{"id":11374,"date":"2020-05-08T10:00:03","date_gmt":"2020-05-08T02:00:03","guid":{"rendered":"http:\/\/www.flowtechgd.com\/?p=11374"},"modified":"2020-05-08T10:00:07","modified_gmt":"2020-05-08T02:00:07","slug":"%e6%b0%b4%e6%b3%b5%e7%9a%84%e4%b8%bb%e8%a6%81%e5%8f%82%e6%95%b0%e6%9c%89%e5%93%aa%e4%ba%9b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.flowtechgd.com\/archives\/11374.html","title":{"rendered":"\u6c34\u6cf5\u7684\u4e3b\u8981\u53c2\u6570\u6709\u54ea\u4e9b\uff1f"},"content":{"rendered":"\n<p> \u6c34\u6cf5\u5728\u751f\u6d3b\u4e2d\u7684\u5e94\u7528\u8303\u56f4\u975e\u5e38\u5e7f\u6cdb\u3002\u5f53\u4f60\u8ba4\u8bc6\u4e86\u6cf5\uff0c\u60a8\u5c31\u4f1a\u53d1\u73b0\uff0c\u539f\u6765\u6cf5\u5c31\u50cf\u7a7a\u6c14\u4e00\u6837\uff0c\u904d\u5e03\u4e16\u754c\u6bcf\u4e00\u4e2a\u89d2\u843d\u3002\u6c34\u6cf5\u662f\u4e00\u79cd\u901a\u7528\u7684\u673a\u68b0\uff0c\u79cd\u7c7b\u4e4b\u591a\uff0c\u53ef\u7528\u4e8e\u519c\u7530\u704c\u6e89\u3001\u98df\u54c1\u52a0\u5de5\u3001\u822a\u5929\u6d77\u822a\u3001\u7535\u9540\u51b6\u70bc\u3001\u77f3\u6cb9\u5316\u5de5\u3001\u57ce\u5e02\u7ed9\u6392\u6c34\u7b49\u3002\u4e3e\u51e1\u6709\u6d41\u4f53\u7684\u5730\u65b9\uff0c\u5c31\u6709\u6cf5\u7684\u5b58\u5728\u3002<\/p>\n\n\n<p class=\"111\">&nbsp;<\/p>\n\n\n<p style=\"text-align:center\"><strong>1<\/strong><\/p>\n\n\n<p class=\"111\">&nbsp;<\/p>\n\n\n<p style=\"text-align:center\">\u6d41\u91cfq<\/p>\n\n\n<p class=\"111\">&nbsp;<\/p>\n\n\n<p>\u6d41\u91cf\u662f\u6cf5\u5728\u5355\u4f4d\u65f6\u95f4\u5185\u8f93\u9001\u51fa\u53bb\u7684\u6db2\u4f53\u91cf\uff08\u4f53\u79ef\u6216\u8d28\u91cf\uff09.<br>\u4f53\u79ef\u6d41\u91cf\u7528q\u8868\u793a,\u5355\u4f4d\u662f\uff1am3\/s,m3\/h,l\/s\u7b49.<br>\u8d28\u91cf\u6d41\u91cf\u7528qm\u8868\u793a,\u5355\u4f4d\u662f\uff1at\/h,kg\/s\u7b49.<br>\u8d28\u91cf\u6d41\u91cf\u548c\u4f53\u79ef\u6d41\u91cf\u7684\u5173\u7cfb\u4e3a\uff1aqm=\u03c1q<br>\u5f0f\u4e2d\u3000\u03c1\u2014\u2014\u6db2\u4f53\u7684\u5bc6\u5ea6\uff08kg\/m3,t\/m3\uff09,\u5e38\u6e29\u6e05\u6c34\u03c1=1000kg\/m3.<br><\/p>\n\n\n<p class=\"111\">&nbsp;<\/p>\n\n\n<p style=\"text-align:center\">&nbsp;<strong>2<\/strong><\/p>\n\n\n<p class=\"111\">&nbsp;<\/p>\n\n\n<p style=\"text-align:center\">\u626c\u7a0bh<\/p>\n\n\n<p class=\"111\">&nbsp;<\/p>\n\n\n<p>\u626c\u7a0b\u662f\u6c34\u6cf5\u6240\u62bd\u9001\u7684\u5355\u4f4d\u91cd\u91cf\u6db2\u4f53\u4ece\u6cf5\u8fdb\u53e3\u5904\uff08\u6cf5\u8fdb\u53e3\u6cd5\u5170\uff09\u5230\u6cf5\u51fa\u53e3\u5904\uff08\u6cf5\u51fa\u53e3\u6cd5\u5170\uff09\u80fd\u91cf\u7684\u589e\u503c.\u4e5f\u5c31\u662f\u4e00\u725b\u987f\u6db2\u4f53\u901a\u8fc7\u6cf5\u83b7\u5f97\u7684\u6709\u6548\u80fd\u91cf.\u5176\u5355\u4f4d\u662fn\u00b7m\/n=m,\u5373\u6cf5\u62bd\u9001\u6db2\u4f53\u7684\u6db2\u67f1\u9ad8\u5ea6,\u4e60\u60ef\u7b80\u79f0\u4e3a\u7c73.<\/p>\n\n\n<p class=\"111\">&nbsp;<\/p>\n\n\n<p style=\"text-align:center\"><strong>3<\/strong><\/p>\n\n\n<p class=\"111\">&nbsp;<\/p>\n\n\n<p style=\"text-align:center\">\u8f6c\u901fn<\/p>\n\n\n<p class=\"111\">&nbsp;<\/p>\n\n\n<p>\u8f6c\u901f\u662f\u6cf5\u8f74\u5355\u4f4d\u65f6\u95f4\u7684\u8f6c\u6570,\u7528\u7b26\u53f7n\u8868\u793a,\u5355\u4f4d\u662fr\/min.&nbsp;<\/p>\n\n\n<p class=\"111\">&nbsp;<\/p>\n\n\n<p style=\"text-align:center\"><strong>4<\/strong><br><\/p>\n\n\n<p class=\"111\">&nbsp;<\/p>\n\n\n<p style=\"text-align:center\">\u6c7d\u8680\u4f59\u91cfnpsh<\/p>\n\n\n<p class=\"111\">&nbsp;<\/p>\n\n\n<p>\u6c7d\u8680\u4f59\u91cf\u53c8\u53eb\u51c0\u6b63\u5438\u5934,\u662f\u8868\u793a\u6c7d\u8680\u6027\u80fd\u7684\u4e3b\u8981\u53c2\u6570.\u6c7d\u8680\u4f59\u91cf\u56fd\u5185\u66fe\u7528\u03b4h\u8868\u793a.<\/p>\n\n\n<p class=\"111\">&nbsp;<\/p>\n\n\n<p style=\"text-align:center\"><strong>5<\/strong><br><\/p>\n\n\n<p class=\"111\">&nbsp;<\/p>\n\n\n<p style=\"text-align:center\">\u529f\u7387\u548c\u6548\u7387<\/p>\n\n\n<p class=\"111\">&nbsp;<\/p>\n\n\n<p>\u6c34\u6cf5\u7684\u529f\u7387\u901a\u5e38\u662f\u6307\u8f93\u5165\u529f\u7387,\u5373\u539f\u52a8\u673a\u4f20\u652f\u6cf5\u8f74\u4e0a\u7684\u529f\u7387,\u6545\u53c8\u79f0\u4e3a\u8f74\u529f\u7387,\u7528p\u8868\u793a\uff1b<br>\u6cf5\u7684\u6709\u6548\u529f\u7387\u53c8\u79f0\u8f93\u51fa\u529f\u7387,\u7528pe\u8868\u793a.\u5b83\u662f\u5355\u4f4d\u65f6\u95f4\u5185\u4ece\u6cf5\u4e2d\u8f93\u9001\u51fa\u53bb\u7684\u6db2\u4f53\u5728\u6cf5\u4e2d\u83b7\u5f97\u7684\u6709\u6548\u80fd\u91cf.<br>\u56e0\u4e3a\u626c\u7a0b\u662f\u6307\u6cf5\u8f93\u51fa\u7684\u5355\u4f4d\u91cd\u6db2\u4f53\u4ece\u6cf5\u4e2d\u6240\u83b7\u5f97\u7684\u6709\u6548\u80fd\u91cf,\u6240\u4ee5,\u626c\u7a0b\u548c\u8d28\u91cf\u6d41\u91cf\u53ca\u91cd\u529b\u52a0\u901f\u5ea6\u7684\u4e58\u79ef,\u5c31\u662f\u5355\u4f4d\u65f6\u95f4\u5185\u4ece\u6cf5\u4e2d\u8f93\u51fa\u7684\u6db2\u4f53\u6240\u83b7\u5f97\u7684\u6709\u6548\u80fd\u91cf\u2014\u2014\u5373\u6cf5\u7684\u6709\u6548\u529f\u7387\uff1a<br>pe=\u03c1gqh(w)=\u03b3qh(w)<br>\u5f0f\u4e2d\u03c1\u2014\u2014\u6cf5\u8f93\u9001\u6db2\u4f53\u7684\u5bc6\u5ea6\uff08kg\/m3\uff09\uff1b<br>\u03b3\u2014\u2014\u6cf5\u8f93\u9001\u6db2\u4f53\u7684\u91cd\u5ea6\uff08n\/m3\uff09\uff1b<br>q\u2014\u2014\u6cf5\u7684\u6d41\u91cf\uff08m3\/s\uff09\uff1b<br>h\u2014\u2014\u6cf5\u7684\u626c\u7a0b\uff08m\uff09\uff1b<br>g\u2014\u2014\u91cd\u529b\u52a0\u901f\u5ea6(m\/s2).<br>\u8f74\u529f\u7387p\u548c\u6709\u6548\u529f\u7387pe\u4e4b\u5dee\u4e3a\u6cf5\u5185\u7684\u635f\u5931\u529f\u7387,\u5176\u5927\u5c0f\u7528\u6cf5\u7684\u6548\u7387\u6765\u8ba1\u91cf.\u6cf5\u7684\u6548\u7387\u4e3a\u6709\u6548\u529f\u7387\u548c\u8f74\u529f\u7387\u4e4b\u6bd4,\u7528\u03b7\u8868\u793a.<br><\/p>\n\n\n<p class=\"111\">&nbsp;<\/p>\n\n\n<p style=\"text-align:center\"><strong>6<\/strong><br><\/p>\n\n\n<p class=\"111\">&nbsp;<\/p>\n\n\n<p style=\"text-align:center\">\u4ec0\u4e48\u53eb\u6d41\u91cf?<\/p>\n\n\n<p class=\"111\">&nbsp;<\/p>\n\n\n<p>\u5355\u4f4d\u65f6\u95f4\u5185\u6cf5\u6392\u51fa\u6db2\u4f53\u7684\u4f53\u79ef\u53eb\u6d41\u91cf,\u6d41\u91cf\u7528q\u8868\u793a,\u8ba1\u91cf\u5355\u4f4d\uff1a\u7acb\u65b9\u7c73\/\u5c0f \u8f93\u6c34\u7ebf\u8def<br>\u65f6\uff08m3\/h\uff09,\u5347\/\u79d2\uff08l\/s\uff09,l\/s=3.6 m3\/h=0.06 m3\/min=60l\/min<br>g=q\u03c1 g\u4e3a\u91cd\u91cf \u03c1\u4e3a\u6db2\u4f53\u6bd4\u91cd<br>\u4f8b:\u67d0\u53f0\u6cf5\u6d41\u91cf50 m3\/h,\u6c42\u62bd\u6c34\u65f6\u6bcf\u5c0f\u65f6\u91cd\u91cf?\u6c34\u7684\u6bd4\u91cd\u03c1\u4e3a1000\u516c\u65a4\/\u7acb\u65b9\u7c73.<br>g=q\u03c1=50\u00d71000(m3\/h\u00b7kg\/ m3)=50000kg \/ h=50t\/h&nbsp;<br><\/p>\n\n\n<p class=\"111\">&nbsp;<\/p>\n\n\n<p style=\"text-align:center\"><strong>7<\/strong><br><\/p>\n\n\n<p class=\"111\">&nbsp;<\/p>\n\n\n<p style=\"text-align:center\">\u4ec0\u4e48\u53eb\u626c\u7a0b?<\/p>\n\n\n<p class=\"111\">&nbsp;<\/p>\n\n\n<p>\u5355\u4f4d\u91cd\u91cf\u6db2\u4f53\u901a\u8fc7\u6cf5\u6240\u83b7\u5f97\u7684\u80fd\u91cf\u53eb\u626c\u7a0b.\u6cf5\u7684\u626c\u7a0b\u5305\u62ec\u5438\u7a0b\u5728\u5185,\u8fd1\u4f3c\u4e3a\u6cf5\u51fa\u53e3\u548c\u5165\u53e3\u538b\u529b\u5dee.\u626c\u7a0b\u7528h\u8868\u793a,\u5355\u4f4d\u4e3a\u7c73\uff08m\uff09.\u6cf5\u7684\u538b\u529b\u7528p\u8868\u793a,\u5355\u4f4d\u4e3ampa\uff08\u5146\u5e15\uff09,h=p\/\u03c1.\u5982p\u4e3a1kg\/cm2,\u5219h=\uff08lkg\/ cm2)\/(1000kg\/ m3) h=(1kg\/ cm2)\/(1000\u516c\u65a4\/m3)=(10000\u516c\u65a4\/m2)\/1000\u516c\u65a4\/m3=10m 1mpa=10kg\/c m2,h=(p2-p1)\/\u03c1 (p2=\u51fa\u53e3\u538b\u529b p1=\u8fdb\u53e3\u538b\u529b)<\/p>\n\n\n<p class=\"111\">&nbsp;<\/p>\n\n\n<p style=\"text-align:center\">&nbsp;<strong>8<\/strong><br><\/p>\n\n\n<p class=\"111\">&nbsp;<\/p>\n\n\n<p style=\"text-align:center\">\u4ec0\u4e48\u53eb\u6c7d\u8680\u4f59\u91cf?<\/p>\n\n\n<p class=\"111\">&nbsp;<\/p>\n\n\n<p>\u6c34\u6cf5\u5728\u5de5\u4f5c\u65f6\u6db2\u4f53\u5728\u53f6\u8f6e\u7684\u8fdb\u53e3\u5904\u56e0\u4e00\u5b9a\u771f\u7a7a\u538b\u529b\u4e0b\u4f1a\u4ea7\u751f\u6c7d\u4f53,\u6c7d\u5316\u7684\u6c14\u6ce1\u5728\u6db2\u4f53\u8d28\u70b9\u7684\u649e\u51fb\u8fd0\u52a8\u4e0b,\u5bf9\u53f6\u8f6e\u7b49\u91d1\u5c5e\u8868\u9762\u4ea7\u751f\u5265\u8680,\u4ece\u800c\u7834\u574f\u53f6\u8f6e\u7b49\u91d1\u5c5e,\u6b64\u65f6\u771f\u7a7a\u538b\u529b\u53eb\u6c7d\u5316\u538b\u529b,\u6c7d\u8680\u4f59\u91cf\u662f\u6307\u5728\u6cf5\u5438\u5165\u53e3\u5904\u5355\u4f4d\u91cd\u91cf\u6db2\u4f53\u6240\u5177\u6709\u7684\u8d85\u8fc7\u6c7d\u5316\u538b\u529b\u7684\u5bcc\u4f59\u80fd\u91cf.\u5355\u4f4d\u7528\u7c73\u6807\u6ce8,\u7528\uff08npsh\uff09r.\u5438\u7a0b\u5373\u4e3a\u5fc5\u9700\u6c7d\u8680\u4f59\u91cf\u03b4h\uff1a\u5373\u6cf5\u5141\u8bb8\u5438\u6db2\u4f53\u7684\u771f\u7a7a\u5ea6,\u4ea6\u5373\u6cf5\u5141\u8bb8\u7684\u5b89\u88c5\u9ad8\u5ea6,\u5355\u4f4d\u7528\u7c73.<br>\u5438\u7a0b=\u6807\u51c6\u5927\u6c14\u538b\uff0810.33\u7c73\uff09-\u6c7d\u8680\u4f59\u91cf-\u5b89\u5168\u91cf\uff080.5\u7c73\uff09<br>\u6807\u51c6\u5927\u6c14\u538b\u80fd\u538b\u7ba1\u8def\u771f\u7a7a\u9ad8\u5ea610.33\u7c73.<br>\u4f8b\u5982\uff1a\u67d0\u6cf5\u5fc5\u9700\u6c7d\u8680\u4f59\u91cf\u4e3a4.0\u7c73,\u6c42\u5438\u7a0b\u03b4h<br>&nbsp;\u03b4h=10.33-4.0-0.5=5.83\u7c73<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6c34\u6cf5\u5728\u751f\u6d3b\u4e2d\u7684\u5e94\u7528\u8303\u56f4\u975e\u5e38\u5e7f\u6cdb\u3002\u5f53\u4f60\u8ba4\u8bc6\u4e86\u6cf5\uff0c\u60a8\u5c31\u4f1a\u53d1\u73b0\uff0c\u539f\u6765\u6cf5\u5c31\u50cf\u7a7a\u6c14\u4e00\u6837\uff0c\u904d\u5e03\u4e16\u754c\u6bcf\u4e00\u4e2a\u89d2\u843d\u3002\u6c34\u6cf5\u662f\u4e00\u79cd\u901a\u7528\u7684\u673a\u68b0\uff0c\u79cd\u7c7b\u4e4b\u591a\uff0c\u53ef\u7528\u4e8e\u519c\u7530\u704c\u6e89\u3001\u98df\u54c1\u52a0\u5de5\u3001\u822a\u5929\u6d77\u822a\u3001\u7535\u9540\u51b6\u70bc\u3001\u77f3\u6cb9\u5316\u5de5\u3001\u57ce\u5e02\u7ed9\u6392\u6c34\u7b49\u3002\u4e3e\u51e1\u6709\u6d41\u4f53\u7684\u5730\u65b9\uff0c\u5c31\u6709\u6cf5\u7684\u5b58\u5728\u3002 &nbsp; 1 &nbsp; \u6d41\u91cfq &nbsp; \u6d41\u91cf\u662f\u6cf5\u5728\u5355\u4f4d\u65f6\u95f4\u5185\u8f93\u9001\u51fa\u53bb\u7684\u6db2\u4f53\u91cf\uff08\u4f53\u79ef\u6216\u8d28\u91cf\uff09.\u4f53\u79ef\u6d41\u91cf\u7528q\u8868\u793a,\u5355\u4f4d\u662f\uff1am3\/s,m3\/h,l\/s\u7b49.\u8d28\u91cf\u6d41\u91cf\u7528qm\u8868\u793a,\u5355\u4f4d\u662f\uff1at\/h,kg\/s\u7b49.\u8d28\u91cf\u6d41\u91cf\u548c\u4f53\u79ef\u6d41\u91cf\u7684\u5173\u7cfb\u4e3a\uff1aqm=\u03c1q\u5f0f\u4e2d\u3000\u03c1\u2014\u2014\u6db2\u4f53\u7684\u5bc6\u5ea6\uff08kg\/m3,t\/m3\uff09,\u5e38\u6e29\u6e05\u6c34\u03c1=1000kg\/m3. &nbsp; &nbsp;2 &nbsp; \u626c\u7a0bh &nbsp; \u626c\u7a0b\u662f\u6c34\u6cf5\u6240\u62bd\u9001\u7684\u5355\u4f4d\u91cd\u91cf\u6db2\u4f53\u4ece\u6cf5\u8fdb\u53e3\u5904\uff08\u6cf5\u8fdb\u53e3\u6cd5\u5170\uff09\u5230\u6cf5\u51fa\u53e3\u5904\uff08\u6cf5\u51fa\u53e3\u6cd5\u5170\uff09\u80fd\u91cf\u7684\u589e\u503c.\u4e5f\u5c31\u662f\u4e00\u725b\u987f\u6db2\u4f53\u901a\u8fc7\u6cf5\u83b7\u5f97\u7684\u6709\u6548\u80fd\u91cf.\u5176\u5355\u4f4d\u662fn\u00b7m\/n=m,\u5373\u6cf5\u62bd\u9001\u6db2\u4f53\u7684\u6db2\u67f1\u9ad8\u5ea6,\u4e60\u60ef\u7b80\u79f0\u4e3a\u7c73. &nbsp; 3 &nbsp; \u8f6c\u901fn &nbsp; \u8f6c\u901f\u662f\u6cf5\u8f74\u5355\u4f4d\u65f6\u95f4\u7684\u8f6c\u6570,\u7528\u7b26\u53f7n\u8868\u793a,\u5355\u4f4d\u662fr\/min.&nbsp; &nbsp; 4 &nbsp; \u6c7d\u8680\u4f59\u91cfnpsh &nbsp; \u6c7d\u8680\u4f59\u91cf\u53c8\u53eb\u51c0\u6b63\u5438\u5934,\u662f\u8868\u793a\u6c7d\u8680\u6027\u80fd\u7684\u4e3b\u8981\u53c2\u6570.\u6c7d\u8680\u4f59\u91cf\u56fd\u5185\u66fe\u7528\u03b4h\u8868\u793a. &nbsp; 5 &nbsp; \u529f\u7387\u548c\u6548\u7387 &nbsp; \u6c34\u6cf5\u7684\u529f\u7387\u901a\u5e38\u662f\u6307\u8f93\u5165\u529f\u7387,\u5373\u539f\u52a8\u673a\u4f20\u652f\u6cf5\u8f74\u4e0a\u7684\u529f\u7387,\u6545\u53c8\u79f0\u4e3a\u8f74\u529f\u7387,\u7528p\u8868\u793a\uff1b\u6cf5\u7684\u6709\u6548\u529f\u7387\u53c8\u79f0\u8f93\u51fa\u529f\u7387,\u7528pe\u8868\u793a.\u5b83\u662f\u5355\u4f4d\u65f6\u95f4\u5185\u4ece\u6cf5\u4e2d\u8f93\u9001\u51fa\u53bb\u7684\u6db2\u4f53\u5728\u6cf5\u4e2d\u83b7\u5f97\u7684\u6709\u6548\u80fd\u91cf.\u56e0\u4e3a\u626c\u7a0b\u662f\u6307\u6cf5\u8f93\u51fa\u7684\u5355\u4f4d\u91cd\u6db2\u4f53\u4ece\u6cf5\u4e2d\u6240\u83b7\u5f97\u7684\u6709\u6548\u80fd\u91cf,\u6240\u4ee5,\u626c\u7a0b\u548c\u8d28\u91cf\u6d41\u91cf\u53ca\u91cd\u529b\u52a0\u901f\u5ea6\u7684\u4e58\u79ef,\u5c31\u662f\u5355\u4f4d\u65f6\u95f4\u5185\u4ece\u6cf5\u4e2d\u8f93\u51fa\u7684\u6db2\u4f53\u6240\u83b7\u5f97\u7684\u6709\u6548\u80fd\u91cf\u2014\u2014\u5373\u6cf5\u7684\u6709\u6548\u529f\u7387\uff1ape=\u03c1gqh(w)=\u03b3qh(w)\u5f0f\u4e2d\u03c1\u2014\u2014\u6cf5\u8f93\u9001\u6db2\u4f53\u7684\u5bc6\u5ea6\uff08kg\/m3\uff09\uff1b\u03b3\u2014\u2014\u6cf5\u8f93\u9001\u6db2\u4f53\u7684\u91cd\u5ea6\uff08n\/m3\uff09\uff1bq\u2014\u2014\u6cf5\u7684\u6d41\u91cf\uff08m3\/s\uff09\uff1bh\u2014\u2014\u6cf5\u7684\u626c\u7a0b\uff08m\uff09\uff1bg\u2014\u2014\u91cd\u529b\u52a0\u901f\u5ea6(m\/s2).\u8f74\u529f\u7387p\u548c\u6709\u6548\u529f\u7387pe\u4e4b\u5dee\u4e3a\u6cf5\u5185\u7684\u635f\u5931\u529f\u7387,\u5176\u5927\u5c0f\u7528\u6cf5\u7684\u6548\u7387\u6765\u8ba1\u91cf.\u6cf5\u7684\u6548\u7387\u4e3a\u6709\u6548\u529f\u7387\u548c\u8f74\u529f\u7387\u4e4b\u6bd4,\u7528\u03b7\u8868\u793a. &nbsp; 6 &nbsp; \u4ec0\u4e48\u53eb\u6d41\u91cf? &nbsp; \u5355\u4f4d\u65f6\u95f4\u5185\u6cf5\u6392\u51fa\u6db2\u4f53\u7684\u4f53\u79ef\u53eb\u6d41\u91cf,\u6d41\u91cf\u7528q\u8868\u793a,\u8ba1\u91cf\u5355\u4f4d\uff1a\u7acb\u65b9\u7c73\/\u5c0f \u8f93\u6c34\u7ebf\u8def\u65f6\uff08m3\/h\uff09,\u5347\/\u79d2\uff08l\/s\uff09,l\/s=3.6 m3\/h=0.06 m3\/min=60l\/ming=q\u03c1 g\u4e3a\u91cd\u91cf \u03c1\u4e3a\u6db2\u4f53\u6bd4\u91cd\u4f8b:\u67d0\u53f0\u6cf5\u6d41\u91cf50 m3\/h,\u6c42\u62bd\u6c34\u65f6\u6bcf\u5c0f\u65f6\u91cd\u91cf?\u6c34\u7684\u6bd4\u91cd\u03c1\u4e3a1000\u516c\u65a4\/\u7acb\u65b9\u7c73.g=q\u03c1=50\u00d71000(m3\/h\u00b7kg\/ m3)=50000kg \/ h=50t\/h&nbsp; &nbsp; 7 &nbsp; \u4ec0\u4e48\u53eb\u626c\u7a0b? &nbsp; \u5355\u4f4d\u91cd\u91cf\u6db2\u4f53\u901a\u8fc7\u6cf5\u6240\u83b7\u5f97\u7684\u80fd\u91cf\u53eb\u626c\u7a0b.\u6cf5\u7684\u626c\u7a0b\u5305\u62ec\u5438\u7a0b\u5728\u5185,\u8fd1\u4f3c\u4e3a\u6cf5\u51fa\u53e3\u548c\u5165\u53e3\u538b\u529b\u5dee.\u626c\u7a0b\u7528h\u8868\u793a,\u5355\u4f4d\u4e3a\u7c73\uff08m\uff09.\u6cf5\u7684\u538b\u529b\u7528p\u8868\u793a,\u5355\u4f4d\u4e3ampa\uff08\u5146\u5e15\uff09,h=p\/\u03c1.\u5982p\u4e3a1kg\/cm2,\u5219h=\uff08lkg\/ cm2)\/(1000kg\/ m3) h=(1kg\/ cm2)\/(1000\u516c\u65a4\/m3)=(10000\u516c\u65a4\/m2)\/1000\u516c\u65a4\/m3=10m 1mpa=10kg\/c m2,h=(p2-p1)\/\u03c1 (p2=\u51fa\u53e3\u538b\u529b p1=\u8fdb\u53e3\u538b\u529b) &nbsp; &nbsp;8 &nbsp; \u4ec0\u4e48\u53eb\u6c7d\u8680\u4f59\u91cf? &nbsp; \u6c34\u6cf5\u5728\u5de5\u4f5c\u65f6\u6db2\u4f53\u5728\u53f6\u8f6e\u7684\u8fdb\u53e3\u5904\u56e0\u4e00\u5b9a\u771f\u7a7a\u538b\u529b\u4e0b\u4f1a\u4ea7\u751f\u6c7d\u4f53,\u6c7d\u5316\u7684\u6c14\u6ce1\u5728\u6db2\u4f53\u8d28\u70b9\u7684\u649e\u51fb\u8fd0\u52a8\u4e0b,\u5bf9\u53f6\u8f6e\u7b49\u91d1\u5c5e\u8868\u9762\u4ea7\u751f\u5265\u8680,\u4ece\u800c\u7834\u574f\u53f6\u8f6e\u7b49\u91d1\u5c5e,\u6b64\u65f6\u771f\u7a7a\u538b\u529b\u53eb\u6c7d\u5316\u538b\u529b,\u6c7d\u8680\u4f59\u91cf\u662f\u6307\u5728\u6cf5\u5438\u5165\u53e3\u5904\u5355\u4f4d\u91cd\u91cf\u6db2\u4f53\u6240\u5177\u6709\u7684\u8d85\u8fc7\u6c7d\u5316\u538b\u529b\u7684\u5bcc\u4f59\u80fd\u91cf.\u5355\u4f4d\u7528\u7c73\u6807\u6ce8,\u7528\uff08npsh\uff09r.\u5438\u7a0b\u5373\u4e3a\u5fc5\u9700\u6c7d\u8680\u4f59\u91cf\u03b4h\uff1a\u5373\u6cf5\u5141\u8bb8\u5438\u6db2\u4f53\u7684\u771f\u7a7a\u5ea6,\u4ea6\u5373\u6cf5\u5141\u8bb8\u7684\u5b89\u88c5\u9ad8\u5ea6,\u5355\u4f4d\u7528\u7c73.\u5438\u7a0b=\u6807\u51c6\u5927\u6c14\u538b\uff0810.33\u7c73\uff09-\u6c7d\u8680\u4f59\u91cf-\u5b89\u5168\u91cf\uff080.5\u7c73\uff09\u6807\u51c6\u5927\u6c14\u538b\u80fd\u538b\u7ba1\u8def\u771f\u7a7a\u9ad8\u5ea610.33\u7c73.\u4f8b\u5982\uff1a\u67d0\u6cf5\u5fc5\u9700\u6c7d\u8680\u4f59\u91cf\u4e3a4.0\u7c73,\u6c42\u5438\u7a0b\u03b4h&nbsp;\u03b4h=10.33-4.0-0.5=5.83\u7c73<\/p>\n","protected":false},"author":1,"featured_media":11375,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[64,80],"tags":[],"_links":{"self":[{"href":"https:\/\/www.flowtechgd.com\/wp-json\/wp\/v2\/posts\/11374"}],"collection":[{"href":"https:\/\/www.flowtechgd.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.flowtechgd.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.flowtechgd.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.flowtechgd.com\/wp-json\/wp\/v2\/comments?post=11374"}],"version-history":[{"count":1,"href":"https:\/\/www.flowtechgd.com\/wp-json\/wp\/v2\/posts\/11374\/revisions"}],"predecessor-version":[{"id":11376,"href":"https:\/\/www.flowtechgd.com\/wp-json\/wp\/v2\/posts\/11374\/revisions\/11376"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.flowtechgd.com\/wp-json\/wp\/v2\/media\/11375"}],"wp:attachment":[{"href":"https:\/\/www.flowtechgd.com\/wp-json\/wp\/v2\/media?parent=11374"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.flowtechgd.com\/wp-json\/wp\/v2\/categories?post=11374"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.flowtechgd.com\/wp-json\/wp\/v2\/tags?post=11374"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}