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\u6563\u6599\u91c7\u6398\u8fc7\u7a0b\u4e2d\u7406\u8bba\u4e0eDEM \u4eff\u771f\u7684\u5207\u5c51\u4f53\u79ef\u53ca\u5f62\u72b6\uff08a\uff09\u03b8 = 0\u00b0 \uff08b\uff09\u03b8 = 60\u00b0 \uff08c\uff09\u03b8 = 120\u00b0\uff08c-1\uff09\u03b8 = 75\u00b0 \uff08c-2\uff09\u03b8 = 120\u00b0 \uff08d\uff09\u03b8 = 180\u00b0\u56fe4 \u53d6\u6599\u8fc7\u7a0bDEM \u4eff\u771f\u4e2d\u9897\u7c92\u7684\u901f\u5ea6\u77e2\u91cf\u5206\u5e033 \u4e0d\u540c\u8fdb\u7ed9\u901f\u5ea6\u5bf9\u53d6\u6599\u6548\u7387\u7684\u5f71\u54cd\u4e3a\u4e86\u5206\u6790\u8fdb\u7ed9\u901f\u5ea6\u5bf9\u6597\u8f6e\u673a\u53d6\u6599\u6548\u7387\u7684\u5f71\u54cd\uff0c\u6597\u8f6e\u673a\u7684\u8f6c\u901fn \u53d6\u4e3a\u989d\u5b9a\u8f6c\u901f5 r\/min\uff0c\u8fdb\u7ed9\u901f\u5ea6v \u53d60.1 \uff5e 0.6m\/s \u4e4b\u95f4\u3002\u56fe5 \u7ed9\u51fa\u4e86\u4e0d\u540c\u8fdb\u7ed9\u901f\u5ea6v \u4e0b\u6597\u8f6e\u673a\u53d6\u6599\u8fc7\u7a0bDEM \u4eff\u771f\u7684\u7d2f\u8ba1\u53d6\u6599\u4f53\u79efVf \u4e0e\u7d2f\u8ba1\u5207\u5c51\u4f53\u79efVc\uff0c\u5176\u4e2dVf \u6307\u524d3 \u4e2a\u94f2\u6597\u4ece\u6599\u5806\u4e2d\u5782\u76f4\u53d6\u8fd0\u6563\u6599\u7684\u603b\u4f53\u79ef\uff0cVc \u6307\u524d3 \u4e2a\u94f2\u6597\u91c7\u6398\u6563\u6599\u6240\u5f62\u6210\u5207\u5c51\u7684\u603b\u4f53\u79ef\u3002\u5f53\u8fdb\u7ed9\u901f\u5ea6v \u4e3a0.1 \uff5e 0.3 m\/s \u4e4b\u95f4\u65f6\uff0cVf \u968fv \u7684\u589e\u52a0\u5448\u7ebf\u6027\u9012\u589e\u3002\u5728v =0.35 m\/s \u65f6\uff0cVf \u8fbe\u52300.26 m3\u3002\u5f53v \u5927\u4e8e0.35m\/s \u65f6\uff0cVf \u505c\u6b62\u589e\u52a0\u3002\u5728v \u4ece0.1 m\/s \u589e\u81f30.6 m\/s \u7684\u8fc7\u7a0b\u4e2d\uff0cVc \u6301\u7eed\u589e\u52a0\u3002\u56fe6 \u7ed9\u51fa\u4e86\u4e0d\u540c\u8fdb\u7ed9\u901f\u5ea6v \u4e0b\u94f2\u6597\u5185\u9897\u7c92\u7684\u901f\u5ea6\u77e2\u91cf\u5206\u5e03\u3002\u7531\u94f2\u6597\u63a8\u52a8\u9897\u7c92\u6240\u5f62\u6210\u7684\u526a\u5207\u5e26\u7684\u9762\u79ef\u4ee5\u53ca\u526a\u5207\u5e26\u4e2d\u9897\u7c92\u7684\u901f\u5ea6\u5927\u5c0f\u5747\u968fv \u7684\u589e\u5927\u800c\u660e\u663e\u589e\u5927\u3002\u7531\u4e8e\u91c7\u6398\u8fc7\u7a0b\u4e2d\u9897\u7c92\u7684\u78b0\u649e\u80fd\u91cf\u6d88\u8017\u4f1a\u968f\u8fd0\u52a8\u901f\u5ea6\u7684\u589e\u5927\u800c\u589e\u5927[10]\uff0c\u56e0\u6b64\uff0c\u8fdb\u7ed9\u901f\u5ea6v \u7684\u589e\u5927\u4f1a\u5bfc\u81f4\u6597\u8f6e\u673a\u91c7\u6398\u4f5c\u4e1a\u80fd\u91cf\u6d88\u8017\u7684\u589e\u5927\u3002\u4ece\u6597\u8f6e\u673a\u7684\u53d6\u6599\u80fd\u529b\u548c\u80fd\u91cf\u6d88\u8017\u4e24\u4e2a\u65b9\u9762\u7efc\u5408\u8003\u8651\uff0c\u5f53\u8fdb\u7ed9\u901f\u5ea6v \u4e3a0.35 m\/s \u65f6\uff0c\u6597\u8f6e\u673a\u5206\u5c42\u5206\u6bb5\u53d6\u6599\u4f5c\u4e1a\u7684\u5de5\u4f5c\u6548\u7387\u6700\u9ad8\u3002\u56fe5 \u4e0d\u540c\u8fdb\u7ed9\u901f\u5ea6\u4e0b\u7d2f\u8ba1\u53d6\u6599\u4f53\u79efV f \u4e0e\u7d2f\u8ba1\u5207\u5c51\u4f53\u79efV c\u56fe6 \u4e0d\u540c\u8fdb\u7ed9\u901f\u5ea6\u4e0b\u8f93\u7164\u6597\u8f6e\u673a\u94f2\u6597\u91c7\u6398\u8fc7\u7a0bDEM \u4eff\u771f\u4e2d\u9897\u7c92\u7684\u901f\u5ea6\u77e2\u91cf\u5206\u5e034 \u4e0d\u540c\u94f2\u6597\u51e0\u4f55\u7ed3\u6784\u5bf9\u5de5\u4f5c\u8f7d\u8377\u7684\u5f71\u54cd\u5728\u8f93\u7164\u6597\u8f6e\u673a\u7684\u53d6\u6599\u8fc7\u7a0b\u4e2d\uff0c\u9897\u7c92\u7684\u51b2\u51fb\u4e0e\u6469\u64e6\u53ef\u9020\u6210\u94f2\u6597\u7ed3\u6784\u8868\u9762\u7684\u4e25\u91cd\u78e8\u635f\u3002\u8bb8\u627f\u4e2d\u7b49[7] \u6839\u636e\u5706\u5f27\u4e0e\u692d\u5706\u66f2\u7ebf\u7684\u66f2\u7387\u53d8\u5316\u89c4\u5f8b\uff0c\u4ee5\u56fe1b \u4e2d\u5706\u5f27\u66f2\u9762\u94f2\u6597\u4e3a\u539f\u578b\uff0c\u8bbe\u8ba1\u4e86\u4e00\u79cd\u56fe1c \u6240\u793a\u7684\u692d\u5706\u66f2\u9762\u94f2\u6597\uff0c\u610f\u56fe\u51cf\u5c0f\u94f2\u6597\u8868\u9762\u7684\u5de5\u4f5c\u8f7d\u8377\u3002\u4e3a\u4e86\u91cf\u5316\u5206\u6790\u8be5\u6539\u8fdb\u7ed3\u6784\u7684\u51cf\u8f7d\u6548\u679c\uff0c\u672c\u7814\u7a76\u91c7\u7528\u4e0a\u8ff0\u4e24\u79cd\u94f2\u6597\u6a21\u578b\u8fdb\u884c\u6597\u8f6e\u673a\u53d6\u6599\u8fc7\u7a0bDEM \u4eff\u771f\uff0c\u5206\u6790\u94f2\u6597\u7ed3\u6784\u5bf9\u5de5\u4f5c\u8f7d\u8377\u7684\u5f71\u54cd\u3002\u56fe7 \u7ed9\u51fa\u4e86\u4e24\u79cd\u94f2\u6597\u8868\u9762\u4e0a\u6cd5\u5411\u4e0e\u5207\u5411\u8f7d\u8377\u03c3 Ta \u4e0e\u03c3 Na \u968f\u65cb\u8f6c\u89d2\u03b8 \u7684\u53d8\u5316\u8fc7\u7a0b\u3002\u4e24\u79cd\u94f2\u6597\u8868\u9762\u03c3 Na \u4e0e\u03c3 Ta \u7684\u6700\u5927\u503c\u5747\u51fa\u73b0\u5728\u03b8 \u4e3a5\u00b0\uff5e 12\u00b0\u7684\u8303\u56f4\u5185\uff0c\u5176\u4e2d\u692d\u5706\u66f2\u9762\u94f2\u6597\u4e0a\u03c3 Na \u4e0e\u03c3 Ta \u7684\u6700\u5927\u503c\u4ec5\u4e3a\u5706\u5f27\u66f2\u9762\u94f2\u6597\u4e0a\u03c3 Na \u4e0e\u03c3 Ta \u7684\u6700\u5927\u503c\u7684\u4e00\u534a\u3002\u5f53\u03b8 \u572842\u00b0\uff5e 164\u00b0\u4e4b\u95f4\u65f6\uff0c\u692d\u5706\u94f2\u6597\u4e0a\u03c3 Na \u4e0e\u03c3 Ta \u5c0f\u4e8e\u5706\u5f27\u94f2\u6597\u4e0a\u03c3 Na \u4e0e\u03c3 Ta\u3002\u5f53\u03b8 \u5728164\u00b0\uff5e 180\u00b0\u4e4b\u95f4\u65f6\uff0c\u692d\u5706\u94f2\u6597\u4e0a\u03c3 Na \u4e0e\u03c3 Ta \u7684\u6700\u5927\u503c\u4ec5\u4e3a\u5706\u5f27\u94f2\u6597\u4e0a\u03c3 Na \u4e0e\u03c3 Ta \u7684\u6700\u5927\u503c\u76841\/10\u3002\u4e0a\u8ff0\u4eff\u771f\u7ed3\u679c\u4e0e\u7406\u8bba\u5206\u6790\u7ed3\u679c[7] \u4e00\u81f4\uff0c\u5373\u4e0e\u5706\u5f27\u94f2\u6597\u76f8\u6bd4\uff0c\u692d\u5706\u94f2\u6597\u6a2a\u622a\u9762\u79ef\u7684\u53d8\u5316\u76f8\u5bf9\u8f83\u7f13\uff0c\u8be5\u6539\u8fdb\u7ed3\u6784\u53ef\u6709\u6548\u51cf\u5c0f\u94f2\u6597\u8868\u9762\u7684\u5de5\u4f5c\u8f7d\u8377\u3002\u56fe7 \u53d6\u6599\u8fc7\u7a0bDEM \u4eff\u771f\u4e2d\u5706\u5f27\u548c\u692d\u5706\u66f2\u9762\u94f2\u6597\u7ed3\u6784\u8868\u9762\u4e0a\u7684\u03c3Na \u4e0e\u03c3Ta\u4e3a\u4e86\u89e3\u94f2\u6597\u7ed3\u6784\u8868\u9762\u4e0a\u7684\u5de5\u4f5c\u8f7d\u8377\u5206\u5e03\uff0c\u56fe8 \u7ed9\u51fa\u4e86\u94f2\u6597\u65cb\u8f6c\u89d2\u03b8 \u4e3a90\u00b0\u548c135\u00b0\u65f6\u5706\u5f27\u4e0e\u692d\u5706\u66f2\u9762\u94f2\u6597\u8868\u9762\u4e0a\u5de5\u4f5c\u8f7d\u8377\u03c3 P \u7684\u5206\u5e03\u60c5\u51b5\u3002\u4e24\u79cd\u94f2\u6597\u540e\u58c1\u5904\u7684\u03c3 P \u5747\u660e\u663e\u9ad8\u4e8e\u524d\u58c1\u5904\u7684\u03c3 P\uff0c\u8fd9\u4e0e\u8302\u540d\u6cb9\u6bcd\u9875\u5ca9\u9732\u5929\u77ffWUD 400\/700 \u578b\u8f93\u7164\u6597\u8f6e\u673a\u73b0\u573a\u53d6\u6599\u4e2d\u94f2\u6597\u540e\u58c1\u51fa\u73b0\u7684\u6563\u6599\u7c98\u9644\u60c5\u51b5[7] \u76f8\u7b26\uff0c\u4ece\u800c\u8bc1\u5b9e\u4e86DEM \u8f7d\u8377\u5206\u6790\u7684\u6709\u6548\u6027\u3002\u5f53\u03b8 \u4e3a135\u00b0\u65f6\uff0c\u4e0e\u5706\u5f27\u66f2\u9762\u94f2\u6597\u76f8\u6bd4\uff0c\u692d\u5706\u94f2\u6597\u540e\u58c1\u4e0a\u7684\u9ad8\u5de5\u4f5c\u8f7d\u8377\uff08\u03c3 P \u5927\u4e8e10 MPa\uff09\u5206\u5e03\u5f97\u66f4\u52a0\u7a00\u758f\uff0c\u8fd9\u8bf4\u660e\u6539\u8fdb\u540e\u7684\u692d\u5706\u94f2\u6597\u7ed3\u6784\u53ef\u6709\u6548\u89e3\u51b3\u5706\u5f27\u94f2\u6597\u540e\u58c1\u4e0a\u5de5\u4f5c\u8f7d\u8377\u8f83\u5927\u3001\u9ad8\u5de5\u4f5c\u8f7d\u8377\u5206\u5e03\u8f83\u5bc6\u7684\u95ee\u9898\u3002\uff08a\uff09\u03b8 =90\u00b0\u5bf9\u5e94\u5706\u5f27\u66f2\u9762\u6597\u4f53\u8f7d\u8377\u5206\u5e03 \uff08b\uff09\u03b8 =135\u00b0\u5bf9\u5e94\u5706\u5f27\u66f2\u9762\u6597\u4f53\u8f7d\u8377\u5206\u5e03\uff08c\uff09\u03b8 =90\u00b0\u5bf9\u5e94\u692d\u5706\u66f2\u9762\u6597\u4f53\u8f7d\u8377\u5206\u5e03 \uff08d\uff09\u03b8 =135\u00b0\u5bf9\u5e94\u692d\u5706\u66f2\u9762\u6597\u4f53\u8f7d\u8377\u5206\u5e03\u56fe8 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