| 多喷嘴组合式直旋流细水雾灭火喷头设计 |
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| 引用本文： | 华丹,李庆刚,唐孛,葛凯,成华友. 多喷嘴组合式直旋流细水雾灭火喷头设计[J]. 西华大学学报(自然科学版), 2015, 34(2): 108-112. DOI: 10.3969/j.issn.1673-159X.2015.02.022 |
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| 作者姓名： | 华丹 李庆刚 唐孛 葛凯 成华友 |
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| 作者单位： | 西华大学能源与环境学院;成都威斯特消防机械有限公司 |
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| 基金项目： | 流体及动力机械教育部重点实验室基金项目(szjj2013-010);西华大学研究生创新基金项目(YCJJ201384);西华大学研究生创新基金项目(YCJJ2014070) |
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| 摘 要： | 为解决单喷嘴直旋流细水雾灭火喷头在喷雾保护半径小以及喷雾密度分布方面的局限性，采用数值模拟与实验研究相结合的方法，设计一种新型多喷嘴组合式直旋流结构的细水雾灭火喷头。数值仿真和实验结果表明:在相同压力工况下多喷嘴组合式直旋流细水雾灭火喷头与单喷嘴直旋流细水雾灭火喷头比较，喷雾保护锥角从单喷嘴喷头的59°增加到多喷嘴组合式喷头的114°，喷雾保护锥角最高增幅达到93%，流量特性系数K从单喷嘴喷头的1.99增大到多喷嘴组合式喷头8.02，多喷嘴组合式喷头实际流量节省了约20%；同时，多喷嘴组合式喷头5个喷嘴之间的喷雾无干涉。
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| 关 键 词： | 多喷嘴 细水雾 组合式喷头 数值仿真 |
Design of Combined Multi-nozzle with Perpendicular Incidence Rotational Flow Atomization Water Mist |
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| HUA Dan;LI Qing-gang;TANG Bei;GE Kai;CHENG Hua-you. Design of Combined Multi-nozzle with Perpendicular Incidence Rotational Flow Atomization Water Mist[J]. Journal of Xihua University(Natural Science Edition), 2015, 34(2): 108-112. DOI: 10.3969/j.issn.1673-159X.2015.02.022 |
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| Authors: | HUA Dan LI Qing-gang TANG Bei GE Kai CHENG Hua-you |
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| Affiliation: | HUA Dan;LI Qing-gang;TANG Bei;GE Kai;CHENG Hua-you;School of Energy and Environment,Xihua University;Chengdu Weisite Fire - Fighting Equipment Co. ,Ltd; |
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| Abstract: | By the means of numerical simulation and experiment, a new type of combined multi-nozzle with perpendicular incidence rotational flow atomization water mist is designed to overcome the shortage of small radius and low density distribution that are innate for single-nozzle. The results of numerical simulation and experiment show thatunder the same pressure, the angle of multi-nozzle is 114°, while the angle of single-nozzle is 59°.The angle can increase 93% to the fullest extent. In addition, the flow coefficient K of the multi-nozzle is 8.02, which is larger than that of the single-nozzle (1.99). Moreover, the multi-nozzle can save about 20% water, and the 5 sub-sprinkle head are interference-free. |
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