流固网络一体化模拟方法探索及应用  

Simulation approach to the fluid-thermal network and the application

作　　者：侯升平[1] 陶智[1] 韩树军[1] 丁水汀[1] 徐国强[1] 

机构地区：[1]北京航空航天大学能源与动力工程学院航空发动机气动热力科技重点实验室,北京100191

出　　处：《航空动力学报》2010年第3期509-514,共6页Journal of Aerospace Power

基　　金："凡舟"青年科研基金(20070401)

摘　　要：推导了一种新的流体网络与固体网络一体化模拟方法编成程序应用到航空发动机空气系统及沿程固体域的温度、压力、流量预测中.该方法将模拟系统简化为节点和元件组成的网络,节点和元件处建立守恒方程,应用新的方法将流体和固体网络统一求解.程序应用到有参考结果的算例中得到验证,验证后的程序被应用到某预研航空发动机涡轮盘的流场和温度场预测中,为工程设计提供了有用的参考.A new approach combining fluid network and thermal network was developed to predict the characteristic of pressure, temperature and mass flow rate of engine. The simulated system was simplified into nodes and branches. Conservation equations were solved by a newly introduced fluid-thermal method. The program was validated by applying to the benchmark, and then the program was applied to predict the flow and heat transfer characteristics of turbine disk in engine, providing useful reference for design.

关 键 词：非稳态 流体网络 节点 压力修正 

分 类 号：V228.3[航空宇航科学与技术—飞行器设计]