author = "Mendiburu, Andres Z. Mendiburu and Serra J{\'u}nior, Aguinaldo 
                         Martins and Andrade, Jos{\'e} Carlos de and Silva, Lucas M. and 
                         Santos, Jos{\'e} Carlos dos and Carvalho J{\'u}nior, Jo{\~a}o 
                         A. de",
          affiliation = "{Universidade Federal do Rio Grande do Sul (UFRGS)} and {Instituto 
                         Nacional de Pesquisas Espaciais (INPE)} and {Instituto Nacional de 
                         Pesquisas Espaciais (INPE)} and {Universidade Estadual Paulista 
                         (UNESP)} and {Instituto Nacional de Pesquisas Espaciais (INPE)} 
                         and {Universidade Estadual Paulista (UNESP)}",
                title = "Characterization of the flame front inversion of EthanolAir 
                         deflagrations inside A closed tube",
              journal = "Energy",
                 year = "2019",
               volume = "187",
                pages = "e115932",
                month = "Nov.",
             keywords = "Flame front inversion, Deflagrations, Closed tubes, Ethanol.",
             abstract = "Ethanoleair deflagrations were experimentally studied inside a 
                         closed tube by varying the equivalence ratio (0.9e1.4) and the 
                         initial pressure (20e60 kPa). The flame front inversion phenomenon 
                         was observed in all tests. It was determined that the ratio of the 
                         distance of flat flame formation to the hydraulic diameter df 
                         =dh is a measurable parameter that allows the characterization of 
                         the phenomenon. For ethanoleair mixtures two dimensionless 
                         parameters can be used to correlate df =dh, namely, the ratio of 
                         the laminar flame speed to the speed of sound of the reactants 
                         SL=CS;0 and the dimensionless distance travelled by the flame 
                         tip up to the time when the flame touches the lateral walls of the 
                         tube xtip;wall. Two correlations were obtained and the averages 
                         of the absolute values of the relative errors (AARE) were less 
                         than 1.2%. Another correlation was obtained considering published 
                         data of different fuel eair mixtures. A statistical analysis 
                         applied considering experimental data from published literature 
                         and from this work, showed an AARE of 8.95% and a coefficient of 
                         multiple determination (R2 ) of 0.79. The pvalues of the 
                         regression coefficients were lower than 0.001. Therefore, the 
                         correlations present good accuracy and can be used for 
                  doi = "10.1016/j.energy.2019.115932",
                  url = "http://dx.doi.org/10.1016/j.energy.2019.115932",
                 issn = "0360-5442",
             language = "en",
           targetfile = "mendiburu_characterization.pdf",
        urlaccessdate = "17 abr. 2021"