2003 ASME Power Conference Steam Jet Air Ejector Performance Evaluation for Nuclear Plants Sunder Raj Presentation

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The document contains data from experiments measuring condensation properties including: total condensate temperature (Tt), partial pressure of air (Pa) and vapor (Pv), vapor saturation temperature (Tv), air fraction (AF), and subcooling (Tt - Tv). It also includes charts showing relationships between these properties at different operating conditions like total condenser pressure and dissolved oxygen concentration. The data and charts can be used to analyze heat and mass transfer during condensation in the presence of non-condensable gases.

0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
Tt 58.8 79.0 91.7 101.1 108.7 115.1 120.6 125.4 129.8 133.8
AF 30% 30% 30% 30% 30% 30% 30% 30% 30% 30%
VF 70% 70% 70% 70% 70% 70% 70% 70% 70% 70%
AF/VF 43% 43% 43% 43% 43% 43% 43% 43% 43% 43%
Ma 29 29 29 29 29 29 29 29 29 29
Mv 18 18 18 18 18 18 18 18 18 18
Pa 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.1
Pv 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2 3.6 3.9
Tv 52.3 72.0 84.3 93.4 100.7 106.9 112.2 116.9 121.1 125.0
Tt - Tv 6.5 7.1 7.5 7.7 8.0 8.2 8.4 8.5 8.7 8.8
Total Pressure Pt, in.HgA

0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
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0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
Total Condenser Pressure, in.HgA
CoolingofMixture,F
Air Fraction 20% Air Fraction 30% Air Fraction 40% Air Fraction 50% Air Fraction 60%

25000
30000
35000
40000
45000
50000
55000
60000
65000
30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 130 135
Condensate Temp., F
Henry'sConstant

Total
Cond.
Press.
Pt,
in.HgA
Total
Cond.
Temp. Tt,
°F
Henry's Constant
HO2,
Atmosphere/Mole
Fraction
Partial
Press.Pa,
in.HgA
Partial
Press. Pv,
in.HgA
Vapor
Sat.
Temp.
Tv, °F
Air
Fraction
AF, %
Subcooling
Tt - Tv, °F
1.00 79.04 44377 0.025 0.975 78.26 4.0% 0.78
2.00 101.14 52541 0.030 1.970 100.64 2.4% 0.50
3.00 115.06 56720 0.032 2.968 114.67 1.7% 0.38
4.00 125.42 59731 0.034 3.966 125.10 1.4% 0.31
NOTES:
1. Pa = (HO2 x DO)/(25.07E06 x 0.49115)
2. Tt corresponds to Pt
3. Pv = Pt - Pa
4. Tv corresponds to Pv
5. AF = Pa/(Pa + 0.6207 Pv)

0.000
0.050
0.100
0.150
0.200
0.250
0.500 1.000 1.500 2.000 2.500 3.000 3.500 4.000 4.500 5.000
PARTIAL PRESSURE OF VAPOR, IN.HGA
PARTIALPRESSUREOFAIR,IN.HGA
0.00%
1.00%
2.00%
3.00%
4.00%
5.00%
6.00%
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9.00%
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14.00%
15.00%
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17.00%
18.00%
19.00%
20.00%
21.00%
22.00%
AIRFRACTION,%
7 PPB 14 PPB 21 PPB 28 PPB 35 PPB 42 PPB

0
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45
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
CONDENSATE SUBCOOLING, F
DO,PPB
1.0 IN.HGA 1.5 IN.HGA 2.0 IN.HGA 2.5 IN.HGA 3.0 IN.HGA 3.5 IN.HGA 4.0 IN.HGA
4.5 IN.HGA 5.0 IN.HGA

2003 ASME Power Conference Steam Jet Air Ejector Performance Evaluation for Nuclear Plants Sunder Raj Presentation

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