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International Workshop IFToMM for Sustainable Development Goals

I4SDG 2021: Proceedings of I4SDG Workshop 2021 pp 403–411Cite as

The Challenges of Oil Free Bearings in Micro-turbomachinery

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Part of the book series: Mechanisms and Machine Science ((Mechan. Machine Science,volume 108))

Abstract

Among all types of bearings, gas bearings are the most environmental friendly supports as they do not need to be lubricated with mineral oil. The air or the gaseous working fluid used in micro-turbomachinery are used to lubricate the bearings and realize the supporting task. Due to their characteristics, they cannot replace the other bearings in all applications; however, the research is always working in order to broaden the boundaries of gas bearings. This paper is aimed at describing the most promising application domains in which gas bearings are challenging and gives a survey on all types of gas bearings, discussing their pros and cons.

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Author information

Authors and Affiliations

  1. Politecnico di Torino, Turin, Italy

    Federico Colombo, Luigi Lentini, Terenziano Raparelli & Andrea Trivella

Authors
  1. Federico Colombo
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  2. Luigi Lentini
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  3. Terenziano Raparelli
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  4. Andrea Trivella
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Corresponding author

Correspondence to Federico Colombo .

Editor information

Editors and Affiliations

  1. DIMEAS, Politecnico di Torino, Torino, Italy

    Giuseppe Quaglia

  2. Università degli Studi di Udine, Udine, Italy

    Alessandro Gasparetto

  3. Department of Mechanical Engineering, University of the Basque Country, Bilbao, Spain

    Victor Petuya

  4. DIMEG, University of Calabria, Rende, Italy

    Giuseppe Carbone

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Colombo, F., Lentini, L., Raparelli, T., Trivella, A. (2022). The Challenges of Oil Free Bearings in Micro-turbomachinery. In: Quaglia, G., Gasparetto, A., Petuya, V., Carbone, G. (eds) Proceedings of I4SDG Workshop 2021. I4SDG 2021. Mechanisms and Machine Science, vol 108. Springer, Cham. https://doi.org/10.1007/978-3-030-87383-7_44

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