> The six key test configurations are shown in Table D-2. A ¼-scale OSEF was used in place of a full-scale unit. Performance results were assessed accordingly. The Orion Program is considering flying one of two different laptop models, a Surface Pro or a Dell XPS 15. Both were tested during this test series. Sealed and unsealed OFC prefilters also were tested.
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> Testing revealed that the rise in temperature is directly related to the number of cells ignited. Maximum temperature rise inside the CBA during a Dell XPS 15 fire was 22 °F. The maximum temperature rise inside the CBA during a Surface Pro fire was 7 °F. Figure D-13 shows the relative temperature rises for several tests.
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> - When larger numbers of laptop cells were ignited, higher concentrations of toxic gases, increased particulate densities, and greater production of thermal energy were observed.
> - The larger the number of laptop battery cells ignited, the more likely the ammonia concentration was to reach levels capable of potentially poisoning the OSEF CO oxidation catalyst.