基于风机盘管热风供热系统的温室热环境研究

Nongye Jixie Xuebao/Transactions of the Chinese Society for Agricultural Machinery(2013)

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Abstract
为进一步提高温室供热系统整体供热效率,针对生物质锅炉作为热源、风机盘管作为末端散热装置的温室热风供热系统,建立了试验温室冬季夜间供暖条件下的室内热环境模拟CFD模型,对室内温度场分布进行了数值模拟并与试验结果进行对比.结果表明,二者所描述的温室内温度场的分布趋势相同,各点误差均小于3℃,计算均方根误差为0.66℃,验证了所建CFD模型的有效性.模拟结果表明:采用该热风供热系统可有效提高室内温度,植物生长区域温度范围为12~ 17℃,植物层温度分布均匀,无较大梯度变化.
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Key words
Computational fluid dynamics,Fan coil,Forced-air heating system,Greenhouse,Thermal environment
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