摘要
介绍汽轮机高、中和低压缸抽汽流道的流量分布和压损的计算方法。方法的要点是利用风道支管流量和压损计算的半径验方法，将抽汽流道分成有限个弧段，视每一弧段为一混合流支管，形成计算模型。用迭代方法进行计算，文中附有实例。
The paper presents a method for calculating mass flow distribution and pressure losses in HP,IP and LP steam turbine extractions.A key feature of the method is the use of a semi-empirical treatment for branch flow and losses at duct branch.By dividing an extraction zone into a finite number of segments, an analysis for each segment is based upon a direct application of the duct branch with uniting flow.A calculating model is formed by a finite number of duct branches.This method is an interactive one and an example for this method is given.
出处
《上海汽轮机》
1999年第3期19-23,共5页
Shanghai Turbine
关键词
抽汽流道
混合损失
汽轮机
流量分布
压损
extractions
radial slot
collector
branch with uniting flow
mixing loss
effective flow angle of deflection
calculation model
