Zobrazeno 1 - 10
of 5 117
pro vyhledávání: '"Contact line"'
Publikováno v:
Омский научный вестник, Vol 3 (191), Pp 157-164 (2024)
This paper discusses a new method for measuring and calculating the angle of inclination of a railway support or a contact network support, using an unmanned aerial vehicle flying along a straight path, parallel to the railway track. A review of e
Externí odkaz:
https://doaj.org/article/d5c7edbb53234236989a3ff8c7b4a739
Publikováno v:
Tribology Online, Vol 19, Iss 4, Pp 308-315 (2024)
The dynamic wetting and dewetting of a water droplet on a hydrophobic solid surface with an equilibrium contact angle of approximately 100° was investigated using molecular kinetic (MK) theory to model the extension–contraction experiment and nume
Externí odkaz:
https://doaj.org/article/02c97bab0b204c3ebda935add924a49c
Autor:
Long Hoang
Publikováno v:
Advances in Sciences and Technology, Vol 18, Iss 4, Pp 347-354 (2024)
The theory of enveloping, which determines the envelope to a family of surfaces, the meshing equations of kinematics pairs, including pinion and gear, cutting toll and gear, is widely used in Mechanical Engineering. This paper presents a new envelope
Externí odkaz:
https://doaj.org/article/343039ae31cc4c9a9875ee93cb3952f9
Autor:
Dale R. Cusack, David K. Muchiri, James N. Hewett, Mathieu Sellier, Ben Kennedy, Miguel Moyers-Gonzalez
Publikováno v:
Applications in Engineering Science, Vol 20, Iss , Pp 100196- (2024)
In this study, we utilised computational fluid dynamics to investigate the behaviour of open-channel basaltic lava flows navigating bends on shield volcanoes. Our focus was on understanding the relationship between flow velocity, rheology, and bend g
Externí odkaz:
https://doaj.org/article/54f7caa655424b058ee878191f69d240
Autor:
Alireza Mohammad Karim
Publikováno v:
Fluids, Vol 9, Iss 10, p 223 (2024)
The physics of the moving contact line of an impacting droplet is widely applied in a variety of domains in rapidly advancing healthcare technology and medicine. The behavior of the dynamic contact line after impact of a biologically active droplet o
Externí odkaz:
https://doaj.org/article/401ca81918d846af97b9de3849d1f42c
Publikováno v:
Energies, Vol 17, Iss 17, p 4393 (2024)
This paper presents a novel approach to determining the ampacity of DC and AC railway overhead contact lines, considering both operational and design factors. The ampacity of contact lines is influenced by several design parameters, including materia
Externí odkaz:
https://doaj.org/article/8f46610f4d7e478baabef368760d1971
Autor:
Yoshitaka YAMASHITA, Koki SATO
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 90, Iss 932, Pp 23-00313-23-00313 (2024)
Overhead contact lines (OCLs) are subjected to longitudinal displacement due to factors such as temperature changes and external force. Excessive longitudinal displacement may prevent the tension balancers from performing their proper tension adjustm
Externí odkaz:
https://doaj.org/article/1ad37d93b89041b7b25662fe54820a09
Autor:
Tkach Pavlo, Reviakina Olga, Kryvosheia Anatolii, Melnyk Volodymyr, Ustynenko Oleksandr, Protasov Roman
Publikováno v:
Journal of Mechanical Engineering, Vol 73, Iss 2, Pp 181-192 (2023)
Based on the results obtained in the previous research, the values of meshing characteristics of profile shifted quasi-involute arc-tooth-trace gears is calculated. The influence of the values of profile shift coefficient and the angle of tooth trace
Externí odkaz:
https://doaj.org/article/9b6010fd7b6241e6aeb25adcef279156
Publikováno v:
Machines, Vol 12, Iss 8, p 514 (2024)
The high temperature generated by the DC pantograph-catenary arc of urban rail systems will aggravate the wear of the pantograph-catenary system. When the ablation intensifies, it will lead to disconnection accidents on the contact line. In this pape
Externí odkaz:
https://doaj.org/article/db2374c89a774cdd8086d205107f093f
Autor:
Wenjun Tan, Chuang Zhang, Ruiqian Wang, Yiwei Zhang, Lianchao Yang, Qin Chen, Feifei Wang, Yezhong Tang, Ning Xi, Lianqing Liu
Publikováno v:
Advanced Intelligent Systems, Vol 6, Iss 2, Pp n/a-n/a (2024)
The dynamic spreading mechanism of liquid on a specific surface is vital for understanding interface wetting and antifouling. Whereas, how to control the spreading process and accelerate the spreading speed is a major challenge. The rock‐climbing f
Externí odkaz:
https://doaj.org/article/34bc8ce023e4479e8a406dabcfaa436e