Equations to determine energy losses in sudden and gradual change of direction

J. J. Villegas-León, A. A. López-Lambraño, J. G. Morales-Nava, M. Pliego-Díaz, C. Fuentes, A. López-Ramos

    Producción científica: Capítulo del libro/informe/acta de congresoPonencia publicada en las memorias del evento con ISBNrevisión exhaustiva

    1 Cita (Scopus)


    Equations to estimate the K coefficient have been obtained for devices of change direction of ducts under forced regime. For this approach, a state of art was carried out where it was noticed that the traditionally utilized methods that evaluate the losses of the devices needed tables and/or graphics when estimating the K coefficient, which is singular to each accessory. Each theory was analyzed and classified accordingly to each piece whenever these are present in sudden or gradual conditions. The data was homogenized with the purpose to obtain average curves values of the coefficient. The results were used as data in methods of multiple linear regressions until obtain a representative equation for each case studied. These equations have the advantage of being reliable to determine the loss of K coefficient without having to manipulate tables and graphics; this allows saving time when designing and testing the hydraulic behavior in forced ducts. Finally, these equations can be implemented in advanced computational algorithms which will allow the analysis and modeling of the losses caused by friction in different scenarios.

    Idioma originalInglés
    Título de la publicación alojadaRecent Advances in Fluid Dynamics with Environmental Applications
    EditoresLeonardo Di G. Sigalotti, Abraham Medina, Abel López, Jaime Klapp, Gerardo Ruiz-Chavarría
    EditorialKluwer Academic Publishers
    Número de páginas11
    ISBN (versión impresa)9783319279640
    EstadoPublicada - 2016
    Evento1st Conference on Spring School Enzo Levi, 2014 - Mexico, México
    Duración: 12 may. 201413 may. 2014

    Serie de la publicación

    NombreEnvironmental Science and Engineering (Subseries: Environmental Science)
    ISSN (versión impresa)1863-5520


    Conferencia1st Conference on Spring School Enzo Levi, 2014

    Nota bibliográfica

    Publisher Copyright:
    © Springer International Publishing Switzerland 2016.


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