Практические занятия ОВиК 1 Модуль
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– 1,5 .
6. J-d-
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, t = t – t
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. 1.7. J-d-
t .
. 1.7. J-d- -
(1.15).
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t . =5 .
1.(1.4).
2.J-d- H, B,
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. 1.8. J-d-
3. G, , (1.13)
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4. G , , -
G =G – G |
(1.17) |
5.,
(1.7) (1.8).
6.-
.
7.Q, ,
Q = 0,278 .G(J / – J ) |
(1.18) |
Q ., , :
Q = 0,278.G(J – J ). |
(1.19) |
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1.J-d- ( .1.9),
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2.G, , (1.13).
, G ., ,
G , ,
G = G +G . |
(1.20) |
3. / =95%
.
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. 1.9. J-d- -
4. (1.20)
:
G .J + (G – G ).J = G. J / ,
:
G = G(J / - Jo)/(J – J ) , |
(1.21) |
5. , : G =G – G ,
:
G =G – G .
6. , -
,
Jc = (G .J + G .J )/G , |
(1.22) |
J =const .
25
Q ., ,
Q = 0,278.G (J – J ). |
(1.23) |
9. J-d-
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,
.
: -
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.
( . 3).
1.J-d- ( . 1.10).
2., -
(1.4), -
.
3.(1.11).
dn=d – d.
. 1.10. J-d-
26
4.dn= const
, -
.
5.dn=const =95%
. 2 -
.
6.J0= onst, -
d =const, .
1 .
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Q1 = 0,278 .G(J – J ), |
(1.24) |
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Q2 = 0,278 .G(J – J ). |
(1.25) |
8. , |
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W, : |
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W=G(do – d )10-3. |
(1.26) |
10. J-d-
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1 -. 1 2
.
: -
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. 1.1 -.
( . 3).
1.J-d- ( . 1.11) , -
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2.d (1.11) dn ( . 9).
27
. 1.11. J-d-
3.dn=const
, .
4.-
2 =95%, , -
.
5.. ,
dc = (G .d + G .d )/G. |
(1.27) |
6.d =const J0= onst ,
. 1
.
1 Q1, , |
Q1 |
= 0,278 |
.G(J – J ), |
(1.28) |
2 Q2, , |
Q2 |
= 0,278 |
.G(J – J ), |
(1.29) |
28
, :
W=G(do – d )10-3. |
(1.30) |
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1.5.1.
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0,75.
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: , , -
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, Q ., :
Q = q .·n + q .·n + q ·n , |
(1.31) |
q , q , q – , -
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n , n , n – , ,
.
1.5.2
-
( . . 8, 9).
.
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, Q , ,
Q = N , |
(1.32) |
,
Q = q , |
(1.33) |
N – , ;
q – ,
2, . 1.4;
– , 2;