A Simulation for Precision Airflow Control using Multi-Fan in a Plant Factory
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概要
- 論文の詳細を見る
A new airflow system with multi-fan for precise airflow control and its evaluating method were suggested. A computational fluid dynamics (CFD) simulation was employed to analyze airflow. A cultivation space (1.0×1.0×0.5 m3) was established in the CFD model, and 12 lettuce models with simplified shapes were set in the space. Six small fans were used for generating airflow in the model. In order to verify the accuracy of the CFD model against the actual situation, the same situation as the CFD model were prepared. Lettuce replicas were made of steel meshes with sealing tapes. The accuracy of the CFD model was enough to investigate performances of the airflow control patterns. We assumed that the net photosynthetic rate per plant can be calculated the summation of the net photosynthetic rate calculated with the air current speed and the leaf area in the cell (the minimum unit of the CFD model) on the surface of the lettuce models which were the adjacent cells to the lettuce models. The suggested airflow control pattern could provide more uniform airflow distribution than the conventional airflow pattern and also enhance the net photosynthetic rate more than that in the conventional airflow pattern with the same energy input.
- 日本生物環境工学会の論文
- 2008-09-30
著者
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OKAYAMA Tsuyoshi
Osaka Branch, Okayama Laboratory, NISSHOKU Corporation
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OKAMURA Kenichi
Osaka Branch, Okayama Laboratory, NISSHOKU Corporation
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MURASE Haruhiko
Graduate School of Life and Environmental Science, Osaka Prefecture University
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Murase Haruhiko
Graduate School Of Life And Environmental Science Osaka Prefecture University
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Murase Haruhiko
Graduate School Of Life And Environmental Sciences Osaka Prefecture Univ.
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Okayama Tsuyoshi
Department Of Food Agricultural And Biological Engineering
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USHADA Mirwan
Graduate School of Life and Environmental Sciences, Osaka Prefecture University
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Okamura Kenichi
Osaka Branch Okayama Laboratory Nisshoku Corporation
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Ushada Mirwan
Osaka Prefecture Univ. Osaka Jpn
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Okayama Tsuyoshi
Osaka Branch Okayama Laboratory Nisshoku Corporation
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Ushada Mirwan
Graduate School Of Life And Environmental Science Osaka Prefecture University
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OKAYAMA Tsuyoshi
Nisshoku Corporation
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OKAMURA Kenichi
Nisshoku Corporation
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PARK Jai-Eok
Graduate School of Life and Environmental Science, Osaka Prefecture University
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Park Jai-eok
Graduate School Of Life And Environmental Science Osaka Prefecture University
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Murase Haruhiko
Graduate School Of Agriculture And Biological Sciences Osaka Prefecture University
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Murase Haruhiko
Graduate School Of Agriculture And Biological Science Osaka Prefecture University
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