Predicted and measured bearing metal temperatures of tilting-pad journal bearings are examined. All bearings are a five-pad design with load-between-pad orientation. The two loaded pads in each bearing are instrumented with an RTD. Bearing pad metal temperatures are measured as a part of the ISO 10439 (API 617) mechanical test requirement. Bearing pad metal temperatures are predicted using thermoelastohydrodynamic (TEHD) analysis method. One particular bearing size: 4 inches (101.6 mm) diameter and 1.54 inches (39.12 mm) axial length is examined with respect to tolerance range influence on predicted pad metal temperatures including effect of bearing assembled clearance and preloads. A range of loads and speeds are investigated. Temperature variation observed for this bearing size is compared against variation in measured temperature data for three other bearing sizes (bearing sizes denoted by diameter × axial length), 2.95 inches (74.9 mm) × 1.02 inches (25.9 mm), 6 inches (152.4 mm) × 3 inches (76.2 mm), and 8 inches (203.2 mm) × 7 inches (177.8 mm).
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ASME 2013 Gas Turbine India Conference
December 5–6, 2013
Bangalore, Karnataka, India
Conference Sponsors:
- International Gas Turbine Institute
ISBN:
978-0-7918-5616-1
PROCEEDINGS PAPER
Metal Temperature Correlations in Tilting Pad Journal Bearings
Manish R. Thorat,
Manish R. Thorat
Elliott Group, Jeannette, PA
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Brian C. Pettinato,
Brian C. Pettinato
Elliott Group, Jeannette, PA
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Pranabesh De Choudhury
Pranabesh De Choudhury
Pran RDA Consulting, Greensburg, PA
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Manish R. Thorat
Elliott Group, Jeannette, PA
Brian C. Pettinato
Elliott Group, Jeannette, PA
Pranabesh De Choudhury
Pran RDA Consulting, Greensburg, PA
Paper No:
GTINDIA2013-3547, V001T05A003; 10 pages
Published Online:
February 28, 2014
Citation
Thorat, MR, Pettinato, BC, & De Choudhury, P. "Metal Temperature Correlations in Tilting Pad Journal Bearings." Proceedings of the ASME 2013 Gas Turbine India Conference. ASME 2013 Gas Turbine India Conference. Bangalore, Karnataka, India. December 5–6, 2013. V001T05A003. ASME. https://doi.org/10.1115/GTINDIA2013-3547
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