The Research of the Characteristics of Secondary Equipment Device and Airflow Jet

机译：二次设备装置和气流射流的特性研究

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In the large space and span building, secondary airflow equipment with nozzle's jet could notably improve the uniformity of temperature and velocity distribution of indoor thermal environment, as well as the occupant's comfort in the work area. Therefore, it is very important to reveal the characteristics of the secondary airflow equipment with nozzle's jet. In this paper, we regarded the secondary airflow equipment as the research object, and measured its single machine performance and the jet characteristics in an actual large space building. We found that air outlet diameter, air static pressure, air velocity, power, total pressure, and sound pressure level of the equipment would increase along with the increase of rotational speed. When the horizontal distance increased, the axis velocity of secondary airflow decreased both in isothermal jet conditions and non-isothermal jet conditions. Through this experimental study, we provided characteristic parameters of the secondary airflow equipment for actual construction design.

机译：在大空间和跨度的建筑物中，带有喷嘴喷嘴的二次气流设备可以显着提高室内热环境的温度和速度分布的均匀性，以及工作人员在工作区域的舒适度。因此，揭示具有喷嘴射流的二次气流设备的特性非常重要。本文以二次风设备为研究对象，在实际的大空间建筑中对二次风设备的单机性能和射流特性进行了测量。我们发现设备的出风口直径，空气静压力，空气速度，功率，总压力和声压级会随着转速的增加而增加。当水平距离增加时，在等温喷射条件下和非等温喷射条件下，二次气流的轴速度都会减小。通过这项实验研究，我们为实际的建筑设计提供了二次气流设备的特征参数。

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《International symposium on heating, ventilation and air conditioning;9th international symposium on heating, ventilation and air conditioning (ISHVAC) International conference on building energy and environment;Tianjin University;》|2015年|1-6|共6页
会议地点 Tianjin(CN)
作者
Chen Huang; Yezan Cui; Yalin Zhang;
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作者单位

School of Environment and Architecture University of Shanghai for Science and Technology Shanghai Chinaemail: hcyhyywj@163.com huangc@usst.edu.cn;

School of Environment and Architecture University of Shanghai for Science and Technology Shanghai China;

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关键词
Secondary airflow equipment; ; Rotational speed; ; Jet track; ; Axis velocity;

机译：二次气流设备； ;转速; ;喷射轨道;轴速度;

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1. Experimental study on the characteristics of secondary airflow device in a large enclosed space building [J] . Wang Haidong, Huang Chen, Cui Yezan, Energy and Buildings . 2018,第MAY期

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2. Characteristics and generation of secondary jets and secondary gigantic jets [J] . Lee L.-J., Huang S.-M., Chou J.-K., Journal of Geophysical Research, A. Space Physics: JGR . 2012,第A6期

机译：次级喷气机和次级巨型喷气机的特征和产生
3. Response characteristics for thermal and pressure devices commonly used for monitoring nasal and oral airflow during sleep studies [J] . J M Gehring, J-G Cho, J R Wheatley, Physiological measurement . 2014,第3期

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4. The research of the characteristics of secondary equipment device and airflow jet [C] . Chen Huang, Yalin Zhang, Yezan Cui International Symposium on Heating, Ventilation and Air Conditioning . 2016

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6. Characteristics of the turbulent laryngeal jet and its effect on airflow in the human intra-thoracic airways [O] . Ching-Long Lin, Merryn H. Tawhai, Geoffrey McLennan, -1

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7. The Research of the Characteristics of Secondary Equipment Device and Airflow Jet [O] . Huang Chen, Zhang Yalin, Cui Yezan 2015

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The Research of the Characteristics of Secondary Equipment Device and Airflow Jet

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