Page 13 - 摩擦学学报2025年第8期

第 8 期 侯正烜, 等: 涡轮泵动静压机械密封端面液氧相变特性研究 1111

8 μm-PC 0.000 7 8 μm-PC
10.8 10 μm-PC 10 μm-PC
12 μm-PC 12 μm-PC
14 μm-PC 0.000 6 14 μm-PC
10.6
F o /kN f 0.000 5
10.4
8 μm-RE 0.000 4 8 μm-RE
10 μm-RE 10 μm-RE
10.2 12 μm-RE 12 μm-RE
14 μm-RE 0.000 3 14 μm-RE
115 120 125 130 135 140 115 120 125 130 135 140
T/K T/K
(a) F o -T (b) f-T

8 μm-PC
0.026 10 μm-PC 0.03
12 μm-PC
14 μm-PC
0.024 0.02 8 μm-PC 8 μm-RE
Q up /(kg/s) 0.022 Q/(kg/s) 0.01 10 μm-PC 10 μm-RE
12 μm-PC
12 μm-RE
14 μm-RE
14 μm-PC
0.020 8 μm RE
10 μm RE
12 μm RE 0.00
0.018 14 μm RE
115 120 125 130 135 140 115 120 125 130 135 140
T/K T/K
(c) Q up -T (d) Q-T
Fig. 10 Effect of temperature on sealing performance at different spiral groove depths
图 10 不同槽深下温度对密封性能的影响

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