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On-line airflow pattern measurement in ventilated buildings

机译:通风建筑中的在线气流模式测量

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摘要

Comfort, productivity and quality of life of living beings are strongly influenced by the physical properties of their microenvironment. To guarantee an optimal microenvironment, the supply and distribution of fresh air must be controlled. Therefore, on-line airflow pattern measurement and control are crucial elements. A new concept of an airflow pattern sensor, based on the measurement of the temperature distribution at air inlet, was tested and validated in two test installations at different scale. The sensor allowed a prediction of the airflow pattern centreline with a maximum deviation of 0.22 m at 1.5 m from inlet and a deviation of 0.53m at 3.5m from inlet. Integrating this sensor in climate control equipment will improve the distribution of fresh air within the ventilated space.
机译:生物的舒适性,生产率和生活质量受其微环境的物理特性强烈影响。为了保证最佳的微环境,必须控制新鲜空气的供应和分配。因此,在线气流模式的测量和控制至关重要。在进气口温度分布的测量基础上,对气流模式传感器的新概念进行了测试,并在两个不同规模的测试装置中进行了验证。该传感器可以预测气流模式中心线,其距进气口1.5 m处的最大偏差为0.22 m,距进气口3.5m处的最大偏差为0.53m。将该传感器集成到气候控制设备中将改善通风空间内的新鲜空气分布。

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