Now showing items 13-24 of 220

  • Fatigue performance of distributed optical fiber sensors in reinforced concrete elements 

    Barrias, Antonio; Casas Rius, Joan Ramon; Villalba Herrero, Sergi (Elsevier, 2019-09)
    Article
    Restricted access - publisher's policy
    In this paper, the authors present the results of a laboratory test where two reinforced concrete beams were instrumented with Distributed Optical Fiber Sensors (DOFS) to allow the monitoring g of strain in four different ...
  • U-value time series analyses: Evaluating the feasibility of in-situ short-lasting IRT tests for heavy multi-leaf walls 

    Tejedor Herrán, Blanca; Casals Casanova, Miquel; Macarulla Martí, Marcel; Giretti, Alberto (2019-07-15)
    Article
    Restricted access - publisher's policy
    A gap in standardization of quantitative infrared thermography (IRT) directly leads to a lack of measurement pattern for determining in-situ U-values of heavy multi-leaf walls. Three groups of causal factors might influence ...
  • Special issue on the I International Congress on Water and Sustainability 26–27 June 2017, Terrassa, Barcelona, Spain : editorial 

    Amante García, Beatriz; Canals Casals, Lluc; Olmedo Torre, Noelia (Taylor & Francis, 2018-01-01)
    Article
    Open Access
  • On the exploitation of differential aerodynamic lift and drag as a means to control satellite formation flight 

    Traub, Constantin; Romano, Francesco; Binder, Tilman; García-Almiñana, Daniel; Rodríguez Donaire, Silvia; Sureda Anfres, Miquel (springer-Verlag, 2019-05-27)
    Article
    Restricted access - publisher's policy
    For a satellite formation to maintain its intended design despite present perturbations (formation keeping), to change the formation design (reconfiguration) or to perform a rendezvous maneuver, control forces need to be ...
  • Analysis of building maintenance requests using a text mining approach: building services evaluation 

    Bortolini, Rafaela; Forcada Matheu, Núria (2019-05-16)
    Article
    Restricted access - publisher's policy
    End users’ maintenance requests gathered from computerized maintenance management systems (CMMS) configure a rich source of information to evaluate the occupants’ satisfaction and the building systems. Nevertheless, the ...
  • Analysis of mobility patterns and intended use of shared mobility services in the Barcelona region 

    Gilibert Junyent, Mireia; Ribas Vila, Immaculada; Rodríguez Donaire, Silvia (2019)
    Conference report
    Open Access
    Social and economic trends have strongly changed in the last years due to the economic crisis and the evolution of technology. These factors have influenced a sharing revolution, also in the mobility sector motivated for ...
  • Reducing the environmental impact of textile industry by reusing residual salts and water: ECUVal system 

    Buscio Olivera, Valentina; López Grimau, Víctor; Álvarez del Castillo, María Dolores; Gutiérrez Bouzán, María Carmen (2019-04-25)
    Article
    Restricted access - publisher's policy
    The textile industry is one of the largest consumers of water in the world and its wastewater constitutes a serious problem when it is discharged without the proper treatment. Different techniques are being applied for ...
  • Reused second life batteries for aggregated demand response services 

    Canals Casals, Lluc; Barbero, Mattia; Corchero García, Cristina (2019-03-01)
    Article
    Restricted access - publisher's policy
    The electric vehicle is presented as an environmental friendly alternative to common vehicles and as the future of transportation. However, car manufacturers consider that electric vehicle batteries are not useful for ...
  • SOAR - Satellite for Orbital Aerodynamics Research 

    Crisp, Nicholas H.; Roberts, Peter C.E; Edmonson, Steve; García-Almiñana, Daniel; Rodríguez Donaire, Silvia; Sureda Anfres, Miquel (International Astronautical Federation, 2018)
    Conference report
    Restricted access - publisher's policy
    SOAR (Satellite for Orbital Aerodynamics Research) is a CubeSat mission designed to investigate the interaction betweendifferent materials and the atmospheric flow regime in Very Low Earth Orbits (VLEO) and to demonstrate ...
  • A simple gate drive for SiC MOSFET with switching transient improvement 

    Ghorbani, Hamidreza; Sala Caselles, Vicenç; Paredes Camacho, Alejandro; Romeral Martínez, José Luis (Institute of Electrical and Electronics Engineers (IEEE), 2017)
    Conference report
    Restricted access - publisher's policy
    This paper presents a new active gate drive for SiC MOSFETs switching. The proposed driver is based on feedforward control method. The switch is benefited from a simple and effective analog gate driver (GD). The main ...
  • Advances on the Inductive Plasma Thruster Design for an Atmosphere-Breathing EP System 

    Romano, Francesco; Herdrichd, Georg H.; Boxberger, Adam; Rodríguez Donaire, Silvia; García-Almiñana, Daniel; Sureda Anfres, Miquel (International Astronautical Federation, 2018)
    Conference report
    Restricted access - publisher's policy
    Challenging space mission scenarios include those in very low Earth orbits, where the atmosphere creates significant drag to the S/C and forces their orbit to an early decay. For drag compensation, propulsion systems are ...
  • A comparison of standardized calculation methods for in situ measurements of facades U-value 

    Gaspar Fàbregas, Kàtia; Casals Casanova, Miquel; Gangolells Solanellas, Marta (2016-10-15)
    Article
    Open Access
    In recent years, a growing concern has been how to determine the actual thermal behaviour of façades in their operational stage, in order to establish appropriate energy-saving measures. This paper aims at comparing ...