2011年〜現在までの論文リスト

Electromagnetically spinning viscometer designed for measurement of low viscosity in low shear rate region
M.Hosoda, Y.Yamakawa and K.Sakai
Jpn. J. Appl. Phys., Vol. 63, 04SP16, Mar 2024

Experimental and theoretical research on oscillation behavior of droplets on horizontally oscillating substrates
Satoshi Ishida, Shujiro Mitani and Keiji Sakai
Jpn. J. Appl. Phys., Vol. 63, 03SP02, Feb 2024

Application of EMS system for continuous measurement of rheology in reaction chamber
M.Hosoda1, Y.Yamakawa and K.Sakai
Jpn. J. Appl. Phys., Vol. 62, SJ1014, Feb 2023

High speed measurement of liquid properties from behavior of micro droplets on vertically oscillating substrate
Satoshi Ishida, Shujiro Mitani and Keiji Sakai
Jpn. J. Appl. Phys., Vol. 62, SJ8001, Jan 2023

Wave propagation in/on liquids and spectroscopy of viscoelasticity and surface tension
Keiji Sakai
Ultrasonics - Physics and applications -, CHAPTER 2, Oct 2022

Measurement of mechanical properties of liquid by observing droplet oscillation on substrates
Satoshi Ishida, Mika Iga, Shujiro Mitani and Keiji Sakai
Jpn. J. Appl. Phys., Vol. 61, SG1064, May 2022

波動で測る液体の粘性・弾性
平野太一,美谷周二朗,酒井啓司
日本音響学会誌, 77巻7号, pp. 421-426, Jul 2021

EMSシステムによるインライン連続粘性測定
細田真妃子,山川義和,酒井啓司
超音波TECHNO, 2021年5-6月号, pp. 86-89, May-Jun 2021

Extension of remote distance of electromagnetically spinning viscometer
M.Hosoda, Y.Yamakawa and K.Sakai
Jpn. J. Appl. Phys., Vol. 60, SDDB04, Apr 2021

Introduction to rheometry for researchers of ultrasonics
Keiji Sakai
Jpn. J. Appl. Phys., Vol. 60, SD0801, Apr 2021

Measurement of interfacial properties among fluids by micro-droplets observation
R.Yokota, T.Hirano, S.Mitani, and K.Sakai
Jpn. J. Appl. Phys., Vol. 60, pp. SDDA01 1-3, Feb 2021

Fluidity measurement of human and synthetic analogous bloods using an electromagnetically spinning rheometry system
T.Hirano, S.Mitani, and K.Sakai
Jpn. J. Appl. Phys., Vol. 59, pp. SKKA01 1-4, Mar 2020

Direct observation of micro-droplet dynamics on substrates
R. Yokota, T. Hirano, S. Mitani, and K. Sakai
Appl. Phys. Express, vol. 13, pp. 017001 1-4, Nov 2019

Remote measurement of viscoelasticity by electro-magnetically spinning system
M. Hosoda, T. Hirano, Y. Yamakawa, and K. Sakai
Jpn. J. Appl. Phys., Vol. 58, pp. SGGA01 1-4, Jun 2019

In-vitro evaluation of blood fluidity using an electromagnetically spinning rheometry system
T. Hirano, S. Mitani, and K. Sakai
Jpn. J. Appl. Phys., Vol. 58, pp. SGGA03 1-4, Jun 2019

電磁回転駆動法を用いた革新的回転粘度計の開発と発展
平野太一、美谷周二朗、酒井啓司
Nihon Reoroji Gakkaishi, vol.46, No.2 pp. 53-58, Apr 2018

Dynamic viscoelasticity measurement under alternative torque using electromagnetically spinning method with quadruple electromagnets
Y. Matsuura, T. Hirano, and K. Sakai
Rev. Sci. Instrum., vol. 88, pp. 075101 1-5, Jul 2017

Accurate and fast creep test for viscoelastic fluids using disk-probe-type and quadrupole-arrangement-type electromagnetically spinning systems
T. Hirano and K. Sakai
Appl. Phys. Express, vol. 10, pp. 076602 1-4, Jul 2017

Measurement of surface tension of liquid microdroplets through observation of droplet collision
D. Hayakawa, T. Hirano, S. Mitani, and K. Sakai
Jpn. J. Appl. Phys., Vol. 56, pp. 07JB02 1-3, Jul 2017

Simple and accurate determination of sol-gel phase transition point using disk-type electromagnetically spinning viscosity measurement system
T. Hirano and K. Sakai
Jpn. J. Appl. Phys., Vol. 56, pp. 07JC02 1-3, Jul 2017

Development of RheoSpec Viscometer Based on EMS Method
S. Mitani, M. Hirano, T. Hirano, and K. Sakai
Annu. Trans. Nord. Rheol. Soc., Vol.25, pp. 329-332, Apr 2017

Gas viscosity measurement with diamagnetic-levitation viscometer based on electromagnetically spinning system
Y. Shimokawa, Y. Matsuura, T. Hirano, and K. Sakai
Rev. Sci. Instrum., Vol. 87, pp. 125105 1-4, Dec 2016

Increased blood viscosity in ischemic stroke patients with small artery occlusion measured by an electromagnetic spinning sphere viscometer
K. Furukawa, T. Abumiya, K. Sakai, M. Hirano, T. Osanai, H. Shichinohe, N. Nakayama, K. Kazumata, K. Hida, and K. Houkin
J. Stroke Cerebrovasc. Dis., Vol. 25, pp. 2762-2769, Nov 2016

Measurement of human blood viscosity by an electromagnetic spinning sphere viscometer
K. Furukawa, T. Abumiya, K. Sakai, M. Hirano, T. Osanai, H. Shichinohe, N. Nakayama, K. Kazumata, T. Aida, and K. Houkin
J. Med. Eng. Technol., Vol. 40, pp. 285-292, Jul 2016

Ripplon spectroscopic study on multilayered liquid surface
T. Koga, S. Mitani, and K. Sakai
Jpn. J. Appl. Phys., Vol. 54, pp. 041801 1-7, Mar 2015

Electromagnetically revolving sphere viscometer
M. Hosoda and K. Sakai
Jpn. J. Appl. Phys., Vol. 53, pp. 126602 1-4, Nov 2014

Dynamic surface tension measurement with temporal resolution on microsecond scale
T. Ishiwata, and K. Sakai
Appl. Phys. Express, vol. 7, p.p. 077301 1-4, Jun 2014

Rapid measurement of ultrahigh viscosity using an electro-magnetically spinning system
M. Yasuda, N. Kurauchi, Y. Hara, M. Nakamura, M. Hosoda, T. Hirano, and K. Sakai
Jpn. J. Appl. Phys., Vol. 53, pp. 07KC01 1-3, Jul 2014

Friction torque reduction by ultrasonic vibration and its application to electromagnetically spinning viscometer
Y. Matsuura, T. Hirano, and K. Sakai
Jpn. J. Appl. Phys., Vol. 53, pp. 07KC12 1-4, Jul 2014

Noncontact Manipulation and Delivery Technique for a Spherical Object
T. Hirano, Y. Matsuura, and K. Sakai
Appl. Phys. Express, vol. 6, p.p. 096701 1-4, Sep 2013

Blood viscometer applying electromagnetically spinning method
K. Fukunaga, M. Onuki, Y. Ohtuka, T. Hirano, K. Sakai, Y. Ohgoe, A. Katoh, T. Yaguchi, A. Funakubo, and Y. Fukui
J. Artif. Organs, Vol. 16, pp. 359-367, Sep 2013

Noncontact measurement of liquid-surface properties with knife-edge electric field tweezers technique
Y. Shimokawa and K. Sakai
Phys. Rev. E, Vol. 87, pp. 063009 1-5, Jun 2013

Non-contact acceleration and deceleration of flying micro droplets
T. Ishiwata and K. Sakai
Appl. Phys. Lett., Vol. 101, pp. 244102 1-4 Dec-12

Accurate Viscosity Measurement of Ethanol Solution for Determination of Ultrasonic Relaxation Parameters
M. Hosoda, T. Hirano, and K. Sakai
Jpn. J. Appl. Phys., Vol. 51, pp. 07GA05 1-2 Jul-12

Accurate Viscosity Measurement using Disk-Type Electromagnetically Spinning System
K. Sakai, T. Hirano, and M. Hosoda
Appl. Phys. Express, Vol. 5, pp. 036601 1-3 Mar-12

Spontaneous Ordering of Spherical Particles by Electromagnetically Spinning Method
T. Hirano and K. Sakai
Appl. Phys. Express, Vol. 5, pp. 027301 1-3 Feb-12

Observation of collision and oscillation of microdroplets with extremely large shear deformation
T. Yamada and K. Sakai
Phys. Fluids, Vol. 24, pp. 022103 1-9 Feb-12

Development of revolving drop surface tensiometer
S. Mitani and K. Sakai
Rev. Sci. Instrum., Vol. 83, pp. 015101 1-4, Jan 2012

Measurement of the skin layer in the drying process of a polymer solution
Y. Shimokawa, T. Kajiya, K. Sakai, and M. Doi
Phys. Rev. E, Vol. 84, pp. 051803 1-9, Oct 2011

Low-Viscosity Measurement by Capillary Electromagnetically Spinning Technique
M. Hosoda, T. Hirano, and K. Sakai
Jpn. J. Appl. Phys., Vol. 50, pp. 07HB03 1-3, Jul 2011

Rotational relaxation in diatomic gas at high temperature observed with Brillouin scattering spectroscopy
Y. Minami, T. Yogi, and K. Sakai
J. Opt., Vol. 13, pp. 075708 1-4, Jul 2011

On-demand trajectory control of continuously generated airborne microdroplets
T. Ishiwata and K. Sakai
Appl. Phys. Lett., Vol. 98, pp. 194103 1-3, May 2011,
Virtual Journal of Nanoscale Science & Technology, May 2011