HAB7
Normierte Wärmeübergangskoeffizienten α0 bei Verdampfung im Mantelraum
Wärmeübergangskoeffizienten α0 (bei p0*, q0. Ra,0) für 57 Fluide beim Blasensieden an einzelnen horizontalen Cu-Rohren bei Verdampfung im Mantelraum
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Fluid |
Formel |
Krit. Druck |
α0 |
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|
Pc |
α0,exp |
|
bar |
W/(m²K) |
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|
Methan |
CH4 |
45.99 |
7200 |
|
Ethen |
H2C=CH2 |
50.42 |
4200 |
|
Ethan |
CH3CH3 |
48.72 |
4600 |
|
Propen |
H2C=CHCH3 |
45.55 |
4200 |
|
Propan |
CH3CH2CH3 |
42.51 |
4300 |
|
n-Butan |
C4H10 |
37.96 |
3600 |
|
i-Butan |
C4H10 |
36.29 |
3700 |
|
n-Pentan |
C5H12 |
33.70 |
3300 |
|
i-Pentan |
C5H12 |
33.78 |
3200 |
|
n-Hexan |
C6H14 |
30.34 |
3200 |
|
Cyclohexan |
C6H12 |
40.75 |
3000 |
|
n-Heptan |
C7H16 |
27.36 |
2900 |
|
Benzol |
C6H6 |
48.94 |
2900 |
|
Toluol |
C7H8 |
41.26 |
2800 |
|
Diphenyl |
C12H10 |
38.47 |
2100 |
|
Methanol |
CH3OH |
82.16 |
5150 |
|
Ethanol |
CH3CH2OH |
61.31 |
4350 |
|
n-Propanol |
CH3CH2CH2OH |
50.50 |
3750 |
|
2-Propanol |
CH3CHOHCH3 |
47.60 |
3950 |
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n-Butanol |
CH3CH2CH2CH2OH |
44.10 |
2600 |
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i-Butanol |
CH3CH3CHCH2OH |
42.95 |
4500 |
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2-Butanol |
CH3CHOHCH2CH3 |
41.94 |
3400 |
|
Acetaldehyd |
CH3CHO |
55.50 |
3500 |
|
Aceton |
CH3COCH3 |
47.0 |
3300 |
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|
Fluid |
Formel |
ASHRAE |
Krit. Druck |
α0 |
|
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|
Pc |
α0,exp |
|
bar |
W/(m²K) |
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|
Trifluormethan |
CHF3 |
R23 |
48.32 |
4800 |
|
Difluormethan |
CH2F2 |
R32 |
57.82 |
5000 |
|
Pentafluorethan |
CHF2CF3 |
R125 |
36.18 |
4400 |
|
1,1,1,2-Tetrafluorethan |
CH2FCF3 |
R134a |
40.59 |
4200 |
|
1,1,1-Trifluorethan |
CH3CF3 |
R143a |
37.61 |
4700 |
|
1,1-Difluorethan |
CH3CHF2 |
R152a |
45.17 |
4600 |
|
2,3,3,3-Tetrafluorprop-1-en |
H2C=CFCF3 |
R1234yf |
32.18 |
3000 |
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Heptafluorpropan |
CHF2CF2CF3 |
R227ea |
29.25 |
4100 |
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R125/R143a, azeotrop |
(s. R125 & R143a) |
R507 |
37.05 |
4200 |
|
Cyclooctafluorbutan |
C4F8 |
RC318 |
27.78 |
4200 |
|
Tetrafluormethan |
CF4 |
R14 |
37.50 |
4750 |
|
1,1-Dichlor-2,2,2-trifluorethan |
CHCl2CF3 |
R123 |
36.62 |
3000 |
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Fluortrichlormethan |
CFCl3 |
R11 |
44.08 |
2800 |
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Difluordichlormethan |
CF2Cl2 |
R12 |
41.36 |
4000 |
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Trifluorchlormethan |
CF3Cl |
R13 |
38.79 |
3900 |
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Trifluorbrommethan |
CF3Br |
R13B1 |
39.70 |
3500 |
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Difluorchlormethan |
CHF2Cl |
R22 |
49.90 |
3900 |
|
Trifluortrichlorethan |
CF2ClCFCl2 |
R113 |
33.92 |
2650 |
|
Tetrafluordichlorethan |
CF2ClCF2Cl |
R114 |
32.57 |
3800 |
|
Pentafluorchlorethan |
CF2ClCF3 |
R115 |
31.29 |
4200 |
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R22/R115, azeotrop |
(s. R22 & R115) |
R502 |
40.17 |
3300 |
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|
Fluid |
Formel |
Krit. Druck |
α0 |
|
|
|
Pc |
α0,exp |
|
bar |
W/(m²K) |
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|
Chlormethan |
CH3Cl |
66.79 |
4400 |
|
Tetrachlormethan |
CCl4 |
45.60 |
3200 |
|
Schwefelhexafluorid |
SF6 |
37.55 |
3700 |
|
Wasser |
H2O |
220.64 |
5600 |
|
Ammoniak |
NH3 |
113.33 |
7000 |
|
Sauerstoff |
O2 |
50.43 |
9500 |
|
Stickstoff |
N2 |
33.96 |
10000 |
|
Kohlendioxid |
CO2 |
73.77 |
5500 |
|
Argon |
Ar |
48.63 |
8200 |
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Neon |
Ne |
26.79 |
20000 |
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Wasserstoff |
H2 |
12.96 |
24000 |
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|
Fluid |
Formel |
Krit. Druck |
α0 |
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|
Pc |
α0,exp |
|
bar |
W/(m²K) |
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|
Helium |
He |
2.27 |
2000 |
© Springer Verlag Berlin Heidelberg 2013