Now showing items 1-15 of 15

    • A method for selective hornet Vespa Velutina baited traps using a compressed air cannon 

      Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (2019-05-28)
      Research report
      Open Access
      The efficiency and selectiveness of baited traps to control the invasive hornet Vespa velutina has been often questioned. Recent studies show that capture of Vespa velutina accounted for less than 1% of all captures, ...
    • Calculateur de jeux sous-redresseurs 

      Llatser Nieto, Gloria (Universitat Politècnica de Catalunya / École Centrale Lyon, 2013)
      Bachelor thesis
      Restricted access - author's decision
      Covenantee:   École centrale de Lyon
      Le sujet de ce stage concerne le compresseur haute pression d’un moteur de forte puissance (MFP), le GE90-115B. Le rôle d’un CoHP est d’élever la pression du flux d’air primaire en transformant l’énergie cinétique dû à la ...
    • Diseño de una turbina para un vehículo aéreo 

      Moufadal, Ismail (Universitat Politècnica de Catalunya, 2021-07-13)
      Bachelor thesis
      Open Access
      L'objectiu d'aquest projecte és fer el càlcul, disseny i simulació de la turbina d'etapa d'alta pressió d'un motor per a un vehicle aeri, el disseny de la turbina d'alta pressió s'enfoca principalment per a un avió comercial ...
    • Effects of Rotation on the Flow Structure in a Compressor Cascade 

      Ventosa Molina, Jordi; Koppe, Björn; Lange, Martin; Mailach, Ronald; Fröhlich, Jochen (2022-08-01)
      Article
      Restricted access - publisher's policy
      In turbomachines, rotors and stators differ by the rotation of the former. Hence, half of each stage is directly influenced by rotation effects. The influence of rotation on the flow structure and its impact on the performance ...
    • Effects of Rotation on the Flow Structure in a Compressor Cascade 

      Ventosa Molina, Jordi; Koppe, Björn; Lange, Martin; Mailach, Ronald; Fröhlich, Jochen (American Society of Mechanical Engineers (ASME), 2021)
      Conference report
      Restricted access - publisher's policy
      In turbomachines, rotors and stators differ by the rotation of the former. Hence, half of each stage is directly influenced by rotation effects. The influence of rotation on the flow structure and its impact on the performance ...
    • Estudi d'enginyeria inversa d'una turbomàquina 

      Camps Enrich, Alejandro (Universitat Politècnica de Catalunya, 2016-05)
      Bachelor thesis
      Restricted access - author's decision
    • Estudio teórico del Tunel de Cavitación y análisis del sistema de medición 

      Slemenson Mulé, Alejandro; Martí i Elias, Josep Mª (Universitat Politècnica de Catalunya / Universidad de Buenos Aires, 2014)
      Bachelor thesis
      Open Access
      El fenómeno de la cavitación es uno de los principales motivos del deterioro de las hélices o turbomáquinas (bomba axial en fluido incompresible) y, por ello, resulta un factor fundamental a tener en cuenta en el diseño ...
    • Estudio teórico del túnel de cavitación y análisis del sistema de medición 

      Martí i Elias, Josep Maria; Slemenson Mulé, Alejandro (Universitat Politècnica de Catalunya / Universidad de Buenos Aires, 2014)
      Bachelor thesis
      Open Access
      El fenómeno de la cavitación es uno de los principales motivos del deterioro de las hélices o turbomáquinas (bomba axial en fluido incompresible) y, por ello, resulta un factor fundamental a tener en cuenta en el diseño ...
    • Flipped learning and threshold concepts in the Turbomachinery section of Fluid Engineering course 

      Gámez Montero, Pedro Javier; Peña Carrera, Marta; Olmedo Torre, Noelia (2020-06-09)
      Article
      Open Access
      This paper outlines a practical intervention aiming to collect the effects of introducing flexible learning in engineering higher education. The work dis- cusses the implementation of the flipped classroom method and the ...
    • Influence of LPG injection on the performance and emissions of turbocharged diesel engine 

      Martinez Maresco, Roger (Universitat Politècnica de Catalunya / Univerza Ljubljani, 2009)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      Influence of the LPG injection on engine performance and emissions of turbocharged diesel engine was analyzed. LPG injection increases effective efficiency of the engine at high loads thereby also increasing emissions ...
    • Microturbina de generación eléctrica y calor 

      Espada García, David (Universitat Politècnica de Catalunya, 2013-06)
      Master thesis (pre-Bologna period)
      Open Access
      En el presente proyecto se lleva a cabo el diseño completo de la parte termodinámica y mecánica de un grupo de generación de electricidad mediante una turbo máquina. Se cubren las etapas de pre diseño, diseño unidimensional ...
    • On the detection of natural frequencies and mode shapes of submerged rotating disk-like structures from the casing 

      Presas Batlló, Alexandre; Valentín Ruiz, David; Egusquiza Estévez, Eduard; Valero Ferrando, Ma. del Carmen; Seidel, Ulrich (2015-08)
      Article
      Open Access
      To avoid resonance problems in rotating turbomachinery components such as impellers, it is of paramount importance to determine the natural frequencies of these parts when they are under operation. Nevertheless, most of ...
    • Proyecto de diseño y fabricación de una maqueta educativa del sistema de generación de una central hidroeléctrica con turbina tipo Pelton, utilizando técnicas de impresión 3D. 

      Domingo Lodeiro, Miguel (Universitat Politècnica de Catalunya, 2019-01)
      Bachelor thesis
      Restricted access - author's decision
      En este proyecto se pretende diseñar y fabricar una maqueta educativa de una central hidroeléctrica con una turbina tipo Pelton, utilizando técnicas de impresión 3D. En primer lugar, se estudia el estado del arte de las ...
    • Study of the modelling of the behaviour of a jet engine 

      Balado Ordax, Ramiro (Universitat Politècnica de Catalunya, 2021-04)
      Master thesis
      Open Access
      This thesis explores the necessities of simulators of the behaviour of turbomachinery and proposes an implementation of such a simulator. This simulator consists in the model of a turbojet, which is described and implemented, ...
    • Study: Algorithms for rocket engine thermochemistry 

      Fuster Jiménez, Caleb (Universitat Politècnica de Catalunya, 2021-05-18)
      Master thesis
      Open Access
      This thesis compiles the process of upgrading two libraries (INIST and HGS) which provide to their users the thermodynamics properties and algorithms needed to analyse liquid rocket engine feed cycles. First, the Thermodynamic ...