Design optimization of twin-fluid atomizers with an internal mixing chamber for heavy fuel oils

Twin-fluid atomization of viscous liquids: The effect of atomizer construction on breakup process, spray stability and droplet size

“…The capability to process highly viscous liquids is advantageous in several areas, especially in the combustion of heavy fuels, liquid wastes (Buckner et al, 1990;Ferreira et al, 2009;Jedelsky et al, 2009;Kermes et al, 2008;Loebker et al, 1998), coal-water (Chawla, 1985;Daviault et al, 2012;Jagannathan et al, 2011), and coke sludge slurries. It also helps in the spray drying of food (with suspensions of water and gelatinized native corn starch or native waxy corn starch, Schröder et al, 2011) and pharmaceutical and consumer products (PEO solutions (Broniarz-Press et al, 2010) such as water-oil emulsions (Broniarz-Press et al, 2009;Schröder et al, 2012), black liquor (Risberg and Marklund, 2009), and liquids for fluid catalytic cracking (Jolodar et al, 2005).…”

Evaluation of Steadiness and Drop Size Distribution in Sprays Generated by Different Twin-Fluid Atomizers

“…The original design was based on the findings by workers Chin [14], Ferreira [15], Tamaki [16]. The liquid is injected into the mixing chamber perpendicularly to the main axis of the atomizer.…”

Geometrical Effects on Spray Performance of a Special Twin-fluid Atomizer without Water Power and its CO2 Absorption Capacity

“…However, Kushari [5] showed that droplet size decreases with the increase of mixing chamber length. Both Ferreira et al's [6] and Kushari's [5] results showed that the ratio of the exit orifice area to the air injection area influences spray mean drop size in internal mixing twin-fluid atomizers, the same with effervescent atomizers [7]. Shafaee [8] et al found that, increasing of the mixing chamber length causes a little decrease in spray cone angle.…”