Secondary Atomization of a Biodiesel Micro-Emulsion Fuel Droplet Colliding with a Heated Wall; Applied Sciences; Vol. 10, iss. 2

Secondary Atomization of a Biodiesel Micro-Emulsion Fuel Droplet Colliding with a Heated Wall; Applied Sciences; Vol. 10, iss. 2

Bibliografiset tiedot
Parent link:	Applied Sciences Vol. 10, iss. 2.— 2020.— [685, 21 p.]
Yhteisötekijä:	Национальный исследовательский Томский политехнический университет Инженерная школа энергетики Научно-образовательный центр И. Н. Бутакова (НОЦ И. Н. Бутакова)
Muut tekijät:	Ashikhmin A. E. Alexander Evgenjevich, Khomutov N. A. Nikita Andreevich, Piskunov M. V. Maksim Vladimirovich, Yanovsky V. A. Vyacheslav Aleksadrovich
Yhteenveto:	Title screen Using high-speed video recording, we establish the following regimes of hydrodynamic interaction of a biodiesel micro-emulsion fuel droplet with a heated wall: deposition (including drop spreading and receding), drop hydrodynamic breakup, and rebound. Collision regime maps are plotted using a set of dimensionless criteria: Weber number We = 470–1260, Ohnesorge number Oh = 0.146–0.192, and Reynolds number Re = 25–198. The scenarios of droplet hydrodynamic disintegration are studied for transient and film boiling. We also estimate the disintegration characteristics of a biodiesel micro-emulsion droplet (mean diameter of child droplets, their number, and evaporation surface area increase due to breakup). The study establishes the effect of water proportion on the micro-emulsion composition (8–16 vol.%), heating temperature (300–500 °C), droplet size (1.8–2.8 mm), droplet velocity (3–4 m/s), rheological properties of the examined compositions, and emulsifier concentration (10.45 vol.% and 20 vol.%) on the recorded characteristics. The results show that the initial liquid surface area can be increased 2–19 times. The paper analyzes ways to control the process. The hydrodynamic disintegration characteristics of a biodiesel micro-emulsion fuel droplet are compared using 2D and 3D recording.
Kieli:	englanti
Julkaistu:	2020
Aiheet:	электронный ресурс труды учёных ТПУ micro-emulsion fuel biodiesel heated wall interaction impact outcom emulsion child droplets микроэмульсии биодизельное топливо взаимодействия капли
Linkit:	https://doi.org/10.3390/app10020685
Aineistotyyppi:	Elektroninen Kirjan osa
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=661838

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