})(\\sigma T_{sol}^{4})$<\/p><p>\uc77c\ub960 \ub3d9\uc77c: $(4 \\pi R_{sol-earth}^{2})I = {{dE_{sol}} \\over {dt}}$<\/p><p>$\\therefore I = {{1} \\over {4 \\pi R_{sol-earth}^{2}}} {{dE} \\over {dt}} = {{{4 \\pi R_{sol}^{2}} \\sigma T_{sol}^{4}}  \\over {4 \\pi R_{sol-earth}^{2}}} =  ({{R_{sol}} \\over {R_{sol-earth}}})^{2}(\\sigma T_{sol}^{4})$<br>$ = ({{6.96 \\times 10^{8} m} \\over {1.496 \\times 10^{11} m}})^{2}(5.6696 \\times 10^{-8} W\/m^{2}K^{4})(5800K)^{4} = 1.39 \\times 10^{3} W\/m^{2})$<\/p><p>\ub530\ub77c\uc11c 1\ubd84 \ub3d9\uc548\uc758 \uc9c0\uad6c\uc758 \ub2e8\uc704 \uba74\uc801\uc5d0 \uc785\uc0ac\ud55c \uc5d0\ub108\uc9c0\ub294 $E = (1.39 \\times 10^{3} W\/m^{2})(60s) = 83.3kJ\/m^{2} min$<\/p><\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\"> \uc774\ub294 \uc54c\ub824\uc9c4 \ud3c9\uade0\uac12\uacfc \uc57d 2.2% \uc815\ub3c4\uc758 \uc624\ucc28\ub97c \uac00\uc9c0\ubbc0\ub85c \ubc1b\uc544\ub4e4\uc77c \uc218 \uc788\ub294 \uac12\uc774\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&#8216;\uc9c0\uc801\uc5ec\uc815&#8217; \uc2dc\ub9ac\uc988\ub294 \ud544\uc790\uac00 \uace0\ub4f1\ud559\uad50 \uc218\uc5c5 \uc2dc\uac04\uc5d0 \ub5a0\uc62c\ub9b0 \uc758\ubb38\uc810 \ub4f1\uc5d0 \ub300\ud558\uc5ec \uc790\uccb4\uc801\uc778 \uc790\ub8cc \uc870\uc0ac\ub098 \uc5f0\uad6c\ub97c \ud1b5\ud558\uc5ec \uadf8 \ub2f5\uc744 \ucc3e\uace0, \uae30\ub85d\ud574\ub450\uae30 \uc704\ud574 \uae30\ud68d\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc9c8\ubb38 \ud0dc\uc591\uc0c1\uc218(\uc9c0\uad6c\uc5d0\uc11c \ud0dc\uc591\ubcf5\uc0ac\uc120\uc5d0 \uc218\uc9c1\uc778 \ub2e8\uc704 \uba74\uc801, \ub2e8\uc704 \uc2dc\uac04\ub2f9 \ubc1b\ub294 \ud0dc\uc591 \ubcf5\uc0ac \uc5d0\ub108\uc9c0)\ub294 \ud0dc\uc591-\uc9c0\uad6c \uac04\uc758 \uac70\ub9ac\ub97c 1AU\ub97c \uae30\uc900\uc73c\ub85c \ud560 \ub54c \ud3c9\uade0\uac12\uc740 $1.36 \\times 10^3 W\/m^2$, \ubd84\ub2f9 \ubc1b\ub294 \ucd1d \uc5d0\ub108\uc9c0\ub294 \uc57d $81. <a class=\"read-more\" href=\"https:\/\/stevenoh0908.pe.kr\/blog\/knowledges\/%ec%a7%80%ec%a0%81%ec%97%ac%ec%a0%95-5-%ed%83%9c%ec%96%91%ec%83%81%ec%88%98%ec%9d%98-%ec%9c%a0%eb%8f%84\/\">[&#8230;]<\/a><\/p>\n","protected":false},"author":18,"featured_media":467,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_share_on_mastodon":"0","_share_on_mastodon_status":"%title%\r\n\r\n%excerpt%\r\n\r\n%permalink%"},"categories":[4],"tags":[],"series":[12],"class_list":["post-263","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledges","series-12"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.9 - aioseo.com -->\n\t<meta name=\"description\" content=\"\uc5d0\ub514\ud130 &#039;\ucc45\ubc8c\ub808&#039;\uc758 \ud0dc\uc591\uc0c1\uc218\uc758 \uc720\ub3c4\uc5d0 \uad00\ud55c \uc9c0\uc801\uc5ec\uc815.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta 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