Browsing by Subject "Damping (Mechanics)"
Now showing items 1-20 of 39
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A study of the applicability of an in-situ method to characterise multiple resilient elements simultaneously
(Universitat Politècnica de Catalunya, 2021-06-22)
Bachelor thesis
Open AccessIn this project the validity of an in-situ method to evaluate resilient elements is verified for systems with more than one connection. Potential advantages of this method would be testing elements under more realistic and ... -
Application of dynamic vibration absorbers on a double-deck circular railway tunnel to minimize the radiated vibration energy flow induced by a moving load
(2017)
Conference report
Restricted access - publisher's policyThe aim of this study is to investigate the efficiency of Dynamic Vibration Absorbers (DVAs) as a vibration abatement solution for railway-induced vibrations in the framework of a double-deck circular railway tunnel ... -
Application of subsynchronous damping controller to static var compensator
(2015)
Conference report
Open AccessThis paper proposes a new auxiliary Subsynchronous Damping Controller (SSDC) for the Static Var Compensator (SVC) to damp out subsynchronous oscillations in power system containing series compensated transmission lines. ... -
Control of ground-borne underground railway-induced vibration from double-deck tunnel infrastructures by means of dynamic vibration absorbers
(2019-08-23)
Article
Open AccessThe aim of this study is to investigate the efficiency of Dynamic Vibration Absorbers (DVAs) as a vibration abatement solution for railway-induced vibrations in the framework of a doubledeck circular railway tunnel ... -
Design and additive manufacturing of architected materials with non-linear mechanical response
(Universitat Politècnica de Catalunya / University of California, Irvine, 2013)
Bachelor thesis
Restricted access - author's decision
Covenantee: University of California, IrvineMost structural systems are designed to operate in their elastic regime, resulting in a linear relationship between applied loads and resulting displacements. This behavior is easy to analyze but not necessarily optimal ... -
Design of a test stand for damping measurement
(Universitat Politècnica de Catalunya / Eidegenössische Technische Hochschule Zürich, 2008)
Master thesis (pre-Bologna period)
Restricted access - confidentiality agreement -
Development of a strategy to determine the internal damping coefficient in a rotating interference fit to verify stability in rotordynamics
(Universitat Politècnica de Catalunya / Technische Universität Berlin, 2013)
Bachelor thesis
Open Access
Covenantee: Technische Universität BerlinWhen rotors operate in a supercritical regime, a phenomenon known as rotordynamic instability may occur. This can be brought about by internal friction occurring both in the material and in the structural elements, and it ... -
Disseny d'un banc d'assaig per a amortidors
(Universitat Politècnica de Catalunya, 2017-09-13)
Master thesis
Open AccessL’objectiu d’aquest Treball de Fi de Màster és el disseny d’un banc d’assaig per obtenir les característiques força – desplaçament i força - velocitat d’amortidors convencionals d’automoció. La finalitat última d’aquest ... -
Disseny, fabricació i estudi del comportament d’un sistema d’amortiment per una bicicleta d’enduro
(Universitat Politècnica de Catalunya, 2024-06-25)
Bachelor thesis
Open AccessAquest treball de final de grau consisteix en el disseny, fabricació i estudi del comportament d’un sistema de suspensió per a bicicletes d’enduro. Pel que fa la part mecànica del treball, s’elaborarà un model virtual ... -
Effects of strain aging in NiTi SMA wire for dampers
(Elsevier, 2015)
Article
Open AccessThe thermo-mechanical properties of Shape Memory Alloys (SMA) as smart materials suggest their application as actuators, but also as dampers, thanks to the high damping properties during the hysteresis of the thermo-elastic ... -
Enhanced performance of SVC via using rotor speed deviation signal (RSDS)
(2015)
Conference report
Open AccessTransient stability enhancement through using a Static Var Compensator (SVC) and Rotor Speed Deviation Signal (RSDS) of synchronous machine are thoroughly investigated in this paper. Speed deviation signal of generator as ... -
Estudi de les vibracions i el soroll en el pas per les bandes reductores de velocitat
(Universitat Politècnica de Catalunya, 2011)
Master thesis (pre-Bologna period)
Open AccessAquest projecte tracte de l’anàlisi de les vibracions dels amortidors quan passen per sobre de bandes reductores de velocitat amb dos cotxes diferents, consta de un recull de dades amb un programa anomenat db Trail on hem ... -
Estudi del flux viscós a través d'un conducte anular excèntric
(Universitat Politècnica de Catalunya, 2019-05)
Bachelor thesis
Open AccessAquest treball sorgeix de la problemàtica associada a un altre projecte portat a terme al mateix LABSON , en aquell treball s’estudiava el comportament d’un pistó (un actuador lineal de simple efecte ) en un conducte anular. ... -
Estudio de reducción vibro-acústica en estructuras aeronáuticas
(Universitat Politècnica de Catalunya, 2018-09)
Master thesis
Restricted access - author's decision
Covenantee: SENEREn el siguiente documento se presenta un estudio de reducción vibro-acústica mediante la implementación de distribuciones óptimas de dispositivos DVA sobre estructuras complejas, ofreciendo un aumento considerable en el ... -
Estudio de un sistema de aislamiento de vibraciones mediante soportes elastoméricos: aplicación al caso de un edificio próximo a una línea de metro
(Universitat Politècnica de Catalunya, 2024-02-13)
Master thesis
Open AccessEs de general conocimiento que en ciudades densamente pobladas, como la ciudad de Barcelona, el transporte ferroviario es uno de los medios de transporte más eficientes para responder a la necesidad de movilidad de sus ... -
Estudio del amortiguador de disipación de energía para ascensor
(Universitat Politècnica de Catalunya, 2022-07-14)
Bachelor thesis
Restricted access - confidentiality agreement
Covenantee: Aplicaciones Electromecánicas GervallEste estudio pretende conocer el funcionamiento de un amortiguador de disipación de energía. Este producto hidráulico, también llamado buffer, es utilizado en el foso de los ascensores para amortiguar la caída libre de los ... -
Estudio y desarrollo de un Plan de Negocio. Reducción vibroacústica en estructuras aeronáuticas mediante la aplicación y optimización de sistemas DVA (Dynamic Vibration Absorber)
(Universitat Politècnica de Catalunya, 2018-09)
Master thesis
Restricted access - author's decision
Covenantee: SENEREn el siguiente documento se presenta el Plan de Negocio de un servicio de reducción vibro-acústica que estudia la implementación de distribuciones óptimas de dispositivos DVA sobre estructuras complejas, ofreciendo un ... -
Evaluation and control design of virtual-synchronous-machine-based STATCOM for grids with high penetration of renewable energy
(Institute of Electrical and Electronics Engineers (IEEE), 2014)
Conference report
Restricted access - publisher's policyBecause renewable energy sources are environment-friendly and inexhaustible, more and more said renewable energy power plants have been integrated into power grids worldwide. To compensate for their inherent variability, ... -
Experimental Laboratory Tests Study of foams for vibration dampening in snowboards Fatigue tests on Mahindra J101 motorbike
(Universitat Politècnica de Catalunya / Università degli Studi di Padova, 2013)
Bachelor thesis
Open Access
Covenantee: Università degli Studi di PadovaThis thesis is divided in two parts. The first part is a study comparing different foams and their future uses in the design of snowboards to dampen vibrations and shocks during snowboarding. The other part explains the ... -
Experimental study on the added mass and damping of a disk submerged in a partially fluid-filled tank with small radial confinement
(2014-07-16)
Article
Restricted access - publisher's policyThe dynamic response of submerged and confined disk-like structures is of interest in engineering applications, such as in hydraulic turbine runners. This response is difficult to be estimated with accuracy due to the ...