水力学 第2版 赵振兴 课后答案

水力学第二版答案

水力学第二版答案

0.1

0.2um

Hy=0.5H

0.4 f = g

0.5 h

0.6 Ff184N0.84[L]

0.7 K=1.96×108N/m2 dp=1.96×105N/m2

1

1.1Pc=107.4KN/m2 h=0.959m

1.2PB-PA=0.52KN/m2 PAK=5.89KN/m2 PBK=5.37KN/m2

1

水力学第二版答案

1.3h1=2.86m h2=2.14m 4.28m

1.4Pc=27.439KN/m2

1.5PM=750.68h KN/m2

1.6P2-p1=218.05N/m2rAArBB1.7=AB1.8P=29.53KN

1.9W=34.3rad/s Wmax=48.5rad/s

2g(Hh)1.10a=L

1.12 P) P2=862.4KN()

P=3136KN() P2=950.6KN()

1.13 T=142.9KN

1.14

1.15 0h3=00T=131.56KNh) P05m T1.16 P=4.33KN LD1.17 P=567.24KN

1.19 P45.54KN

1.20 P=353KN P6.18KN

1.21 H=3m

1.22=1.0cm14º28´

1.23 F=25.87KN ()

2

2.1 Q=211.95cm3/s V7.5cm/s

2.2 hw=3.16m

2.3p2=2.35m

2.4 PK1=63.8KN/m2

2.5 Q=0.00393m3/s

2.6 Q=0.0611m3/s

2

水力学第二版答案

2.7=0.985

cm24.9N/cm22.8 Q=0.058m3/s2.9 S4.9N

2.10 V3=9.9m/s Q=0.396m3/s

2.11 R)

2.12 R=3.567KN

2.13 R=98.35KN(

2.14 R=2988.27KN(

2.15 R=1.017KN()))37º8´

2.16 R=153.26KN()4=22.173mv2

2.18 F=R

2.19

2.20 F=CdL

pAH

2.212.44m

2.22 Q1=Q(122.23 R=2145KN

2.24 m=3.12kg

2.25 T2434=54º68´ T2310

3.

3.1

3.2dReRe=198019.8>2000

3.3 Re=64554>500

3.400.0096cm

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水力学第二版答案

3.5v

u023

minuxvym0.577h33.24N/m20.2

03.6 Q3.70.1654m3/s0Q=5000cm3/sRe=194500.027

Q20000cm3/s Re=7820000.7750.026

Q200000cm3/s

l100m Re=78000007.10.023 hf=0.09mQ5000 cm3/s

200000 cm3

/s hf=0.006m Q=2000 cm00 cm3/s hf=7.85m Q

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

4.1n=0.012

n=0.014

4.2n=0.0125

n=0.014 Q=6.51 m3/s Q=6.3 m3/s Q=0.68 m3/s Q=0.62 m3/sn=0.011 Q=0.74 m3/sn=0.013 Q=6.7m3/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 n

4.7 n0.012 Q=0.5 m3/s hvmax=5.1m0.0125 HA21.5m

=135.21m

44.8 Q1=29.3L/s Q2=30.7L/s

水力学第二版答案

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/s

5.8n=0.011

n=0.012

n=0.014 i=0.0031i=0.0042 V1 m/s i=0.0036

5.9 i=1/3000 5.10 n=0.02 5.11 n=0.025

n=0.017

n=0.03

5.12 hf=1m

5.13 Q=4.6 m3/s

5.14 Q=178.2m3/s

5.15 hm=2.18m bm=1.32m i=0.00036

5.162 h=1.46m b=6.3m h=1.26m b=7.8m h=1.56m =119.87m Q1=45.16m3/s Q2=354.84 m3/s

6

6.1 Vw=4.2m/s Fr=0.212

5

水力学第二版答案

6.2 hk1=0.47m hk2=0.73m h01=0.56m> hk1

h02=0.8m> hk2

6.3 hk=1.56m Vk=3.34m/s Vw=5.86m/s hk > h0

6.5 iK=0.00344> i

6.7 L

C0

6.86.9

0.97~1.506.106.11

6.12

6.131 Vw>VC0b0 b2b2Lh0=0.96m hK=0.61m h0>hKh,1LC0b2b0b2C0C2La1C1=3497.9m

=129.462m b=8m h=1.37m

b=4m h=1.07m m b=6m m 49.71

7.1 h1=0.301m

7.2 Fr1=9.04>9.0

7.4 Lj=6.73m 2=1060h7.3 Ej=14.23m Pj=6972.7Kw jj=0.=0.40m E=14.63m Kj=37.5m

7.5 h01=0.71m h02 hK=1.18m h01< hK< h02

h2= h02=1.55m

h01=0.71m

S=55.8mh1=0.87m h1h1=0.87mh01

8

8.1 Q=0.77 m3/s

8.2 b=30.52m

8.3 Hd=17m

r=18.588-37.175m

X'

250.85m Xc=28.348m Yc=21.89m r=25mXD675.634m Y0=45.85m D55.155m YD=60.189m

水力学第二版答案

EXE=75.634m YE=70.85m 267.0m7565.2 m3/s Q6000 m3/s

17.75 Q266.53m414.9 m3/s16.70 Q702.2 m3/sQ6167.8 m3/s269.0mQ8.48.5 Q=8987.8 m3/s8.6H

)=2.7 2.5<H<10 Q91.5 m3/s (V0

8.7

Q8.5m157.9 m3/s30.66 h"c=7.145m Q=202.44 m/s 14

8.8 Q=24.84 m3/s

9.5 hc=0.99m h"

c=14.3m>ht

m

19.6 l=142.9m ts=9.46m i=0.074<ik=2.5C8.54m LK61.270LK=65m10

10.1 T=1.24s>Ts

10.2

10.3

200H D10.4

H9.87m l=T=9.67mm3m2227.07m400mm88960.5KNP=1170.8 KN309.27m7

水力学第二版答案

10.5A1A=75.2m H2=67m

dv=1.96 m/s210.6 t=0.71s v=0dt

11

11.1 tA=0.68h tB=0.768h11.212800m,S4000m,7

12.1

12.5 x2y2=C2

14.415

15.1 q=0.868cm3/s.m

15.2

h0/m

Q/m3/s

15.3 1.53m

15.4 q=2.36×10-5m3/s.m

15.5

hN/m

3 0.000282 4 0.000255 5 0.000218 6 0.000168 1 12 2 13.5 3 16.0 84 13.0 5 13.0 6 12.0

水力学第二版答案

Q=4×10-5m3/s.m

18

18.2 Qp=322m3/s Hp=3.0m Vp=15m/s 18.3v=5.1 =3447=5.1 QM=0.0934 m3/s <0.10m3/s18.4 qM=6.39L/s.m18.3v=0.5

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