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An optimum design for air filter housing-louver: Enhancing filter life-time
Case Studies in Thermal Engineering ( IF 6.4 ) Pub Date : 2020-06-23 , DOI: 10.1016/j.csite.2020.100701
Parkpoom Sriromreun , Paranee Sriromreun

The design of filter housing and louver have been focused on the filter protection from rain. Up till now the effect of air-flow behavior on the filter life-span has not been considered. All filters have to be changed at the same time, which causes expensive maintenance and the plant to be shut down. Sometimes, the filter needs to be changed earlier than its real-life. The main aim of this work is to design a louver shape which obtains a consistent airflow through the filter housing in each channel. The airflow through the filter housing of four different shapes of the louver were simulated in two-dimensional models. The filter size was fixed at 60 × 60 cm. The three filters were set series for the filter housing height at 180 cm. CFD models used in this work to determine the optimum filter housing and louver shape for pressure drop reduction and uniform airflow distribution. The results showed that the optimum filter housing angle was found to be 45° at the largest louver size with the same size of inlet and outlet channels (H/L/Z = 1/1/1). The design of filter housing and louver can be indicated the best airflow behavior and the optimum cost.



中文翻译:

空气滤清器百叶窗的最佳设计:延长滤清器的使用寿命

过滤器外壳和百叶窗的设计重点在于过滤器的防雨保护。到目前为止,尚未考虑气流行为对过滤器寿命的影响。所有过滤器必须同时更换,这将导致昂贵的维护费用并关闭工厂。有时,滤镜需要比实际使用更早地进行更换。这项工作的主要目的是设计一种百叶窗形状,该百叶窗形状将在每个通道中通过过滤器外壳获得一致的气流。在二维模型中模拟了四种不同形状的百叶窗穿过过滤器壳体的气流。过滤器尺寸固定为60×60厘米。将三个过滤器的系列设置为过滤器外壳高度为180 cm。在这项工作中使用的CFD模型可以确定最佳的过滤器外壳和百叶窗形状,以降低压降和均匀的气流分布。结果表明,在入口和出口通道尺寸相同(H / L / Z = 1/1/1)的情况下,在最大百叶窗尺寸下,最佳过滤器外壳角度为45°。过滤器外壳和百叶窗的设计可以显示出最佳的气流性能和最佳的成本。

更新日期:2020-06-23
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