Results 21 to 30 of about 10,671 (255)
Test Modes for Establishing the Tribological Profile under Slip-Rolling
Lubricants, 2020 The complex nature of slip-rolling contacts in many applications such as gear tooth flanks, rolling bearings, and heavy machinery often makes determining the friction and wear properties, as well as the fatigue resistance, of tribosystems difficult.
Gregor Patzer +4 more
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Regularities of Changes in the Motion Resistance of Wheeled Vehicles along a Curvilinear Trajectory
Machines, 2023 The value of the motion resistance is one of the important characteristics that determines the technical and operational properties of the vehicle, in particular its fuel economy under operating conditions.
Vasyl Mateichyk +5 more
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工程科学学报, 2019 The modern rolling industry has improved product quality, and the technical requirements of high accuracy and high dynamic performance have made the issue of rolling mill vibration more prominent.
Jin-lei HUANG, Yong ZANG, Zhi-ying GAO
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World Electric Vehicle Journal, 2023 This research investigated an alternate method for establishing the complex coefficients used in an electric vehicle’s mathematical energy consumption model. While other methods for creating electric vehicle energy models exist, it would be beneficial to have a rapid and inexpensive technique that remains accurate. Producing a mathematical energy model
Ryan Van Greunen, Christiaan Oosthuizen
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DEM investigation on characteristics of rolling resistance for modelling particle shape
EPJ Web of Conferences, 2017 To examine the capability of rolling resistance to model the effects of particle shape, two sets of samples, composed of binary clumped particles and circular particles with rolling resistance, are tested in DEM simulation.
Zhou Lunlun, Chu Xihua, Xu Yuanjie
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Research on Thickness Defect Control of Strip Head Based on GA-BP Rolling Force Preset Model
Metals, 2022 Due to the inaccuracy of the preset rolling force of cold rolling, there is a severe thickness defect in the strip head after cold rolling due to the flying gauge change (FGC), which affects the yield of the strip.
Luzhen Chen +5 more
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Nauka ta progres transportu, 2015 Purpose. The value of drive resistance to its movement is the main parameter at calculating the drive power of bridge crane. The value of the wheel rolling friction on the rails is one of the important parts of the resistance to movement. It is necessary
V. M. Bohomaz +3 more
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Tribological Characterization of Micro Ball Bearings with and without Solid-State Lubrication
Micromachines, 2023 The tribological characteristics of a below 1 mm micro ball bearing comprising steel disc and cages coated with thin copper and silver films were investigated. Electroplating and laser cutting were used to manufacture used elements. Friction was measured
Mateusz Jakub Samsel +4 more
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Determination of rolling resistance coefficient based on normal tyre stiffness
IOP Conference Series: Materials Science and Engineering, 2018 The purpose of the article is to develop analytical dependence of wheel rolling resistance coefficient based on the mathematical description of normal tyre stiffness. The article uses the methods of non-holonomic mechanics and plane section methods. The article shows that the abscissa of gravity center of tyre stiffness expansion by the length of the ...
S P Rykov +5 more
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Comparison of Achieved Rolling Resistance Values of Two Selected Tires on a Solid Surface
Applied Sciences, 2022 The article deals with measuring the rolling resistance of two tires Mitas TS04 6.00-16 6PR and Mitas TS05 10.0/75-15.3 10PR on a concrete surface. The measurement was performed in a soil test channel which had to be adjusted for the given purpose.
Milan Helexa +4 more
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