نتایج جستجو برای: fiber waviness

تعداد نتایج: 130610  

Journal: : 2023

The formation of waviness on the working surfaces bearing parts is associated with fluctuations in size cut layer metal and changes components cutting force. Laplace operators were used to model centerless grinding system based construction transfer function characteristic equation. It was found that depends position hodograph movement vector center part complex plane, which turn geometric para...

Journal: :Mechanical Systems and Signal Processing 2022

In rotordynamic simulations, rolling element bearing waviness is often accounted using nonlinear models that are solved with a numerical integration scheme in time domain. This approach generates accurate system response, but the method limited terms of computational efficiency. study proposes two novel methods for solution responses caused by excitation frequency domain, and compares result pr...

Journal: :journal of the structural engineering and geotechnics 0
n shamskia assistant professor, department of civil engineering, islamic azad university, qazvin branch, qazvin, iran

there is a worldwide interest in using fibers of different types in concrete mixtures. in this regard, as the use of pet fibers has gradually increased during the last decade, this study aims to investigate the effects of pet fibers on the mechanical properties of hardened concrete and the workability of fresh concrete. to this end, different contents of pet fibers (pc= %0, %0.5, %1 and %1.5) a...

Journal: :Advanced Functional Materials 2023

Capillary Wetting of Colloidal Monolayers In article number 2208402, Shin-Hyun Kim and co-workers study capillary wetting colloidal monolayers by a limited volume molten polymer, which enables the production complex wavy surfaces with controlled waviness. The directional metal deposition on 3D structures develops both plasmonic diffraction colors are otherwise difficult to achieve conventional ...

Journal: :Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering 2007

Journal: :TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C 1988

Journal: : 2021

Thin-walled parts are widely used in the aviation industry. It is mainly carried out with end mills and accompanied by self-oscillation during rough milling. They negatively affect quality of machined surface. Therefore, it important to model taking into account dynamics milling process predict accuracy. In early works authors, mechanism profile forming surface was determined. this case, identi...

Journal: :Journal of the Japan Society for Precision Engineering, Contributed Papers 2005

Journal: :Journal of the Japan Society for Precision Engineering, Contributed Papers 2005

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