| 风管摩擦阻力的直接计算方法 |
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| 引用本文： | 彭小勇,李惠敏. 风管摩擦阻力的直接计算方法[J]. 暖通空调, 2004, 34(12): 76-77,80 |
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| 作者姓名： | 彭小勇 李惠敏 |
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| 作者单位： | 南华大学;南华大学 |
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| 摘 要： | 提出用高精度的反映密度、黏度和温度关系的经验公式和Colebrook公式计算风管摩擦阻力系数的方法。分析和算例表明,用该方法计算,计算结果比采用常用工程设计方法更为准确,为应用计算机进行风道设计提供了直接、简便的方法。
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| 关 键 词： | 风管 摩擦阻力 计算方法 |
Direct calculation method of air duct frictional resistance |
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| By Peng Xiaoyong and Li Huimin NanHua University,Hengyang,Hunan Province,China. Direct calculation method of air duct frictional resistance[J]. Journal Heating Ventilating and Airconditioning, 2004, 34(12): 76-77,80 |
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| Authors: | By Peng Xiaoyong Li Huimin NanHua University Hengyang Hunan Province China |
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| Abstract: | Puts forward the calculation method of air duct frictional resistance based on the Colebrook formula and a high accuracy empirical formula reflecting the relation between air density and viscosity and air temperature. Analysis and calculation show that the calculation result by this method is better than that by conventional engineering design methods. It provides direct and simple method for air duct calculation with computers. |
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| Keywords: | air duct frictionai resistance calculation method |
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