Vaporization of JP-8 Jet Fuel in a Simulated Aircraft Fuel Tank ...
Vaporization of JP-8 Jet Fuel in a Simulated Aircraft Fuel Tank ...
Vaporization of JP-8 Jet Fuel in a Simulated Aircraft Fuel Tank ...
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30,000’, respectively. The same two fuel compositions with flashpo<strong>in</strong>ts <strong>of</strong> 115°F and<br />
120°F were used for the calculations. As with the previously presented constant pressure<br />
data, the results show that the calculated vapor concentration pr<strong>of</strong>iles bracketed the<br />
measured vapor concentration pr<strong>of</strong>ile, <strong>in</strong>dicat<strong>in</strong>g that the model provided a reasonably<br />
accurate prediction <strong>of</strong> fuel vaporization under vary<strong>in</strong>g ambient conditions.<br />
Temperature, Deg. F.<br />
120<br />
100<br />
80<br />
60<br />
40<br />
20<br />
0<br />
Thermocouple<br />
Error<br />
Liquid <strong>Fuel</strong> Temp<br />
Average Ullage Temp<br />
Average Surface Temp<br />
Ambient Pressure<br />
0 2000 4000 6000 8000<br />
Time, seconds<br />
Figure 5.13. Test FLT-10: simulated flight with cruise at 10,000’ altitude; fuel tank temperatures<br />
and ambient pressure.<br />
20<br />
15<br />
10<br />
5<br />
0<br />
Pressure, psia<br />
43
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