Application of CFD analysis for static and dynamic characteristics of hydrodynamic journal bearing

Kenichiro Takenaka, Tomoyuki Hayashi, Kazuyoshi Miyagawa

Research output: Contribution to conferencePaper

1 Citation (Scopus)

Abstract

Journal bearings are one of the most important mechanical elements for the stable operation of rotors. Rotational machinery is becoming larger and more complicated in recent years, so proper design of bearings is necessary to offer stable support. However, bearings with shapes and operating conditions that can not be predicted by the conventional Reynolds equation method exist. In this paper,therefore, a prediction method of vibration characteristics of journal bearings using CFD was constructed. To calculate the dynamic characteristics, mesh morphing methods simulating two oscillating states were studied. In order to compare with the calculation results, an active oscillating rotor using magnetic bearings was constructed. As a result, the calculation results were roughly consistent with the experimental results, and a prediction method by CFD was constructed.

Original languageEnglish
Publication statusPublished - 2017 Jan 1
Event17th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery, ISROMAC 2017 - Maui, United States
Duration: 2017 Dec 162017 Dec 21

Conference

Conference17th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery, ISROMAC 2017
CountryUnited States
CityMaui
Period17/12/1617/12/21

Keywords

  • Active magnetic bearing
  • Dynamic characteristics
  • Journal bearing

ASJC Scopus subject areas

  • Mechanical Engineering

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  • Cite this

    Takenaka, K., Hayashi, T., & Miyagawa, K. (2017). Application of CFD analysis for static and dynamic characteristics of hydrodynamic journal bearing. Paper presented at 17th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery, ISROMAC 2017, Maui, United States.