本文介紹一種熱效應(yīng)對液壓組合式動密封的密封性能影響的數(shù)學(xué)模型。模型以電液擺動馬達(dá)葉片處的動密封為例,以熱彈流潤滑理論為基礎(chǔ),除綜合考慮諸如壓力,馬達(dá)線速度等因素外,重點研究熱效應(yīng)對液壓動密封性能的影響。通過三維模型建立流場參數(shù)與密封性能之間的關(guān)系后進(jìn)行了數(shù)值求解,并分析熱效應(yīng)對動密封性能的影響。

【文章頁數(shù)】：7 頁

【文章目錄】：
1 Introduction
2 Numerical model of dynamic seal
    2.1 Reynolds equation
    2.2 Film thickness equation
        2.2.1 The inner surface displacement of the cylinder owing to pre-loading upre-loading z
        2.2.2 Normal deformation of the cylinder ubody z
        2.2.3 Normal deformation of the seal useal
    2.3 Roelands equation and density equation
    2.4 Temperature field model
        2.4.1 The film energy equations
        2.4.2 The solid energy equations
        2.4.3 The continuity equation at the interfaces
        2.4.4 The oil film velocity equation
    2.5 Leakage and the friction force
3 Solution and analysis
4 Conclusions



本文編號：3956059