Browsing by Author "Guardo Zabaleta, Alfredo de Jesús"
Now showing items 21-33 of 33
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Numerical and experimental analysis of the dynamic response of large submerged trash-racks
Huang, Xingxing; Valero Ferrando, Ma. del Carmen; Egusquiza Estévez, Eduard; Presas Batlló, Alexandre; Guardo Zabaleta, Alfredo de Jesús (2013-01-30)
Article
Restricted access - publisher's policyThis paper investigates the effect of water in the dynamic response of large trash-racks used in hydropower plants. These are large structures that are fully submerged in water and located in the hydraulic circuits to ... -
Numerical and experimental analysis of the dynamic response of large submerged trash-racks
Huang, Xingxing; Valero Ferrando, Ma. del Carmen; Egusquiza Estévez, Eduard; Presas Batlló, Alexandre; Guardo Zabaleta, Alfredo de Jesús (2013)
Article
Restricted access - publisher's policyThis paper investigates the effect of water in the dynamic response of large trash-racks used in hydropower plants. These are large structures that are fully submerged in water and located in the hydraulic circuits to ... -
Numerical study of the fluid – structure interaction in the diffuser passage of a centrifugal pump
Fontanals García, Alfred; Guardo Zabaleta, Alfredo de Jesús; Coussirat, Miguel; Egusquiza Estévez, Eduard (CIMNE, 2011)
Conference report
Open AccessReliable design of turbomachinery is a complex task. In order to gain overall efficiency in the machine performance, designers may have to reduce the gap between the impeller and the diffuser, forcing them to be as closely ... -
Numerical study of the fluid-structure interaction in the diffuser passage of a centrifugal pump
Fontanals García, Alfred; Guardo Zabaleta, Alfredo de Jesús; Coussirat Núñez, Miguel Gustavo; Egusquiza Estévez, Eduard (Centro Internacional de Métodos Numéricos en Ingeniería (CIMNE), 2011)
Conference report
Open AccessReliable design of turbomachinery is a complex task. In order to gain overall efficiency in the machine performance, designers may have to reduce the gap between the impeller and the diffuser, forcing them to be as closely ... -
Optimización de un banco de ensayos de cavitación mediante fluidodinámica computacional
Moll, Flavio; Manuele, Diego; Coussirat Núñez, Miguel Gustavo; Cappa, E. Franco; Gandolfo, Ernesto; Guardo Zabaleta, Alfredo de Jesús; Fontanals García, Alfred (2012)
Article
Open AccessLos flujos cavitantes se corresponden a una estructura bifásica (líquido-vapor) cuando la presión del líquido disminuye hasta su presión de vapor, pv. La aparición y el posterior colapso de cavidades de vapor cerca de ... -
Preliminary results on the assessment of using Venetian blinds as a solar thermal collector in double skin facades in Mediterranean climates
Guardo Zabaleta, Alfredo de Jesús; Egusquiza Montagut, Mònica; Egusquiza Estévez, Eduard; Alavedra Ribot, Pere (2015)
Conference report
Open AccessThe global trend on energy integration and building efficiency is making both researchers and developers look for technical solutions to use façade surfaces for electricity and/or domestic hot water production. These ... -
REEhabilitant El Raval. Propuestas de autogestión en rehabilitación energética de hogares vulnerables
Guardo Zabaleta, Alfredo de Jesús (2021-07-06)
Audiovisual
Open AccessPresentación a cargo de Alfredo Guardo Zabaleta, Doctor en Enginyeria Química, Mecànica de Fluids, UPC -
Simulation of hot stamping processes
Riera Colom, María Dolores; Coussirat Núñez, Miguel Gustavo; Guardo Zabaleta, Alfredo de Jesús; Valls, I; Casellas Padró, Daniel (Grips' Media Gmbh, 2008)
Conference report
Restricted access - publisher's policyHot stamping is a thermo-mechanical technique that enables to give to a metallic blank the desired geometry and properties in a single step, where deformation at high temperature, phase transformations and heat transfer ... -
Sound absorbing and insulating low-cost panels from end-of-life household materials for the development of vulnerable contexts in circular economy perspective
Neri, Manuela; Levi, Elisa; Cuerva Contreras, Eva; Pardo Bosch, Francesc; Guardo Zabaleta, Alfredo de Jesús; Pujadas Álvarez, Pablo (Multidisciplinary Digital Publishing Institute, 2021-06-09)
Article
Open AccessFrom a construction point of view, neighborhoods with residents living at or below the poverty threshold are characterized by low energy efficiency buildings, in which people live in acoustic discomfort with no viable ... -
Sustainable and low-cost solutions for thermal and acoustic refurbishment of old buildings
Neri, Manuela; Levi, Elisa; Piana, Edoardo Alessio; Pujadas Álvarez, Pablo; Cuerva Contreras, Eva; Guardo Zabaleta, Alfredo de Jesús; Pilotelli, Mariagrazia (Institute of Physics (IOP), 2021-04-01)
Article
Open AccessThis paper investigates the possibility to realize solutions for buildings thermal and acoustic refurbishment by using end-of-life household materials, such as cardboard, clothes, and egg-boxes. These solutions can be ... -
Thermal performance of ventilated double skin façades with Venetian blinds
Parra Porcar, Jordi; Guardo Zabaleta, Alfredo de Jesús; Egusquiza Estévez, Eduard; Alavedra Ribot, Pere (2015-05-27)
Article
Open Access -
Using CFD to estimate external mass transfer coefficients and intra-particle diffusional effects on the supercritical hydrogenation of sunflower oil
Guardo Zabaleta, Alfredo de Jesús; Ramírez Rangel, Eliana; Larrayoz Iriarte, María Angeles; Recasens Baxarías, Francisco Javier (Bentham Science Publishers, 2012-09-02)
Part of book or chapter of book
Restricted access - publisher's policyHydrogenation of vegetable oils is an important process in the food industry because of its widespread application to produce margarines, shortenings, and other food components. Supercritical technology has proven to be ... -
Wall-to-fluid heat transfer in a catalytic reactor at supercritical conditions
Mekala, Samuel Jedidiah; Guardo Zabaleta, Alfredo de Jesús; Larrayoz Iriarte, María Angeles (2015)
Conference report
Open AccessComputational fluid dynamics (CFD) studies can be used for improving the understanding of fluid flow and heat transfer in packed bed systems. The objective of this work was to study the heat effects in packed bed reactor ...