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Technical Committee on Ultrasonics (US)
Chair: Yoshikazu Koike (Shibaura Inst. of Tech.)
Vice Chair: Hikaru Miura (Nihon Univ.), Kentaro Nakamura (Tokyo Inst. of Tech.)
Secretary: Mototaka Arakawa (Tohoku Univ.), Shinnosuke Hirata (Chiba Univ.)
Assistant: Shin Yoshizawa (Tohoku Univ.)

DATE:
Fri, Aug 27, 2021 13:30 - 16:50

PLACE:

TOPICS:
Underwater acoustics, Ultrasonics, etc.

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Fri, Aug 27 PM (13:30 - 16:50)
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(1) 13:30 - 13:55
Observation of gravity flow with acoustic sensors on deep seafloor
-- Characteristic signal and peculiar signal --
Ryoichi Iwase (JAMSTEC)

(2) 13:55 - 14:20
(See Japanese page.)

(3) 14:20 - 14:45
Transportation of powder by two-phase drive of ultrasound transducers.
Natsumi Nakaoka, Daisuke Koyama (Doshisha Univ.)

----- Free discussion + Break ( 25 min. ) -----

(4) 15:10 - 15:35
Evaluation of reflected waveform from obstacles on the road surface
Yuki Tan (Titech), Shinnosuke Hirata (Chiba Univ.), Hiroyuki hachiya (Titech)

(5) 15:35 - 16:00
Evaluation of ultrasonic transmission and scattering characteristics of cancellous-bone mimicking cylindrical model based on FDTD method
Yun-Feng Lu, Takeshi Goda, Marie Tabaru (Tokyo Tech), Shinnosuke Hirata (Chiba Univ.)

(6) 16:00 - 16:25
Preliminary study on the frequency dependence of the speed of sound of > rat organs
Mai Ino, Kazuma Noguchi, Suguru Seto (Chiba Univ.), Masaaki Omura (Univ. of Toyama, Chiba Univ.), Kazuki Tamura (Hamamastu Univ. Sch. of Med.), Shinnosuke Hirata, Kenji Yoshida, Tadashi Yamaguchi (Chiba Univ.)

(7) 16:25 - 16:50
Ultrasonic vectoral Doppler observations of human soft tissue motion and blood flow
Chikayoshi Sumi (Sophia Univ)

# Information for speakers
General Talk will have 20 minutes for presentation and 5 minutes for discussion.

# CONFERENCE SPONSORS:
- This conference is co-sponsored by ASJ；Technical Committee on Ultrasonic and Underwater Acoustics, IEEE UFFC Society Japan Chapter.

=== Technical Committee on Ultrasonics (US) ===
# FUTURE SCHEDULE:

Fri, Sep 24, 2021: Online [Tue, Jul 13], Topics: Photoacoustics, Ultrasound in medicine, Ultrasonics, etc.
Fri, Nov 26, 2021: Online [Tue, Sep 14], Topics: Ultrasonics, etc.

# SECRETARY:
Mototaka Arakawa （Tohoku Univ.)
TEL: 022-795-7079
E-mail: a