The effects of operational conditions of the desiccant wheel on the performance of desiccant cooling cycles
The effects of operational conditions of the desiccant wheel on the performance of desiccant cooling cycles
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DOI：
10.1016/j.enbuild.2010.08.011
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发表时间：
2010-12-01
影响因子：
6.7
通讯作者：
Pasdarshahri, Hadi
中科院分区：
文献类型：
--
作者：
Heidarinejad, Ghassem;Pasdarshahri, Hadi
开发了除湿冷却模型，并将其应用于操作系统的通风、再循环、补充和混合模式。该数学模型基于瞬时热质耦合传递，用于预测系统在不同设计和运行条件下的性能。通过实验测量对数值结果进行了验证。研究了回热温度和转轮转速对COP和输出循环温度的影响。结果表明，存在一个最佳的回热温度和转速，此时输出循环温度最小。测定了最佳再生温度和转速，并在湿度图上进行了显示。计算这些值对这些循环的能源使用有很大影响。(C)2010爱思唯尔B.V.保留所有权利。
A desiccant cooling model is developed and applied to the ventilation, recirculation, makeup, and mix modes of the operating system. The mathematical model is based on the transient coupled heat and mass transfer and is used to predict the performance of the system under various design and operational conditions. The numerical results are validated using experimental measurements. The effects of the regeneration temperature and rotational speed of the desiccant wheel on the COP and output cycle temperature are investigated. The results show the availability of an optimum regeneration temperature and rotational speed in which the output cycle temperature has a minimum value. The optimum regeneration temperature and rotational speed are detected and shown on the Psychrometric charts. Calculating these values has a significant effect on the energy use of these cycles. (C) 2010 Elsevier B.V. All rights reserved.