@InProceedings{DiasMachAndrCost:2020:HyEtAt,
               author = "Dias, Gabriel Silva and Machado, Danilo Almeida and Andrade, 
                         Jos{\'e} Carlos de and Costa, Fernando de Souza",
          affiliation = "{Instituto Nacional de Pesquisas Espaciais (INPE)} and {Instituto 
                         Nacional de Pesquisas Espaciais (INPE)} and {Instituto Nacional de 
                         Pesquisas Espaciais (INPE)} and {Instituto Nacional de Pesquisas 
                         Espaciais (INPE)}",
                title = "Hydrous Ethanol Atomization by Impinging Jets",
            booktitle = "Proceedings...",
                 year = "2020",
         organization = "Brazilian Congress of Thermal Sciences and Engineering, 18. 
                         (ENCIT)",
             keywords = "Impinging jets, Atomization, Ethanol, Green propellant, Spray.",
             abstract = "Liquid propellant engines are the most used configuration in 
                         rocket propulsion systems. Ethanol was extensively used as liquid 
                         fuel in rocket propulsion systems, it has the advantage of be safe 
                         to handle and a green propellant. Impinging injectors are widely 
                         used due their easy of manufacture and efficiency. This 
                         experimental work atomizes liquid hydrous ethanol using impinging 
                         jets. Shadow images were taken in order to analyze the free jet 
                         and the sheet formed under a range of jet velocities. The free jet 
                         flow in ambient air 6 mm downstream the exit was turbulent for u > 
                         5 m/s and the registered regimes of formed liquid sheet went from 
                         closed stable sheet to impact wave. A brief analysis about 
                         coalescence and secondary droplet breakup was done based on 
                         literature simplified models. A Spraytec laser diffraction system 
                         was used to obtain representative diameters and droplet size 
                         distributions. Representative diameters presented no clear trend 
                         with jet Reynolds number, however it SMD and Dv10 seemed to 
                         decrease with increase of impingement angle. Bimodal particle size 
                         distributions presented a detachment trend of the two droplet 
                         populations as the jet velocity increased, however the population 
                         of larger droplets tends to increase in volume frequency, such 
                         effect may be a result of both secondary atomization together with 
                         coalescence.",
  conference-location = "Online",
      conference-year = "16-20 nov.",
                label = "lattes: 4727150274528460 2 DiasMachAndrCost:2020:HyEtAt",
             language = "en",
           targetfile = "dias_hydrous.pdf",
        urlaccessdate = "28 abr. 2024"
}