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Evaluation of micro jet nozzle using finite elements method  

Lim, Dong-Wook (Department of Mechanical Engineering, Inha University)
Choi, Doo-Sun (Department of Mechanical Engineering, Inha University)
Kim, Tae-min (Department of Mechanical Engineering, Inha University)
Park, Jung-Rae (Department of Mechanical Engineering, Inha University)
Park, Kyu-Bag (Department of Mechanical Engineering, Inha University)
Ham, Hwi-Chan (Department of Mechanical and Aerospace Engineering, Seoul National University)
Kim, Ji-Hun (Department of Mechanical Engineering, Inha University)
Publication Information
Design & Manufacturing / v.14, no.3, 2020 , pp. 57-62 More about this Journal
Abstract
In the drug delivery system industry, the technology with even split injection becomes important for maximizing efficiency and minimizing the side effects. In conventional drug delivery system, infection can occur due to pain and splashing. Also, various applications are impossible due to disposable use, and it is the reason to avoid to use this system because of the complexity of the driving method. Therefore, in this study, a painless drug delivery device is developed for non-pain with electrical insulation breakdown method. Finite elements analysis was used to evaluate the ejection characteristics of drugs according to the shape of the micro ejection nozzle. The effect of the number of holes in the micro nozzle, the length of the nozzle and the inner shape of the nozzle on the drug discharge characteristics were analyzed.
Keywords
FEM(Finite Elements Method); Micro jet nozzle; Drug Delivery System; Shock wave;
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