CIESC Journal ›› 2023, Vol. 74 ›› Issue (3): 1228-1238.DOI: 10.11949/0438-1157.20221377
• Surface and interface engineering • Previous Articles Next Articles
Weizheng ZHANG(), Jijun ZHAO(), Xuezhong MA(), Qixuan ZHANG, Yixiang PANG, Juntao ZHANG
Received:
2022-10-18
Revised:
2022-11-14
Online:
2023-04-19
Published:
2023-03-05
Contact:
Jijun ZHAO, Xuezhong MA
张伟政(), 赵吉军(), 马学忠(), 张琦璇, 庞益祥, 张俊涛
通讯作者:
赵吉军,马学忠
作者简介:
张伟政(1978—),男,博士,副教授,zhangweiz@163.com
基金资助:
CLC Number:
Weizheng ZHANG, Jijun ZHAO, Xuezhong MA, Qixuan ZHANG, Yixiang PANG, Juntao ZHANG. Analysis of turbulence effect on face groove cooling performance of high-speed mechanical seals[J]. CIESC Journal, 2023, 74(3): 1228-1238.
张伟政, 赵吉军, 马学忠, 张琦璇, 庞益祥, 张俊涛. 湍流效应对高速机械密封端面型槽冷却性能影响分析[J]. 化工学报, 2023, 74(3): 1228-1238.
参数 | 数值 | 参数 | 数值 |
---|---|---|---|
密封环内径ri/mm | 40 | 密封间隙h0/μm | 10 |
环形槽内径ra1/mm 环形槽外径ra2/mm | 41 44 | 环形槽槽深ha/μm 螺旋槽槽深hg/μm | 100 100 |
螺旋槽槽根半径rg/mm | 45 | 螺旋槽个数Ng | 12 |
密封环外径ro/mm | 50 | 转速n/(r/min) | 25000 |
螺旋槽槽坝比β | 0.5 | 内径侧压力pi/MPa | 0.1 |
螺旋槽槽宽比γ 螺旋角α/(°) | 0.5 18 | 外径侧压力po/MPa 密封介质 | 2.0 水 |
Table 1 Geometric and operating parameters
参数 | 数值 | 参数 | 数值 |
---|---|---|---|
密封环内径ri/mm | 40 | 密封间隙h0/μm | 10 |
环形槽内径ra1/mm 环形槽外径ra2/mm | 41 44 | 环形槽槽深ha/μm 螺旋槽槽深hg/μm | 100 100 |
螺旋槽槽根半径rg/mm | 45 | 螺旋槽个数Ng | 12 |
密封环外径ro/mm | 50 | 转速n/(r/min) | 25000 |
螺旋槽槽坝比β | 0.5 | 内径侧压力pi/MPa | 0.1 |
螺旋槽槽宽比γ 螺旋角α/(°) | 0.5 18 | 外径侧压力po/MPa 密封介质 | 2.0 水 |
参数 | 数值 | 参数 | 数值 |
---|---|---|---|
动环材料 静环材料 | 不锈钢 碳石墨 | 静环比热容cS/(J/(kg‧K)) 介质比热容cF/(J/(kg‧K)) | 670 4200 |
动环厚度bR/mm | 5 | 动环密度ρR/(kg/m3) | 7930 |
静环厚度bS/mm | 5 | 静环密度ρS/(kg/m3) | 2400 |
动环热导率kR/(W/(m‧K)) 静环热导率kS/(W/(m‧K)) | 15 20 | 黏温系数 冲洗液速度Uf/(m/s) | 0.0175 7 |
介质热导率kF/(W/(m‧K)) | 0.65 | 介质温度T0/K | 303.16 |
动环比热容cR/(J/(kg‧K)) | 500 | 环境温度TL/K | 303.16 |
Table 2 Physical parameters in THD analysis
参数 | 数值 | 参数 | 数值 |
---|---|---|---|
动环材料 静环材料 | 不锈钢 碳石墨 | 静环比热容cS/(J/(kg‧K)) 介质比热容cF/(J/(kg‧K)) | 670 4200 |
动环厚度bR/mm | 5 | 动环密度ρR/(kg/m3) | 7930 |
静环厚度bS/mm | 5 | 静环密度ρS/(kg/m3) | 2400 |
动环热导率kR/(W/(m‧K)) 静环热导率kS/(W/(m‧K)) | 15 20 | 黏温系数 冲洗液速度Uf/(m/s) | 0.0175 7 |
介质热导率kF/(W/(m‧K)) | 0.65 | 介质温度T0/K | 303.16 |
动环比热容cR/(J/(kg‧K)) | 500 | 环境温度TL/K | 303.16 |
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