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首页> 外文期刊>Multiphase science and technology >DEVELOPMENT OF A NEW LARGE-FLOW-RATE AND EFFICIENT MIST GENERATOR, AND ITS APPLICATION TO AIR COOLING IN GREENHOUSES
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DEVELOPMENT OF A NEW LARGE-FLOW-RATE AND EFFICIENT MIST GENERATOR, AND ITS APPLICATION TO AIR COOLING IN GREENHOUSES

机译:一种新型大流量高效除雾器的研制及其在温室空气冷却中的应用

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摘要

A new large-flow-rate mist generator of less energy consumption has been developed in this study. The mist generator is categorized as two-fluid-type, but no water pump is required if pressurized air alone is supplied because water is automatically suctioned by vacuum pressure arising behind a sphere or an orifice in the mist generator. Several types of mist generators with sphere or different orifice sizes, etc. have been produced and tested in order to find the best specifications. In the tests, mist generation rate, air supply rate, and air pressure at the inlet of the mist generator were measured to evaluate the pneumatic power which is needed to select an air source. From the ratio of the mist generation rate to the pneumatic power and the droplet size, the optimum type was determined. Furthermore, as an example of practical uses for the mist generator, air-cooling tests in a greenhouse were conducted in the daytime and evening, in midsummer as well as late fall. The test results in the daytime in midsummer showed that the room temperature in the house fell from 50 to 30℃. These test results and the details of the mist generator are reported in this paper.
机译:这项研究开发了一种新的能耗更低的大流量雾发生器。薄雾发生器分类为两种流体类型,但是如果仅提供压缩空气,则不需要水泵,因为水会被薄雾发生器中球体或孔口后面产生的真空压力自动抽吸。为了找到最佳规格,已经生产并测试了几种类型的具有球形或不同孔径的雾发生器。在测试中,测量了雾发生率,空气供应率和雾发生器入口处的气压,以评估选择空气源所需的气动功率。根据雾产生率与气动功率的比和液滴尺寸,确定最佳类型。此外,作为雾产生器的实际用途的实例,在白天和晚上,仲夏和深秋进行了温室的空气冷却测试。仲夏白天的测试结果显示,房屋的室温从50℃降至30℃。这些测试结果和雾发生器的详细信息在本文中进行了报告。

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