東大生研 基礎系部門/東大工学系研究科 物理工学専攻
“世界初&酒井発”の計測技術で、液体やソフトマテリアルの物性評価に挑み続けます。

 2011年〜現在までの論文リスト

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

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