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Considerations of Material Circulation in CEEF Based on the Recent Operation Strategy
Technical Paper
2003-01-2453
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
In the Closed Ecology Experiment Facilities (CEEF), with integrating the Closed Plantation Experiment Facilities (CPEF) and the Closed Animal Breading & Habitation Facilities (CABHF), closed habitation experiments without material exchange with the outside will be conducted after the 2005 fiscal year. Cultivation experiments of about 30 crops and the integrating test of the material circulation system required for the closed habitation experiments have been performed since 2000 fiscal year. Using data reported in these experiments, material circulation in CEEF is simulated based on the recent operation strategy, and the storage capacity needed for the buffer of an air processing subsystem was estimated. In order for two humans to dwell over 120 days, the storage capacities of the carbon dioxide tank, the oxygen tank, and the waste gas tank in CPEF, and the carbon dioxide tank and the oxygen tank in CABHF are 820 g, 2830 g, 4425 g, 1780 g, and 1792 g, respectively. This implies the storage capacities needed in the best conditions. It is confirmed important to set the closing period of material circulation as the longest cultivation period of the crops, and to limit the processing amount of the wet oxidation processor to the quantity of waste product for one day.
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Authors
Citation
Miyajima, H., Ishikawa, Y., Arai, R., Tako, Y. et al., "Considerations of Material Circulation in CEEF Based on the Recent Operation Strategy," SAE Technical Paper 2003-01-2453, 2003, https://doi.org/10.4271/2003-01-2453.Also In
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