Parametric investigations of short length hydro-dynamically lubricated conical journal bearing
Due to the growing need for compact size fluid film bearings, efforts are being made to explore the performance of hydro-dynamically lubricated short length conical journal bearing. The combined radial and axial load carrying features of these bearings emerge as a better option to replace the two se...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Malaysian Tribology Society
2018-12-01
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| Series: | Jurnal Tribologi |
| Subjects: | |
| Online Access: | https://jurnaltribologi.mytribos.org/v19/JT-19-57-78.pdf |
| _version_ | 1818907016259698688 |
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| author | Ajay K. Gangrade Vikas M. Phalle S. S. Mantha |
| author_facet | Ajay K. Gangrade Vikas M. Phalle S. S. Mantha |
| author_sort | Ajay K. Gangrade |
| collection | DOAJ |
| description | Due to the growing need for compact size fluid film bearings, efforts are being made to explore the performance of hydro-dynamically lubricated short length conical journal bearing. The combined radial and axial load carrying features of these bearings emerge as a better option to replace the two separate bearings (journal and thrust pad bearings) employed in turbo-machines and other applications. Thus, in this study, attempts have been made to investigate the performance of conical hydrodynamic journal bearing by using finite element analysis. The bearings have been investigated for semi-cone angle (γ = 10°), aspect ratio (λ = 0.5, 0.8, 1.0), journal speed (v = 2.6, 5.2 m/s) and load variations in terms of eccentricity ratio (ε) up to 0.6. Results have been presented in terms of radial and axial load carrying capacity, stiffness coefficients, damping coefficients and threshold speed. Results from the present study reveal that load carrying capacity is improved with higher aspect ratio; whereas threshold speed decreases with the increase of eccentricity ratio and aspect ratio. |
| first_indexed | 2024-12-19T21:48:25Z |
| format | Article |
| id | doaj.art-cf453ea506a94ab4989778a786561d05 |
| institution | Directory Open Access Journal |
| issn | 2289-7232 |
| language | English |
| last_indexed | 2024-12-19T21:48:25Z |
| publishDate | 2018-12-01 |
| publisher | Malaysian Tribology Society |
| record_format | Article |
| series | Jurnal Tribologi |
| spelling | doaj.art-cf453ea506a94ab4989778a786561d052022-12-21T20:04:29ZengMalaysian Tribology SocietyJurnal Tribologi2289-72322018-12-01195778Parametric investigations of short length hydro-dynamically lubricated conical journal bearingAjay K. Gangrade0Vikas M. Phalle1S. S. Mantha2Veermata Jijabai Technological Institute (VJTI), INDIA.Veermata Jijabai Technological Institute (VJTI), INDIA.Veermata Jijabai Technological Institute (VJTI), INDIA.Due to the growing need for compact size fluid film bearings, efforts are being made to explore the performance of hydro-dynamically lubricated short length conical journal bearing. The combined radial and axial load carrying features of these bearings emerge as a better option to replace the two separate bearings (journal and thrust pad bearings) employed in turbo-machines and other applications. Thus, in this study, attempts have been made to investigate the performance of conical hydrodynamic journal bearing by using finite element analysis. The bearings have been investigated for semi-cone angle (γ = 10°), aspect ratio (λ = 0.5, 0.8, 1.0), journal speed (v = 2.6, 5.2 m/s) and load variations in terms of eccentricity ratio (ε) up to 0.6. Results have been presented in terms of radial and axial load carrying capacity, stiffness coefficients, damping coefficients and threshold speed. Results from the present study reveal that load carrying capacity is improved with higher aspect ratio; whereas threshold speed decreases with the increase of eccentricity ratio and aspect ratio.https://jurnaltribologi.mytribos.org/v19/JT-19-57-78.pdfConical journal bearingHydrodynamic lubricationAspect ratioEccentricity ratioFinite element analysis |
| spellingShingle | Ajay K. Gangrade Vikas M. Phalle S. S. Mantha Parametric investigations of short length hydro-dynamically lubricated conical journal bearing Jurnal Tribologi Conical journal bearing Hydrodynamic lubrication Aspect ratio Eccentricity ratio Finite element analysis |
| title | Parametric investigations of short length hydro-dynamically lubricated conical journal bearing |
| title_full | Parametric investigations of short length hydro-dynamically lubricated conical journal bearing |
| title_fullStr | Parametric investigations of short length hydro-dynamically lubricated conical journal bearing |
| title_full_unstemmed | Parametric investigations of short length hydro-dynamically lubricated conical journal bearing |
| title_short | Parametric investigations of short length hydro-dynamically lubricated conical journal bearing |
| title_sort | parametric investigations of short length hydro dynamically lubricated conical journal bearing |
| topic | Conical journal bearing Hydrodynamic lubrication Aspect ratio Eccentricity ratio Finite element analysis |
| url | https://jurnaltribologi.mytribos.org/v19/JT-19-57-78.pdf |
| work_keys_str_mv | AT ajaykgangrade parametricinvestigationsofshortlengthhydrodynamicallylubricatedconicaljournalbearing AT vikasmphalle parametricinvestigationsofshortlengthhydrodynamicallylubricatedconicaljournalbearing AT ssmantha parametricinvestigationsofshortlengthhydrodynamicallylubricatedconicaljournalbearing |