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From: Long permanence high altitude airships: the opportunity of hydrogen
Altitude | Density H2 | Density He | V(H2) | Veff (H2) | V(He) | Veff (He) |
---|---|---|---|---|---|---|
[m] | kg/m3 | kg/m3 | [m3] | [m3] | [m3] | [m3] |
0.00 | 0.08953 | 0.17777 | 319251 | 351176 | 346150 | 380765 |
1000.00 | 0.08125 | 0.16132 | 351806 | 386986 | 381448 | 419593 |
2000.00 | 0.07356 | 0.14606 | 388561 | 427417 | 421300 | 463430 |
3000.00 | 0.06644 | 0.13193 | 430176 | 473194 | 466421 | 513064 |
4000.00 | 0.05987 | 0.11887 | 477437 | 525181 | 517665 | 569431 |
5000.00 | 0.05380 | 0.10682 | 531278 | 584406 | 576042 | 633647 |
6000.00 | 0.04821 | 0.09573 | 592821 | 652104 | 642771 | 707048 |
7000.00 | 0.04308 | 0.08555 | 663413 | 729754 | 719310 | 791241 |
8000.00 | 0.03838 | 0.07621 | 744681 | 819149 | 807425 | 888168 |
9000.00 | 0.03408 | 0.06767 | 838607 | 922467 | 909265 | 1000192 |
10000.00 | 0.03016 | 0.05989 | 947603 | 1042364 | 1027446 | 1130190 |
11000.00 | 0.02660 | 0.05281 | 1074645 | 1182109 | 1165191 | 1281710 |
12000.00 | 0.02272 | 0.04511 | 1258196 | 1384016 | 1364208 | 1500629 |
13000.00 | 0.01940 | 0.03853 | 1473098 | 1620408 | 1597218 | 1756939 |
14000.00 | 0.01657 | 0.03291 | 1724708 | 1897178 | 1870027 | 2057029 |
15000.00 | 0.01415 | 0.02811 | 2019282 | 2221211 | 2189421 | 2408363 |
16000.00 | 0.01209 | 0.02401 | 2364179 | 2600597 | 2563378 | 2819716 |
17000.00 | 0.01033 | 0.02050 | 2767981 | 3044779 | 3001202 | 3301323 |