油膜軸承潤滑壓力罐系統內流場的CFD仿真_沈大喬油膜軸承潤滑壓力罐系統內流場的CFD仿真
沈大喬劉勛李軍陳德國
沖冶賽迪工程技術股份有限公司重慶400013)
摘要：運用CFD仿真技術模擬了軋機油膜軸承潤滑系統中不同內部結構壓力罐在相同工況下的三維流場與溫度場； 仿真分析了節流支管的流場情況，從理論上探討了節流支管大小、長度與主油管的匹配問題。仿真結果表明：帶均壓支 管的壓力罐內部結構有助于改善流速均勻性，其中均壓縫隙支管相比阻尼孔支管具有更好的改善效果。
關鍵詞：壓力罐；問節流支管；潤滑系統
中圖分類號：IH133. 3文獻標識碼：A文章編號：0254?150 (2008) 10—082—3
The CFD Stnuktjon fDr Interior Structure of the pressure
Tank Systen ofO ilFitn Bear pg
ShenDaQiao LP Xun Li Jun ChenDeguo
(CWI Engineering C?9 L?Chongqing4000B Ch 譏丐
Abstrac.t The3 -D flew fie]d and tmiPeratiire fie]d pr 旺e lubrication systrni of oil fipi bearjngswilh dif^nt hterjor strucuire of pressure tank were sjnulated bY CFD ( Co^PutHtjonal Fluid Dynam lcs)nun erica Im e ihoj under 旺 e sane con_ ditions The flew fieH of ^rottle pjpe was analyze^ ihe match of lhe sjze and leng旺 of ^rottle pjpe withniaji pjpe was discussed jn ^eoiy The result jidicates ihat 1he interior stmemre of pressure tank wi^i equa^ pressure pjpe can inp rove the equally of lheir Ulterior f]cw fie垠 and the damp pg gaps ^jnble model is better 旺an hole ^tnblemodej
Keyword^ pressure tar* CFQ Ihiottle Pipe lubrication sysm
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