| 塑料薄膜覆盖时土壤内水热传输模拟 |
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| 引用本文： | 王康,黄介生. 塑料薄膜覆盖时土壤内水热传输模拟[J]. 灌溉排水学报, 1999, 0(1) |
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| 作者姓名： | 王康 黄介生 |
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| 作者单位： | 武汉水利电力大学 |
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| 基金项目： | 国家“九五”科技攻关项目 |
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| 摘 要： | 建立了一个包括土壤层、塑膜覆盖物、植物冠层和大气边界层的系统，系统中的各层进行了能量平衡计算。并根据Ｐｈｉｌｉｐ和ＤｅＶｒｉｅｓ提出的土壤水热运移耦合方程，开发了预测塑膜覆盖下土壤水热运移的一维模型。采用该模型进行了十天的模拟计算，模拟结果与实测的土壤温度及负压剖面吻合较好
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| 关 键 词： | 塑料薄膜覆盖 能量平衡 空气动力学 水热耦合运移 |
Simulation of Water and heat Transfer in Soil Mulched with Transparent Plastic film |
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| Wang Kang Huang Jiesheng. Simulation of Water and heat Transfer in Soil Mulched with Transparent Plastic film[J]. Journal of Irrigation and Drainage, 1999, 0(1) |
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| Authors: | Wang Kang Huang Jiesheng |
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| Abstract: | A system consisting of soil layer, mulch layer and atmospheric boundary layer is developed and energy balance equation for each layer is derived. Based on Philip and De Bries model of describing coupling transfer process of heat and water flow in soil, a one dimensional model for predicting water and heat transfer in soil mulched with transparent plastic film is presented in this paper. The simulated temperature and water content values, with the new model, coincide well with the practical measured data in all investigated soil profiles. |
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| Keywords: | plastic film mulch energy balance aerodynamic coupled transfer of water and heat |
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