.


:




:

































 

 

 

 


7

 

08 1

 

.

.

 

2008 .

 

7.

1. , , 9, 1800, H=1,4 =1400 =3 , V=1 /, t=+40,.

1,2,3,4 /; +40, +20, 0, -20, -40,

 

. . 15-2 16-2.

Q1=k1*k3*k5*k7*Q0=0.18*0.04*1*1.4*1400=14.11()

Q1=k1*k3*k5*k7*Q0=0.18*0.04*0.23*1.4*1400=3.2()

Q1=k1*k3*k5*k7*Q0 =0.18*0.04*0.08*1.4*1400=1.12()

2. :

- t = hρ/k2*k4*k7=0.05*0.681/0.025*1*1.4=0.08()

- t = (H-0.2)*ρ/ k2*k4*k7=(1.4-0.2)*0.681/0.025*1*1.4=2.3 ()

.

:

Q2=(1-k1)*k2*k3*k4*k5*k6*k7*Q0/hρ=(1-0.18)*0.025*0.04*1*1*0.080.8 *1*1400/0.05*0.681=4.97)

Q2=(1-k1)*k2*k3*k4*k5*k6*k7*Q0/hρ= (1-0.18)*0.025*0.04*1*0.23*0.080.8 *1*1400/0.05*0.681=1.14 ()

Q2=(1-k1)*k2*k3*k4*k5*k6*k7*Q0/hρ= (1-0.18)*0.025*0.04*1*0.08*0.080.8 *1*1400/0.05*0.681= 0.39()

:

Q2=(1-k1)*k2*k3*k4*k5*k6*k7*Q0/(H-0.2)ρ=(1-0.18)*0.025*0.04*1*1*2.30.8 *1*1400/(1.4-0.2)*0.681= 2.69()

Q2=(1-k1)*k2*k3*k4*k5*k6*k7*Q0/ (H-0.2)ρ =(1-0.18)*0.025*0.04*1*0.23*2.30.8 *1*1400/(1.4-0.2)*0.681= 0.61()

Q2=(1-k1)*k2*k3*k4*k5*k6*k7*Q0/(H-0.2)ρ =(1-0.18)*0.025*0.04*1*0.08*2.30.8 *1*1400/(1.4-0.2)*0.681= 0.21()

4. . . 17.2.
1= + (-)/(m-m)*(m-m)= 19,2+(29,56-19,2)/(20-10)*(14,11-10)=25,4 ()

1= + (-)/(m-m)*(m-m) = 9,18+(12,53-9,18)/(5-3)*(3,2-3)=9,51 ()

1= + (-)/(m-m)*(m-m)= 4,75+(9,18-4,75)/(3-1)*(1,12-1)= 5,01()

 

.

:

2= + (-)/(m-m)*(m-m)= 9.18+(12.53-9.18)/(5-3)*(4.97-3)=12.47()

2= + (-)/(m-m)*(m-m)= 4,75+(9,18-4,75)/(3-1)*(1,14-1)=5,06 ()

2= + (-)/(m-m)*(m-m)=1.25+(3.16-1.25)/(0.5-0.1)*(0.39-0.1)=2.63 ()

:

2= + (-)/(m-m)*(m-m)== 4.75+(9.18-4.75)/(3-1)*(2.69-1)=8.49 ()

2= + (-)/(m-m)*(m-m)==3,16+(4,75-3,16)/(1-0,5)*(0.61-0,5) =3.5 ()

2= + (-)/(m-m)*(m-m)==1,25+(3,16-1,25)/(0,5-0,1)*(0,21-0,1) =1.77 ()

6. .
:

=Ò+0,5*Ô=25,4+0,5*12.47=31.63()

=Ò+0,5*Ô=9,51+0,5*5.06=12,04 ()

=Ò+0,5*Ô=5,01+0,5*2.63=6,32())

:

=Ò+0,5*Ô=25,4+0,5*8.49=29.34()

=Ò+0,5*Ô=9,51+0,5*3.5=11,26()

=Ò+0,5*Ô=5,01+0,5*1.77=5.89()

: , , . 5 , , - 4.98 .

7.
= 3 .

. 18.2 :

- 5/

- 6/;

- 7 /

:

=*υ= 3*5=15 ()

=*υ= 3*6=18()

=*υ= 3*7=21()

3 .



<== | ==>
| C:\\\
:


: 2016-10-07; !; : 619 |


:

:

- , 20 40 . - .
==> ...

1783 - | 1747 -


© 2015-2024 lektsii.org - -

: 0.015 .