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X探针旋转法测量风力灭火流场的实验研究
引用本文:许忠斌,吴松盛,毛忠夫. X探针旋转法测量风力灭火流场的实验研究[J]. 实验流体力学, 1995, 0(4)
作者姓名:许忠斌  吴松盛  毛忠夫
作者单位:华南理工大学,浙江大学
摘    要:
用二维恒温风速仪及X探针旋转法对风力灭火机出口三维撞击射流流场进行了实验,完成了渐缩圆形喷口射流以不同角度撞击到板上的三维流场的速度、湍流度及雷诺应力测试,经过适当的数据处理和结果分析,得出风力灭火机宜取20℃以下喷射角为佳。

关 键 词:X探针,撞击射流,风力灭火机,三维流,喷射角

AN EXPERIMENTAL INVESTIGATION OF X-PROBE MEASUREMENTS IN THE FLOWFIELD OF EXTINGUISHING FIRE BY WIND-FORCE
Xu Zhongbin. AN EXPERIMENTAL INVESTIGATION OF X-PROBE MEASUREMENTS IN THE FLOWFIELD OF EXTINGUISHING FIRE BY WIND-FORCE[J]. Experiments and Measur in Fluid Mechanics, 1995, 0(4)
Authors:Xu Zhongbin
Affiliation:Xu Zhongbin(South China University of Technology)Wu Songsheng;Mao Zhongfu(Zhejiang University)
Abstract:
An experimental investigation of the impingement jet from the nozzle of a wind-force extinguisher is presented here. By the X-Probe rotation method, the two channel HWA made by TSI incorporated can be used to measure 3-D flowfields.In the experiment, the jet issued from the circular convergence nozzle and then impinged onto a plate in different angles. The measurement results included 3-D mean velocity, turbulence level and Reynolds stress of the flow-field.After suitable data processing and result analysis,the better spray angle of extinguishing fire by windforce is obtained.It provides beneficial instructions to engineeringuse.
Keywords:X-probe impingement jet wind-force extinguisher three dimensional flows spray angle
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