, . .
. . .
1. h t.
2. ht.
3. .
4. .
5. h t.
6. ht-ht t.
1. ( ) - 1 2.
2. .
3. (1, 2, 3 4) ( - hs) 1 :
) 1: t1= ts(1), i1=i²(1), s1=s²(1), 1=1;
) 2: t2= ts(2), i¢(2), i²(2). 2 ( ) i2 = i¢2×(1 x2) + i²2×x2. 2 2 2 s2 = s¢2×(1 x2) + s²2×x2. .. s=const ( ), s2=s1. s1 = s¢1×(1 x2) + s²1×x2. x2 = (s1 s¢2)/(s²2 s¢2). 2 2 i2.
) 3: t3=t2, i3=i¢(2), s3=s¢ (2), 3=0;
) 4: t4=t1, i4=i¢(1), s4=s¢(1), 4=0.
: 4 ht=(i1-i2)/(i1-i3).
5 t1 t2: ht=1-(t2+273,15)/(t1+273,15) (Dh=ht-ht).
6 t-s . , ( 1.2 1.3 ).
, ( ht ) t=(t3+t4)/2, ht
.
(t ht) t ( t=t3 t=t4) , ht =f(t), t, ht . ( 2 ) .
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| 1) t=t3+ki×Dt, oC | t1=t3 | ti | t9= t4 | ||
| 2) i = i¢(t), / | |||||
| 3) i²(t), / | |||||
| 4) s¢(t), /(×K) | |||||
| 5) s²(t), /(×K) | |||||
| 6) x = (s1 s¢)/(s² s¢) | |||||
| 7) i=i¢×(1-x)+i²×x, / | |||||
| 8) Di = i - i3 , / | |||||
| 9) i1 - i , / | |||||
| 10) Di = i - i, / | |||||
| 11) i - i3, / | |||||
| 12) G/G=(i - i3)/(i - i3) | |||||
| 13) Ap=Di×(i1 - i)/[Di×(i1 i2)] | |||||
| 14) Ap×ht | |||||
| 15) = (1+)/(1+×ht) | |||||
| 16) ht = ht× | |||||
| 17) ht - ht |
t (. 2 ):
- 1- t=t3+ki×Dt ki = 0,0; 0,2; 0,4; 0,45; 0,5; 0,55; 0,6; 0,8; 1,0. Dt=t4 - t3. t 1 0;
- 25 - t: i = i¢(t), i²(t), s¢(t), s²(t). t ;
- 6 - : x = (s1 s¢)/(s² s¢);
- 7 - : i = i¢×(1 - x) + i²×x;
- 8 - : Di(t) = i - i3 ;
- 9 - 1 : i1 - i ;
- 10 - : Di = i - i ;
- 11 : i - i3;
- 12 : G/G=(i - i3)/(i - i3);
- 13 - =Di (i1-i)/[Di (i1i2)];
- 14 Ap×ht;
- 15 - : =(1+)/(1+×ht);
- 16 - : ht =ht ×;
- 17 - : ht - ht.
: .
.
Windows. . . 25 - hs (. ). .
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(ht - ht) t.
t.
t t 1 2. t. t , t . Di = i - i3 i1 - i ( 8 9). , .
8 9 t, t , Di i1 - i 8 9 , (. 1.3).
| t1 | t2 | ||
| Di = i - i3 | 1 | 2 | ||
| i1 - i | 1 | 2 |
. 1.3. t 2
, t ( t1< t2), 1<1, 2>2. t, :
(1-1)-(2-2) Dt= t2 - t1
(1-1) - 0 t - t1
, (2-2) .
[(1-1)-(2-2)](t - t1)= (1-1)Dt.
t= t1+Dt(1-1)/[ (1-1)-(2-2)]
t 2 t ht. , t 8 9. (. 5 ).
. , , , (t- t3). t . t ht . .
| 1, | 2, | |
| 4,5 | 3,5 | |
| 5,0 | 3,5 | |
| 5,5 | 3,5 | |
| 6,0 | 3,5 | |
| 6,5 | 3,5 | |
| 7,0 | 3,5 | |
| 4,5 | 4,0 | |
| 5,0 | 4,0 | |
| 5,5 | 4,0 | |
| 6,0 | 4,0 | |
| 6,5 | 4,0 | |
| 7,0 | 4,0 | |
| 4,5 | 4,5 | |
| 5,0 | 4,5 | |
| 5,5 | 4,5 | |
| 6,0 | 4,5 | |
| 6,5 | 4,5 | |
| 7,0 | 4,5 | |
| 4,5 | 5,0 | |
| 5,0 | 5,0 | |
| 5,5 | 5,0 | |
| 6,0 | 5,0 | |
| 6,5 | 5,0 | |
| 7,0 | 5,0 | |
| 4,5 | 5,5 | |
| 5,0 | 5,5 | |
| 5,5 | 5,5 | |
| 6,0 | 5,5 | |
| 6,5 | 5,5 | |
| 7,0 | 5,5 | |
| 4,5 | 6,0 | |
| 5,0 | 6,0 | |
| 5,5 | 6,0 | |
| 6,0 | 6,0 | |
| 6,5 | 6,0 | |
| 7,0 | 6,0 |
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