JAXA Repository / AIREX 未来へ続く、宙(そら)への英知

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Other TitleExperimental study on LED lighting for plant cultivation using Water-Energy-Cycle System
Author(jpn)石井 忠司; 都木 恭一郎; 橋本 保成; 田中 孝治; 藤田 孝
Author(eng)Ishii, Tadashi; Toki, Kyoichiro; Hashimoto, Yasunari; Tanaka, Koji; Fujita, Takashi
Author Affiliation(jpn)次世代技術; 東京農工大学; 宇宙航空研究開発機構 宇宙科学研究本部; 宇宙航空研究開発機構 宇宙科学研究本部; AEC藤田
Author Affiliation(eng)Jisedaitech L. P.; Tokyo University of Agriculture and Technology; Japan Aerospace Exploration Agency Institute of Space and Astronautical Science; Japan Aerospace Exploration Agency Institute of Space and Astronautical Science; AEC Fujita
Issue Date2006-06
PublisherInstitute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA/ISAS)
Publication title第25回宇宙エネルギーシンポジウム 平成17年度
The Twenty-fifth Space Energy Symposium March 10, 2006
Start page69
End page73
Publication date2006-06
AbstractThe Water-Energy-Cycle Space Propulsion System is a multifunctional system that stores electric energy and provides thermal energy and propulsion. It functions only by installing water as a resource. We have been studying the plant factory as an application that makes the best use of this feature. The plant factory using water cycle system is suitable for manned space activity because it produces food, absorbs CO2, and supplies oxygen from water and sunlight. Artificial light such as LED is used in the plant factories. LED pulse lighting improves the photosynthesis speed, and it can reduce electric power consumption. In this research, we confirmed the effect of LED pulse lighting by measuring photosynthesis speed and we tried to diagnose the plant status by measuring the bioelectric potential of plant.
Keywordswater; water energy cycle; life support system; light emitting diode; plant cultivation; pulsed radiation; spectral sensitivity; photosynthesis; 水; 水エネルギーサイクル; 生命維持システム; 発光ダイオード; 植物栽培; パルス照射; スペクトル感度; 光合成
Document TypeConference Paper
JAXA Categoryシンポジウム・研究会

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