Increasing the height and multiplying the number of spans of greenhouse: how far can we go?

H. Fatnassi; T. Boulard; H. Benamara; J.C. Roy; R. Suay; C. Poncet

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Increasing the height and multiplying the number of spans of greenhouse: how far can we go?

机译：增加高度并乘以温室的跨度数：我们可以走多远吗？

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This study is principally based on predicting the consequences on the microclimate of changing greenhouse design. Several variations on the greenhouse design have been described and examined, i.e. the number of spans and gutter height. Climate investigations were based on numerical simulations using the CFD model and included the dynamic effect of the crop on the flow as well as the subsequent heat and mass exchanges. The results show: (i) that the structural design elements, such as the height of the greenhouse and the number of spans, have significant consequences on climate performance; (ii) that we cannot indefinitely increase the height and the number of spans of greenhouses; fiii) that increasing the volume of the greenhouse raises heat requirements and thus the economic profitability of this kind of investment is debatable.

机译：本研究主要基于预测对温室设计的微气密的后果。已经描述和检查了温室设计的几种变化，即，跨度和排水沟高度的数量。气候调查基于使用CFD模型的数值模拟，包括作物对流量的动态效果以及随后的热量和质量交换。结果表明：（i）结构设计元素，如温室的高度和跨度的数量，对气候性能产生重大影响; （ii）我们不能无限期地增加温室的高度和跨越跨度的数量; FIII）增加温室的数量提高了热量要求，因此这种投资的经济盈利能力是值得不值得的。

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来源
《Acta Horticulturae》 |2017年第1期|共7页
作者
H. Fatnassi; T. Boulard; H. Benamara; J.C. Roy; R. Suay; C. Poncet;
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作者单位

INRA Univ. Nice Sophia Antipolis CNRS UMR 1355-7254 Institut Sophia Agrobiotech 06900 Sophia Antipolis France;

INRA Univ. Nice Sophia Antipolis CNRS UMR 1355-7254 Institut Sophia Agrobiotech 06900 Sophia Antipolis France;

Centre de recherche et des technologies de l'energie CRTEn BP 95 Hamama lif 2050 Tunisia;

FEMTO- ST Franche-Comte University Belfort France;

INRA Univ. Nice Sophia Antipolis CNRS UMR 1355-7254 Institut Sophia Agrobiotech 06900 Sophia Antipolis France;

INRA Univ. Nice Sophia Antipolis CNRS UMR 1355-7254 Institut Sophia Agrobiotech 06900 Sophia Antipolis France;

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原文格式 PDF
正文语种 eng
中图分类园艺;
关键词
CFD modeling; span; height; greenhouse;

机译：CFD建模;跨度;高度;温室;

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Increasing the height and multiplying the number of spans of greenhouse: how far can we go?

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