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Heat and Moisture Transfer in Soil Warming by Circulating Warm Water in a Buried Pipe Line
http://hdl.handle.net/2297/46377
http://hdl.handle.net/2297/463778cfe9d18-f427-4d20-8091-c59b3ce198ef
名前 / ファイル | ライセンス | アクション |
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TE-PR-SEKI-H-217.pdf (1.2 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-10-03 | |||||
タイトル | ||||||
タイトル | Heat and Moisture Transfer in Soil Warming by Circulating Warm Water in a Buried Pipe Line | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
その他のタイトル | ||||||
温水循環方式による土壌加温時の熱及び水分移動 | ||||||
著者 |
Seki, Hirakazu
× Seki, Hirakazu× Komori, Tomoaki |
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書誌情報 |
Journal of Agricultural Meteorology = 農業気象 巻 45, 号 4, p. 217-226, 発行日 1990-01-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0021-8588 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA12492451 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.2480/agrmet.45.217 | |||||
出版者 | ||||||
出版者 | 日本農業気象学会 = Society of Agricultural Meteorology of Japan | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | In warming the soil bed for the protected cultivation of a typical water retentivity by circulating warm water, changes of temperature and moisture content distributions of the soil with time were predicted theoretically by applying Philip and deVries' model. Heat and moisture transport properties were estimated systematically, on the basis of the matric potential of soil water expressed by an approximate function of temperature and moisture content, and of the several empirical constants. Temperature and moisture content distributions were calculated by finite difference technique for the cases of 30°C, 40°C and 50°C of water temperature Tl, assuming the bare soil. It was shown that the drying rate of the soil around the warm water pipe becomes larger as Tl becomes higher, and that the dry out would be limited within an extremely narrow region around the pipe. The calculated results shown here would become useful information on planning the soil warming system in a greenhouse. 代表的な保水性を有する温室土壌を温水循環方式によって加温する場合, 土壌内の温度及び含水比分布が時間的にどのように変化するかを Philip & deVries モデルに基づいて理論的に予測した。熱・水分の移動物性値は, 温度と含水比の近似関数で表した土中水のマトリックポテンシャルと幾っかの実験定数に基づいて系統的に推算した。無栽植条件の下で, 温水温度Tlを30℃, 40℃, 50℃として数値シミュレーションを行ったところ, Tlが高いほど温水管付近の乾燥速度が大きくなること, 乾き上がりは管壁のごく近傍に限られることが予測された。ここに示した計算結果は, 温室土壌の加温計画立案のための有用な情報となるであろう。 | |||||
権利 | ||||||
権利情報 | Copyright © The Society of Agricultural Meteorology of Japan | |||||
権利URI | ||||||
権利情報 | http://www.agrmet.jp/ | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://www.jstage.jst.go.jp/browse/agrmet | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://agrmet.jp/ |