Page 43 - 《摩擦学学报》2021年第3期

332 摩 擦 学 学 报 第 41 卷

25 mT
15 mT 1.269
1.279 1.260
1.260 1.240
1.240
1.220 1.220
1.200
T/T 0 1.200 T/T 0 1.180
1.180
1.160 1.160
1.140
1.140 1.120
1.120 1.100
1.100 1.080
1.080 1.060
1.060 1.040
1.040 1.020
1.020 1.000
1.000
Y Y
X X
35 mT 1.248 45 mT 1.222
1.242 1.220
1.220 1.200
1.198 1.180
1.176 1.160
1.154 1.140
T/T 0 T/T 0 1.132 T/T 0 1.120
1.110 1.100
1.088 1.080
1.066 1.060
1.044 1.040
1.022 1.020
1.000 1.000
Y
Y
X X

Fig. 11 Transient temperature rise distribution diagram at the recess point
图 11 啮出点瞬态温升分布图
副振动速度，减小动载荷，啮入冲击和换齿冲击得到 [ 4 ] Hsu T C, Chen J H, Chiang H L, et al. Combined effects of magnetic
field and surface roughness on long journal bearing lubricated with
改善.
ferrofluid[J]. Journal of Marine Science and Technology, 2014,
c. 动载荷作用下，中心油膜压力和中心油膜厚度
22(2): 154–162. doi: 10.6119/JMST-013-0207-4.
都会呈现出衰减振荡的变化趋势，较大的磁感应强度 [ 5 ] Laghrabli S, El Khlifi M, Nabhani M, et al. Static characteristics of
可以改善油膜温升和增大油膜厚度，使油膜压力和油 ferrofluid finite journal bearing considering rotational viscosity
膜厚度的振幅减小且趋于稳定的速度加快. 适当增大 effect[J]. Lubrication Science, 2017, 29(4): 203–226. doi: 10.1002/
ls.1364.
外磁场磁感应强度并使磁性颗粒达到其饱和磁化强
[ 6 ] Shukla J B, Kumar D. A theory for ferromagnetic lubrication[J].
度，可以在改善润滑效果的同时并在一定程度上抑制
Journal of Magnetism and Magnetic Materials, 1987, 65(2-3):
齿轮系统振动和噪声的产生. 375–378. doi: 10.1016/0304-8853(87)90075-8.
[ 7 ] Shi Xiujiang, Wang Youqiang. Thermal elastohydrodynamic
参 考 文 献
lubrication property contrast studies of different carrier fluid
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