Now showing items 1-11 of 11

    • Atom Probe Tomography investigations on grain boundary segregation in polycrystalline Ti(C,N) and Zr(C,N) CVD coatings 

      El Azhari, Idriss; Barrirero, Jenifer; García, José; Soldera, Flavio; Llanes Pitarch, Luis Miguel; Mücklich, F. (2019-03-15)
      Article
      Open Access
      Atom Probe Tomography (APT) was used to obtain a direct evidence of chlor segregation and cobalt diffusion at the grain boundaries (GBs) of polycrystalline coatings deposited by moderate temperature chemical vapor deposition ...
    • Avaluació de sensors multiparamètrics per xarxa de distribució 

      Bonastre Farran, Laura (Universitat Politècnica de Catalunya, 2019-10-17)
      Bachelor thesis
      Restricted access - author's decision
      Covenantee:   Cetaqua
      Barcelona és una àrea metropolitana abastida per aigua de diversos orígens amb característiques físic-químiques diferents. Al llarg de la xarxa de distribució d’aigua potable és imprescindible la mesura del paràmetre de ...
    • Chlorine concentration modelling and supervision in water distribution systems 

      Pérez Magrané, Ramon; Martínez Torrents, Albert; Martínez del Álamo, Manuel; Grau Torrent, Sergi; Vinardell Magre, Laura; Tomàs Puig, Ricard; Martínez Lladó, Xavier; Jubany Güell, Irene (Multidisciplinary Digital Publishing Institute (MDPI), 2022-07-26)
      Article
      Open Access
      The quality of the drinking water distributed through the networks has become the main concern of most operators. This work focuses on one of the most important variables of the drinking water distribution networks (WDN) ...
    • Chlorine decay model calibration and comparison: application to a real water network 

      Nejjari Akhi-Elarab, Fatiha; Puig Cayuela, Vicenç; Pérez Magrané, Ramon; Quevedo Casín, Joseba Jokin; Cugueró Escofet, Miquel Àngel; Sanz Estapé, Gerard; Mirats Tur, Josep Maria (2013)
      Conference report
      Restricted access - publisher's policy
      This work presents a methodology to efficiently calibrate chlorine decay models. The calibration consists in estimating the unknown parameters by comparing the measured and simulated chlorine concentrations at the monitored ...
    • Effect of impregnation protocol in the metallic sites of Pt-Ag/activated carbon catalysts for water denitration 

      Aristizabal, A.; Contreras, Sandra; Jiménez Divins, Nuria; Llorca Piqué, Jordi; Medina Cabello, Francisco (2014-04-15)
      Article
      Restricted access - publisher's policy
      The influence of the Pt precursor and the impregnation protocol in the catalytic behavior of 3%Pt-1.5%Ag supported on activated carbon for water denitration in a continuous reactor was studied. Pt(NH3)(4)(NO3)(2) and H2PtCl6 ...
    • Estudi i disseny d'un algoritme de control de la qualitat de l'aigua en una xarxa de distribució d'aigua basat en aprenentatge per reforç 

      Call Ollé, Xavier (Universitat Politècnica de Catalunya, 2022-07-11)
      Bachelor thesis
      Open Access
      El clor és el desinfectant més popular a l’hora d’eliminar els bacteris a les xarxes de distribució d’aigua. La seva alta efectivitat i el seu baix preu fan que sigui el millor aliat per desinfectar la xarxa, però un ús ...
    • Estudio de distintos sistemas de cloración del agua potable 

      Echarddak Yahyaoui, Karima (Universitat Politècnica de Catalunya, 2018-05)
      Master thesis
      Restricted access - author's decision
      Actualmente se conocen diversos sistemas de desinfección de agua, pero la cloración es el más importante. Gracias a ella se asegurará que el consumidor reciba agua esencialmente saludable mediante la destrucción de los ...
    • Modelització del comportament del clor residual lliure d'un dipòsit d'aigua final d'una estació de tractament d'aigua potable 

      Calduch Cobos, Rubén (Universitat Politècnica de Catalunya, 2016-05)
      Master thesis
      Open Access
      This study aims to create a global model chlorination system that takes into account the main parameters interact during chlorination. To carry out this objective will use a technique of identifying the system in different ...
    • Prognosis of quality sensors in the Barcelona drinking water network 

      García Valverde, Diego; Creus Rodriguez, Ramon; Minoves Ruiz, Meritxell; Pardo, Xavier; Quevedo Casín, Joseba Jokin; Puig Cayuela, Vicenç (IEEE Press, 2016)
      Conference report
      Open Access
      One of the most important areas of the water utilities is the water quality management. This area is responsible of guaranteeing safety in the water supply to the citizens. The strategy to guarantee the safety is based on ...
    • Quality monitoring 

      Nejjari Akhi-Elarab, Fatiha; Pérez Magrané, Ramon; Puig Cayuela, Vicenç (Springer, 2017)
      Part of book or chapter of book
      Restricted access - publisher's policy
      This book presents a set of approaches for the real-time monitoring and control of drinking-water networks based on advanced information and communication technologies. It shows the reader how to achieve significant ...
    • Sliding-mode control for a three-phase shunt active power filter in natural frame 

      Guzmán Solà, Ramon; García de Vicuña Muñoz de la Nava, José Luis; Morales López, Javier; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Torres Martínez, Javier (2015)
      Conference report
      Restricted access - publisher's policy
      This paper presents an improved variable hysteresis-band current-control in natural frame for a three-phase shunt active power filter. The proposed control algorithm is based on three decoupled sliding-mode controllers ...