本文介紹一種熱效應(yīng)對(duì)液壓組合式動(dòng)密封的密封性能影響的數(shù)學(xué)模型。模型以電液擺動(dòng)馬達(dá)葉片處的動(dòng)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(diǎn)研究熱效應(yīng)對(duì)液壓動(dòng)密封性能的影響。通過三維模型建立流場(chǎng)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(duì)動(dòng)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(hào)：3956059