Implementation and assessment of wall friction models for LWR core analysis
Sign Up to like & getrecommendations! Published in 2018 at "Annals of Nuclear Energy"
DOI: 10.1016/j.anucene.2018.02.022
Abstract: Abstract The modeling of frictional pressure drop in the nuclear thermal hydraulics subchannel code, CTF, is improved through the addition of three new modeling options. Two of the new models allow the code to account… read more here.
Keywords: implementation; analysis; friction; wall friction ... See more keywords
On the Inclusion of Temperature in the Friction Model of Industrial Robots
Sign Up to like & getrecommendations! Published in 2017 at "IFAC-PapersOnLine"
DOI: 10.1016/j.ifacol.2017.08.933
Abstract: Abstract This paper deals with a modelling technique that takes into account the effects of the temperature in the joint friction of industrial robot manipulators. In particular, it is shown that a general friction model… read more here.
Keywords: temperature; temperature friction; friction; inclusion temperature ... See more keywords
GPU-accelerated meshfree simulations for parameter identification of a friction model in metal machining
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Mechanical Sciences"
DOI: 10.1016/j.ijmecsci.2020.105571
Abstract: Abstract In the analysis of metal machining processes using meshless methods, friction is usually modeled (if at all) by Coulomb’s law with a prescribed constant coefficient. Experimental observations, however, show that the coefficient μ of… read more here.
Keywords: metal machining; gpu accelerated; friction; model ... See more keywords
Modeling and simulation of point contact multibody system dynamics based on the 2D LuGre friction model
Sign Up to like & getrecommendations! Published in 2021 at "Mechanism and Machine Theory"
DOI: 10.1016/j.mechmachtheory.2021.104244
Abstract: Abstract The main purpose of this paper is to present a modeling method and algorithm for point contact non-smooth multibody system based on the 2D LuGre friction model. Firstly, parameter identification of the LuGre friction… read more here.
Keywords: model; friction model; point contact;
Fluid hammer analysis with unsteady flow friction model in coiled tubing drilling
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2018.03.088
Abstract: Abstract Hydraulic vibrator is a useful tool to reduce the mechanical friction and increase the lateral-reach in coiled tubing drilling (CTD). This paper proposes an unsteady friction model to study the interaction between the fluid… read more here.
Keywords: fluid hammer; coiled tubing; friction; tubing drilling ... See more keywords
Theoretical and experimental approach to ball bearing frictional characteristics compared with cryogenic friction model and dry friction model
Sign Up to like & getrecommendations! Published in 2019 at "Mechanical Systems and Signal Processing"
DOI: 10.1016/j.ymssp.2019.01.056
Abstract: Abstract In previous studies on cryogenic ball bearings, a friction model of solid lubrication characteristics was employed with the assumption that the low dynamic viscosity of cryogenic fluids is negligible. A traction curve was then… read more here.
Keywords: friction model; friction; model; dry friction ... See more keywords
Rolling cylinder and static friction: model and experiments
Sign Up to like & getrecommendations! Published in 2020 at "European Journal of Physics"
DOI: 10.1088/1361-6404/abbedd
Abstract: We present an experiment in which we measure the static friction force necessary for a cylinder to roll without slipping on a horizontal surface. Additionally, we introduce an alternative formulation of the rolling condition, based… read more here.
Keywords: rolling cylinder; friction; static friction; cylinder static ... See more keywords
Validation of Friction Model Parameters Identified Using the IHB Method Using Finite Element Method
Sign Up to like & getrecommendations! Published in 2019 at "Shock and Vibration"
DOI: 10.1155/2019/3493052
Abstract: A hybrid friction model was recently developed by Azizian and Mureithi (2013) to simulate the friction behavior of tube-support interaction. However, identification and validation of the model parameters remains unresolved. In previous work, the friction… read more here.
Keywords: model parameters; friction; method; model ... See more keywords
Coupling Quasi-Two-Dimensional Friction Model and Discrete Vapor Cavity Model for Simulation of Transient Cavitating Flows in Pipeline Systems
Sign Up to like & getrecommendations! Published in 2020 at "Mathematical Problems in Engineering"
DOI: 10.1155/2020/8089308
Abstract: Accurate simulation of cavitating flows in pipeline systems is important for cost-effective surge protection. However, this is still a challenge due to the complex nature of the problem. This paper presents a numerical model that… read more here.
Keywords: pipeline; pipeline systems; model; cavitating flows ... See more keywords
The Use of Deep Learning Model for Effect Analysis of Conventional Friction Power Confinement
Sign Up to like & getrecommendations! Published in 2022 at "Computational and Mathematical Methods in Medicine"
DOI: 10.1155/2022/8733919
Abstract: Nonlinear friction could affect the high-precision motion system, resulting in poor tracking accuracy in the end. This is due to the fact that the Lugre friction model's parameter identification process comprises both static and dynamic… read more here.
Keywords: learning model; use deep; friction; deep learning ... See more keywords
The establishment and dynamic analysis of a new friction model of brake pair considering interface morphology and particles
Sign Up to like & getrecommendations! Published in 2022 at "Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science"
DOI: 10.1177/09544062211056024
Abstract: The disc brake works in an open environment in contact with the outside world. The particles will cause fluctuations in the friction coefficient of the brake. A friction model is established to reflect the morphology… read more here.
Keywords: morphology; friction; model; brake pair ... See more keywords