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A study of misaligned electrorheological fluid lubricated hole-entry hybrid journal bearing
Authors:J Sharana Basavaraja  Satish C Sharma  Satish C Jain
Affiliation:1. Department of Mechanical Engineering, B.M.S. College of Engineering, Bangalore, India;2. Department of Mechanical and Industrial Engineering, Indian Institute of Technology Roorkee, Roorkee, India;1. Mechanical Engineering Department, National Institute of Technology Hamirpur, Hamirpur 177005, Himachal Pradesh, India;2. Department of Mechanical Engineering, I.I.T. Delhi, New Delhi 110016, India;1. Department of Physics, Indian Institute of Technology (BHU), Varanasi, Uttar Pradesh 221005, India;2. Department of Mechanical Engineering, BIET, Jhansi, Uttar Pradesh 284128, India;3. Department of Mechanical Engineering, Indian Institute of Technology (BHU), Varanasi, Uttar Pradesh 221005, India;4. Department of Metallurgical Engineering, Indian Institute of Technology (BHU), Varanasi, Uttar Pradesh 221005, India;1. Hoseo University, 20, Hoseo-ro 79 gil, Baebang-eup, Asan-si, Chungnam 31499, Republic of Korea;2. Louisiana State University, 1419A Patrick Taylor Hall, Baton Rouge, LA 70803, USA;1. Department of Mechanical Engineering, Taoyuan Innovation Institute of Technology, Taiwan;2. Department of Institute of Mechatronic Engineering, National Taipei University of Technology, Taiwan;3. Department of Mechanical Engineering, National Taipei University of Technology, Taiwan
Abstract:The present work describes a theoretical study to demonstrate the effect of the journal misalignment on the performance of an orifice compensated hole-entry hybrid journal bearing system lubricated with ER fluid. The journal misalignment has been accounted for by defining a pair of misalignment parameters sigma and delta. Continuous Bingham Model has been used to describe the behavior of ER fluid. The bearing static and dynamic characteristic parameters presented in the study indicate that the effect of journal misalignment is in general to cause a reduction in bearing dynamic characteristic parameters whereas the electric field in the ER fluid is to partially compensate this loss.
Keywords:
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