论文部分内容阅读
符号 h:油膜厚度; v:表面运动速度; P:压力; μ:动力粘度; ρ:密度; α:倾斜角; a:距离; P:力; W:挤压膜负荷; R:半径; S:面积; Ω:角速度; n:转速; y:总间隙; τ:剪应力; b:振荡滑块径向长度; R_z:表面不平度平均高度。辽阳石油化纤公司引进法国拉脱公司制造的蒸气裂解装置离心式压缩机,该机采用了自调间隙式液力密封,工作转速为9970rpm密封直径在126～127mm范围内,被密封的工质为石脑油蒸气裂解气,其最高压力为36.08kgf/cm~2,工作温度为60～70℃。据法方介绍:这
Symbol h: Thickness of oil film v: Speed of surface movement P: Pressure μ: Dynamic viscosity ρ: Density α: Tilting angle a: Distance P: Force W: Squeeze film load R: Radius S : Area; Ω: angular velocity; n: rotational speed; y: total gap; τ: shear stress; b: radial length of oscillating slider; R_z: average height of surface unevenness. Liaoyang Petrochemical Company introduced the French company Stereo steam cracker centrifugal compressor, the machine uses a self-adjusting gap hydraulic seal, the working speed of 9970rpm seal diameter in the range of 126 ~ 127mm, the working fluid is sealed Naphtha cracked gas, the maximum pressure of 36.08kgf / cm ~ 2, the working temperature is 60 ~ 70 ℃. According to the French side: This