## 2018

Tagawa, Y., 2018, "Axisymmetric pressure field of laser-induced underwater shockwaves: non-contact high-speed measurement and analysis”, The 32nd International Congress on High-Speed Imaging and Photonics, Enschede (The Netherlands). [*Keynote lecture*]

Tagawa, Y., 2018, "Impact-induced cavitation and liquid jets”, Physics of Fluids for the 21st Century, Enschede (The Netherlands). [*Invited lecture*]

Onuki, H., Maeshima, M., Kurihara, C., Kiyama, A., and Tagawa, Y., 2018, "Control of impact-induced cavitation using bubble-contained PVA gel", 71st Annual Meeting of the American Physical Society Division of Fluid Dynamics, Atlanta (USA).

Franco-Gomez, A., Nagatsu, Y., and Tagawa, Y., 2018, "Jet ejection of inelastic and elastic non-Newtonian fluids by laser-induced shockwave", 71st Annual Meeting of the American Physical Society Division of Fluid Dynamics, Atlanta (USA).

Dyett, B., Kiyama, A., Tagawa, Y., Lohse, D., and Zhang, X., 2018, “Growth dynamics of surface nanodroplets", 71st Annual Meeting of the American Physical Society Division of Fluid Dynamics, Atlanta (USA).

Kiyama, A., Hayasaka, K., Nishida, H., and Tagawa, Y., 2018, "Acceleration-induced cavitation and surrounding pressure in a short liquid column", 71st Annual Meeting of the American Physical Society Division of Fluid Dynamics, Atlanta (USA).

Tagawa, Y., Matsuda, A., and Sawaguchi, E., 2018, "Experimental study on pressure balance of a droplet levitating over a moving wall", 71st Annual Meeting of the American Physical Society Division of Fluid Dynamics, Atlanta (USA).

Kiyama, A., Kurihara, C., Hayasaka, K., and Tagawa, Y., 2018, “On the acceleration-induced cloud cavitation in water and the gel”, 12th European Fluid Mechanics Conference, Vienna (Austria).

Onuki, H., and Tagawa, Y., 2018, “Mechanism of microjet ejection with highly viscousfluids”, 12th European Fluid Mechanics Conference, Vienna (Austria).

Yamamoto, S., Tagawa, Y., and Kameda, M., 2018, "Non-contact pressure measurement of underwater shock wave in a microtube using Background-Oriented Schlieren technique”, 19th International Symposium on Applications of Laser and Imaging Techniques to Fluid Mechanics, Lisbon (Portugal).

Hayasaka, K., Kawamoto, S., Kameda, M., and Tagawa, Y., 2018, “Smartphone background-oriented schlieren for locating gas-leak source in emergencies”, 19th International Symposium on Applications of Laser and Imaging Techniques to Fluid Mechanics, Lisbon (Portugal).

Miyazaki Y., Endo N., Kawamoto S., Kiyma A., and Tagawa Y., 2018, “High-speed measurement of stress fields in soft materials impacted by highly-focused microjets using photoelastic technique”, 19th International Symposium on Applications of Laser and Imaging Techniques to Fluid Mechanics, Lisbon (Portugal).

Matsuda, A., Komaya, S., Sawaguchi, E., and Tagawa, Y., 2018, “Viscous effect on droplet levitation over a moving wall”, 18th International symposium on Flow Visualization, Zurich(Switzerland).

Tagawa, Y., 2018, “Novel Microjet Generator for Supersonic and Highly Viscous Liquids”, The 121st Annual Conference of the Imaging Society of Japan (Commemoration Lecture of Konica Minolta Research Encouraging Grant 2016), Chiba (Japan)

Onuki, H., Maeshima, M., and Tagawa, Y., 2018, “The New System for Generating Microjets for Highly Viscous Ink”, IJ1-02, The 121st Annual Conference of the Imaging Society of Japan, Chiba (Japan).

Maeshima, M., Onuki, H., Kurihara, C., Kiyama, A., and Tagawa, Y., 2018, “Jet Velocity Control Method Using PVA Gel for a New Ink-jet Generator”, INP-15i, The 121st Annual Conference of the Imaging Society of Japan,

Chiba (Japan).

Tagawa, Y., 2018, “Full-field pressure measurement of underwater shock waves using Background Oriented Schlieren technique", Seminar @ Delft University of Technology (TU Delft), Delft (The Netherlands). [*Invited seminar*]

Tagawa, Y., 2018, “High-speed and highly viscous microjets: fundamentals and medical/industrial applications”, Seminar @ Universität Bayreuth, Bayreuth (Germany). [*Invited seminar*]

Tagawa, Y., 2018, “Full-field pressure measurement of underwater shock waves using Background Oriented Schlieren technique”, Seminar @ Universität der Bundeswehr München, Munich (Germany). [*Invited **seminar*]

Tagawa, Y., 2018, “Focused liquid jets”, Seminar @ Technical University of Munich, Munich (Germany). [*Invited seminar*]

Tagawa, Y., 2018, “Enhancement of focused liquid jets by preformed bubbles”, Seminar @ Otto von Guericke University Magdeburg, Magdeburg (Germany). [*Invited **seminar*]

Tagawa, Y., 2018, “Yoshiyuki Tagawa Lab. - research overview”, Seminar @ Technische Universität Darmstadt (TU Darmstadt), Darmstadt, (Germany). [*Invited **seminar*]

Tagawa, Y., 2018, “Multiphase flow for medical applications - microjets and droplets -”, 2nd Kyung Hee University - Tokyo University of Agriculture and Technology Bilateral Seminar @ Kyung Hee University, Seoul(Korea). [*Invited seminar*]

## 2017

Kiyama, A., Miyazaki, Y., Pan, Z., Mansoor, M. M., Truscott, T. T., and Tagawa, Y., 2017, “High-speed impact of the focused micro liquid jet onto liquid pool”, 17th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery and 2nd International Symposium on Image based Metrology, Hawaii (USA).

Yukisada, R., Kiyama, A., Zhang, X., and Tagawa, Y., 2017, “Enhancement of focused jets by using surface microbubbles”, 70th Annual Meeting of the American Physical Society Division of Fluid Dynamics, Denver (USA).

Tagawa, Y., Kurihara, C., and Kiyama, A., 2017, “Pressure fluctuation caused by moderate acceleration”, 70th Annual Meeting of the American Physical Society Division of Fluid Dynamics, Denver (USA).

Peters, I., and Tagawa, Y., 2017, “The collapse of a cavitation bubble in a corner”, 70th Annual Meeting of the American Physical Society Division of Fluid Dynamics, Denver (USA).

Onuki, H., and Tagawa, Y., 2017, “Highly-viscous microjet induced by an impact”, 70th Annual Meeting of the American Physical Society Division of Fluid Dynamics, Denver (USA).

Miyazaki, Y., Endo, N., Kawamoto, S., and Tagawa, Y., 2017, “Stress fields in soft material induced by injection of highly-focused microjets”, 70th Annual Meeting of the American Physical Society Division of Fluid Dynamics, Denver (USA).

Li, Y., Tagawa, Y., Yee, A., and Yoda, M., 2017, “Observations of the initial stages of colloidal band formation”, 70th Annual Meeting of the American Physical Society Division of Fluid Dynamics, Denver (USA).

Kiyama, A., Pan, Z., Tagawa, Y., Jesse, D.D., Thomson, S., Hurd, R., and Truscott, T., 2017, “Cavitation onset of an accelerating liquid”, 70th Annual Meeting of the American Physical Society Division of Fluid Dynamics, Denver (USA).

Kawamoto, S., and Tagawa, Y., 2017, “Behavior of a laser-induced bubble: effects of the volume variation of the liquid”, 70th Annual Meeting of the American Physical Society Division of Fluid Dynamics, Denver (USA).

Fujita, Y., Tran, T., Tagawa, Y., Xie, Y., Sun, C., and Lohse, D., 2017, “High-speed micro-droplet impact on a super-heated surface”, 70th Annual Meeting of the American Physical Society Division of Fluid Dynamics, Denver (USA).

Kameda, M., Hayasaka, K., Tagawa, Y., and Liu, T., 2017, “High-resolution background oriented schlieren technique for a laser-induced underwater shock wave”, 31st International Symposium on Shock Waves, Nagoya (Japan).

Sawaguchi, E., Hama, K., Saito, M., and Tagawa, Y., 2017, “Lubrication pressure generated inside an air film between a levitating droplet and a moving wall”, Droplets 2017, Los Angels (USA).

## 2016

Ishihara, S., Tukiyama, H., Tagawa, Y., and Kameda, M., 2016, “Rupture sites of a liquid film between the bubble and the solid surface”, The 31st International Congress on High-Speed Imaging and Photonics, Osaka (Japan).

Onuki, H., Oi, Y., and Tagawa, Y., 2016, “Numerical simulation of a highly-viscous microjet generated by an impulsive force”, The 9th International Conference on Multiphase Flow, Firenze (Italy).

Tagawa, Y., Yamamoto, S., Hayasaka, K., and Kameda, M., 2016, “Structure of a laser-induced underwater shock wave”, The 9th International Conference on Multiphase Flow, Firenze (Italy).

Kida, H., Tagawa, Y., Sato, R., and Kameda, M., 2016, “Collecting device of volatile organic compounds in water like a nose: thin liquid film containing odorant binding proteins”, The 9th International Conference on Multiphase Flow, Firenze (Italy).

Hayasaka, K., Tagawa, Y., Liu, T., and Kameda, M., 2016, “Measurement of a laser-induced underwater shock wave by the optical-flow-based background-oriented schlieren technique”, The 18th International Symposium on Applications of Laser and Imaging Techniques to Fluid Mechanics, Lisbon (Portugal).

Kiyama, A., Kurihara, C., Hayasaka, K., and Tagawa, Y., 2016, “Effects of a water hammer and cavitation on the motion of a gas-liquid interface”, The 24th Internetional Congress of Theoretical and Applied Mechanics, Montreal (Canada).

Sawaguchi, E., Hama, K., Saito, M., and Tagawa, Y., 2016, “Pressure distribution on a levitating drop over a moving surface”, The 24th Internetional Congress of Theoretical and Applied Mechanics, Montreal (Canada).

Tagawa, Y., Yamamoto, S., Hayasaka, K., and Kameda, M., 2016, “Structure of a laser-induced shock wave in water”, The 24th Internetional Congress of Theoretical and Applied Mechanic, Montreal (Canada).

Ishii, M., Kawamoto, S., Iwami, K., and Tagawa, Y., 2016, “Optically-induced Focused Microjets Assisted by Plasmonic Heat Source”, The 14th International Conference of Near-Field Optics, Nanoparticles and related Techniques, Shizuoka (Japan).

Onuki, H., Oi, Y., and Tagawa, Y., 2016, “Generation of microjets of highly-viscous liquids”, The 11th European Fluid Mechanics Conference, Sevilla (Spain).

Kiyama, A., Katsuta, C., Kawamoto, S., Endo, N., Tanaka, A., and Tagawa, Y., 2016, “An application of the focused liquid jet: needle free drug injection system”, E39.00006, 69th Annual Meeting of the APS Division of Fluid Dynamics, Portland (USA).

Tagawa, Y., Yamamoto, S., Hayasaka, K., and Kameda, M., 2016, “The pressure impulse of a laser-induced underwater shock wave”, G5.00006, 69th Annual Meeting of the APS Division of Fluid Dynamics, Portland (USA).

Hatakenaka, R., and Tagawa, Y., 2016, “Droplet Impact on a Heated Surface under a Depressurized Environment”, KP1.00072, 69th Annual Meeting of the APS Division of Fluid Dynamics, Portland (USA).

Fujita, Y., Kiyama, A., and Tagawa, Y., 2016, “High-speed ethanol micro-droplet impact on a solid surface”, KP1.00092, 69th Annual Meeting of the APS Division of Fluid Dynamics, Portland (USA).

Endo, N., Kawamoto, S., and Tagawa, Y., 2016, “The injection of a highly focused microjet into a soft target”, KP1.00093, 69th Annual Meeting of the APS Division of Fluid Dynamics, Portland (USA).

## 2015

Tagawa, Y., Onuki, H., and Oi, Y., 2015, “Generation of highly-viscous microjets”, M35.00009, 68th Annual Meeting of the APS Division of Fluid Dynamics, Boston (USA).

Kiyama, A., Kurihara, C., and Tagawa, Y., 2015, “Experimental study on the onset of cavitation induced by an impact”, L36.00010, 68th Annual Meeting of the APS Division of Fluid Dynamics, Boston (USA).

Kawamoto, S., Hayasaka, K., Noguchi, Y., and Tagawa, Y., 2015, “Volume of a laser-induced microjet”, KP2.00028, 68th Annual Meeting of the APS Division of Fluid Dynamics, Boston (USA).

Onuki, H., Oi, Y., and Tagawa, Y., 2015, “A new device for generating thin jets of highly-viscous liquid”, KP2.00025, 68th Annual Meeting of the APS Division of Fluid Dynamics, Boston (USA).

Hayasaka, K., and Tagawa, Y., 2015, “Ultra-high speed measurement of a laser-induced underwater shock wave”, KP2.00010, 68th Annual Meeting of the APS Division of Fluid Dynamics, Boston (USA).

Sawaguchi, E., Hama, K., Saito, M., and Tagawa, Y., 2015, “Steady levitating droplets”, Droplets 2015, University of Twente, Enschede (The Netherlands).

Onuki, H., Oi, Y., and Tagawa, Y., 2015, “A novel system for generating high-speed microjets of highly-viscous liquids”, Droplets 2015, University of Twente, Enschede (The Netherlands).

Kiyama, A., Tagawa, Y., Bouwhuis, W., van der Meer, D., and Lohse, D., 2015, “Numerical Study on a focused liquid jet accompanied by gas bubbles”, The 13th Asian international conference on fluid machinery, Tokyo (Japan)

Tagawa, Y., 2015, “Bubble path instability in various surfactant solutions”, IUTAM Symposium on Bubbly Flows, Oaxaca (Mexico).

## 2014

Tagawa, Y., Yamamoto, Y., and Kameda, M., 2014, “Spatiotemporal evolution of a laser-induced shock wave measured by the background-oriented schlieren technique”, G29.00003, 67th Annual Meeting of the APS Division of Fluid Dynamics, San Francisco, Calfornia (USA).

Kiyama, A., and Tagawa, Y., 2014, “Study on a liquid jet with cavitation bubbles”, G36.00008, 67th Annual Meeting of the APS Division of Fluid Dynamics, San Francisco, Calfornia (USA).

Saito, M., Tagawa, Y., and Kameda, M., 2014, “Mechanism of the lift force acting on a levitating drop over a moving surface”, F2.00017, 67th Annual Meeting of the APS Division of Fluid Dynamics, San Francisco, Calfornia (USA).

Yamamoto, S., Tagawa, Y., and Kameda, M., 2014, “Angular variation of pressure at laser-induced shock front”, ISFV16-1324, The 16th International Symposium on Flow Visualization, Okinawa (Japan).

Yamamoto, S., Tagawa, Y., and Kameda, M., 2014, “The evolution of a shock wave pressure induced by a laser pulse in a liquid filled thin tube using the background-oriented Schlieren technique, 2.11, International Symposium on Applications of laser techniques to fluid mechanics, Lisbon (Portugal).

Tagawa, Y., Takagi, S., and Matsumoto, Y., 2014, “On path instability of a rising bubble in dilute surfactant solution”, 10th European Fluid Mechanics Conference, Copenhagen (Denmark).

Kiyama, A., Noguchi, Y., and Tagawa, Y., 2014, “A focused jet with cavitation bubbles”, 10th European Fluid Mechanics Conference, Copenhagen (Denmark).

## 2013

Tagawa, Y., Takagi, S., and Matsumoto, Y., 2013, “The effect of surfactants on path instability of a rising bubble”, H11.00002, 66th Annual Meeting of the APS Division of Fluid Dynamics, Pittsburgh, Pennsylvania (USA).

Yamamoto, S., Tagawa, Y., and Kameda, M., 2013, Shock wave reflections in a liquid filled thin tube, 1A.00018, 66th Annual Meeting of the APS Division of Fluid Dynamics, Pittsburgh, Pennsylvania (USA).

Kiyama, A., Noguchi, Y., and Tagawa, Y., 2013, “A focused liquid jet using a pressure impulse”, 1A.00019, 66th Annual Meeting of the APS Division of Fluid Dynamics, Pittsburgh, Pennsylvania (USA).

Lhuissier, H., Tagawa, Y., Tran, T., and Sun. C., 2013, “Levitation of a drop over a moving surface”, L33.00002, 66th Annual Meeting of the APS Division of Fluid Dynamics, Pittsburgh, Pennsylvania (USA).

Tran, T., Tagawa, Y., Xie. Y., Sun, C., and Lohse, D., 2013, “Microdroplet impact on superheated surfaces: Vapor triggers splashing”, H34.00002, 66th Annual Meeting of the APS Division of Fluid Dynamics, Pittsburgh, Pennsylvania (USA).

Tagawa, Y., Oudalov, N., Ghalbzouri, A. El, Sun, C., and Lohse, D., 2013, “Needle-free injection into skin and soft matter with highly focused microjets”, International Conference on Multiphase Flow, Jeju, Korea.

## 2012 & BEFORE

Tagawa, Y., Martinez-Mercado, J., Prakash, V.N., Calzavarini, E., Sun, C., and Lohse, D., 2012, “Three-dimensional Lagrangian Voronoi analysis for clustering of inertial particles in turbulence”, Proc. of European Fluid Mechanics Conference 9, TU11-0602, Rome (Italy).

Tagawa, Y., Oudalov, N., Visser, C.W., Peters, I.R., van der Meer, D., Sun, C., Prosperetti, A., and Lohse, D., 2012, “Supersonic controlled microjet”, Proc. of the 23rd International Congress of Theoretical and Applied Mechanics, FM06-065, Beijing (China).

Tagawa, Y., Prakash,V.N., Calzavarini, E., Martinez-Mercado, J., Toschi, F., Lohse, D., and Sun, C., 2012, “Gravity and size effects on the acceleration statistics of bubbles in turbulence”, Proc. of Particles in complex flows, WG.1, Reykjavik (Iceland).

Tagawa, Y., Martinez-Mercado, J., Prakash, V.N., Calzavarini, E., Sun, C., and Lohse, D., 2011, “Three-dimensional Voronoi analysis for inertial particle clustering in turbulence”, Proc. of Particle in Turbulence (International Conference on Fundamentals, Experiments, Numerics and Applications), WG.3, Potsdam (Germany).

Tagawa, Y., Funakubo, A., Takagi, S., and Matsumoto, Y., 2010, A single bubble path instability in dilute surfactant solution, Proc. of 7th International Conference of Multiphase Flow, No. 7.1.4, Tampa (USA).

Tagawa, Y., Ogasawara, T., Takagi, S. and Matsumoto, Y., 2009, “Surfactant effects on single bubble motion and bubbly flow structure”, Proc. of 6th International Symposium on Multiphase Flow, Heat Mass Transfer and Energy Conversion, Paper No. MF-06, AIP Conference Proceedings, Vol.1207, pp. 43-48, Xi’an (China).

Tagawa, Y., Funakubo, A., Takagi, S. and Matsumoto, Y., 2008, “New Types of a single bubble motions in dilute surfactant solution”, Proc. of XXII The International Congress of Theoretical and Applied Mechanics 2008, No. 11745, Adelaide (Australia).

Tagawa, Y., Takagi, S. and Matsumoto, Y., 2006, “3D wake structure of zigzagging or spiraling bubble by digital holography measurement”, Proc. of Applications to laser techniques to fluid mechanics 13th international symposium, No. 1336, pp. 1-9, Lisbon (Portugal).

Prakash, V.N., Tagawa, Y., Calzavarini, E., Martinez-Mercado, J., Toschi, F., Sun, C., and Lohse, D., 2012, “How gravity and size affect the acceleration statistics of bubbles in turbulence”, Proc. of European Fluid Mechanics Conference 9, TU5-0580, Rome (Italy).

Ogasawara. T., Tagawa. Y., Fujiwara, A., Takagi, S., and Matsumoto, Y., 2004, “Experimental Study on Bubbly Flow in a Vertical Channel”, Proc. of 5th International Conferences on Multiphase Flow, No.538, pp.1-13, Yokohama (Japan).

Ogasawara. T., Tagawa. Y., Fujiwara, A., Takagi, S., and Matsumoto, Y., 2004, “The Clustering Phenomena near the Wall in a Turbulent Bubbly Channel Flow”, Proc. of 3rd International Symposium on Two-Phase Flow Modeling and Experimentation, jp20, Pisa (Italy).

Prakash, V.N., Martinez-Mercado, J., Tagawa, Y., Sun, C., and Lohse, D., 2011, “Light statistics of light particles in turbulence”, Proc. of Particle in Turbulence (International Conference on Fundamentals, Experiments, Numerics and Applications), WG.4, Potsdam (Germany).

Tagawa, Y., Oudalov, N., Visser, C.W., Peters, I.R., van der Meer, D., Sun, C., Prosperetti, A., and Lohse, D., 2012, “Highly-focused high-speed impact on soft material: Application for needle-free injection device”, Proc. of 65th Annual Meeting of the Divison of Fluid Dynamics, A.P.S., L11.00002, San Diego, (USA).

Tagawa, Y., Martinez-Mercado, J., Prakash, V.N., Calzavarini, E., Sun, C., and Lohse, D., 2011, “A Lagrangian clustering analysis of inertial particles in turbulence using three-dimensional Voronoi tessellation”, Proc. of 64th Annual Meeting of the Divison of Fluid Dynamics, A.P.S., E21.00007, Baltimore (USA).

Tagawa, Y., Sun, C., Mullin, T., van Wijngaarden, and L., Lohse, D., 2010, “The motion and the forces on a cylinder and a sphere in rotating shear flow”, Proc. of 63rd Annual Meeting of the Division of Fluid Dynamics A.P.S., QZ.00003, Long beach (USA).

Tagawa, Y., Kawaguchi, Y., Funakubo, A., Takagi, S. and Matsumoto, Y., 2007, A single bubble path transition from spiral to zigzag in dilute surfactant solution, Proc. of 60th Annual Meeting of the Divison of Fluid Dynamics, A.P.S., BC.0004, (USA)

Tagawa, Y., Takagi, S., and Matsumoto. Y., 2007, “3D fluid structure around single bubble in surfactant solution, International Symposium on Computational Challenges in Thermal”, Fluids and Energy Systems, No. 93, Tokyo, Japan

Peters, I.R., Tagawa, Y., van der Meer, D., Prosperetti, A., Sun, C., and Lohse, D., 2010, “Microjet formation in a capillary by laser-induced cavitation”, Proc. of 63rd Annual Meeting of the Division of Fluid Dynamics A.P.S., GQ.00007, Long beach (USA).

Oudalov, N., Tagawa, Y., Visser, C.W., Sun, C., and Lohse, D., 2011, “High-speed microdroplet generation using laser-induced vapor bubbles”, Proc. of 64th Annual Meeting of the Divison of Fluid Dynamics, A.P.S., R3.00003, Baltimore (USA).

Visser, C.W., Tagawa, Y., Oudalov, N., Sun, C., and Lohse, D., 2011, “High-speed microdroplet impact on smooth solid surfaces”, Proc. of 64th Annual Meeting of the Divison of Fluid Dynamics, A.P.S., H4.00002, Baltimore (USA).

Martinez-Mercado, J., Prakash, V.N., Tagawa, Y., Sun, C., and Lohse, D., 2010, “Light particles in turbulence: acceleration statistics”, Proc. of 63rd Annual Meeting of the Division of Fluid Dynamics A.P.S., AU.00005, Long beach (USA).

Prakash, V.N., Martinez-Mercado, J., Tagawa, Y., Sun, C., and Lohse, D., 2010, “Light particles in turbulence: velocity statistics”, Proc. of 63rd Annual Meeting of the Division of Fluid Dynamics A.P.S., AU.00006, Long beach (USA).

Prakash, V.N., Martinez-Mercado, J., Tagawa, Y., Sun, C., and Lohse, D., 2011, “Light statistics of light particles in turbulence”, Proc. of 64th Annual Meeting of the Divison of Fluid Dynamics, A.P.S., S18.00001, Baltimore (USA).

Prakash V.N., Tagawa, Y., Calzavarini, E., Martinez-Mercado, J., Toschi, F., Sun, C., and Lohse, D., 2012, “How gravity and size affect the acceleration statistics of bubbles in turbulence”, Proc. of 65th Annual Meeting of the Divison of Fluid Dynamics, A.P.S., A8.00006, San Diego (USA).

Visser, C.W., Tagawa, Y., Sun, C., and Lohse, D., 2012, “Droplet impact at very high velocity”, Proc. of 65th Annual Meeting of the Divison of Fluid Dynamics, A.P.S., H4.00008, San Diego (USA).