流体机械

2016, v.44;No.529(07) 63-69

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组合式空调箱中盘管热回收的性能分析
Performance Analysis on the Coil- heat Recovery in Air Handle Unit

王磊;谷波;冯梦怡;
WANG Lei;GU Bo;FENG Meng-yi;Shanghai Jiaotong University;

摘要(Abstract):

组合式空调箱中盘管热回收的性能不仅受到工况参数的影响,而且也随结构参数的改变而改变。本文建立了盘管热回收装置的集中参数模型,并通过试验来验证计算模型的可靠性:计算模型的求解结果与试验测试结果相匹配,其平均相对误差均小于5.3%,最大相对误差均小于7%。并利用此模型研究了回路形式、翅片间距、沿气流方向管排数、循环风量、盘管水流速的变化对盘管热回收性能的影响,为组合式空调箱选择合适的盘管热回装置收提供依据。
The performance of coil- heat recovery used by air handle unit is variable with not only condition parameters,but also structure parameters. Lumped parameter model is designed,the calculated results of the model were verified by the experimental data: the mean relative deviations are lower than 5. 3% and the maximal relative deviations are lower than 7%. Based on this model,the effects of flow circuits,fin pitch,number of tube rows alone the airflow direction,air volume,and water speed on the coil heat recovery performance are investigated,which provide the basis for the selection of coil heat recovery in air handle unit.

关键词(KeyWords): 组合式空调箱;盘管热回收;热回收效率;性能仿真
air handle unit;coil heat recovery;heat recovery efficiency;performance simulation

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作者(Author): 王磊;谷波;冯梦怡;
WANG Lei;GU Bo;FENG Meng-yi;Shanghai Jiaotong University;

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