摘要
以火箭发动机涡轮泵为典型应用背景 ,研究空间工程低粘度非油润滑滑动轴承 ,运用数值方法计算、分析了多种润滑介质下动压、纯静压、动静压润滑性能 ,结果表明 :就承载能力而言 ,粘度相对较大时动压轴承较佳 ,粘度相对较小时动静压轴承较佳 ,但轴承的选型需综合考虑多项轴承性能及应用的特定要求。文中提供了轴承承载能力、流量、功耗等关键性能参数的计算结果和详细的对比分析 ,为深入研究火箭发动机涡轮泵滑动轴承的可行性提供了基础 。
Sliding bearings with low-viscosity fluids, which are used in the rocket engine turbopump, were studied. The hydrodynamic, hydrostatic and hybrid lubrication performance of the bearing using several lubricant were analyzed using a numerical method. The results show that for the load capacity the hydrodynamic bearing is better when the lubricant' s viscosity is relatively lower, but when the lubricant' s viscosity is relatively higher, the hybrid bearing is better. Because the choice of the bearing needs to consider more performances of the bearing and the special requirements of the application synthetically, the numerical values and the analysis of some critical performances such as load capacity, flow rate, power consumption were presented in the paper. It will be the basic work for the further research in the feasibility of the sliding bearings used in the rocket engine turbopump. Furthermore, it is significant to other applications.
出处
《润滑与密封》
EI
CAS
CSCD
北大核心
2004年第3期10-13,17,共5页
Lubrication Engineering
基金
"8 63"计划项目资助 (2 0 0 2AA72 2 0 61)
