Browsing Research Articles (Mechanical and Aeronautical Engineering) by Type "Preprint Article"
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Browsing Research Articles (Mechanical and Aeronautical Engineering) by Type "Preprint Article"
Now showing items 1-20 of 21
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(Elsevier, 2020-02)Fully resolved fluid–solid coupling is explored with the gradient corrected weakly compressible SPH methodology being used to simulate an incompressible Newtonian fluid as well as being used to obtain the coupling force ...
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(Elsevier, 2021-09)The order-frequency spectral coherence and its integrated spectra (e.g. improved envelope spectrum, squared envelope spectrum) are some of the most powerful methods for performing fault diagnosis under time-varying operating ...
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(Elsevier, 2021-09)This paper introduces a boundary condition scheme for weakly compressible (WC) renormalised first-order accurate meshless Lagrangian methods (MLM) by considering both solid and free surface conditions. A hybrid meshless ...
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(Elsevier, 2021-02)Incipient damage detection is important for critical rotating machines such as gearboxes found in the power generation, mining and aeronautical industries. However, the fault information frequently manifests in weak frequency ...
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(Elsevier, 2023-12)The object of this paper is to propose a new phase-cycle analysis for gear and bearing diagnostics of rotating machinery which synthesises the theory of angle-time cyclostationary (AT-CS). The motivation for this research ...
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(Elsevier, 2021-07)Condition monitoring is very important to avoid unexpected breakdowns of expensive rotating machines found in the power generation and mining industries. The fault information in vibration signals is often buried in low ...
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(Elsevier, 2020-09)The degradation of high energy piping systems is very complex to simulate due to the many variables that influence the useful lives of such systems. Estimation of the extent of degradation is however important in the ...
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(American Society of Mechanical Engineers, 2015-04)Please read abstract in the article.
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(Elsevier, 2022-04)Latent variable models are important for condition monitoring as they learn, without any supervision, the healthy state of a physical asset as part of its latent manifold. This negates the need for labelled fault data and ...
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(Elsevier, 2021-09)Please read abstract in the article.
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(American Institute of Aeronautics and Astronautics, 2018)The suitability of local piston theory for modeling static loads on a deforming low-aspect-ratio wing in the presence of aerodynamic interference is investigated. Predictions using Euler-based local piston theory are ...
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(Elsevier, 2020-01)Condition monitoring is usually performed over long periods of time when critical rotating machines such as wind turbine gearboxes are monitored. There are many potential signal processing and analysis techniques that can ...
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(Elsevier, 2018-11)In the wind resource industry Computational Fluid Dynamics (CFD) has gained widespread use to model the Atmospheric Boundary Layer (ABL). These models primarily focus on the neutrally stratified surface layer and ignore ...
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(American Society of Mechanical Engineers, 2018-05)Blade tip timing (BTT) is a noncontact method for measuring turbomachinery blade vibration. Proximity sensors are mounted circumferentially around the turbomachine casing and used to measure the tip displacements of blades ...
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(Taylor and Francis, 2022)Free convection heat transfer over annular finned tubes was studied numerically for more than 60 different cases and verified against two experimental works. In addition, the effect of fin spacing on heat transfer was ...
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(Elsevier, 2022-07)The development of ultrasonic guided wave monitoring systems has become increasingly important as they have demonstrated the ability to detect damage in structures. An example of such a system is the Ultrasonic Broken Rail ...
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(American Society of Mechanical Engineers, 2014-08)The degree of variability between theoretical and empirical nanofluid viscosity model predictions and relevant experimental data is examined in this work. Results confirm a high degree of variability in the compared data; ...
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(American Institute of Aeronautics and Astronautics, 2019-02)The use of second- and third-order classical piston theory (CPT) is commonplace, with the role of the higher-order terms being well understood. The advantages of local piston theory (LPT) relative to CPT have been ...
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(Routledge, 2013)Varying diameter ratios associated with smooth concentric tube-in-tube heat exchangers are known to have an effect on their convective heat transfer capabilities. Linear and nonlinear regression models exist for determining ...
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(Elsevier, 2024-04)Over the years, informative frequency band (IFB) identification techniques emerged with the aim of guaranteeing optimal demodulation-band for the diagnostics of rotating machinery. A measured vibration signal from complex ...
Now showing items 1-20 of 21