Now showing items 1-20 of 61

    • A comparative analysis of mathematical models for relating indoor and outdoor toxic gas concentrations in accidental releases 

      Montoya Rodríguez, María Isabel; Planas Cuchi, Eulàlia; Casal Fàbrega, Joaquim (2009-04)
      Article
      Restricted access - publisher's policy
      This paper surveys various models for estimating indoor concentration as a function of outdoor concentration in the event of an accidental release or chemical attack involving toxic substances. It is essential to know ...
    • A dispersion safety factor for LNG vapor clouds 

      Vílchez Sánchez, Juan Antonio; Villafañe, Diana; Casal Fàbrega, Joaquim (Elsevier, 2013)
      Article
      Restricted access - publisher's policy
      The growing importance of liquefied natural gas (LNG) to global energy demand has increased interest in the possible hazards associated with its storage and transportation. Concerning the event of an LNG spill, a study ...
    • A new procedure to estimate BLEVE overpressure 

      Hemmatian, Behrouz; Casal Fàbrega, Joaquim; Planas Cuchi, Eulàlia (2017-10-01)
      Article
      Open Access
      Several methodologies, based on different thermodynamic assumptions and requiring substance properties and thermodynamic data, have been proposed in the literature for the prediction of the mechanical energy released by a ...
    • A priori validation of CFD modelling of hydrocarbon pool fires 

      Rengel Darnaculleta, Francisco de Borja; Mata Miquel, Cristian; Pastor Ferrer, Elsa; Casal Fàbrega, Joaquim; Planas Cuchi, Eulàlia (2018-08-04)
      Article
      Restricted access - publisher's policy
      Fires can be an important hazard for the safety of chemical and process industries. Particularly, pool fires are the most frequent fire scenarios in such facilities and can affect other equipment of the plant with severe ...
    • A procedure for identifying environmental significant aspects in ports 

      Darbra Roman, Rosa Maria; Ronza, A; Casal Fàbrega, Joaquim; Stojanovic, T; Wooldridge, C (2005-03)
      Article
      Restricted access - publisher's policy
      Anewmethodologyhasbeendesignedtoidentifyandrankthesignificantenvironmentalaspectsinseaports.Themainobjective oftheStrategicOverviewofSignificantEnvironmentalAspects(SOSEA)istohelpportmanagerstoidentifysignificantenviron ...
    • A proposal of generic event trees and probabilities for the release of different types of hazardous materials 

      Vílchez Sánchez, Juan Antonio; Espejo, V.; Casal Fàbrega, Joaquim (Philippe Tanguy/Canadian Society for Chemical Engineering, 2009)
      Conference report
      Open Access
      Abstract: In quantitative risk analysis usually generic hypothesis concerning the loss of containment initiating events are applied, in order to simplify the analysis. For example, for the loss of containment from a ...
    • Accidental burning of a fuel layer on a waterbed: a scale analysis of the models predicting the pre-boilover time and tests to published data 

      Hristov, J; Planas Cuchi, Eulàlia; Arnaldos Viger, Josep; Casal Fàbrega, Joaquim (2004)
      Article
      Open Access
      The paper concerns the heat transfer models of liquid fuel bed burning on water sublayer. The main efforts are stressed on the qualitative assessment of models available and their adequacy as well as on the prediction of ...
    • Accidental impacts on historical and architectural heritage in port areas: the case of Brindisi 

      Martino, Antonello; Fatiguso, Fabio; De Tommasi, Giambattista; Casal Fàbrega, Joaquim (Taylor & Francis, 2017-01-01)
      Article
      Open Access
      Most port areas can produce impacts on the historical and architectural heritage, leading to rapid pathological effects and generating high risks in terms of damages and losses of historical, artistic, and cultural values. ...
    • Analysis of crater formation in buried NG pipelines: A survey based on past accidents and evaluation of domino effect 

      Ramírez Camacho, Jaime Giovanni; Pastor Ferrer, Elsa; Amaya Gómez, Rafael; Mata Miquel, Cristian; Muñoz Giraldo, Felipe; Casal Fàbrega, Joaquim (2019-03-01)
      Article
      Restricted access - publisher's policy
      The formation of a crater by the abrupt and catastrophic rupture of a high-pressure pipeline can be highly relevant, especially when the crater uncovers other pipelines, which could undergo a domino effect with a significant ...
    • Analysis of domino effect in pipelines 

      Ramírez Camacho, Jaime Giovanni; Pastor Ferrer, Elsa; Casal Fàbrega, Joaquim; Amaya Gomez, Rafael; Muñoz Giraldo, Felipe (2015-11-15)
      Article
      Open Access
      Parallel pipelines are frequently installed over long distances, due to the difficulty in creating or maintaining the required corridor. This implies that a release in one pipeline can seriously affect another one. The ...
    • Analysis of methodologies and uncertainties in the prediction of BLEVE blast 

      Hemmatian, Behrouz; Planas Cuchi, Eulàlia; Casal Fàbrega, Joaquim (2014)
      Article
      Open Access
      Even though BLEVEs have been studied by a number of authors, there are still significant gaps in their knowledge and in the prediction of their physical effects. Diverse methodologies have been proposed to calculate ...
    • Analysis of the boiling liquid expanding vapor explosion (BLEVE) of a liquefied natural gas road tanker: The Zarzalico accident 

      Planas Cuchi, Eulàlia; Pastor Ferrer, Elsa; Casal Fàbrega, Joaquim; Bonilla, J.M. (2015-03-01)
      Article
      Open Access
      The road accident of a tanker transporting liquefied natural gas (LNG) originated a fire and, finally, the BLEVE of the tank. This accident has been analyzed, both from the point of view of the emergency management and the ...
    • Analysis of the geometric and radiative characteristics of hydrocarbon pool-fires 

      Planas Cuchi, Eulàlia; Casal Fàbrega, Joaquim; Arnaldos Viger, Josep; Muñoz, Miguel Ángel (2004-08-01)
      Article
      Restricted access - publisher's policy
      The radiation intensity at a given distance depends mainly on the radiative power and the flame’s size and shape. Considerable literature describing both experimental and theoretical studies of thermal radiation from ...
    • Análisis del riesgo en instalaciones industriales 

      Casal Fàbrega, Joaquim (Edicions UPC, 1999)
      Book
      Restricted access to the UPC academic community
      La presente obra es una herramienta de utilidad para mejorar la seguridad de las instalaciones industriales y para calcular los efectos de los accidentes mayores sobre personas, bienes y entorno. Después de una introducción ...
    • Assessment of the shape of vertical jet fires 

      Palacios, Adriana; Casal Fàbrega, Joaquim (Elsevier, 2011)
      Article
      Restricted access - publisher's policy
      Experiments were carried out on relatively large vertical propane sonic and subsonic exit velocity jet fires (up to approximately 10 m in length and 1.5 m in width). The main geometrical features of jet fires (flame shape, ...
    • BLEVE -Fireball 

      Planas Cuchi, Eulàlia; Casal Fàbrega, Joaquim (WILEY-VCH Verlag GmbH & Co. KGaA, 2015)
      Part of book or chapter of book
      Restricted access - publisher's policy
      The BLEVE (boiling liquid expanding vapor explosion) can occur with almost any liquid contained in a closed vessel, at a temperature well above its boiling point at atmospheric pressure. If the vessel fails, the vapor will ...
    • BLEVE: The case of water and a historical survey 

      Hemmatian, Behrouz; Casal Fàbrega, Joaquim; Planas Cuchi, Eulàlia; Rashtchian, Davood (2019-01-01)
      Article
      Restricted access - publisher's policy
      After a short update of the current more accepted definition of BLEVE, the special features of water BLEVEs are analyzed. The stronger overpressure wave generated in the case of water as compared to that of other substances ...
    • Comparative analysis of BLEVE mechanical energy and overpressure modelling 

      Hemmatian, Behrouz; Planas Cuchi, Eulàlia; Casal Fàbrega, Joaquim (2017-02-01)
      Article
      Open Access
      The mechanical effects of a BLEVE are overpressure and ejection of fragments. Although fragments reach much longer distances, peak overpressure can be very strong over a certain area. Diverse authors have proposed methodologies ...
    • Conditional probabilities of post-release events for hazardous materials pipelines 

      Bubbico, Roberto; Carbone, F; Ramírez Camacho, Jaime Giovanni; Pastor Ferrer, Elsa; Casal Fàbrega, Joaquim (2016-11-01)
      Article
      Open Access
      Pipelines are commonly considered a safe alternative for the transportation of hazardous materials. However, in case of failure, pipelines still pose major risks to the environment and to the population potentially exposed. ...
    • Consequences of major accidents : assessing the number of injured people 

      Ronza, Andrea; Casal Fàbrega, Joaquim; Muñoz, Miguel Ángel; Carol Llopart, Sergi (Elsevier, 2005-10-28)
      Article
      Restricted access - publisher's policy
      Quantitative risk assessment studies of accident scenarios usually involve estimating the number of fatalities that can be expected. The number of people injured, however, is seldom evaluated because it implies significant ...