Near-field dynamics of high-speed spray dryer coannular two fluid nozzle: Effects of operational conditions and formulations

作者: Sadegh Poozesh , Stephen W. Grib , Michael W. Renfro , Patrick J. Marsac

DOI: 10.1016/J.POWTEC.2018.04.064

关键词:

摘要: Abstract The scaling-up of spray drying processes is an important and challenging step in commercializing specialty products with ensured quality because it mandates a comprehensive understanding several steps the process such as atomization, efficient solvent removal, particle segregation. formation needed sizes shapes impossible without appropriate atomization through dryer nozzles. Hence, research discussed that investigates mechanism for pilot scale externally-mixed, two-fluid nozzle by using time resolved particle-image velocimetry to study behavior droplets near-field tip. Important dynamics emanating from are described, characteristics formulations which widely used pharmaceutical industry. Spray angle, droplet breakup length, velocity distributions characterized. Understanding these parameters assists interpretation enables modeling process.

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