{"id":6116,"date":"2022-10-18T16:07:57","date_gmt":"2022-10-18T14:07:57","guid":{"rendered":"https:\/\/dienerprecisionpumps.com\/pump-cavitation-and-how-to-avoid-it\/"},"modified":"2023-03-10T05:14:49","modified_gmt":"2023-03-10T04:14:49","slug":"pump-cavitation-and-how-to-avoid-it","status":"publish","type":"post","link":"https:\/\/dienerprecisionpumps.com\/zh-hans\/pump-cavitation-and-how-to-avoid-it\/","title":{"rendered":"\u6cf5\u7684\u6c14\u8680\u53ca\u5982\u4f55\u907f\u514d"},"content":{"rendered":"

\u4ec0\u4e48\u662f\u6c14\u8680\uff1f<\/h2>\n

\u6c14\u8680\u662f\u6307\u5f53\u5c40\u90e8\u538b\u529b\u8fc5\u901f\u964d\u4f4e\u5230\u6db2\u4f53\u7684\u84b8\u6c7d\u538b\u529b\u4ee5\u4e0b\u65f6\uff0c\u5728\u6db2\u4f53\u5185\u90e8\u5f62\u6210\u84b8\u6c7d\u8154\uff08\u6c14\u6ce1\uff09\u3002\u8fd9\u5c31\u5728\u6db2\u4f53\u5185\u90e8\u5f62\u6210\u4e86\u4e00\u4e2a\u84b8\u6c7d\u6ce1\uff0c\u8fd9\u4e2a\u84b8\u6c7d\u6ce1\u901a\u5e38\u4f1a\u6301\u7eed\u5f88\u77ed\u7684\u65f6\u95f4\uff0c\u7136\u540e\u53c8\u7834\u88c2\u6210\u6db2\u4f53<\/p>\n

\u7834\u88c2\u8fc7\u7a0b\u662f\u5f88\u5267\u70c8\u7684\uff0c\u4ea7\u751f\u5de8\u5927\u7684\u7206\u88c2\u58f0\uff0c\u5e76\u7ecf\u5e38\u635f\u574f\u9644\u8fd1\u7684\u8868\u9762\u3002\u5373\u4f7f\u662f\u575a\u786c\u7684\u91d1\u5c5e\u4e5f\u4f1a\u5728\u53d7\u5230\u6c14\u6ce1\u5185\u7206\u6240\u4ea7\u751f\u7684\u5f3a\u70c8\u7684\u5c40\u90e8\u55b7\u5c04\u65f6\u51fa\u73b0\u51f9\u9677\u3002<\/p>\n

\"Lifecycle

\u84b8\u6c7d\u6ce1\u7684\u751f\u547d\u5468\u671f<\/p><\/div>\n

\u5728\u6cf5\u7684\u5185\u90e8\uff0c\u6c14\u8680\u5f80\u5f80\u8d77\u6e90\u4e8e\u8fd0\u52a8\u90e8\u4ef6\u7684\u540e\u9762\uff0c\u5176\u4e2d\u5b58\u5728\u5c40\u90e8\u7684\u4f4e\u538b\u533a\u57df\u3002\u5ba2\u6237\u53ef\u80fd\u4e0d\u4f1a\u6ce8\u610f\u5230\uff0c\u4f46\u4f1a\u5f00\u59cb\u635f\u574f\u6cf5\u5185\u7684\u90e8\u4ef6\uff0c\u5fc5\u987b\u907f\u514d\u3002\u968f\u7740\u7cfb\u7edf\u5165\u53e3\u538b\u529b\u7684\u964d\u4f4e\uff0c\u6c14\u8680\u5c06\u53d8\u5f97\u66f4\u52a0\u7a81\u51fa\uff0c\u4ea7\u751f\u6cf5\u7684\u6ce2\u52a8\uff0c\u53d1\u51fa\u5de8\u5927\u7684\u566a\u97f3\uff0c\u6709\u65f6\u8fd8\u4f1a\u5bfc\u81f4\u6cf5\u51fa\u53e3\u5904\u7684\u6d41\u4f53\u6d51\u6d4a\u3002<\/p>\n

\u6c14\u8680\u5f00\u59cb\u7684\u65f6\u95f4\u70b9\u662f\u975e\u5e38\u590d\u6742\u7684\u3002\u5b83\u662f\u6d41\u4f53\u7c98\u5ea6\u3001\u84b8\u6c7d\u538b\u529b\u3001\u5bc6\u5ea6\u3001\u6e29\u5ea6\u3001\u6db2\u538b\u5347\u7a0b\u3001\u5927\u6c14\u538b\u529b\u3001\u6cf5\u7684\u7c7b\u578b\u548c\u6cf5\u7684\u8f6c\u901f\u7b49\u56e0\u7d20\u7684\u7efc\u5408\u4f5c\u7528\u3002\u6c14\u8680\u7684\u524d\u5146\u901a\u5e38\u662f\u6db2\u4f53\u4e2d\u5939\u5e26\u7684\u5df2\u6709\u6c14\u4f53\u7684\u589e\u957f\u3002\u867d\u7136\u8fd9\u4e9b\u6c14\u6ce1\u4e0d\u4f1a\u5bf9\u6cf5\u9020\u6210\u635f\u574f\uff0c\u4f46\u4f1a\u964d\u4f4e\u6d41\u4f53\u8f93\u9001\u7684\u7cbe\u5ea6\u3002<\/p>\n

<\/p>\n

\u5165\u53e3\u9650\u5236<\/h2>\n

\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u4f7f\u7528\u6b63\u6392\u91cf\u6cf5\u65f6\u6700\u5e38\u89c1\u7684\u6c14\u8680\u73b0\u8c61\u662f\u7531\u4e8e\u5728\u6cf5\u7684\u5165\u53e3\u5904\u4f7f\u7528\u957f<\/p>\n

\u7684\u5c0f\u76f4\u5f84\u7684\u7ba1\u5b50\u9020\u6210\u7684\u3002\u901a\u8fc7\u7ba1\u9053\u7684\u538b\u964d\u7684\u4e00\u822c\u516c\u5f0f\u4e3a \uff0c\u5176\u4e2d\u3002<\/p>\n

Q=\u6d41\u91cf<\/p>\n

\u00b5 = \u52a8\u6001\u7c98\u5ea6<\/p>\n

L = \u5361\u5957\u7ba1\u957f\u5ea6<\/p>\n

D = \u5361\u5957\u7ba1\u5185\u5f84<\/p>\n

\u8bf7\u6ce8\u610f\uff0c\u538b\u964d\u53d6\u51b3\u4e8eD4\uff0c\u56e0\u6b64\uff0c\u5c06\u7ba1\u5b50\u7684\u5185\u5f84\u589e\u52a0\u4e00\u500d\uff0c\u538b\u964d\u5c06\u51cf\u5c1116\u500d! \u4e0a\u8ff0\u516c\u5f0f\u4ec5\u9002\u7528\u4e8e\u5c42\u6d41\uff08\u96f7\u8bfa\u6570<2320\uff09\u3002\u5bf9\u4e8e\u6e4d\u6d41\uff0c\u8be5\u65b9\u7a0b\u66f4\u4e3a\u590d\u6742\uff0c\u53d6\u51b3\u4e8e\u5bc6\u5ea6\u800c\u975e\u7c98\u5ea6\u3002<\/p>\n

\"DPP

DPP\u5c42\u6d41\u4e0e\u7ba1\u5185\u6e4d\u6d41\u7684\u6bd4\u8f83<\/p><\/div>\n

\u6cb9\u7ba1\u5e76\u4e0d\u662f\u6db2\u538b\u7cfb\u7edf\u8bbe\u8ba1\u8005\u7ecf\u5e38\u5ffd\u7565\u7684\u552f\u4e00\u538b\u964d\u6765\u6e90\u3002\u5165\u53e3\u8fc7\u6ee4\u5668\u3001\u6b62\u56de\u9600\u548c\u5b54\u9053\u90fd\u662f\u589e\u52a0\u5165\u53e3\u771f\u7a7a\u5ea6\u7684\u5143\u4ef6\u3002\u7279\u522b\u662f\u5355\u5411\u9600\uff0c\u5fc5\u987b\u8c28\u614e\u9009\u62e9\uff0c\u4ee5\u514d\u4ea7\u751f\u8fc7\u9ad8\u7684\u771f\u7a7a\u3002<\/p>\n

\u5f80\u590d\u5f0f\u6b63\u6392\u91cf\u6cf5\u7684\u6c14\u8680\u73b0\u8c61<\/h2>\n

\u5f80\u590d\u5f0f\u6b63\u6392\u91cf\u6cf5\u4e00\u822c\u4e0d\u4f1a\u50cf\u9ad8\u901f\u65cb\u8f6c\u6cf5\u90a3\u6837\u51fa\u73b0\u5185\u90e8\u9ad8\u5ea6\u5c40\u90e8\u6c14\u8680\u3002\u7136\u800c\uff0c\u5b83\u4eec\u786e\u5b9e\u5177\u6709\u9ad8\u5ea6\u8109\u52a8\u7684\u6d41\u91cf\uff0c\u4ece\u800c\u5bfc\u81f4\u5cf0\u503c\u6d41\u91cf\u8fbe\u5230\u5e73\u5747\u6d41\u91cf\u7684\u4e09\u500d\u3002\u66f4\u91cd\u8981\u7684\u662f\uff0c\u6d41\u4f53\u7684\u9891\u7e41\u505c\u6b62\/\u542f\u52a8\u4f1a\u5728\u5165\u53e3\u5904\u4ea7\u751f\u57fa\u4e8e\u60ef\u6027\u7684\u771f\u7a7a\u3002\u5f53\u6cf5\u5f00\u59cb\u901a\u8fc7\u5165\u53e3\u5c06\u6d41\u4f53\u5438\u5165\u65f6\uff0c\u540e\u9762\u7684\u6d41\u4f53\u5fc5\u987b\u52a0\u901f\u3002\u4e0e\u7c98\u6027\u963b\u529b\u4e00\u6837\uff0c\u957f\u7684\u7ec6\u7ba1\u5bf9\u4e8e\u4e0e\u6d41\u4f53\u52a0\u901f\u76f8\u5173\u7684\u771f\u7a7a\u5ea6\u662f\u6700\u5dee\u7684\uff08\u4e0eD2\u6210\u6b63\u6bd4\uff09\u3002\u5f80\u590d\u6cf5\u7684\u8fd9\u4e9b\u65b9\u9762\u4f1a\u8ba9\u4e3a\u5e73\u5747\u6d41\u91cf\u8bbe\u8ba1\u7684\u7cfb\u7edf\u5de5\u7a0b\u5e08\u611f\u5230\u60ca\u8bb6\u3002<\/p>\n

\"Pulsed

\u5f80\u590d\u6cf5\u4e2d\u7684\u8109\u52a8\u6d41\u91cf\u3002<\/p><\/div>\n

\u9664\u4e86\u524d\u9762\u63d0\u5230\u7684\u4ea7\u751f\u771f\u7a7a\u7684\u963b\u529b\u5916\uff0c\u9ad8\u901f\u8fd0\u52a8\u5143\u4ef6\u4f1a\u5728\u7d27\u9760\u8fd0\u52a8\u5143\u4ef6\u7684\u540e\u9762\u4ea7\u751f\u4f4e\u538b\u533a\u57df\u3002\u8fd9\u5728\u8f83\u9ad8\u76f4\u5f84\u7684\u90e8\u4ef6\u4e2d\u662f\u4e00\u79cd\u98ce\u9669\uff0c\u5982\u87ba\u65cb\u6868\u6216\u79bb\u5fc3\u6cf5\u7684\u53f6\u8f6e\uff0c\u5bf9\u8f83\u5c0f\u7684\u9f7f\u8f6e\u6cf5\u5f71\u54cd\u4e0d\u5927\u3002\u7136\u800c\uff0c\u5728\u9f7f\u8f6e\u6cf5\u7684\u9f7f\u8f6e\u556e\u5408\u5904\u53ef\u80fd\u4f1a\u53d1\u751f\u5185\u90e8\u6c14\u8680\uff0c\u56e0\u4e3a\u4e24\u4e2a\u9f7f\u8f6e\u4e4b\u95f4\u7684\u7a7a\u9699\u6253\u5f00\u4e86\uff0c\u65b0\u4ea7\u751f\u7684\u4f53\u79ef\u5f88\u5feb\u5c31\u4f1a\u5145\u6ee1\u6db2\u4f53\u3002\u8fd9\u79cd\u5f71\u54cd\u53ef\u4ee5\u901a\u8fc7\u7cbe\u5bc6\u52a0\u5de5\u7684\u659c\u9f7f\u8f6e\u6700\u5c0f\u5316\uff0c\u4ea7\u751f\u9f7f\u8f6e\u556e\u5408\u7684\u5e73\u6ed1\u5f00\u53e3\u3002\u7136\u800c\uff0c\u6cf5\u7684\u5185\u90e8\u673a\u6784\u5728\u8f6c\u901f\u8d85\u8fc73000\u8f6c\/\u5206\u7684\u60c5\u51b5\u4e0b\uff0c\u4f1a\u5728\u6c34\u4e2d\u4ea7\u751f\u9ad8\u8fbe0.1\u5df4\u7684\u5c40\u90e8\u538b\u964d\u3002<\/p>\n

 <\/p>\n

\"Common

\u5916\u556e\u5408\u9f7f\u8f6e\u6cf5\u4e2d\u5e38\u89c1\u7684\u6c14\u8680\u4f4d\u7f6e<\/p><\/div>\n

\u5916\u556e\u5408\u9f7f\u8f6e\u6cf5\u7684\u5e38\u89c1\u6c14\u8680\u4f4d\u7f6e<\/h2>\n

\u8815\u52a8\u6cf5\u548c\u53f6\u6cf5\u7684\u6d41\u91cf\u66f2\u7ebf\u6709\u6bd4\u8f83\u5f3a\u7684\u8109\u52a8\u3002\u8fd9\u79cd\u8109\u52a8\u4f1a\u4ea7\u751f\u4e0e\u5f80\u590d\u6cf5\u7c7b\u4f3c\u7684\u77ac\u65f6\u771f\u7a7a\u3002\u56e0\u6b64\uff0c\u5728\u5b9e\u65bd\u8fd9\u4e9b\u7c7b\u578b\u7684\u6cf5\u65f6\u5fc5\u987b\u5c0f\u5fc3\u3002<\/p>\n

\u51c0\u6b63\u5438\u6c14\u5934 (NPSH)<\/h2>\n

NPSH\u662f\u571f\u6728\u5de5\u7a0b\u5e08\u5e38\u7528\u7684\u4e00\u4e2a\u6307\u6807\u3002\u5728\u8fd9\u4e2a\u884c\u4e1a\u4e2d\uff0c\u79bb\u5fc3\u6cf5\u548c\u6da1\u8f6e\u673a\u5236\u9020\u5546\u901a\u5e38\u4f1a\u7ed9\u4ed6\u4eec\u7684\u6cf5\u4e00\u4e2aNPSH\u7b49\u7ea7\uff0c\u8868\u793a\u5728\u5438\u6c14\u53e3\u5904\u9700\u8981\u4fdd\u6301\u6cf5\u4e0d\u53d1\u751f\u6c14\u8680\u7684\u6700\u5c0f\u538b\u529b\u3002NPSH\u901a\u5e38\u4ee5\u82f1\u5c3a\u4e3a\u5355\u4f4d\uff0c\u56e0\u4e3a\u8fd9\u662f\u7f8e\u56fd\u571f\u6728\u5de5\u7a0b\u5e08\u5904\u7406\u7684\u5e38\u89c1\u538b\u529b\uff08\u626c\u7a0b\uff09\u5355\u4f4d\uff0c\u533b\u7597\u3001\u98df\u54c1\u548c\u996e\u6599\u4ee5\u53ca\u8f7b\u5de5\u4e1a\u5e94\u7528\u4e2d\u7684\u6b63\u6392\u91cf\u6cf5\u901a\u5e38\u4e0d\u4f1a\u5c06NPSH\u503c\u9644\u52a0\u5230\u6cf5\u4e0a\uff0c\u56e0\u4e3a\u6d41\u4f53\u3001\u6e29\u5ea6\u3001\u901f\u5ea6\u548c\u5176\u4ed6\u64cd\u4f5c\u6761\u4ef6\u7684\u53d8\u5316\u5f88\u5927\u3002<\/p>\n

\u907f\u514d\u6c14\u8680\u7684\u6700\u4f73\u65b9\u6cd5\u662f\u5728\u6db2\u538b\u7cfb\u7edf\u8bbe\u8ba1\u7684\u65e9\u671f\u5c31\u4e0e\u6cf5\u4f9b\u5e94\u5546\u63a5\u89e6\u3002\u6cf5\u5de5\u7a0b\u5e08\u4e86\u89e3\u4ed6\u4eec\u7684\u6cf5\u7684\u7075\u654f\u5ea6\uff0c\u77e5\u9053\u4ec0\u4e48\u6c34\u5e73\u7684\u771f\u7a7a\u662f\u53ef\u4ee5\u5bb9\u5fcd\u7684\uff0c\u5e76\u4e14\u6709\u4e30\u5bcc\u7684\u7ecf\u9a8c\u6765\u5b9a\u5236\u6db2\u538b\u7cfb\u7edf\u4ee5\u907f\u514d\u6c14\u8680\u3002\u7cfb\u7edf\u8bbe\u8ba1\u4eba\u5458\u548c\u6cf5\u5de5\u7a0b\u5e08\u4e4b\u95f4\u7684\u7d27\u5bc6\u5408\u4f5c\u5c06\u7b80\u5316\u8bbe\u8ba1\u8fc7\u7a0b\uff0c\u907f\u514d\u5728\u8bbe\u8ba1\u5468\u671f\u7684\u540e\u671f\u8fdb\u884c\u53cd\u590d\u8bbe\u8ba1\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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