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首页> 外文期刊>Experimental Thermal and Fluid Science: International Journal of Experimental Heat Transfer, Thermodynamics, and Fluid Mechanics >Experimental and computational study of the developed flow field in a flat plate integrated collector storage (ICS) solar device with recirculation
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Experimental and computational study of the developed flow field in a flat plate integrated collector storage (ICS) solar device with recirculation

机译：具有再循环功能的平板集成集热器存储（ICS）太阳能设备中流场发展的实验和计算研究

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The flow structure in a flat plate integrated collector storage device, with recirculation of the storage water, is studied experimentally and theoretically. To facilitate flow visualization, an experimental device was constructed by transparent material (Plexiglas). Flow velocities and fluctuations are measured, using a LDV system. A three-dimensional CFD-model was developed using the FLUENT code. The standard k-omega model is selected as the most appropriate. The model is validated, with good agreement, against experimental measurements. Furthermore, copper tubes, in the form of embedded heat exchanger, are placed inside the device and another similar 3D model was developed. The model was used to examine the behavior of the system, when the service water enters the heat exchanger, thus being indirectly heated by the stored hot water. It is shown that the outlet temperature of the service water is enough higher, when recirculation occurs. (c) 2006 Elsevier Inc. All rights reserved.
机译：通过实验和理论研究平板一体化集热器存储装置中的水流与存储水的再循环。为了促进流动可视化，用透明材料（有机玻璃）构造了一个实验装置。使用LDV系统测量流速和波动。使用FLUENT代码开发了三维CFD模型。选择标准的k-omega模型是最合适的。该模型已针对实验测量值进行了验证，一致性良好。此外，将嵌入式热交换器形式的铜管放置在设备内部，并开发了另一个类似的3D模型。当非饮用水进入热交换器，从而被存储的热水间接加热时，该模型用于检查系统的行为。结果表明，当发生再循环时，非饮用水的出口温度足够高。 （c）2006 Elsevier Inc.保留所有权利。

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