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RISDiscussion of “Contact Unloading Behaviors of Elastic-Power-Law Strain Hardening Material Considering Indenter Elasticity Effect” (Chen, C., Wang, Q., Wang, H., Ding, H., Hu, W., Xie, W., Weng, P., Jiang, L., and Yin, X., 2022, ASME J. Tribol., 144(12), p
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The readers ought to be aware of some claims based on unfounded theories in the subject paper [1], which could possibly distort results and hinder future research and development. To start, Eq. (3) in the subject paper is ...
Dynamic Sensitivities to Fractal Machine Noises in a Mechanical Face Seal
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Mechanical face seals are wide spread in many applications of powered equipment and turbomachinery. Often machine vibration and noise are unavoidable because of changing conditions which can be persistent and forceful. In ...
Exact Spectral Moments and Differentiability of the Weierstrass-Mandelbrot Fractal Function
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Fractal mathematics using the Weierstrass-Mandelbrot (WM) function has spread to many fields of science and engineering. One of these is the fractal characterization of rough surfaces, which has gained ample acceptance in ...
Discussion: “Extended Greenwood-Williamson Models for Rough Spheres” (Zhao, T., and Feng, Y. T., 2018, ASME J. Appl. Mech., 85(10), p. 101007)
Publisher: The American Society of Mechanical Engineers (ASME)
Discussion: “A Multi-Objective Optimization Approach on Spiral Grooves for Gas Mechanical Seals” (Wang, X., Shi, L., Huang, W., and Wang, X., 2018, ASME J. Tribol., 140(4), p. 041701)
Publisher: The American Society of Mechanical Engineers (ASME)
Rough Surface Contact of Curved Conformal Surfaces: An Application to Rotor–Stator Rub
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Rotating machines and associated triboelements are ubiquitous in industrial society, playing a central role in power generation, transportation, and manufacturing. Unfortunately, these systems are susceptible to undesirable ...
Impact Phenomena in a Noncontacting Mechanical Face Seal
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Noncontacting mechanical face seals are often described as unpredictable machine elements, gaining this moniker from numerous instances of premature and unexpected failure. Machine faults such as misalignment or imbalance ...
Steady-State Response of a Flexibly Mounted Stator Mechanical Face Seal Subject to Dynamic Forcing of a Flexible Rotor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Mechanical face seals are constitutive components of much larger turbomachines and require consideration of the system dynamics for successful design. The dynamic interplay between the seal and rotor is intensified by ...
Rotordynamic Analysis of Rotor–Stator Rub Using Rough Surface Contact
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Undesirable rotor–stator rub is frequently observed in rotordynamic systems, and has been the subject of many investigations. Most of these studies employ a simple piecewisesmooth linearelastic contact model (LECM), where ...
Rotordynamic Crack Diagnosis: Distinguishing Crack Depth and Location
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The goal of this work is to establish simple condition monitoring principles for diagnosing the depth and location of transverse fatigue cracks in a rotordynamic system. The success of an online crack diagnosis regimen ...