Abstract
This study is motivated by the authors’ interest in developing a needle-free powdered vaccine delivery device, the Epidermal Powdered Injection system(EPI). The behaviour of a supersonic jet, which accelerates powdered vaccines in micro-form to a sufficient momentum to penetrate the outer layer of human skin or mucosal tissue, is therefore of great importance. In this paper, a well established Modified Implicit Flux Vector Splitting (MIFVS) solver for the Navier-Stokes equations is extended to numerically study the transient supersonic jet flows of interest. A low Reynolds number k−ε turbulence model, with the compressibility effect considered, is integrated into MIFVS solver to the prediction of the turbulent structures and interactions with inherent shock systems. The results for the NASA validation case NPARC, Contoured Shock Tube and Venturi of EPI system are discussed.
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© 2005 Tsinghua University Press and Springer-Verlag Berlin Heidelberg
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Liu, Y., Kendall, M.A.F., Costigan, G., Bellhouse, B.J. (2005). Prediction of jet flows from the axisymmetric supersonic nozzle. In: Jiang, Z. (eds) Shock Waves. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-27009-6_177
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DOI: https://doi.org/10.1007/978-3-540-27009-6_177
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