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1、水利水电学院,大学教学实验报告 水利类专业2011 年5 月5 日,1,（2）实验过程数据及结果分析：,h,1,2,1 2,时间T(s)流量流速RelogvlogJ Q(cm3/s) v(cm/s) 7.06131.7341.958307.249 1.6227-1.7994 6.47120.5638.397602.725 1.5843-1.8617 6.22107.7234.306793.028 1.5354-1.9594 5.8594.0229.945929.059 1.4763-2.0560 9.6076.0424.224795.464 1.3841-2.2248 7.8256.2717.
2、923548.337 1.2533-2.4647 14.6951.7416.483262.652 1.2169-2.5258 14.0050.7116.153198.227 1.2082-2.5544 14.1045.3914.462862.463 1.1600-2.6308 14.0442.7413.612695.027 1.1339-2.7122 15.1940.8213.002574.026 1.1139-2.7595 14.8138.1512.152405.871 1.0846-2.8041 14.6837.1311.822341.259 1.0727-2.8861 15.1834.5
3、811.012181.054 1.0420-2.9872 13.1033.2110.582094.098 1.0243-3.0915 12.6932.3110.292037.517 1.0124-3.1427 14.5328.919.211822.899 0.9641-3.1612 16.7228.118.951772.722 0.9519-3.2007 15.2818.655.941176.252 0.7738-3.4815 22.4413.814.40871.1999 0.6434-3.6021,比压计读数(cm)水头损失,h -hh (cm),水力坡度J,体积 测次hW(cm3) f 1
4、21.312.2719.049.520.01587 930 220.303.8016.508.250.01375 780 318.875.7013.176.590.01098 670 417.677.1210.555.2750.00879 550 516.219.067.153.5750.00596 730 614.9010.784.122.060.00343 440 714.6711.103.571.7850.00298 760 814.6111.263.351.6750.00279 710 914.4111.602.811.4050.00234 640 1014.3011.972.331.
5、1650.00194 600 1114.2012.112.091.0450.00174 620 1214.1012.221.880.940.00157 565 1314.0512.491.560.780.00130 545 1413.9412.701.240.620.00103 525 1513.8812.910.970.4850.00081 435 1613.8512.990.860.430.00072 410 1714.0113.180.830.4150.00069 420 1814.2113.460.750.3750.00063 470 1914.2013.800.400.20.00033 285 2014.1913.890.300.150.00025 310,0,2000,4000,6000,8000,10000,1 3 5 7 9 11 13 15 17 19 21,Re,Re,-4.0000,-3.5000,-3.0000,-2.5000,-2.0000,-1.5000,-0.5000 -1.0000,0.0000 0.0000 0.5000 1.0000 1.5000 2.0000,系列1,3、 实验结论 由坐标图可得临界点时， log 1.0054 ，从而得到流速 10.12512cm / s ，,d,又因为Re ，所以Re 2004.5,2,
