3 research outputs found

    Bridging universities and industry through cleaner production activities. Experiences from the Cleaner Production Center at the University of Cienfuegos, Cuba

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    The involvement of universities is crucial to identify how Cleaner Production strategies are formed in practice so that companies integrate sustainability into their strategies. This paper discusses the experience of establishing and operating the Cleaner Production Center at the University of Cienfuegos. From 2008 to 2011, the University of Cienfuegos, the Free University of Brussels (Belgium) and the University of Leuven (Belgium) implemented a project, financially supported by the Flemish Interuniversity Council (Belgium) allowing establishing a Cleaner Production Center at the University of Cienfuegos. This first project was followed by a second University of Cienfuegos - University of Leuven one. So far, the collaboration allowed to establish a master program on Cleaner Production that constitutes a bridge between the university and the production and service sector, allowing to promote and implement cleaner production strategies. 34 master students graduated during two graduations and a third one is ongoing. Among the most important results of the master thesis were the yearly reduction of the emission of 60 000 t/a of carbon dioxide equivalent and of the electricity consumption by 400 MWh/a at a cement plant. Research activities on Cleaner Production were upgraded through the collaboration resulting in several publications in peer-reviewed journals with impact factor. This type of North-South cooperation aided establishing and developing the center, by transferring expertise and experience and by providing part of the necessary funding which is difficult to raise by developing economies. This case study offers an interesting practice example about developing academic (training, research) values on Cleaner Production

    Interacci贸n universidad-industria en la producci贸n m谩s limpia. El caso del centro de producci贸n m谩s limpia en la universidad de cienfuegos en cuba, un pa铆s en transici贸n.

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    Universities are key stakeholders in teaching, researching and supporting the implementation of cleaner production activities. This case study discusses the experience of establishing and operating the Cleaner Production Center at the University of Cienfuegos (Cuba). Establishing, starting-up and running the center during its first four years of activity was supported by two projects targeted to inter-university cooperation. The collaboration allowed to establish a master program on cleaner production which acts as a bridge between the university, and the production industry and the services sector in the province of Cienfuegos. Currently 32 students from the first two promotions graduated and the program of two other promotions is ongoing. The master thesis research works are defined improving the environmental performance of the companies or organizations the student originate from. This results in a measurable improvement of the air and surface water quality in Cienfuegos city. An estimated yearly reduction of the emission of 60,000 ton of carbon dioxide equivalents and of 400 MWh at a cement plant have been realized. Research activities currently target the pollution inventory of Cienfuegos, energy production from local biomass, and establishing indicators for sustainable development for Cienfuegos. The inter-university collaboration resulted in several publications in international peer reviewed journals. The successful inter-university North鈥揝outh collaboration between Cuba and Belgium, targeted at capacity building, transfer of experience and expertise, proved to be most crucial during these first years the center was active. It allowed generating the necessary funds which are often difficult to raise in developing countries. Therefore this is a unique case of building academic experience on cleaner production.Las universidades son partes interesadas clave en la ense帽anza, la investigaci贸n y el apoyo a la implementaci贸n de actividades de producci贸n m谩s limpia. Este estudio de caso analiza la experiencia de establecer y operar el Centro de Producci贸n m谩s Limpia en la Universidad de Cienfuegos (Cuba). El establecimiento, la puesta en marcha y el funcionamiento del centro durante sus primeros cuatro a帽os de actividad se apoyaron en dos proyectos orientados a la cooperaci贸n interuniversitaria. La colaboraci贸n permiti贸 establecer un programa maestro sobre producci贸n m谩s limpia que act煤a como un puente entre la universidad, la industria de producci贸n y el sector de servicios en la provincia de Cienfuegos. Actualmente, 32 estudiantes de las dos primeras promociones se graduaron y el programa de otras dos promociones est谩 en curso. Los trabajos de investigaci贸n de tesis de maestr铆a se definen mejorando el desempe帽o ambiental de las compa帽铆as u organizaciones de las que se originan los estudiantes. Esto resulta en una mejora medible de la calidad del aire y del agua superficial en la ciudad de Cienfuegos. Se ha realizado una reducci贸n anual estimada de la emisi贸n de 60,000 toneladas de equivalentes de di贸xido de carbono y de 400 MWh en una planta de cemento. Las actividades de investigaci贸n apuntan actualmente al inventario de contaminaci贸n de Cienfuegos, la producci贸n de energ铆a a partir de biomasa local y el establecimiento de indicadores para el desarrollo sostenible de Cienfuegos. La colaboraci贸n interuniversitaria dio lugar a varias publicaciones en revistas internacionales revisadas por pares. La exitosa colaboraci贸n interuniversitaria Norte-Sur entre Cuba y B茅lgica, enfocada en el desarrollo de capacidades, la transferencia de experiencia y experiencia, demostr贸 ser crucial durante estos primeros a帽os en que el centro estuvo activo. Permiti贸 generar los fondos necesarios que a menudo son dif铆ciles de recaudar en los pa铆ses en desarrollo. Por lo tanto, este es un caso 煤nico de construcci贸n de experiencia acad茅mica en producci贸n m谩s limpia

    Determinaci贸n del coeficiente de resistencia del camino mediante un m茅todo de remolque

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    Introduction: The fuel consumption of the ground vehicle transportations constitutes an important part in the total fuel consumption of the world. There are many factors related to this fuel consumption and several ways to study it. The drive cycles based on the mathematical modeling are tools to understand, to estimate and to predict the vehicle fuel consumption.Objective: Usually the simulating is most exact when the mathematical models are solved with the real profiles of way resistance coefficient. For that reason, the experimental determination of the coefficient of resistance of the road is the objective of this research.Methodology: 聽A trailer was designed and built and statically and, in order to know the features of the systems that are involved in the coefficient measuring process, a group of experiments of static and dynamic was conducted. Later, a road sector for validation was calibrated and then others road with variation in slope and road surface was studied.Results: This method is able to measure the way resistance coefficient that corresponding with road conditions of values of rolling resistance of 0,008 - 0,02 (made of asphalt or cement) and slopes of 0-12o.Conclusions: The results demonstrate that this method is accurate and precise for the determination of the way resistance coefficient.Introducci贸n: El transporte automotor terrestre es un importante contribuyente del consumo de combustible a nivel mundial. Existen muchos factores relacionados con este consumo y tambi茅n varias maneras de estudiarlo. Los ciclos de viaje basados en la modelaci贸n matem谩tica son herramientas probadas para comprender, estimar y pronosticar el consumo de combustible.Objetivo: Los modelos matem谩ticos que se solucionan con los perfiles reales de coeficiente de resistencia al camino por las v铆as por las cuales circulan los veh铆culos brindan los resultados m谩s exactos. Es por eso que la determinaci贸n experimental del coeficiente de resistencia del camino es el objetivo de la investigaci贸n.Metodolog铆a: Se dise帽a y construye un remolque, asimismo, se conducen experimentos de calibraci贸n est谩tica y din谩mica para conocer las cualidades de los sistemas que intervienen en la medici贸n. Posteriormente, se realizan ensayos en un sector de v铆a para la verificaci贸n y, a continuaci贸n, se efect煤an experimentos en carreteras de recubrimientos y pendientes variables.Resultados: Se establece el uso del instrumento para mediciones del coeficiente de resistencia al rodamiento en condiciones viales con valores del coeficiente de resistencia a la rodadura de 0,008-0,02 (recubrimientos viales con base de cemento o asfalto) y pendientes de 0-12o.Conclusiones: Los resultados demuestran que bajo este m茅todo se puede medir de manera precisa y exacta el coeficiente de resistencia del camino
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