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Ara es mostren els items 60245-60264 de 244456
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Determination of the along-orbit average density of the thermospere
(Universitat Politècnica de Catalunya, 2020-09-14)
Treball Final de Grau
Accés obertNowadays, the study of the dynamics of the upper atmosphere has become a must in order to study satellite trajectories at low orbit with accuracy. The region we are interested in this project is the lower part of the ... -
Determination of the complete stress-strain response of concrete under uniaxial compression
(2021-09)
Article
Accés restringit per política de l'editorialThe characterization of the complete uniaxial compressive stress-strain curve of concrete is crucial for a more rational and reliable design of concrete structures. However, without intrinsic knowledge of the influence of ... -
Determination of the Confidence Interval for the ENOB of and ADC : tested with the IEEE 1057 Random Noise Test
(SARTI (Technological Development Centre of Remote Acquisition and Data processing Systems. Technical University of Catalonia (UPC)., 2005-10-01)
Article
Accés obert -
Determination of the correlation between turbulence intensity and acoustic noise level-two clockwise-turning rotors case
(Universitat Politècnica de Catalunya / Lodz University of Technology, 2011)
Projecte/Treball Final de Carrera
Accés obertThe aim of this project is to find the correlation between turbulence intensity and acoustic noise level. To achieve this aim a test was performed on the 5th of April 2012 in the acoustic laboratory of the Technical ... -
Determination of the critical conditions for the initiation of dynamic recrystallization in boron microalloyed steels
(2011-05-15)
Article
Accés restringit per política de l'editorialFrom the present research, the critical conditions associated with the onset of dynamic recrystallization (DRX) of hot deformed boron microalloyed steels were precisely determined based on changes in the strain hardening ... -
Determination of the critical parameters for the onset of dynamic recrystallization (DRX) in advanced ultrahigh strength steels (A-UHSS) microalloyed with boron
(2012)
Article
Accés obertIn this research work, the double differentiation mathematical method was used to identify more accurately the criti- cal stress ሺ ߪ ) and critical strain ሺ ߝ ) associated with the onset of dynamic ... -
Determination of the Elasticity Modulus of 3D-Printed Octet-Truss Structures for Use in Porous Prosthesis Implants
(Multidisciplinary Digital Publishing Institute (MDPI), 2018-11-29)
Article
Accés obertIn tissue engineering, scaffolds can be obtained by means of 3D printing. Different structures are used in order to reduce the stiffness of the solid material. The present article analyzes the mechanical behavior of ... -
Determination of the energy release rate function for an eccentrically notched center-loaded beam using elastic fracture analysis
(2017-04)
Article
Accés restringit per política de l'editorialThe center-loaded beam with an eccentric notch is a simple test setup for studying non-planar fracture, which is a common cracking mode in structural elements. This work presents a methodology for obtaining the relations ... -
Determination of the equilibrium formation constants of two U(VI)-peroxide complexes at alkaline pH
(2011)
Article
Accés obertThe formation of uranyl-peroxide complexes was studied at alkaline media by using UV-Visible spectrophotometry and the STAR code. Two different complexes were found at a H2O2/U(VI) ratio lower than 2. A graphical method ... -
Determination of the essential work of fracture at high strain rates
(2017)
Text en actes de congrés
Accés obertDuring the last decades, the use of ultra-high strength steel (UHSS) has increased as its favorable ratio between strength and mass allows the design of lighter body-in-white while maintaining passenger safety. Modeling ... -
Determination of the field-effect mobility and the density of states of a Thin-Film Transistor*
(Universitat Politècnica de Catalunya, 2014)
Treball d'assignatura
Accés obertIn this project we determined some basic parameters for characterizing an organic thin-film transistor (OTFT) one week after fabrication and compared them with the parameters right after fabrication, in particular the ... -
Determination of the force of the actuators and constraint forces in the inverse dynamic analysis of mechanisms
(Springer, 2010-08)
Article
Accés restringit per política de l'editorial -
Determination of the friction factors in potash mines
(2014-09-01)
Article
Accés obertThe friction factor is an essential parameter to take into account for modelling the ventilation system. One of the principal features that define the friction factor is the roughness, which not only does it have influence ... -
Determination of the fuel saving measures for motorcycles
(Universitat Politècnica de Catalunya / Technishe Universität Darmstadt, 2011)
Projecte/Treball Final de Carrera
Accés restringit per decisió de l'autorThe investigation of the consumption and emissions of vehicles has been intensified in the last years. The reasons are the limitation of fossil fuels and the increase of air pollution levels. The CO2 concentration in the ... -
Determination of the glass transition temperature: methods correlation and structural heterogeneity
(2009-12)
Article
Accés restringit per política de l'editorialThe definition of the glass transition temperature, Tg, is recalled and its experimental determination by various techniques is reviewed. The diversity of values of Tg obtained by the different methods is discussed, with ... -
Determination of the ground vibration attenuation law from a single blast: a particular case of trench blasting
(Science Press, 2021-10-01)
Article
Accés obertThe general transmissivity law of ground vibrations was studied, and a user-friendly methodology for determining the behavior of vibrations generated in any rock mass is proposed. The study was based on a single blast in ... -
Determination of the high strain rate forming properties of steel sheet
(CIMNE, 2011)
Text en actes de congrés
Accés obertThe strain rate dependence of the plastic yield and failure properties displayed by most metals affects energies, forces and forming limits involved in high speed forming processes. In this contribution a technique is ... -
Determination of the induction machine parameters from starting transient measurements
(Universitat Politècnica de Catalunya, 2013-07-26)
Tesi
Accés obertThis Thesis study the parameters estimation of the induction machine with the single-cage and doublecage models, using the stator currents, voltages and mechanical speed from a starting transient. The dynamic equations of ... -
Determination of the intrinsic fracture toughness from the COD analysis of indentation cracks in Spark Plasma Sintered 3Y-TZP reinforced with MWCNT
(2012)
Text en actes de congrés
Accés restringit per política de l'editorialEl método de la indentación para medir la tenacidad de fractura ha sido ampliamente utilizado en materiales frágiles debido a su sencillez y a que puede realizarse en volúmenes pequeños de material. Especialmente en estos ...