The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec)
Online ISSN : 2424-3124
2018
Session ID : 2A1-L08
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Study for focusing shock wave and expansion wave by acoustic impedance matching
*Keita IchikawaYoko Yamanishi
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CONFERENCE PROCEEDINGS FREE ACCESS

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Abstract

In the previous study, the collateral damage area was evaluated for the electrically induced bubble injector (needle-free injector) which was invented in our laboratory. It was confirmed that the input power is closely related to the depth of the injection area. However, the perforation depth of conventional bubble injector is limited as general use of injector. Therefore for the present study, evaluation and amplification of shock wave and expansion wave which are generated in cavitation and reflection phenomena is carried out. Also, the reflector to focuse shockwave is designed and fabricated to amplify the injection performance of bubble injector.

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© 2018 The Japan Society of Mechanical Engineers
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