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Related Concept Videos

Design Example: Deciding Thickness of Lubricating Fluid in a Shaft01:23

Design Example: Deciding Thickness of Lubricating Fluid in a Shaft

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Effective lubrication between a rotating shaft and its bearing housing is essential in rotating machinery to minimize friction, wear, and energy loss. With carefully controlled thickness and viscosity, the lubricant layer prevents metal-to-metal contact, ensuring smooth operation.
To calculate the required thickness of the lubricant layer, the tangential velocity at the shaft's surface must first be determined. This velocity is calculated by converting the rotational speed to angular...
110

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Updated: Jul 1, 2025

Cooling Rate Dependent Ellipsometry Measurements to Determine the Dynamics of Thin Glassy Films
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Oil-film extinction coefficient inversion based on thickness difference: erratum.

Zhenduo Zhang, Wei Li, Zhanjun Ma

    Optics Express
    |March 5, 2024
    PubMed
    Summary

    This erratum corrects critical errors in equations (2) and (3) of a previously published paper. These corrections are essential for the accurate interpretation of optical research findings.

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    Area of Science:

    • Optics and Photonics
    • Scientific Publishing

    Background:

    • Previous research published in Opt. Express contained inaccuracies.
    • Equations (2) and (3) in the original publication were identified as containing errors.

    Purpose of the Study:

    • To formally correct and retract erroneous equations from a prior publication.
    • To ensure the scientific record is accurate and reliable for future research.

    Main Methods:

    • Identification of specific errors in mathematical equations.
    • Issuance of a formal erratum detailing the necessary corrections.

    Main Results:

    • Correction of errors in equations (2) and (3).
    • Ensured accuracy of the published scientific data.

    Conclusions:

    • The erratum provides the corrected equations for accurate reference.
    • This ensures the integrity of the scientific literature in optics and photonics.