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Theoretical and Experimental Study on Characteristics of Water-Lubricated Spiral Grooved Seals
Author(s): 
Pages: 806-810
Year: Issue:  5
Journal: Journal of Northwestern Polytechnical University

Keyword:  端面密封(机械密封)水润滑开启力摩擦力矩;
Abstract: 螺旋槽端面密封是液体火箭发动机涡轮泵用轴端密封的首选;考虑粘温、流体泄漏及热传导,建立了适合于内外双槽中间密封坝结构端面密封的理论分析模型,发展了螺旋槽密封膜厚控制方程和合适的边界条件;以此研究了密封特性参数(端面开启力、液膜刚度、摩擦力矩等)受不同运行参数(工作转速、压差等)和结构参数(槽深等)的影响规律.以水为密封介质,试验研究了处在不同压差和转速条件两类不同槽深的双螺旋槽端面密封的性能.理论...
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