Zobrazeno 1 - 10
of 774
pro vyhledávání: '"wear model"'
Autor:
Mengjun Qin, Zhishun Yu, Baofu Wu, Jiayang Pang, Dengyun Jiang, Haiku Zhang, Jitao Liu, Hong Hua, Xiaobing Liu
Publikováno v:
Energy Science & Engineering, Vol 12, Iss 11, Pp 5031-5044 (2024)
Abstract The problem of sediment wear presents a significant challenge for hydraulic turbines operating in sediment‐rich rivers, particularly for high‐head Pelton turbines. In this study, the VOF model, SST k–ω model, and DPM model were employ
Externí odkaz:
https://doaj.org/article/45e86ceb9d5c4ebda3e6189f8af559c4
Publikováno v:
Chinese Journal of Mechanical Engineering, Vol 37, Iss 1, Pp 1-18 (2024)
Abstract To ensure an accurate selection of rolling guide shoe materials, an analysis of the intricate relationship between linear speed and wear is imperative. Finite element simulations and experimental measurements are employed to evaluate four di
Externí odkaz:
https://doaj.org/article/0b02cd67f03e4b6b89f05d9dc1b229d7
Publikováno v:
Chengshi guidao jiaotong yanjiu, Vol 27, Iss 6, Pp 64-67 (2024)
Objective Based on the measured data of the train wheelsets on Shanghai Metro Line 17, the wheelset wear pattern is studied, and a wear model of wheel rim thickness and wheel diameter is established to improve the safety and maintenance efficiency of
Externí odkaz:
https://doaj.org/article/c151dc016ad94f489395031bb9d25c57
Autor:
K. Y. Eayal Awwad, Khosro Fallahnezhad, B. F. Yousif, Ahmad Mostafa, Omar Alajarmeh, A. Shalwan, Xuesen Zeng
Publikováno v:
Friction, Vol 12, Iss 3, Pp 554-568 (2023)
Abstract The wear profile analysis, obtained by different tribometers, is essential to characterise the wear mechanisms. However, most of the available methods did not take the stress distribution over the wear profile in consideration, which causes
Externí odkaz:
https://doaj.org/article/50e4318c05464964859f71ad53a84be5
Publikováno v:
Lubricants, Vol 12, Iss 10, p 340 (2024)
The liner is a wear-prone component in ball mills, subject to continuous impacts, squeezing, and abrasion from the grinding media during operation. Its service performance directly affects the working efficiency of the ball mill. The service life of
Externí odkaz:
https://doaj.org/article/d04bc8b5432b4aba9ff4ed09a5a21f06
Publikováno v:
Friction, Vol 11, Iss 12, Pp 2278-2296 (2023)
Abstract This article aims at developing a computationally efficient framework to simulate the erosion of two contact surfaces in three-dimensional (3D), depending on the body resistance. The framework involves finite element (FE) resolution of a fre
Externí odkaz:
https://doaj.org/article/cf56f1dd91064e1bade8b883f55f5876
Publikováno v:
Magazine of Civil Engineering, Vol 17, Iss 01 (2024)
Rutting is the most common and most dangerous defect of asphalt pavements. One of the problems of northern countries such as the Russian Federation is abrasive rut due to studded tire loading. Precise prediction of the asphalt concrete abrasion and w
Externí odkaz:
https://doaj.org/article/a86ae5a719064d5cbf59ee011c8e8dc4
Publikováno v:
Industrial Lubrication and Tribology, 2023, Vol. 75, Issue 4, pp. 372-379.
Externí odkaz:
http://www.emeraldinsight.com/doi/10.1108/ILT-01-2023-0001
Publikováno v:
Industrial Lubrication and Tribology, 2022, Vol. 75, Issue 1, pp. 98-109.
Externí odkaz:
http://www.emeraldinsight.com/doi/10.1108/ILT-03-2022-0097
Autor:
Shunjun Hong, Xiaozhou Hu
Publikováno v:
Applied Sciences, Vol 14, Iss 13, p 5634 (2024)
The use of mining pumps to transport solid-liquid two-phase flows results in solid particles causing varying degrees of wear in the flow-passing components of the pump. In this study, a computational fluid dynamics analysis was performed employing SS
Externí odkaz:
https://doaj.org/article/181076da925f4de9bcd332874e7e501d