水力学第赵振兴课后答案.pdf

1 0 0.1816.33kg/m3 0.2=0.25H H u dy du m 058 . 1 y=0.5H H u dy du m 84 . 0 0.4 f = g 0.5 hL 0.6 Ff184N 0.7 K=1.96108N/m2 dp=1.96105N/m2 1 1.1 Pc=107.4KN/m2 h=0.959m 1.2 PB- PA=0.52KN/m2 PAK=5.89KN/m2 PBK=5.37KN/m2 0 0 dudu 1 2 1.3 h1=2.86m h2=2.14m 5m 4.28m 1.4 Pc=27.439KN/m2 1.5 PM=750.68h KN/m2 1.6 P2- p1=218.05N/m2 1.7= BA BrArBA 1.8 P=29.53KN P0 1.9 W=34.3rad/s Wmax=48.5rad/s 1.10 a= L hHg)(2 1.12 P =3312.4KN() P2=862.4KN() P =3136KN() P2=950.6KN() 1.13 T=142.9KN 1.14h3=0T=131.56KNh3=h2=1.73m T63.7KN 1.15 001.2m 1.16 P=4.33KN LD=2.256m() 1.17 P=567.24KN 1.19 P45.54KN1428 1.20 P =353KN P =46.18KN 1.21 H=3m 1.22=1.0cm 1.23 F=25.87KN () 2 2.1 Q=211.95cm3/s V7.5cm/s 2.2 hw=3.16m 2.3 2 p =2.35m 2.4 PK1=63.8KN/m2 2.5 Q=0.00393m3/s 2.6 Q=0.0611m3/s h3 3=h=h2 2=1.73m=1.73m 1.2m1.2m =2.256m(=2.256m( T63.7KN63.7KN =46.18KN 3 2.7=0.985 2.8 Q=0.058m3/s 2.9 S4.9Ncm24.9N/cm2 2.10 V3=9.9m/s Q=0.396m3/s 2.11 R =391.715KN() 2.12 R=3.567KN378 2.13 R =98.35KN() 2.14 R =2988.27KN() 2.15 R =1.017KN() 2.16 R =153.26KN() 2.17=2 3 4 2.18 F= R mv2 2.19 Q=g2H2.5 2.20 F=CdL2 2 2 2.21m pA 44 . 2 m pB 44 . 4 2.22 Q1=1 ( 2 Q cos )cos1 ( 2 2 Q Q 2.23 R=2145KN=5468 2.24 m=3.12kg 2.25 T2434 T2310 3. 3.1dRe 3.2Re=198019.82000 3.3 Re=64554500 3.4cm0096 . 0 0 m m44. 4 44 . 4 ) )Q 4 3.5 3 2 0 u v vuxhym577 . 0 3.6 Q 3 min 1654 . 0 m /s 2 0 /24.33mN 3.7Q=5000cm3/sRe=194502 . 0 0 027 . 0 Q20000cm3/s Re=78200775 . 0 0 026 . 0 Q200000cm3/s Re=7800001 . 7 0 023 . 0 l100mQ5000 cm3/s hf=0.006m Q=2000 cm3/s hf=0.09m Q200000 cm3/s hf=7.85m 3.80.042 3.9 n=0.011 3.10=0.29 3.11 Q=0.004m3/s 3.12h=0.158m 3.13 Z=11.1m 3.14=24.7 4 4.1n=0.012 Q=6.51 m3/s n=0.013 Q=6.7m3/s n=0.014 Q=6.3 m3/s 4.2n=0.0125 Q=0.68 m3/s n=0.011 Q=0.74 m3/s n=0.014 Q=0.62 m3/s 4.3 Qmax=0.0268 m3/s Z=0.82m 4.4n=0.011 H=7.61 m n=0.012 H=7.0 m 4.5 Ht=30.331m 4.6 n0.012 Q=0.5 m3/s h maxv =5.1m 4.7 n0.0125 H A 21.5m 4.8 Q1=29.3L/s Q2=30.7L/s=135.21m =0.006m Q=2000 cm 4 4 5 4.9 H=0.9m 4.10 Q2=0.17 m3/s Q3=0.468 m3/s 4.11 Q1=0.7 m3/s Q2=0.37 m3/s Q3=0.33 m3/s 4.12 H1=2.8m 4.13 Q=0.0105 m3/s PB=10.57KN/m2 4.14 Q1=0.157 Q2 5 5.1 V=1.32m/s Q=0.65 m3/s 5.2 Q=20.3 m3/s 5.3 Q=241.3 m3/s 5.4 h=2.34m 5.5 h=1.25m 5.6 b=3.2m 5.7 b=71m V=1.5 m/sV1.41 m/s 5.8n=0.011 i=0.0026=51.76m n=0.012 i=0.0031n=0.013 i=0.0036 n=0.014 i=0.0042 5.9 i=1/3000 V=1.63m/s hk1 h02=0.8m hk 2 6.3 hk=1.56m Vk=3.34m/s Vw=5.86m/s hk h0 VwV 6.5 iK=0.00344 i 6.7 LC0b0 b2LC0C2 C0b2LC0b2b0b2 6.8L 6.9h0=0.96m hK=0.61m h0hKa1 0.971.50h,s 6.10 11 C1 6.11 S =3497.9m 6.12S =129.462m 6.13 b=8m h=1.37m b=6m h=0.82m s49.71 b=4m h=1.07m s50.18 7 7.1 h1=0.301m 7.2 Fr1=9.049.0 h2=6.15m 7.3 Ej=14.23m Pj=6972.7Kw Ejj=0.40m E=14.63m Kj=37.5m 7.4 Lj=6.73m =1060 h2=1.7m 7.5 h01=0.71m h02=1.55m hK=1.18m h01ht 11 ht=2.32m. 9.4 d=0.9m Lj=25.8m LK=(0.7- 0.8)LjLK=19m 9.5 hc=0.99m h “ c=14.3mht C8.54m LK61.270mLK=65m 9.6 l=142.9m ts=9.46m i=0.074TsH9.87m l=T=9.67m 10.2 10.3H227.07m88960.5KNm3 D400mmP=1170.8 KNm2 10.4 200 H309.27m h “ 1 1=2.32mh =2.32mh =2.32m. =2.32m. =25.8m L=25.8m L 8 10.5 A H1=75.2m H A 2=67m 10.6 t=0.71s v=0 dt dv =1.96 m/s2 11 11.1 tA=0.68h tB=0.768h 11.212800m,S4000m,7 1 2 3 4 5 6 7 8 2 “ 504.8 498.2 491.2484.2477.5470.7464.2 457.7 Q “ 2100 1970 1590 1242 1000 840 760 735 12 12.1 x2y2=C2 12.5 P=P0)( 4 9 22 yx 14 14.1 u = u =- 4=+c 14.4 AB=2 m3/s.m 15 15.1 q=0.868cm3/s.m 15.2 h0/m 3 4 5 6 Q/m3/s 0.000282 0.000255 0.000218 0.000168 15.3 1.53m 15.4 q=2.3610- 5m3/s.m 15.5 1 2 3 4 5 6 hN/m 12 13.5 16.0 13.0 13.0 12.0 14 +c+c /s.m 9 hf/m 0 1.0 4.0 6.0 9.0 10.0 m r P