Affiliation of Author(s):能源与动力学院
Journal:机械制造与自动化
Key Words:管道;流固耦合;振动分析;数学建模;弯头;
Abstract:基于特征线14方程模型,对充液管路系统中弯头处的流固耦合进行了建模研究,得出了弯头处的平衡方程,通过C++软件开发管道流固耦合时域响应计算程序,结合文献算例验证了建模的正确性,研究了弯头对管道流固耦合振动特性的影响。结果表明,和直管相比,弯接头的存在能够降低流固耦合作用中流体压力和管道所受轴向应力脉动的峰值;弯头角度为90°时,弯头处流体压力脉动以及管道轴向应力脉动的峰值最小。
ISSN No.:1671-5276
Translation or Not:no
Date of Publication:2019-06-20
Co-author:钟永恒,田野,邓君湘
Correspondence Author:zyc
Associate Professor
Education Level:南京航空航天大学
Degree:Doctoral Degree in Engineering
School/Department:College of Energy and Power Engineering
Discipline:Aerospace Propulsion Theory and Engineering. Engineering Thermophysics
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