Browse Publications Technical Papers 2005-01-2804
2005-07-11

Offgassing Characterization of the Columbus Laboratory Module 2005-01-2804

Trace gaseous contamination in the cabin environment is a major concern for manned spacecraft, especially those designed for long duration missions, such as the International Space Station (ISS).
During the design phase, predicting the European-built Columbus laboratory module’s contribution to the ISS’s overall trace contaminant load relied on “trace gas budgeting” based on material level and assembled article tests data. In support of the Qualification Review, a final offgassing test has been performed on the complete Columbus module to gain cumulative system offgassing data.
Comparison between the results of the predicted offgassing load based on the budgeted material/assembled article-level offgassing rates and the module-level offgassing test is presented. The Columbus module offgassing test results are also compared to results from similar tests conducted for Node 1, U.S. Laboratory, and Airlock modules.

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