喷水塔饱和器的动态建模与仿真  

Dynamic Modeling and Simulation of a Water-spray Tower Saturator

作　　者：刘永文[1] 苏明[1] 翁史烈[1] 

机构地区：[1]上海交通大学动力机械与工程教育部重点实验室,上海200030

出　　处：《热能动力工程》2004年第3期285-287,共3页Journal of Engineering for Thermal Energy and Power

基　　金：国家重点基础研究发展规划基金资助项目 (G19990 2 2 3 0 3 ) ;国家自然科学基金资助项目 (5 99760 2 2 )

摘　　要：讨论了建立喷水塔饱和器的一维动态模型的方法。该方法将饱和器沿高度方向分解为若干段 ,每个段用气体和水滴模块表示。通过建立显式仿真模型 ,可以得到饱和器在稳定状态下和动态过程中参数的变化规律。根据模型稳定状态的数据 ,沿气体的主要流动方向 ,压力变化基本呈线性关系 ,而其它参数的变化为非线性。模型动态仿真结果表明 ,饱和器中气体压力和水之间的相互作用属于快过程 ,表现出与换热器不同的特点。A method of building a one-dimensional dynamic model for a water-spray tower saturator is discussed. Under this method the saturator has been divided along its height into several segments, each being represented by gas and water-drop modules. The setting-up of an explicit simulation model makes it possible to clarify the variation mechanism of parameters of the saturator under a steady state and during a dynamic process. According to the data of the model under a steady state the variation of pressure along the main flow direction of gas basically assumes a linear relationship, while the variation of other parameters has been found to be nonlinear. The results of the model dynamic-simulation indicate that the interaction between gas pressure and water in the saturator features a rapid process, thus exhibiting the characteristics different from those of a heat exchanger.

关 键 词：湿空气透平 饱和器 动态仿真 

分 类 号：TK123[动力工程及工程热物理—工程热物理]