| 空冷风机桥动力计算 |
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| 引用本文： | 王勇强,雷平和,田树桐,屈铁军,窦睿杰.空冷风机桥动力计算[J].电力建设,2011,32(1):12-14. |
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| 作者姓名： | 王勇强 雷平和 田树桐 屈铁军 窦睿杰 |
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| 作者单位： | 1. 中国电力工程顾问集团华北电力设计院工程有限公司,北京市,100011
2. 北方工业大学,北京市,100041 |
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| 基金项目： | 中国电力工程顾问集团华北电力设计院工程有限公司科研项目 |
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| 摘 要： | 火力发电厂机械通风空冷凝汽器风机桥动力计算时的关键是确定风机桥所受扰力。通过对风机运行时转动轴的应变进行测试，得到了风机转轴的应变曲线。根据实测应变曲线，分析总结了风机桥的扰力特性，提出了风机桥扰力计算方法，可为国内空冷自主化设计提供参考。
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| 关 键 词： | 火力发电厂 空冷系统 风机桥 扰力 转动轴 应变曲线 扰力特性 |
| 收稿时间： | 2010-06-09 |
| 修稿时间： | 2010-08-01 |
Dynamic Calculation of Fan Bridge of Direct Air-cooling System |
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| WANG Yongqiang,LEI Pinghe,TIAN Shutong,QU Tiejun,DOU Ruijie.Dynamic Calculation of Fan Bridge of Direct Air-cooling System[J].Electric Power Construction,2011,32(1):12-14. |
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| Authors: | WANG Yongqiang LEI Pinghe TIAN Shutong QU Tiejun DOU Ruijie |
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| Affiliation: | 1.North China Power Engineering Co.Ltd.,China Power Engineering Consulting Group,Beijing 100011,China;2.North China University of Technology,Beijing 100041,China) |
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| Abstract: | The key for dynamic calculation of fan bridge of direct air-cooling system of coal-fired power plants is to determine the oscillation force of fan bridge. Based on measurement of the strain of fan shaft during fan operation, the strain curves of the fan shaft are obtained. According to the measured strain curves, the oscillation force characteristics of the fan bridge is analyzed and the calculation method of oscillation force is proposed, which can be used as a reference for . self-design of direct air-cooling system in China. |
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| Keywords: | coal-fired power plant air-cooling system fan bridge oscillation force strain curves fan shaft oscillation force characteristics |
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