{"id":10507,"date":"2018-07-02T05:50:19","date_gmt":"2018-07-01T21:50:19","guid":{"rendered":"http:\/\/www.fun-in.com.tw\/blog\/?p=10507"},"modified":"2018-07-02T05:50:19","modified_gmt":"2018-07-01T21:50:19","slug":"%e6%af%8f%e4%b8%8b%e6%bd%9b10m%e5%a3%93%e5%8a%9b%e5%b0%b1%e6%9c%83%e5%a2%9e%e5%8a%a0%e4%b8%80%e5%80%8bbar%e6%98%af%e6%80%8e%e9%ba%bc%e7%ae%97%e7%9a%84%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.fun-in.com.tw\/blog\/?p=10507","title":{"rendered":"\u6bcf\u4e0b\u6f5b10m\u58d3\u529b\u5c31\u6703\u589e\u52a0\u4e00\u500bBar\u662f\u600e\u9ebc\u7b97\u7684\uff1f"},"content":{"rendered":"
\n \n \"Fb-Button\"\n <\/a>\n <\/div>
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\n
\u6f5b\u6c34\u96fb\u8166\u8868\u662f\u5229\u7528\u300c\u58d3\u963b\u6548\u61c9\u300d(Piezo-resistive effect)\u53bb\u6e2c\u91cf\u6d77\u6c34\u7684\u58d3\u529b\uff0c\u7136\u5f8c\u53cd\u63a8\u56de\u6df1\u5ea6\uff0c\u524d\u63d0\u662f\u4f60\u5fc5\u9808\u77e5\u9053\u6d77\u6c34\u7684\u5bc6\u5ea6\u3002\u4ee5 Shearwater Teric \u4f86\u8aaa\uff0c\u63a1\u7528\u7684\u5bc6\u5ea6\u662f EN13319 \u898f\u5b9a\u7684 1020 kg\/m\u00b3\uff0c\u53ef\u662f\uff0c\u9019\u500b\u503c\u4ecb\u65bc\u6de1\u6c34\u548c\u6d77\u6c34\u4e4b\u9593\u963f\uff0c\u70ba\u4ec0\u9ebc\u8981\u63a1\u7528\u9019\u500b\u4e2d\u9593\u503c\u5462\uff1f<\/div>\n
\u5bc6\u5ea6\uff1a<\/div>\n
* \u6de1\u6c34 = 1000kg\/m\u00b3<\/div>\n
* EN13319 = 1020 kg\/m\u00b3<\/div>\n
* \u6d77\u6c34 = 1025 \u5230 1035 kg\/m\u00b3<\/div>\n
\u5176\u5be6\u662f\u70ba\u4e86\u8a08\u7b97\u65b9\u4fbf\uff01\u6f5b\u6c34\u6559\u79d1\u66f8\u4e0a\u5e38\u63d0\u5230\uff0c\u70ba\u4e86\u65b9\u4fbf\u7406\u89e3\u548c\u7c21\u5316\u554f\u984c\uff0c\u6211\u5011\u53ef\u4ee5\u8996\u70ba\u6bcf\u4e0b\u6f5b10m\u58d3\u529b\u5c31\u6703\u589e\u52a0\u4e00\u500bBar\u3002\u554f\u984c\u662f\u9019\u5176\u5be6\u662f\u8fd1\u4f3c\u7684\u8a08\u7b97\uff0c\u4e0b\u8d8a\u6df1\u8aa4\u5dee\u5c31\u6703\u8d8a\u5927\u3002\u56de\u60f3\u4e00\u4e0b\u5927\u5b78\u666e\u7269\u8ab2\u672c Fundamentals of Physics Extended \u8ab2\u672c\u7b2c 10 \u7248 p.391 \u7684 Gauge Pressure on Scuba Diver \u7684\u4f8b\u984c\u3002\u6211\u5011\u628a\u9019\u4f8b\u984c\u63db\u500b\u65b9\u5f0f\u554f\uff1a<\/div>\n
\u7576\u96fb\u8166\u8868\u7684\u6d77\u6c34\u5bc6\u5ea6\u8a2d\u5728\u591a\u5c11\u6578\u503c\u6642\uff0c\u4f60\u7684 gauge pressure \u6703\u525b\u597d\u6bcf\u4e0b 10m \u5c31\u589e\u52a0\u4e00\u500bBar??<\/div>\n
L = delta P \/ Rho*g<\/div>\n
L=10m<\/div>\n
delta P = 1 Bar = 10000 Pa = 10000 N\/m^2<\/div>\n
g = 9.8 m\/s^2<\/div>\n
\u73fe\u5728\u60f3\u77e5\u9053 Rho =??? \u6642\u7b49\u5f0f\u6210\u7acb\uff1f<\/div>\n
\u89e3\u65b9\u7a0b\u5f97\u5230 Rho = 1020 N*s^2\/m^4<\/div>\n
\u800c 1N = 1kg*m\/s^2<\/div>\n
\u6240\u4ee5\u6700\u5f8c\u5f97\u5230 Rho = 1020 kg\/m^3<\/div>\n
\u5c31\u6211\u7684\u6559\u5b78\u7d93\u9a57\u4f86\u8aaa\uff0c\u5f88\u591a\u8003\u6f5b\u6c34\u7269\u7406\u7684\u6f5b\u6c34\u9577\/\u6559\u7df4\u5019\u9078\u4eba\u5361\u5728\u7269\u7406\u9019\u4e00\u95dc\uff0c\u5176\u5be6\u8a08\u7b97\u7684\u6642\u5019\u5fc5\u9808\u7df4\u7fd2\u7269\u7406\u91cf\/\u55ae\u4f4d\u7684\u9748\u654f\u5ea6\uff0c\u4ee5\u9019\u4e00\u500b\u4f8b\u5b50\u4f86\u8aaa\uff0c\u4f60\u5fc5\u9808\u5f88\u6e05\u695a\u4ec0\u9ebc\u662f\u300c\u58d3\u529b\u300d\uff1f\u4ec0\u9ebc\u662f\u300c\u529b\u300d\uff1f<\/div>\n
\u8ddf\u6f5b\u6c34\u76f8\u95dc\u7684\u58d3\u529b\u7684\u63db\u7b97\u4e3b\u8981\u662f \u5927\u6c23\u58d3 & Bar & Pa \u8981\u8f49\u63db\u6210\u725b\u9813\u548c\u516c\u5c3a\u4f86\u8868\u793a<\/div>\n
\u8ddf\u6f5b\u6c34\u76f8\u95dc\u7684\u529b\u7684\u63db\u7b97\u4e3b\u8981\u662f\u725b\u9813\u8981\u6539\u7528\u516c\u65a4&\u516c\u5c3a&\u79d2\u4f86\u8868\u793a<\/div>\n
\u6700\u5f8c\u4f60\u624d\u6703\u5f97\u5230\u4ee5 kg\/m^3\u8868\u793a\u7684\u5bc6\u5ea6<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

\u6f5b\u6c34\u96fb\u8166\u8868\u662f\u5229\u7528\u300c\u58d3\u963b\u6548\u61c9\u300d(Piezo-resistive effect)\u53bb\u6e2c … \u95b1\u8b80\u5168\u6587 →<\/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":[319],"_links":{"self":[{"href":"https:\/\/www.fun-in.com.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/10507"}],"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=10507"}],"version-history":[{"count":1,"href":"https:\/\/www.fun-in.com.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/10507\/revisions"}],"predecessor-version":[{"id":10508,"href":"https:\/\/www.fun-in.com.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/10507\/revisions\/10508"}],"wp:attachment":[{"href":"https:\/\/www.fun-in.com.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10507"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fun-in.com.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10507"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fun-in.com.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10507"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}