SIMULATION SUCCESS STORIES

KAPL Analyzes CO2 Foil Thrust Bearing Characteristics with Simulation

航空航天与国防安全

Treevor Munroe
Knolls Atomic Power Laboratory, Niskayuna, NY

诺尔斯原子能实验室(KAPL)是一家支持美国海军核动力推进计划的研发机构。最近,KAPL 与贝蒂斯原子能实验室合作测试了超临界二氧化碳(S-CO2)布雷顿动力循环系统。

设计该系统的目的是在高速高气压下运行,这意味着涡轮轴的轴承必须承受大范围的径向和轴向负荷。但是用于约束轴向力的推力轴承在特定速度下显示有大范围磨损。

使用 COMSOL Multiphysics 软件,KAPL 能够分析布雷顿循环动力系统的结构力学、流体力学和传热,以更好地了解推力轴承的运行和退化。这样做可以优化几何并提高轴承性能。

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