Ермишина / Описания л. р. КиТ РЭС ч.1 / Микросборка (лаб.1,2) / tr_R-IMS
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11
. * -
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[F10] -
-
« ».
« » -
“ -R
« » ( . 3.8).
3.14.-
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“ -R . 1)
«Enter».
3.15.« »
.
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-
( . 3).
. 3. »
3.16.
. 2.4.
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-, , -
. , -
γR
.
: Ri ]; γRi [%];
i ]; ; .
.
1. ρs opt
, |
.1) |
2.,
( .1). , TK
, 0 - .
.
γR = R / R
γR 2 = γ 2 + γρs2 + γRt2 + γR 2 + γR 2,
γ - , γρs - -
, γRt - , γR - , -
, γR - .
γ -
- l b ( = l / b)
γ 2 = γl 2 + γb 2 .
γrs
. 5%.
γRt C αR |
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γRt = αR (Tmax − 20°C), |
( .2) |
aR - .
γR , ,
. 3%.
-
,
. 1 ÷ 2%.
( .1)
γ |
2 = γ 2 − γ |
2 |
− γ |
2 |
− γ |
2 |
− γ |
2. |
.3) |
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R |
ρs |
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Rt |
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g , , -
. -
, TK .
4.
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i = Ri / ρs opt . |
.4) |
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1£ i £ 10 , |
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i > 10 |
− ( , “ ”), i < 1 |
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− , . -
i < 1 , . -
, .
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5. ( . .1, ) - |
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a |
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l |
b |
) |
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. .1.
, .
b > max ( b ; b ; bP ), |
( .5) |
b − , -
; b - ,
b ³ Ö [ b2 + ( l / i)2] / γ i , |
.6) |
( b, l - , -
, . . 3.15 [1]); bP - ,
P ( . .120 [1]).
bP= Ö P / (P0 × K i). |
( .7) |
b b - , -
, . -
1 0,5 . -
, 1 , 20 : 1, -
, 0,05 .
l = bK i . |
( .8) |
l l , -
, . -
-
b , l .
14
:
l = l + 2 , |
( .9) |
- .
,
S = l b. |
( .10) |
6. , i < 1, , -
. l
l ³ max ( l ; l ; lP ), |
.11) |
l - ,
( . 3.15 [1]); l - , -
(l ) ³ Ö [(Dl)2 + (Db/K i)2] / gK i, |
( .12) |
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lP - , P |
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lP = Ö P K i / P0 |
.13) |
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l l , -
, .
b = l / K i . ( .14)
b b , -
. -
l , -
b .
( .9) ( .10).
-
. , , :
) P0¢ 0
P0¢ = P / S £ P0 ; |
.15) |
) g¢ i g i
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g¢ i = Ö (Dl / l )2 + |
(Db / b)2 |
£ g i ; |
.16) |
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) g¢R g¢R |
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g¢ |
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£ g . |
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R |
= Ö g |
2 + g |
2 + g 2 + g |
2 |
+ g |
2 |
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.17) |
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ρs |
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Rt |
R |
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R |
R |
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7. . “ ”
. .1, ) , .
b -
.
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l = bK . |
.18) |
15
-
( . 3.15 [1]). amin = 300 ,
min = 100 . (a = b). t
t = a+ b. |
.19) |
n , , -
“ ”, . ,
(L = B). c -
L / b > 10, n
n |
≈ Ö (l / t) (B / L) . |
( .20) |
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L= B a = b ) |
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n ≈ Ö |
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. |
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i / 2 |
.21) |
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n . |
.22) |
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L= n (a+ b). |
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B=(Lcp − an) / n. |
( .23) |
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. ,
min -
. -
(Bmax / a ) ≤ 10 |
.24) |
, |
- |
n , L, B. .
, “ ”
. -
.
R ≈ ρs (l / b) = ρsK .
“ ”
-
. -
R = R m + ρs l n / b, .25)
R − ; m − ; l − ;
n− .
( .2, ) R13 = 2,55ρs,
.2, ) R = 4ρs.
. .2. « »;) ; )
16
l = (R − mR ) b / ρs n |
.26) |
L B
.
( ) “ ”
, ,
, . , -
S =LB , ( , B′ ), -
L′ n′
L′=S /B′, |
n′=L′/ t . |
[1, . 124 − 126] -
, ,
, -
, .
, -
, . 1.
0,35 ÷ 0,6 . .
1
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1.. / . .
. − .: , 1984. 231 .
2.., ., . . − .: , 1987. 416 .
3.. . − .: , 1977. 256 .
4.., ., .
. / . . . − .: , 1993. 304 .
5.. . . − .: -
, 1981. 87 .
6.-
. / . . . − .: , 1989. 261 .