Transcription of 流体力学 1 - daido-it.ac.jp
1 1 11 23 1/20 mmppglVglVFr22== ==pmpmllVV 1 / / t / t A / t / A V =AV Q A V ==AVQ 1 8 1. 100m 10 1/5 air = 10-5m2/s water = 10-6 m2/s 1 lp lm Vp Vm watermmairppvlVvlVRe== 2 Vm = = airwatermppmvvllVV 2. 25m 36km/h 1m 1 25 Vm1 1 Vm2 gVgVFrmm = =1252221 2 1 Vm2 36km/h=10m/s 3.
2 100mm =1 103kg/m3 =1 10-6m2/s = 10-2N/m 1mm = 103kg/m3 = 10-3m2/s = 10-2N/m 12m/s 1 Vr D V water oil oiloiloiloilwaterwaterwaterwaterDVDVWe 22== 2 = = = oilwaterwateroilwateroiloilwaterDDVV
