技术中心

【英文篇名】 Simplified method for duct hydraulic calculation of smoke extraction systems 【作者中文名】 董涛; 【作者英文名】 Dong Tao~★★East China Architectural Design Ltd.; Shanghai; China; 【作者单位】 华东建筑设计研究院有限公司; 【文献出处】 暖通空调, Heating Ventilating 风管阻力计算; 沿程阻力; 局部阻力; 比摩阻; 【英文关键词】 smoke extraction system; duct hydraulic calculation; frictional resistance; local resistance; specific frictional resistance; 【摘要】 针对目前排烟系统风管阻力计算中存在的问题,从沿程阻力和局部阻力的角度,提出了排烟系统风管阻力的简化计算方法。经验证,该方法能满足初步设计阶段的工程计算要求,并为利用计算机计算排烟系统风管阻力提供了方便。 【英文摘要】 For the problems existing in the duct hydraulic calculation of smoke extraction systems, presents a simplified method for duct hydraulic calculation based on the analysis of frictional resistance and local resistance.It is verified that the method can meet the calculation requirement in the preliminary design phase and offers convenience for using computer to finish the duct hydraulic calculation in smoke extraction systems.