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基于有限差分法的日光溫室地溫二維模擬
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公益性行業(yè)（農(nóng)業(yè)）科研專項(xiàng)資助項(xiàng)目（201203002、200903009）和“十一五”國(guó)家科技支撐計(jì)劃資助項(xiàng)目（2009BADA4B04-01）


2-D Simulation of Soil Temperature in Solar Greenhouse Based on Finite Difference Method
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    摘要:

    為定量分析日光溫室土壤熱傳導(dǎo)過程,，合理設(shè)置地溫提高措施,，采用有限差分法構(gòu)建了日光溫室非穩(wěn)態(tài)二維地溫模擬模型，并在西北地區(qū)日光溫室內(nèi)對(duì)該模型進(jìn)行了試驗(yàn)驗(yàn)證。結(jié)果表明：模型能較好模擬冬季日光溫室內(nèi)多層地溫，模擬值和實(shí)測(cè)值之間平均絕對(duì)誤差為1.3℃、相對(duì)誤差為9.5%、均方根誤差為1.5℃,。

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    For quantitative analysis of soil heat transfer and taking measures to increase temperature, the 2-D unsteady simulation model of soil temperature was built by using the finite difference method. After validating the correctness of the model by the data measured in the solar greenhouse of northwest China, the soil temperature simulated agreed well with the measured data. The mean absolute error was 1.3℃, the mean relative error was 9.5%, and the root mean square error was 1.5℃.

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何芬,馬承偉,周長(zhǎng)吉,齊飛,劉晨霞.基于有限差分法的日光溫室地溫二維模擬[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2013,44(4):228-232. He Fen, Ma Chengwei, Zhou Changji, Qi Fei, Liu Chenxia.2-D Simulation of Soil Temperature in Solar Greenhouse Based on Finite Difference Method[J]. Transactions of the Chinese Society for Agricultural Machinery,2013,44(4):228-232.

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  • 在線發(fā)布日期: 2013-03-28
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