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|Title:||Performance comparison of vertical herringbone grooved journal bearings|
|Authors:||Winoto, S.H. |
|Citation:||Winoto, S.H.,Hou, Z.Q.,Zhang, Q.D. (2001). Performance comparison of vertical herringbone grooved journal bearings. Journal of Flow Visualization and Image Processing 8 (2-3) : 203-212. ScholarBank@NUS Repository.|
|Abstract:||The performance of vertical herringbone grooved journal bearings has been experimentally conducted to investigate the effects of groove patterns on the pumping sealing of the bearings. A test rig has been designed and fabricated for this purpose, and different herringbone groove patterns on the shafts have been tested at rotational speeds of about 200-2100 rpm. The aluminium shafts are of 46.2 mm diameter and the transparent sleeve (to enable visual observation of liquid lubricant between the shafts and the sleeve) was made of a perspex pipe of 120 mm length. Pressure tappings were made on the sleeve to obtain the pressure profiles along the shafts. The asymmetrical S-L-S-L (short-long-short-long) pattern, with a groove length ratio of 4.5:5.5, and the symmetrical L-S-S-L (long-short-long-short) pattern, with a groove length ratio of 3:7, show the most promising performance among the herringbone groove patterns considered.|
|Source Title:||Journal of Flow Visualization and Image Processing|
|Appears in Collections:||Staff Publications|
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