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Browsing by Autor "Laura Vega"

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    Battle of the Water Networks District Metered Areas
    (American Society of Civil Engineers, 2019) Juan Saldarriaga; Jessica Bohórquez; David Celeita; Laura Vega; D. Páez; Dragan Savić; Graeme C. Dandy; Yves Filion; Walter M. Grayman; Zoran Kapelan
    The Battle of Water Networks District Metered Areas (BWNDMA) was the latest of the Battle of Water Networks competition series held at the 18th Water Distribution Systems Analysis Conference (WDSA 2016) as part of ASCE’s Environmental and Water Resources Institute (EWRI) stand-alone conferences in Cartagena, Colombia in July 2016. In these competitions, the main objective was to address a specific problem related to water distribution systems (WDS) regarding how to optimize the design and operation of the system’s main components. This time, the competition was focused on the challenge of WDS network sectorization, that is, determination of the new district metered areas (DMAs) for an existing network. Design requirements involved constraints related to costs, pressure uniformity, and water quality. Changes in valve and pump operations were needed to supply demands at adequate pressures and acceptable water quality for the given supply scenarios: a wet season and a dry season with water shortages. Seven teams from different parts of the world participated in the BWNDMA and presented their solutions at a special session during the 18th WDSA. This article summarizes the BWNDMA teams’ approaches, outcomes, and learned lessons for solving the challenging stated problem. An analysis of some of the decisions that were taken is presented; for instance, some teams ignored the demand similarity criterion, the water age criterion, the pressure restrictions, or the constraints in the water rate that could be extracted from sources. The approaches developed in the BWNDMA represent the state-of-the-art with respect to the analysis of hydraulic conditions in DMAs of real-world water distribution networks for which it is mandatory to make efficient use of available water resources.
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    El consumo de plataformas móviles de transporte individual en jóvenes universitarios caso Colombia y México
    (Universidad Nacional Abierta y a Distancia, 2020) Laura Vega; Mónica Eugenia Peñalosa Otero; Diana María López Célis
    La economía colaborativa surge con el enfoque de ayuda mutua, pero este enfoque se profundiza en las relaciones de las empresas y personas a través de los avances tecnológicos. Por lo anterior, en la actualidad, la economía mundial está pasando por un proceso de reorganización en su cadena de valor, caracterizándose por el uso de tecnologías digitales que generan una transformación en el estilo de vida de los seres humanos, impactando en la economía y la sociedad.
 En el caso latinoamericano, los países que despuntan bajo este modelo económico son Brasil y México, seguidos de cerca por Perú y Argentina. Por su parte Colombia, se encuentra en pleno estado embrionario en materia de leyes, dado que no existe un marco legal estructurado lo cual ha llevado a una serie de situaciones de carácter económico y social que han llevado a encontrar los dos esquemas económicos.
 Esta investigación buscó determinar los hábitos de uso de las empresas de transporte urbano que operan bajo el esquema de economía colaborativa en Bogotá y México, en jóvenes universitarios. Se puede concluir que no existen diferencias significativas por ciudades, lo cual lleva a suponer que este tipo de servicio podría implementar estrategias de mercadeo de manera transversal para mejorar su competitividad con respecto al servicio de transporte tradicional.

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