{"id":12757,"date":"2020-11-20T11:27:28","date_gmt":"2020-11-20T03:27:28","guid":{"rendered":"https:\/\/www.fun-in.com.tw\/blog\/?p=12757"},"modified":"2020-11-20T11:27:30","modified_gmt":"2020-11-20T03:27:30","slug":"trimix-%e7%9a%84-icd-1-5-%e6%b3%95%e5%89%87%e6%80%8e%e9%ba%bc%e8%a8%88%e7%ae%97","status":"publish","type":"post","link":"https:\/\/www.fun-in.com.tw\/blog\/?p=12757","title":{"rendered":"Trimix \u7684 ICD 1\/5 \u6cd5\u5247\u600e\u9ebc\u8a08\u7b97?"},"content":{"rendered":"<div class=\"fcbkbttn_buttons_block\" id=\"fcbkbttn_left\"><div class=\"fcbkbttn_button\">\n                            <a href=\"https:\/\/www.facebook.com\/funin\" target=\"_blank\">\n                                <img decoding=\"async\" src=\"https:\/\/www.fun-in.com.tw\/blog\/wp-content\/plugins\/facebook-button-plugin\/images\/standard-facebook-ico.png\" alt=\"Fb-Button\" \/>\n                            <\/a>\n                        <\/div><div class=\"fcbkbttn_like \"><fb:like href=\"https:\/\/www.fun-in.com.tw\/blog\/?p=12757\" action=\"like\" colorscheme=\"light\" layout=\"button_count\"  size=\"small\"><\/fb:like><\/div><div class=\"fb-share-button  \" data-href=\"https:\/\/www.fun-in.com.tw\/blog\/?p=12757\" data-type=\"button_count\" data-size=\"small\"><\/div><\/div>\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"643\" src=\"https:\/\/www.fun-in.com.tw\/blog\/wp-content\/uploads\/2020\/11\/Subsurface_ICD_ruleoffifth-1024x643.jpg\" alt=\"\" class=\"wp-image-12758\" srcset=\"https:\/\/www.fun-in.com.tw\/blog\/wp-content\/uploads\/2020\/11\/Subsurface_ICD_ruleoffifth-1024x643.jpg 1024w, https:\/\/www.fun-in.com.tw\/blog\/wp-content\/uploads\/2020\/11\/Subsurface_ICD_ruleoffifth-300x188.jpg 300w, https:\/\/www.fun-in.com.tw\/blog\/wp-content\/uploads\/2020\/11\/Subsurface_ICD_ruleoffifth-768x482.jpg 768w, https:\/\/www.fun-in.com.tw\/blog\/wp-content\/uploads\/2020\/11\/Subsurface_ICD_ruleoffifth-478x300.jpg 478w, https:\/\/www.fun-in.com.tw\/blog\/wp-content\/uploads\/2020\/11\/Subsurface_ICD_ruleoffifth.jpg 1581w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u5728\u6f5b\u6c34\u4e2d\u4f7f\u7528\u6c26\u6c23\u6642\uff0c\u9664\u4e86\u8981\u907f\u514d\u56e0\u70ba\u4f7f\u7528 Heliox\uff08\u53ea\u7528 O2 &amp; He\uff0c\u6c92\u6709 N2\uff09 \u4e0b\u5927\u6df1\u5ea6\u9020\u6210 HPNS\uff0c\u9084\u8981\u6ce8\u610f\u5728\u5207\u63db\u6c23\u6e90\u6642\u6709\u6c92\u6709\u53ef\u80fd\u6703\u767c\u751f ICD(Isobaric counterdiffusion)\u3002<br><br>\u6bd4\u8f03\u7c21\u55ae\u7684\u6cd5\u5247\u662f 1\/5\uff0c\u90191\/5\u662f\u4f86\u81ea\u5c0d\u8102\u8cea\u7684\u6eb6\u89e3\u5ea6\uff0c\u4e5f\u5c31\u662f<br>He: 0.015 atm^(-1)N: 0.067\u00a0atm^(-1)<br>\u7528 0.067\/0.015\u00a0\u53ef\u4ee5\u5f97\u5230\u5927\u7d04\u70ba 4.5\uff0c\u4e5f\u5c31\u662f\u6c2e\u5728\u8102\u8cea\u7684\u6eb6\u89e3\u5ea6\u6bd4\u6c26\u8981\u9ad8\u591a\u5c11\u500d\u3002\u70ba\u4e86\u4fdd\u5b88\u4e00\u9ede\uff0c\u6211\u5011\u628a\u00a01:4.5 => 1:5<br>\u9019\u5c31\u662f 1\/5\u00a0\u6cd5\u5247\u7684\u7531\u4f86\u3002<br><br><strong>[1\/5\u00a0\u6cd5\u5247\u53ef\u4ee5\u7c21\u5316\u904b\u7b97]<\/strong><br>\u6211\u5011\u7528 Tx 18\/45 -> EAN 50 @ 21m\u00a0\u5207\u63db\u4f86\u7576\u4f8b\u5b50<br>\u5148\u5229\u7528 Schreiner\u00a0\u7684\u65b9\u6cd5\uff0c\u8a08\u7b97\u6eb6\u89e3\u6c23\u9ad4\u7684\u7e3d\u91cf\uff1a<br>Tx 18\/45\u00a0\u88e1\u7684\u60f0\u6027\u6c23\u9ad4\u6709 45% He\u00a0\u548c 100-18-45 = 37% N2<br>EAN 50 \u88e1\u7684\u60f0\u6027\u6c23\u9ad4\u6709 0% He\u00a0\u548c 100-50-0 = 50% N2<br><br>(0.45 * 3.1 * 0.015) + (0.37 * 3.1 * 0.067) = 0.021 + 0.077 = 0.098<br>\u5207\u63db\u5f8c<br>(0 * 3.1 * 0.015) + (0.5 * 3.1 * 0.067) = 0 + 0.10385 = 0.10385<br>\u7b97\u51fa\u4f86\u662f\u589e\u52a0\u7684\u3002<br><br>\u5982\u679c\u6211\u5011\u6539\u7528 1\/5 \u6cd5\u5247\u4f86\u770b\u7684\u8a71\u6703\u66f4\u7c21\u55ae\u4e00\u9ede\uff1a\u5206\u5225\u7b97\u4e00\u4e0b deltaHe \u8ddf deltaN2 \u548c max deltaN2 \u770b\u770b deltaN2 \u6709\u6c92\u6709\u8d85\u904e maxN2 \u800c maxN2 \u5c31\u662f deltaHe * 1\/5<br><br>max N2 = deltaHe * 0.2 = (45%0) * 0.2 = 9%<br>delta N2 = (50-37)% = 13%<br>\u7b97\u51fa\u4f86\u662f\u8d85\u904e max N2 \u7684\u3002<br><br><strong>[Subsurface\u00a0\u7684 ICD\u00a0\u8b66\u793a\u529f\u80fd]<\/strong><br>Subsurface\u00a0\u5167\u5efa ICD 1\/5\u00a0\u6cd5\u5247\u8b66\u793a\u529f\u80fd\uff0c\u4f46\u8981\u5148\u5728\u8a2d\u5b9a\u88e1\u7684 Tech Setup\u00a0\u628a &#8220;Show warnings for isobaric counterdiffusion&#8221;\u00a0\u7684\u9078\u9805\u6253\u52fe\u3002<br><br>\u8a2d\u5b9a\u597d Tx 18\/45\u00a0\u8ddf EAN 50\u7136\u5f8c\u5728 Dive plan details\u00a0\u5c31\u6703\u986f\u793a\u525b\u525b\u8a08\u7b97\u7684 1\/5\u00a0\u6cd5\u5247\u7684\u7d50\u679c<br>\u9019\u6642\u5019\u5982\u679c\u4f60\u628a\u6c23\u6e90\u6539\u6210\u4f8b\u5982 Tx 21\/35 -> EAN 50\u00a0\u5c31\u53ef\u4ee5\u901a\u904e 1\/5\u00a0\u6cd5\u5247\u3002 <\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u6f5b\u6c34\u4e2d\u4f7f\u7528\u6c26\u6c23\u6642\uff0c\u9664\u4e86\u8981\u907f\u514d\u56e0\u70ba\u4f7f\u7528 Heliox\uff08\u53ea\u7528 O2 &amp; H &hellip; <a href=\"https:\/\/www.fun-in.com.tw\/blog\/?p=12757\">\u95b1\u8b80\u5168\u6587 <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/www.fun-in.com.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/12757"}],"collection":[{"href":"https:\/\/www.fun-in.com.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fun-in.com.tw\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fun-in.com.tw\/blog\/index.php?rest_route=\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fun-in.com.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=12757"}],"version-history":[{"count":1,"href":"https:\/\/www.fun-in.com.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/12757\/revisions"}],"predecessor-version":[{"id":12759,"href":"https:\/\/www.fun-in.com.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/12757\/revisions\/12759"}],"wp:attachment":[{"href":"https:\/\/www.fun-in.com.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=12757"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fun-in.com.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=12757"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fun-in.com.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=12757"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}