DANE |
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1) |
Moc: |
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P = |
26.97 |
W |
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Grzałka |
d = |
18 |
mm |
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l = |
128 |
mm |
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2) |
Sprawność małego żebra |
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Zebro małe |
Dz = |
100 |
mm |
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nz = |
0.94 |
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s = |
2 |
mm |
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n = |
9 |
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3) |
Sprawność dużego żebra |
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Żebro duże |
Dz = |
140 |
mm |
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nz = |
0.92 |
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s = |
2 |
mm |
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Temperatura: |
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n = |
9 |
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Rdzenia |
Rantu |
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4) |
Powierzchnie ożebrowania małego żebra |
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U = |
119 |
V |
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pręt |
115 |
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a) |
powierzchnia boczna |
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I = |
1 |
A |
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żebro małe |
47.5 |
43.5 |
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Ab = |
7599.51 |
mm^2 |
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to = |
21 |
oC |
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żebro duże |
37.5 |
35.5 |
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b) |
powierzchnia czołowa |
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fi = |
53 |
% |
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Acz = |
471.24 |
mm^2 |
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p = |
1014 |
hPa |
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c) |
powierzchnia całkowita żeber |
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Ac = |
141032.4 |
mm^2 = |
0.1410 |
m^2 |
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Temperatury |
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Punkty pomiarowe |
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żebro |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
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duże |
47.3 |
45.0 |
44.4 |
43.4 |
43.0 |
42.4 |
41.2 |
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żebro |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
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małe |
66.4 |
65.5 |
64.5 |
63.5 |
63.0 |
58.5 |
54.3 |
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5) |
Powierzchnie ożebrowania dużego żebra |
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a) |
powierzchnia boczna |
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Ab = |
15139.33 |
mm^2 |
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b) |
powierzchnia czołowa |
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Acz = |
659.73 |
mm^2 |
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c) |
powierzchnia całkowita żeber |
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Ac = |
278445.6 |
mm^2 = |
0.2784 |
m^2 |
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6) |
powierzchnia miedzyżebrowa |
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Anz = |
6474.82 |
mm^2 = |
0.0065 |
m^2 |
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7) |
powierzchnia nieożebrowana |
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Amz = |
7238.23 |
mm^2 = |
0.0072 |
m^2 |
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8) |
Współczynnik przejmowania ciepła dla pręta nieożebrowanego |
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α= |
39.64 |
W/mK |
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9) |
Współczynnik przejmowania ciepła dla pręta z małymi żebrami |
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α= |
11.76 |
W/mK |
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10) |
Współczynnik przejmowania ciepła dla pręta z dużymi żebrami |
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α= |
6.19 |
W/mK |
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11) |
Wskaźnik chłodzenia dla małego żebra |
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wskaznik = |
1.56 |
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12) |
Wskaźnik chłodzenia dla dużego żebra |
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wskaznik = |
1.38 |
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