Page 120 - Root Cause Failure Analysis

Table 8-2 Air Density Ratios

Altitude, feet above sea level
0 1,OOO 2,000 3,000 4,000 5,000 6,000 7,000 8,000 9,000 10,000 15,000 20,000
Air E
Temp Barometric pressure, inches of mercury 2
29.92 28.86 27.82 26.82 25.84 24.90 23.98 23.09 22.22 21.39 20.58 16.89 13.75
OF 5
70 1.OOO 0.964 0.930 0.896 0.864 0.832 0.801 0.772 0.743 0.714 0.688 0.564 0.460 +
100 0.946 0.912 0.880 0.848 0.818 0.787 0.758 0.730 0.703 0.676 0.651 0.534 0.435 E
150 0.869 0.838 0.808 0.770 0.751 0.723 0.6% 0.671 0.646 0.620 0.598 0.490 0.400 2.
200 0.803 0.774 0.747 0.720 0.694 0.668 0.643 0.620 0.596 0.573 0.552 0.453 0.369
250 0.747 0.720 0.694 0.669 0.645 0.622 0.598 0.576 0.555 0.533 0.514 0.421 0.344
300 0.697 0.672 0.648 0.624 0.604 0.580 0.558 0.538 0.518 0.498 0.480 0.393 0.321
350 0.654 0.631 0.608 0.586 0.565 0.544 0.524 0.505 0.486 0.467 0.450 0.369 0.301
400 0.616 0.594 0.573 0.552 0.532 0.513 0.493 0.476 0.458 0.440 0.424 0.347 0.283
450 0.582 0.561 0.542 0.522 0.503 0.484 0.466 0.449 0.433 0.416 0.401 0.328 0.268
500 0.552 0.532 0.513 0.495 0.477 0.459 0.442 0.426 0.410 0.394 0.380 0.311 0.254
550 0.525 0.506 0.488 0.470 0.454 0.437 0.421 0.405 0.390 0.375 0.361 0.296 0.242
600 0.500 0.482 0.465 0.448 0.432 0.416 0.400 0.386 0.372 0.352 0.344 0.282 0.230
650 0.477 0.460 0.444 0.427 0.412 0.397 0.382 0.368 0.354 0.341 0.328 0.269 0.219
700 0.457 0.441 0.425 0.410 0.395 0.380 0.366 0.353 0.340 0.326 0.315 0.258 0.210

Source: Unknown