Browsing by Research Group "Diseño y mecánica estructural"
Now showing items 21-40 of 51
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A general kinematic model for lubricated ball bearings based on the minimum energy hypothesis
(Elsevier, 2024)Accurately predicting the performance of lubricated rolling elements is critical for certain key bearing applications. A widely employed simulation technique is quasi-static models, which although computationally efficient ... -
Geometry optimisation of highly crowned gear couplings working in high misalignment applications to reduce tooth root stresses
(EDP Sciences, 2023)Crowned gear couplings are mechanical components used to transmit power between misaligned rotating shafts. Their geometry is characterised by a significant longitudinal crowning to accommodate angular misalignment. Recent ... -
Influence of Surface Finish and Porosity on the Fatigue behaviour of A356 Aluminium Casting Alloy
(EDP Sciences, 2018)In casting parts, due to the manufacturing process, the presence of defects such as porosity, inclusions and oxide films is unavoidable. All these irregularities have a negative effect on the component ... -
Influence of the velocity on quasi-static deflections of industrial articulated robots
(Springer, 2023)This article presents the measurement and analysis of the influence of velocity on the quasi-static deflections of industrial manipulators of three different manufacturers. Quasi-static deflection refers to the deflection ... -
Influence of thermal distortion on load distribution, transmission error and premature contact
(INSA, 2018)The influence of thermally-induced geometry distortions on representative gear parameters such as load distribution or transmission error is analysed. An analytical load distribution model is coupled to a thermal ... -
Influence of thermal distortion on spur gear tooth contact
(American Gear Manufacturers Association (AGMA), 2018)The reduction of component size and oil volume of current automotive and aeronautical transmissions along with the increasing input speed are pushing gear teeth bulk temperatures to their scuffing limit. Although new ... -
An Innovative Energy Harvesting Shock Absorber System for Motorbikes
(IEEE, 2022)This article presents an innovative energy recovery shock absorber system for motorcycles. The shock absorber is named synchronous pulley - energy harvesting shock absorber (SP-EHSA). The SP-EHSA is the first system ... -
Load distribution and tooth root stress of highly crowned spherical gear couplings working at high misalignment angles
(Elsevier, 2023)Spherical gear couplings are commonly used mechanical components to transmit power between highly misaligned rotating shafts. For that, gear couplings are manufactured with high longitudinal crowning and are usually small ... -
Mecanismo de ancho de vía variable para vehículo eléctrico urbano de tres ruedas
(UNED, 2018)Debido a las dimensiones de los vehículos actuales, la baja tasa de ocupación de los mismos y el aumento de la población mundial, los fabricantes de vehículos están desarrollando diseños compactos orientados a la movilidad ... -
Membrane-containing virus particles exhibits mechanics of a composite material for genome protection
(Royal Society of Chemistry, 2018)The protection of the viral genome during extracellular transport is an absolute requirement for virus survival and replication. In addition to the almost universal proteinaceous capsids, certain viruses add a membrane ... -
Modelizado bidimensional de engranajes cilíndricos por elementos finitos
(UNED, 2018)El análisis de la distribución de carga, rigidez y error de transmisión de engranajes cilíndricos es fundamental para predecir los efectos de la geometría del dentado sobre las vibraciones, resistencia y eficiencia. El uso ... -
Non-destructive experimental technique to determine ball contact load in rolling machine elements
(Elsevier, 2024)Rolling machine elements, such as ball bearings, ball screws, or guiding systems are commonly used in diverse industrial applications. These components typically assume uniform load distribution among the balls or rely on ... -
A numerical analysis of multiaxial fatigue in a butt weld specimen considering residual stresses
(EDP Sciences, 2018)Residual Stress (RS) pattern changes considerably depending on the width of the plates and the welding parameters, having effect on the fatigue strength. Most of the standards do not consider them and in some works, yield ... -
Numerical characterization of local and global non-uniformities in the load distribution in ball screws
(Springer, 2021)Load distribution in ball screws is a representation of the ball contact stress, and it is fundamental to understanding the behavior of these machine elements. This work aims to conduct a multi-variable analysis of the ... -
Numerical characterization study of pressure drop and heat transfer phenomena in woven wire matrix of a stirling engine regenerator
(Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2014)Stirling engines are an attractive alternative for micro-cogeneration mainly motivated for it is able to use any heat source and achieve high efficiency. A crucial component in these engines is the regenerator, which has ... -
Numerical Fretting© Wear Simulation of Deep Groove Ball Bearing Under Radial Variable Load
(Springer, 2022)Bearing has become one of the most widely used mechanical components over the world. Even this component has been extensively studied, there exist especial applications or untypical operating conditions that still must be ... -
Numerical methodology based on fluid-structure interaction to predict the residual stress distribution in glass tempering considering non-uniform cooling
(Elsevier, 2022)In this paper a novel numerical methodology for calculating non-uniform residual stress distributions during the glass tempering process is presented. Tempering techniques lead to non-uniform heat transfer rates causing ... -
Numerical study of the heat transfer in wound woven wire matrix of a Stirling regenerator
(Elsevier, 2014)Nusselt number correlation equations are numerically derived by characterizing the heat transfer phenomena through porous medium of both stacked and wound woven wire matrices of a Stirling engine regenerator over a specified ... -
Numerical study of the pressure drop phenomena in wound woven wire matrix of a Stirling regenerator
(Elsevier, 2013)Friction pressure drop correlation equations are derived from a numerical study by characterizing the pressure drop phenomena through porous medium of both types namely stacked and wound woven wire matrices of a Stirling ... -
Numerical-experimental analysis of highly crowned spherical gear couplings working at high misalignment angles
(Elsevier, 2023)Spherical gear couplings are characterized by their high capacity to transfer power between rotating shafts in highly misaligned conditions. They are usually small because of space restrictions and require a high amount ...