| 噪声对大型横流式冷却塔动力特性的影响 |
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| 引用本文： | 方明霞,龚旭.噪声对大型横流式冷却塔动力特性的影响[J].上海力学,1999,20(4):431-436. |
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| 作者姓名： | 方明霞 龚旭 |
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| 作者单位： | [1]同济大学 [2]上海金桥复合材料设备联合公司 |
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| 摘 要： | 本文采用随机数值方法模拟噪声，并用有限元法分析噪声对大型冷动塔动力特性的影响。研究发现，无论是迭加噪声还是调频噪声，都将使冷却塔振动响应超过规定允许值。通过改变冷却塔体横加结构，改善了塔体的动力特性，噪声影响明显减少。
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| 关 键 词： | 冷却塔 有限元 振动 噪声 横流式 动力特性 |
DYNAMICS ANALYSIS ON COOLING TOWER BY NOISE EFFECTION |
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| Fang Mingxia Fengqi.DYNAMICS ANALYSIS ON COOLING TOWER BY NOISE EFFECTION[J].Chinese Quarterly Mechanics,1999,20(4):431-436. |
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| Authors: | Fang Mingxia Fengqi |
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| Abstract: | The dynamical behaviour of cooling tower in ambient noise was investigated with FEM. We found that dynamical responce in resonace region was influenced strongly, and amplitude of vibration is higher then 0.18mm. After modified the structure, dynamical behavioue has been improved. |
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| Keywords: | cooling tower finite element Vibration |
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