气流脉动的分析与消减  

Analysis and Reduction of Gas Pulsation

作　　者：张传鑫[1,2,3] 张卫义[1] 孙笠峰 涂俊[1,2] 任园[1] 

机构地区：[1]北京石油化工学院机械工程学院,北京102617 [2]北京化工大学机电工程学院,北京100029 [3]中国科学院电工研究所,北京100190

出　　处：《压缩机技术》2014年第4期19-21,25,共4页Compressor Technology

摘　　要：概述气流脉动的平面波动理论和一维非定常气流理论,比较2个理论的基本假设、误差大小和适用范围;介绍国外在脉动控制方面的最新成果—一维时域流动求解算法,分析该算法的理论基础以及考虑的影响因素;对不同理论进行数值模拟,并根据模拟结果提出适合不同工况下的处理方法;简述3种较为先进的消减气流脉动装置,分析其结构和优点。Two great gas pulsation theories which are plane wave theory and one-dimensional unsteady flow theory were summarized.Basic assumptions,error magnitude and scope of application of the two theories were compared.The foreign latest achievement in controlling pulsation of the one-dimensional time flow algorithm was introduced and the theoretical basis and the affecting factors of the algorithm were analyzed.The suitable treatment methods under different working conditions were put forward according to the results of numerical simulation.Three kinds of reducing gas pulsation equipments which are more advanced were analyzed in their structures and advantages.

关 键 词：气流脉动 平面波动方程 一维非定常方程组 TAPS 

分 类 号：TH457[机械工程—机械制造及自动化] TB535[理学—物理]