Technical Assessment of Dry Ice Limits on Aircraft (2013) / Chapter Skim
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31 concentration from NASA test aircraft flights show a similar amount of variation.43 Although geographic variations in carbon dioxide concentration have been modeled and displayed graphically,44 for the purposes of assessing potential carbon dioxide levels inside aircraft, the variation in carbon dioxide concentration in the outside air with time or location is not significant. Compared with a typical outside concentration of about 390 ppm, this variation is only about 1%, and for our purposes, the concentration of carbon dioxide in outdoor air may be taken as a constant.
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32 various aircraft at common seating arrangements would be as shown in Table 7. Or, assuming an area-normalized sublimation rate of 170 g/m2 ?
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33 ing is required because, in general, the air outside the aircraft is too hot or too cold for comfort. Air purification is required for gaseous contaminant*
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From page 34... ...
34 Calculation of Expected Carbon Dioxide Concentrations With information on ventilation (fresh) air flows and with information about the volumetric rate of production of carbon dioxide gas from dry ice and the target carbon dioxide concentration limit, the calculation of the maximum amount of dryice–containing cargo that can be carried is straightforward.
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