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改进双圆弧罩盖减少雾滴飘失试

, PP. 67-71

Keywords: 雾滴,双圆弧罩盖,飘失,仿真,风洞,试验

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Abstract:

通过计算流体力学软件Fluent的仿真模拟,分析现有双圆弧罩盖喷雾的流场和雾滴运动轨迹,并针对存在的问题提出了罩盖的改进方案。与改进前罩盖喷雾、常规喷雾进行了流场、雾滴运动轨迹和沉积率的仿真对比以及雾滴沉积率的风洞试验对比。仿真结果表明,改进后罩盖的流场有利于雾滴向靶标的沉降,当风速为3m/s时,安装改进罩盖喷雾的雾滴沉积率为76.88%,高于改进前的63.26%和常规喷雾的50.16%。风洞试验结果表明,当风速为3m/s时,改进罩盖的雾滴沉积率为73.35%,高于改进前的66.90%和常规喷雾的

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