Ante el reto que representa para las empresas de la ciudad de Cúcuta (Colombia) implementar un Sistema de Gestión de Calidad (SGC) que les permita ofrecer servicios de calidad, garantizando su sostenibilidad y rentabilidad, el presente trabajo tiene por objeto evaluar el impacto que ha tenido la certificación ISO 9001 para las empresas de la región. Para efectos metodológicos se emplea un instrumento validado el cual se aplica sobre 71 empresas. Los resultados cuantitativos, analizados mediante estadística descriptiva, revelan que 23 de los 24 criterios evaluados se cumplen en más del 95% de las empresas analizadas, siendo la mejora continua el factor de mayor impacto; mientras que el 13% de estas revelan que no se han generado proyectos de innovación y desarrollo tras la implementación de un SGC. Factores de éxito de la certificación ISO 9001 en empresas de Cúcuta y su Área MetropolitanaKeywords: quality management system, impact, ISO 9001 certification.Given the challenge companies based in Cúcuta face when implementing a Quality Management System (QMS) which enables them to offer quality services, ensuring their sustainability and profitability, this paper aims to assess the impact of ISO 9001 certification on companies in the region. For methodological purposes, a validated instrument was administered to 71 companies. The quantitative results, analyzed through descriptive statistics, show that 23 out of the 24 criteria assessed are met in more than 95% of the companies analyzed, with continuous improvement being the factor with the greatest impact; while 13% of these companies reveal that innovation and development projects have not been generated after implementing a QMS. Success factors of ISO 9001 certification in companies based in Cúcuta and its metropolitan areaPalavras-chave: sistema de gestão da qualidade, impacto, certificação ISSO 9001.Dado o desafio que representa para as empresas na cidade de Cúcuta (Colômbia) implementar um Sistema de Gestão da Qualidade (SGQ) que lhes permita oferecer serviços de qualidade, garantindo sus sustentabilidade e rentabilidade. Este trabalho tem como objetivo avaliar o impacto tem tido a certificação ISSO 9001 para as empresas da região. Para fins metodológicos utilizou-se um instrumento validado que foi aplicado em 71 empresas. Os resultados quantitativos analisados por estatística descritiva, revelam que 23 dos 24 critérios avaliados são atendidos em mais de 95% das empresas analisadas, sendo a melhoria continua o fator de maior impacto; enquanto o 13% delas revelam que projetos de inovação e desenvolvimento não foram gerados após a implementação de um SGQ. Fatores de sucesso da certificação ISO 9001 nas empresas de Cúcuta e sua região metropolitana
In the present study, the implementation of multi-blade profiles in a Savonius rotor was evaluated in order to increase the pressure in the blade’s intrados and, thus, decrease motion resistance. The geometric proportions of the secondary element were determined, which maximized the rotor’s performance. For this, the response surface methodology was used through a full factorial experimental design and a face-centered central composite design, consisting of three factors, each with three levels. The response variable that was sought to be maximized was the power coefficient (CP), which was obtained through the numerical simulation of the geometric configurations resulting from the different treatments. All geometries were studied under the same parameters and computational fluid dynamics models through the ANSYS Fluent software. The results obtained through both experimental designs showed a difference of only 1.06% in the performance estimates using the regression model and 3.41% when simulating the optimal proportions geometries. The optimized geometry was characterized by a CP of 0.2948, which constitutes an increase of 10.8% in its performance compared to the profile without secondary elements and of 51.2% compared to the conventional semicircular profile. The numerical results were contrasted with experimental data obtained using a wind tunnel, revealing a good degree of fit.
In this work, a vibration based damage identification technique (VBDIT) is used to determine the presence of damages in metallic structures, using the undamaged structure information as reference. A complex structure is used in order to contrast the results obtained with those reported for techniques previously employed specially on single beam simulated structures. A finite element model of the structure is developed and validated as a support tool for the study. Theoretical and experimental modal analysis techniques were used as the main tool for damage identification.
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