Results 21 to 30 of about 14,560 (264)
Effect of potato contact parameters on seed metering performance using discrete element method
Spanish Journal of Agricultural Research, 2022 Aim of study: To study the effect of potato surface with or without sandy loam soil on seed metering performance, we investigated the motion behaviour of the potato seed particles during the seed metering process using a self-designed across-bridge ...
Linrong Shi +5 more
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The calculation of kinetic and static friction coefficient and friction graph analysis using Arduino
Physics Education, 2020 Abstract In this study, with the help of the Arduino UNO and load-cell force sensor, a simple experimental material has been developed to calculate kinetic and static friction coefficients and analyse the friction force in detail. The system with a force sensor mounted on it is placed on the plane.
Atakan Çoban, Seher Boyacı
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Frictional Anisotropy of 3D-Printed Fault Surfaces
Frontiers in Earth Science, 2021 The surface morphology of faults controls the spatial anisotropy of their frictional properties and hence their mechanical stability. Such anisotropy is only rarely studied in seismology models of fault slip, although it might be paramount to understand ...
Tom Vincent-Dospital +6 more
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Static and kinetic friction of rapeseed
Research in Agricultural Engineering, 2007 he present paper examines the static and kinetic coefficient of friction of rapeseed. The project utilized two methods of determination of coefficient of friction of rapeseed: according Eurocode 1 (kinetic) in direct shear test and (static) in model silo.
R. Rusinek, M. Molenda
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Analysis of friction among grain particles in warehousebased on finite element method
Liang you shipin ke-ji, 2019 In order to investigate the stress distribution between grain particles and the distribution of relative static friction between grain particles and silo walls, the ideal elastic-plastic constitutive relationship and Drucker-prager yield criterion were ...
LIU Shi-jie, WANG Ge-ge, GUO Yang
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Measuring the Static Coefficient of Friction of Non-Fluid Contaminants [PDF]
Proceedings of the Human Factors and Ergonomics Society Annual Meeting, 2019 The purpose of our study was to evaluate whether there are differences between measuring the static coefficient of friction (SCOF) of a non-fluid contaminant when it is directly attached to a tribometer test foot, or “Attached”, versus when it is lying loose on the floor, or “Loose”. The non-fluid materials used in this study included Mylar, Cardboard,
Hunter DeBusk +3 more
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Calibration of discrete element simulation parameters for different kinds of rice grains
Shipin yu jixieObjectiveTo provide a theoretical reference for the optimal design of the polisher structure by comparing the differences in the contact parameters of different kinds of rice.MethodsUsing bench test and simulation test, and combining with MATLAB software
ZHU Linfeng +5 more
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High-Rate Laser Surface Texturing for Advanced Tribological Functionality
Lubricants, 2020 This article features with the enhancement of the static coefficient of friction by laser texturing the contact surfaces of tribological systems tested under dry friction conditions.
Jörg Schille +8 more
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Simulation Parameter Calibration and Test of Typical Pear Varieties Based on Discrete Element Method
Agronomy, 2022 To improve the accuracy of discrete element simulation parameters for the mechanized picking and collection of pears, the study calibrated the simulation parameters of pears by the method of combining a physical experiment and simulation.
Guiju Fan +4 more
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FEBS Letters, EarlyView.The Ile181Asn variant of human UDP‐xylose synthase (hUXS1), associated with a short‐stature genetic syndrome, has previously been reported as inactive. Our findings demonstrate that Ile181Asn‐hUXS1 retains catalytic activity similar to the wild‐type but exhibits reduced stability, a looser oligomeric state, and an increased tendency to precipitate ...
Tuo Li +2 more
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