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Ali Anvari
Pág. 137 - 141
In this paper, by applying analytical method and using experimental method data, the effect of sliding velocity on friction coefficient for contact of copper with copper is investigated. Some equations for obtaining friction coefficient as a function of ...
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Hayder Al-Maliki, Gábor Kalácska
Pág. 303 - 308
The frictional behavior of (PA6 E and PETP) engineering polymers commonly used in the industry were investigated implying 3D surface topography due to Dielectric Barrier Discharge (DBD) source, atmospheric cold plasma surface treatment and compared to th...
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Younes Menni, Ali J. Chamkha, Chafika Zidani, Boumédiène Benyoucef
Pág. 100 - 112
A computational analysis has been conducted to investigate turbulent flow and convective thermal transfer characteristics in a two-dimensional horizontal rectangular section channel with a hot lower wall-mounted diamond-shaped baffle. The calculations ar...
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Jin-Fang Peng, Ming-Xue Shen and Zhen-Bing Cai
Tribological properties of nano diesel soot (DS) as an additive were investigated. Textures in linear radiating arrays were prepared on the surface of a spring-steel plate by laser radiation. The texture densities were 19.6%, 22.1%, and 44.2%, and the de...
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Ludovic Cassan, Hélène Roux, Pierre-André Garambois
Pág. 1 - 18
A friction model resulting from investigations into macro-roughness elements in fishways has been compared with a broad range of studies in the literature under very different bed configurations. In the context of flood modelling or aquatic habitats, the...
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Grzegorz Ilewicz and Edyta Ladyzynska-Kozdras
The surgical robots currently used in cardiac surgery are equipped with a remote center of motion (RCM) mechanism that enables the required spherical workspace. The dynamics model of the surgical robot?s RCM mechanism presented in this work includes a di...
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Baodong Ma, Quan Liu, Ziwei Jiang, Defu Che, Kehan Qiu and Xiangxiang Shang
Path planning is widely used in many domains, and it is crucial for the advancement of map navigation, autonomous driving, and robot path planning. However, existing path planning methods have certain limitations for complex field scenes with undulating ...
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Hamed Mehrabi, Richard (Chunhui) Yang and Baolin Wang
Stainless steels (SUS) and dual-phase (DP) steels have tension-compression asymmetry (TCA) in mechanical responses to full loading cycles. This phenomenon can significantly influence sheet metal forming of such metals, however, it is difficult to describ...
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Bin Jiang, Weiheng Li, Peiyi Zhao, Lili Fan and Meng Sun
In the milling process, the friction and wear of the tooth minor flank of the square shoulder milling cutter directly affects the machined surface quality and the cutter?s life. The friction of the minor flank of the cutter tooth presents a nonlinear dis...
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Chaoqun Li, Shuo Tang, Yi Li and Zihai Geng
To reduce the computational cost, the k-ω" role="presentation">???
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SST turbulence model with Rotation and Curvature correction (SST-RC) is modified to predict the drag of practical aerodynamic configurations mounted with drag-reducing riblet...
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Said M. Easa, Ahmed A. Lamri and Dejan Brkic
Numerous explicit approximations of the Colebrook equation have been developed and evaluated based on two criteria: prediction accuracy and computational efficiency. This paper introduces a new evaluation criterion based on the reliability of each equati...
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Tingting Zhang, Xiangfeng Guo, Julien Baroth and Daniel Dias
A rotation of the anisotropic soil fabric pattern is commonly observed in natural slopes with a tilted stratification. This study investigates the rotated anisotropy effects on slope reliability considering spatially varied soils. Karhunen?Loève expansio...
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Suresha Suraiah Palaiah, Hussain Basha, Gudala Janardhana Reddy and Mikhail A. Sheremet
The present research paper deals with the study of heat and mass transfer characteristics of steady viscous incompressible two-dimensional Maxwell fluid flow past a stretching sheet under the influence of magnetic field and the Soret effect. A well-known...
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Nhu Son Doan, Jungwon Huh, Van Ha Mac, Dongwook Kim and Kiseok Kwak
In the present study, the overall stability of typical Korean composite caisson breakwaters that were initially designed following the conventional deterministic approach is investigated using reliability approaches. Therefore, the sensitivity of critica...
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A. J. Chamkha, A. M. Rashad, E. R. EL-Zahar and Hamed A. EL-Mky
In the current framework, a model is constituted to explore the impacts of high suction and partial slip on Fe3O4–water nanoliquid flow over a porous moveable surface in a parallel free stream. The mechanisms of heat transfer ...
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Anna Maria Pellegrino and Leonardo Schippa
This paper refers to complex granular-fluid mixtures involved into geophysical flows, such as debris and hyper-concentrated flows. For such phenomena, the interstitial fluids play a role when they are in the viscous regime. Referring to experiments on gr...
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Michael Flouros, Peter Gloeckner, Markus Hirschmann, Matthias Martin, Francois Cottier and Dimitra Papailia
Rolling element bearings for aero engine applications have to withstand very challenging operating conditions because of the high thermal impact due to elevated rotational speeds and loads. The high rate of heat generation in the bearing has to be sustai...
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Michael Flouros, Peter Gloeckner, Markus Hirschmann, Matthias Martin, Francois Cottier and Dimitra Papailia
Rolling element bearings for aero engine applications have to withstand very challenging operating conditions because of the high thermal impact due to elevated rotational speeds and loads. The high rate of heat generation in the bearing has to be sustai...
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Jun Zheng, Hui Zhou, Binhua Gui, Quanshun Luo, Haixu Li and Qimin Wang
In this study, AlCrN coatings were deposited using modulated pulsed power magnetron sputtering (MPPMS) with different power pulse parameters by varying modulated pulsed power (MPP) charge voltages (350 to 550 V). The influence of power pulse parameters o...
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Jun Zheng, Hui Zhou, Binhua Gui, Quanshun Luo, Haixu Li and Qimin Wang
In this study, AlCrN coatings were deposited using modulated pulsed power magnetron sputtering (MPPMS) with different power pulse parameters by varying modulated pulsed power (MPP) charge voltages (350 to 550 V). The influence of power pulse parameters o...
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