Now showing items 1-16 of 16

    • Assessing the value of travel time reductions in (sub)urban freight transportation 

      Juanmartí Arimany, Jordi; Conesa Gago, Núria (Universitat Politècnica de Catalunya, 2018)
      Master thesis
      Open Access
      Covenantee:   Chalmers tekniska högskola
      Growing urbanization in the last years have caused concentration of people and economical activities in urban areas all around developed countries, causing high levels of traffic congestion in roads. Freight transportation ...
    • Detailed viscosity in glycol blends for improved spray velocity measurements 

      Rosell Bochaca, Sergi (Universitat Politècnica de Catalunya / Chalmers Tekniska Högskola, 2015)
      Master thesis
      Open Access
      Covenantee:   Chalmers tekniska högskola
      Knowledge and accurate prediction of physiochemical properties of liquid mixtures is of great importance for understanding intermolecular interactions—interactions which determine the macroscopic performance of liquid ...
    • Effective velocity of biomass particles in a fluidized bed reactor 

      Soriano Sánchez, Irene (Universitat Politècnica de Catalunya, 2019-03-18)
      Master thesis
      Restricted access - author's decision
      Covenantee:   Chalmers tekniska högskola
      The growing greenhouse gas emissions (GHG) in the EU areproduced mainly by the consumption of energy. For this reason, using more sustainable energysystemswill contribute to reduce these emissions and then help to mitigate ...
    • Energy saving in Spanish buildings. Two Catalonian case studies. 

      Ràfols Salvador, Milena (Universitat Politècnica de Catalunya, 2008-05)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   Chalmers tekniska högskola
      Aquest estudi ha estat realitzat a Chalmers University of Technology, Göteborg, Suècia, i s’engloba en el projecte d’àmbit europeu Pathways to Sustainable European Energy Systems que té per objectiu trobar camins (patwhays) ...
    • Exploring the effects of scaling up the use of alternative binders to reduce the climate impact from concrete 

      Escudero Carmona, Santiago-damián (Universitat Politècnica de Catalunya, 2019-03-18)
      Master thesis
      Open Access
      Covenantee:   Chalmers tekniska högskola
      This thesis explores the potential of using alternative bindersto replace cement clinkeron a European scale in order to reduce thecarbon dioxideemissions associated withconcrete/ cement. Numerous studies highlight the ...
    • Intregració de processos de membranes en la recuperació d'antioxidants de residus agroalimentaris 

      Soler Ferrer, Maria Rosa (Universitat Politècnica de Catalunya, 2019-07-03)
      Bachelor thesis
      Open Access
      Covenantee:   Chalmers tekniska högskola
      La indústria agroalimentària genera grans quantitats de residus (16 milions de tones) i la seva gestió és un problema que la comunitat científica està abordant. En entre ells, els residus de fruites i verdures suposen un ...
    • Microscopic modelling of the optical properties of 2D perovskites 

      Feldstein Bofill, David (Universitat Politècnica de Catalunya, 2020-06)
      Bachelor thesis
      12 months embargo
      Covenantee:   Chalmers tekniska högskola
      This work focuses on the optical properties of a quasi-two-dimensional perovskite. Using the quantum formalism based on the density matrix and the second quantization operators we obtain mathematical expressions for ...
    • Optimisation of tungsten ore processing through a deep mineralogical characterisation and the study of the crushing process 

      Bascompte Vaquero, Jordi (Universitat Politècnica de Catalunya, 2017-07)
      Bachelor thesis
      Open Access
      Covenantee:   Chalmers tekniska högskola
      The unstoppable increasing global demand for metals calls for an urgent development of more efficient extraction and processing methods in the mining industry. Comminution is responsible for nearly half of the energy ...
    • Path planning for autonomous buses based on optimal control 

      Rodríguez Alcázar, Alejandro (Universitat Politècnica de Catalunya, 2018)
      Master thesis
      Open Access
      Covenantee:   Chalmers tekniska högskola
      This thesis presents an algorithm to generate trajectories for an autonomous bus approaching a bus stop. The path planning algorithm is formulated as an Optimal Control Problem (OCP) which is solved by means of nonlinear ...
    • Power boosting for railway power systems with flywheel energy storage system 

      Cantero Gubert, Toni (Universitat Politècnica de Catalunya / Chalmers Tekniska Högskola, 2013)
      Bachelor thesis
      Open Access
      Covenantee:   Chalmers tekniska högskola
      The concept of energy storage is emerging as a solution to energy management, energy savings and performance improvement for power systems. From different technologies available, Flywheel Energy Storage Systems (FESS) are ...
    • Process stream data analysis: Data reconciliation and gross error detection for process integration studies 

      Murcia Mayo, Cristina (Universitat Politècnica de Catalunya / Chalmers University of Technology, 2014)
      UPC Master thesis
      Open Access
      Covenantee:   Chalmers tekniska högskola
      One of the major challenges for energy companies is to adapt their process plants to the continuous improvements of available technologies, so as to make their old plants as competitive and cost-efficient as the new ones. ...
    • Study of agile fixtures for aerospace industry 

      Rius Perez, Albert (Universitat Politècnica de Catalunya / Chalmers University of Technology, 2015-09)
      UPC Master thesis
      Restricted access - author's decision
      Covenantee:   Chalmers tekniska högskola
      Aircraft production lead-team reduction is considered essential to deal with the forecasted steep increase in demand for the forthcoming years. Consequently, automation has been considered crucial to achieve this goal but ...
    • The behavior of aerogel blankets as insulation material in external walls at high temperatures 

      Ciruela Pérez, Olaya (Universitat Politècnica de Catalunya / Chalmers Tekniska Högskola, 2011)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      Covenantee:   Chalmers tekniska högskola
      The aerogel blanket is a new material that has very low thermal conductivity that makes the material a good candidate for insulating of walls. In fact, nowadays aerogel blankets are used to improve the energy performance ...
    • Thermodynamic and experimental study of the fluoride recovery from Spent Pot Lining recycling process by precipitation of calcium fluoride 

      Mas Herrador, Anna (Universitat Politècnica de Catalunya, 2020-10-31)
      Master thesis
      Open Access
      Covenantee:   Chalmers tekniska högskola
      The material resulting from removing the electrolytic cell in primary aluminium production is called Spent Pot Lining (SPL). SPL is considered to be toxic due to its high concentration of fluorides and cyanides, corrosive ...
    • Turbulent boundary layer: comparison between a flat plate and a rotating disk with and without periodic roughness 

      Amor Pilon, José Mª (Universitat Politècnica de Catalunya / Chalmers Tekniska Högskola, 2015-09)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   Chalmers tekniska högskola
      In order to understand and predict the behavior of a flow around an object it is necessary to study the phenomenon present on the close-to-the-wall region of the flow, where the viscous forces cannot be neglected nor the ...
    • Why do developers struggle with documentation while excelling at programming 

      Fontanet Losquiño, Daniel; Urdell, Tomas (Universitat Politècnica de Catalunya / Chalmers University of Tecnology, 2014)
      Bachelor thesis
      Open Access
      Covenantee:   Chalmers tekniska högskola
      In software engineering, technical documentation is one of the activities that play an important role for the success of software projects. When developing software systems a lot of time is spent not only implementing ...