期刊
JOURNAL OF CLEANER PRODUCTION
卷 321, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2021.128874
关键词
Water lubrication; Full film bearings; Hydrostatic bearing; Hydrodynamic bearing; Thrust bearing; Anticipatory LCA
资金
- Dutch ministry of economic affairs via TKI Wind at Sea [DOT3000]
Water lubricated bearings have been identified as a sustainable alternative to oil-based bearings, and an analytical design tool based on anticipatory Life Cycle Assessment has been introduced to aid in design decisions. By quantifying environmental impacts, this tool helps in determining key factors in bearing design.
Water lubricated bearings have been named in literature as a sustainable alternative to their oil-based counterparts. In order to clarify when water lubricated bearings are or are not a sustainable alternative, and inform design decisions, an analytical design tool is introduced based on anticipatory Life Cycle Assessment (LCA). This model is based on data from the bearing geometries, materials, and material combinations that have been the subject of research attention in the past 20 years in water lubricated bearing design. The model provides simple equations, fed with data from literature on materials, production and their tribological combination to provide initial insight on the sustainability of these types of bearings and future designs. A case study illustrates that quantifying environmental impacts can help determine when lubricant loss is more important than material choice, or vice-versa. The method aids bearing designers towards more sustainable designs.
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