Ingeniería Civil y Mecánica

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    Implementación de los requisitos técnicos establecidos por la norma técnica ecuatoriana NTE INEN-ISO-IEC 17025- 2018 para ensayos de inflamabilidad en materiales textiles de acuerdo con la norma ASTM d6413 para los Laboratorios de la Carrera de Mecánica
    (Universidad Técnica de Ambato. Facultad de Ingeniería Civil y Mecánica, Carrera de Ingeniería Mecánica, 2023-09) Yunda Buñay, Fernando Efraín; Castro Miniguano, Christian Byron
    This technical project presents the need for the implementation of the technical requirements established in the Ecuadorian Technical Standard NTE INEN-ISO/IEC 17025-2018 because the Mechanical Research Laboratory for Vertical Flammability Tests on Textile Materials requires the documentation established in this standard to establish itself as a more reliable laboratory. For the preparation of documents, records and instructions, a thorough study of the NTE INEN-ISO/IEC 17025-2018 Standard was carried out, complying with the requirements established therein. In addition, vertical flammability tests were developed for 5 textile materials (Nomex, Antifluids, Denim, Die-cut Polyester and Cotton) in accordance with the parameters established in the ASTM D6413 Standard, where vertical flame resistance was measured by evaluating post-flame and postincandescence times. One of the main objectives of the project is the validation of the measurement method, which was carried out by means of the data obtained from the vertical flammability tests and the use of specialized software, obtaining a result of less than 30 percent, considered acceptable according to the criteria established by the AIAG. At the end of the project, both the documentation and the results of the method validation will be delivered to the Mechanical Research Laboratory LIM - UTA, where they will be used for the benefit of the Technical University of Ambato.
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    Reingeniería de la cámara de inflamabilidad vertical y aplicación de ensayos de resistencia a la flama de materiales de la industria textil para el Laboratorio de Investigación de Ingeniería Mecánica Lim UTA
    (Universidad Técnica de Ambato. Facultad de Ingeniería Civil y Mecánica, Carrera de Ingeniería Mecánica, 2022-09) Pérez Pallo, Diego Fabricio; Quinatoa Yaucan, Eduardo Santiago; Castro Miniguano, Christian Byron
    The present technical project was developed as a need to offer more services to the community, led by the LIM-UTA research laboratory. For the redesign, a recognition of the needs and parameters such as functionality, resistance and usefulness that make the flammability chamber an appropriate test bench for flame resistance tests in textile materials, was carried out, adhering to the ASTM D6413 standard. A methane combustion study is developed, later an analysis of the mass flow was carried out that allowed to know the losses by pipe and accessories in the installed pressure regulating train. Alternatives for the self-ignition control system and pressure regulating train parts were selected. The flame resistance tests were carried out using a textile material characteristic in the body industry, consequently a statistical analysis was made validating the test method (vertical test), finally the technical documentation of the vertical flammability test chamber was implemented in accordance with the Ecuadorian technical standard "NTE 17025".