Listar Dpto. Ingeniería Mecánica, Energética y de Materiales - Mekanika, Energetika eta Materialen Ingeniaritza Saila por título
Mostrando ítems 29-48 de 99
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Design and mechanical properties analysis of AA5083 ultrafine grained cams
Salcedo Pérez, Daniel
; Luis Pérez, Carmelo ; Luri Irigoyen, Rodrigo ; Puertas Arbizu, Ignacio ; León Iriarte, Javier ; Fuertes Bonel, Juan Pablo (MDPI, 2017)
Artículo / Artikulua 
This present research work deals with the development of ultrafine grained cams obtained from previously ECAP (Equal Channel Angular Pressing)-processed material and manufactured by isothermal forging. The design and the ... -
Design and optimization of the dies for the isothermal forging of a cam
Salcedo Pérez, Daniel ; Luis Pérez, Carmelo ; Luri Irigoyen, Rodrigo ; León Iriarte, Javier ; Puertas Arbizu, Ignacio ; Fuertes Bonel, Juan Pablo (Elsevier, 2015)
Contribución a congreso / Biltzarrerako ekarpena
In the present study, the design of the dies required for the isothermal forging of a cam is analysed by finite volume method. Specifically, cams are of great importance in automotive industry, where a lower weight and ... -
Design of low-cost smart accelerometers
Carlosena García, Alfonso ; López Martín, Antonio ; Massarotto, Marco ; Cruz Blas, Carlos Aristóteles de la ; Lecumberri Villamediana, Pablo ; Gómez Fernández, Marisol ; Pintor Borobia, Jesús María ; Gárriz Sanz, Sergio (Universitat Politècnica de Catalunya, 2005)
Contribución a congreso / Biltzarrerako ekarpena
The goal of this project is to design a low-cost smart accelerometer, making use of a piezoelectric element as basic sensing material, and adding a mixed-mode conditioning circuit. -
Design, optimization, and mechanical property analysis of a submicrometric aluminium alloy connecting rod
Fuertes Bonel, Juan Pablo; León Iriarte, Javier ; Luis Pérez, Carmelo ; Salcedo Pérez, Daniel ; Puertas Arbizu, Ignacio ; Luri Irigoyen, Rodrigo (Hindawi, 2015)
Artículo / Artikulua
Ultrafine grained materials have a great deal of both scientific and technological interest because they allow outstanding properties to be obtained. An improvement in the mechanical strength and in the ductility and a ... -
Design, simulation and manufacturing of a connecting rod from ultra-fine grained material and isothermal forging
Fuertes Bonel, Juan Pablo; Luis Pérez, Carmelo ; Luri Irigoyen, Rodrigo ; Salcedo Pérez, Daniel ; León Iriarte, Javier ; Puertas Arbizu, Ignacio (Elsevier, 2016)
Artículo / Artikulua
In this research work, a study on the mechanical properties of isothermal forging for connecting rods is made from previously ECAP (Equal Channel Angular Pressing)-processed AA1050 and AA5083 aluminium alloys. This severe ... -
Determination of the symbolic base inertial parameters of planar mechanisms
Iriarte Goñi, Xabier ; Ros Ganuza, Javier ; Mata, Vicente; Aginaga García, Jokin (Elsevier, 2017)
Artículo / Artikulua
The inertial information of a planar mechanical system is characterised using 4 inertial parameters per solid. Due to the kinematic constraints, this parametrisation turns out be redundant. In order to reduce the ... -
Development and experimental validation of a computational model in order to simulate ice cube production in a thermoelectric ice maker
Rodríguez García, Antonio ; González Vian, José ; Astrain Ulibarrena, David (Elsevier, 2009)
Artículo / Artikulua
We have developed a computational model which allows the simulation of a thermoelectric device to make ice cubes in a vapor compression domestic fridge. This model solves both the thermoelectric and heat transfer equations, ... -
Development and experimental validation of a thermoelectric test bench for laboratory lessons
Rodríguez García, Antonio ; Astrain Ulibarrena, David ; Martínez Echeverri, Álvaro ; Aranguren Garacochea, Patricia ; Pérez Artieda, Miren Gurutze (OmniaScience, 2013)
Artículo / Artikulua
The refrigeration process reduces the temperature of a space or a given volume while the power generation process employs a source of thermal energy to generate electrical power. Because of the importance of these two ... -
Development of nanostructured AA3103 by equal channel angular pressing and thermal treatments
Luis Pérez, Carmelo; Luri Irigoyen, Rodrigo ; León Iriarte, Javier ; Puertas Arbizu, Ignacio ; Salcedo Pérez, Daniel ; Pérez Ruiz, Iván (Hindawi, 2014)
Artículo / Artikulua
This work presents a study related to the achievement of a nanometric structure in AA3103, employing severe plastic deformation processes (SPD), in this case equal channel angular pressing (ECAP). The changes in the ... -
Dynamic considerations of heel-strike impact in human gait
Ros Ganuza, Javier ; Font-Llagunes, Josep M.; Plaza Puértolas, Aitor ; Kövecses, József (Springer, 2015)
Artículo / Artikulua
Based on the impulsive-dynamics formulation, this article presents the analysis of different strategies to regulate the energy dissipation at the heel-strike event in the context of human locomotion. For this purpose, a ... -
ECAE, una tecnología de procesado emergente para producir propiedades relevantes en materiales metálicos
González Crespo, Pedro Antonio; Luis Pérez, Carmelo ; Garcés, Y. ; Gil Sevillano, Javier (CENIM, 2001)
Artículo / Artikulua
El objetivo del presente artículo es proyectar una visión de conjunto de la reciente técnica de procesado mecánico de materiales conocida como "extrusión en canal angular constante" (ECAE). Esta técnica es un método novedoso ... -
Effect of the temperature in the mechanical properties of austenite, ferrite and sigma phases of duplex stainless steels using hardness, microhardness and nanoindentation techniques
Argandoña Salinas, Gorka; Palacio, José F.; Berlanga Labari, Carlos ; Biezma Moraleda, María Victoria; Rivero Fuente, Pedro J. ; Peña, Julio; Rodríguez Trías, Rafael (MDPI, 2017)
Artículo / Artikulua
The aim of this work is to study the hardness of the ferrite, austenite and sigma phases of a UNS S32760 superduplex stainless steel submitted to different thermal treatments, thus leading to different percentages of the ... -
Environmental impact analysis of natural cork stopper manufacturing
(MDPI, 2022) Artículo / Artikulua
For both wine makers and customers, natural cork stoppers are a symbol of quality. More-over, they are essential for maintaining the organoleptic properties of bottled wines throughout their lifespan. This research relied ... -
Estudio de la oxidación a elevada temperatura de ocho aleaciones en atmósferas de combustión de biomasa
Berlanga Labari, Carlos ; Fernández Carrasquilla, Javier (CENIM, 2008)
Artículo / Artikulua
La combustión de biomasa, especialmente de paja de cereal, genera un ambiente muy corrosivo, particularmente, cerca de los tubos sobrecalentadores. El cloro es el principal agente corrosivo en las plantas de biomasa. Este ... -
Estudio de una fundición de grafito laminar mediante mecánica de la fractura
Fernández Carrasquilla, Javier; Ríos, Ricardo (CENIM, 1999)
Artículo / Artikulua
Se estudia la tenacidad a la fractura de una fundición de grafito laminar con diferentes matrices y tamaños de celdilla eutéctica. También se estudian las propiedades de tracción, dureza y tenacidad al impacto. Los resultados ... -
Estudio de una fundición nodular mediante mecánica de la fractura
Fernández Carrasquilla, Javier; Ríos, Ricardo (Consejo Superior de Investigaciones Científicas (CSIC), 1999)
Artículo / Artikulua
Se estudia la tenacidad a la fractura de fundiciones de grafito nodular con diferentes matrices y tamaños de celdilla eutéctica. También se estudian las propiedades de tracción, dureza y tenacidad al impacto. Los ... -
Estudio y optimización de los sistemas de intercambio de calor en generación termoeléctrica aplicada al aprovechamiento del calor residual
Aranguren Garacochea, Patricia (2015)
Tesis doctoral / Doktoretza tesia
La presente tesis doctoral estudia el aprovechamiento del calor residual mediante generación termoeléctrica para la obtención de potencia eléctrica generada gracias al efecto Seebeck. Dos son las aproximaciones empleadas, ... -
Experimental and computational study on thermoelectric generators using thermosyphons with phase change as heat exchangers
Araiz Vega, Miguel ; Martínez Echeverri, Álvaro ; Astrain Ulibarrena, David ; Aranguren Garacochea, Patricia (Elsevier, 2017)
Artículo / Artikulua
An important issue in thermoelectric generators is the thermal design of the heat exchangers since it can improve their performance by increasing the heat absorbed or dissipated by the thermoelectric modules. Due to its ... -
Experimental bench for hemodynamic study of coronary artery with serial stenoses: fractional flow reserve assessment
Coppel, R.; Gómez, A. L.; Finet, G.; Malvè, Mauro ; Pettigrew, R. I. (Taylor & Francis, 2017)
Artículo / Artikulua
The aim of this study was to develop an experimental hemodynamic bench to elucidate the influences of such geometrical parameters on the FFR assessment. As a first approach, the present work was focused on the influence ... -
Experimental investigation of the applicability of a thermoelectric generator to recover waste heat from a combustion chamber
Aranguren Garacochea, Patricia ; Astrain Ulibarrena, David ; Rodríguez García, Antonio ; Martínez Echeverri, Álvaro (Elsevier, 2015)
Artículo / Artikulua
A thermoelectric generator prototype has been built; it produces 21.56 W of net power, the produced thermoelectric power minus the consumption of the auxiliary equipment, using an area of 0.25 m2 (approximately 100 W/m2). ...
