排烟系统风管阻力的一种简化计算方法
Simplified method for duct hydraulic calculation of smoke extraction systems
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。
关键词：排烟系统,风管阻力计算,沿程阻力,局部阻力,比摩阻
Abstract：
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.
Keywords:smoke extraction system, duct hydraulic calculation, frictional resistance, local resistance, specific frictional resistance