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Computational Thermal Sciences: An International Journal

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ISSN Печать: 1940-2503

ISSN Онлайн: 1940-2554

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 1.5 To calculate the five year Impact Factor, citations are counted in 2017 to the previous five years and divided by the source items published in the previous five years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) 5-Year IF: 1 The Immediacy Index is the average number of times an article is cited in the year it is published. The journal Immediacy Index indicates how quickly articles in a journal are cited. Immediacy Index: 0.3 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.00017 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.28 SJR: 0.279 SNIP: 0.544 CiteScore™:: 2.5 H-Index: 22

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DEVELOPMENT AND VALIDATION OF THE 3D TEMPERATURE FIELD SIMULATION FOR THE TILTING PAD JOURNAL BEARINGS

Том 9, Выпуск 2, 2017, pp. 151-163
DOI: 10.1615/ComputThermalScien.2017019029
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Краткое описание

When it comes to prediction of the journal bearing performances, computational fluid dynamics (CFD) has been considered as a well-established method, which is much commonly used nowadays. Moreover, valuable outcomes, and even breaking through, can be expected when introducing CFD into the analysis of tilting pad journal bearings (TPJBs). This paper aims to apply this new 3D CFD method in TPJB thermal performance prediction. Completed in FLUENT, the present simulations have taken various thermal factors into consideration, including the lubricant properties changing with temperature variations and the conjugate heat transfer from the oil to the pads. In the transient calculations, a valid dynamic mesh algorithm was developed to cope with mesh updating in the paper-thin oil film area. The results generated from the simulations were verified by experimental measurements in other literature. Particularly, pad surface temperatures obtained from the simulations indicate a more accurate temperature distribution prediction than the traditional 2D Reynolds equation method. In addition, according to the calculations on flow fields carried out at different positions of the shaft center, the findings indicate that the changes in thickness of the oil film on the loaded pads lead to significant variations in maximum bearing temperature. In summary, the 3D CFD method, with better accuracy and more flow-field details available, ensures a more effective and efficient way of TPJB thermal performance prediction.

ЦИТИРОВАНО В
  1. Li Qiang, Zhang Shuo, Wang Yujun, Xu Wei-Wei, Wang Zhenbo, Investigations of the three-dimensional temperature field of journal bearings considering conjugate heat transfer and cavitation, Industrial Lubrication and Tribology, 71, 1, 2019. Crossref

  2. Chen Yu, Feng Jun, Sun Y., Peng Xu, Dai Qiao, Yu Chengtao, Effect of groove shape on the hydrodynamic lubrication of journal bearing considering cavitation, Engineering Computations, 37, 5, 2019. Crossref

  3. Tauviqirrahman Mohammad, Afif M. Fadhli, Paryanto P., Jamari J., Caesarendra Wahyu, Investigation of the Tribological Performance of Heterogeneous Slip/No-Slip Journal Bearing Considering Thermo-Hydrodynamic Effects, Fluids, 6, 2, 2021. Crossref

  4. Tauviqirrahman Mohammad, Paryanto , Muchammad , Mufian Muhammad Haekal, Jamari , Thermohydrodynamic Analysis of a Hydrophobic Rayleigh Step Bearing Considering Cavitation: Effect of Hydrophobic Coating Arrangement, in Proceedings of the 3rd Malaysian International Tribology Conference, 2022. Crossref

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