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Dive into the research topics where Yoshiaki Watanabe is active.

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Featured researches published by Yoshiaki Watanabe.


INTERNATIONAL CONGRESS ON ULTRASONICS: Gdańsk 2011 | 2012

One factor of resonant wavelength shift from onewavelength to two-wavelength resonance in loop-tube-type thermoacoustic cooling system

Shin-ichi Sakamoto; Kenji Shibata; Yuji Kitadani; Yoshitaka Inui; Yoshiaki Watanabe

Results of this study show that the resonant wavelength of the sound generated in a loop-tube-type thermoacoustic cooling system shifts from one-wavelength to two-wavelength resonance during system operation. The effect of the viscous boundary layer upon the resonant wavelength shift is discussed. The viscous boundary layer thickness is always less than the stack channel radius because the loop tube increases the resonance frequency and shifts the resonant wavelength from one-wavelength to two-wavelength resonance, which reduces the influence of viscosity and allows the loop tube to maintain the thermoacoustic self-sustained sound.


Archive | 2007

THIN FILM PRODUCING METHOD AND HEXAGONAL PIEZOELECTRIC THIN FILM PRODUCED THEREBY

Hidetoshi Nishio; Yoshikazu Mori; Yoshitaka Tsurukame; Takayuki Kawamoto; Yoshiaki Watanabe; Takahiko Yanagitani


Archive | 2006

Cooling system and automobile

Tetsuo Kato; Kunio Komori; Shin-ichi Sakamoto; Yoshiaki Watanabe; 徹夫 加藤; 眞一 坂本; 国生 小森; 好章 渡辺


Archive | 2007

Method for producing meat processed food

Shigeki Harada; Noburo Takanashi; Yoshiaki Watanabe; 成喜 原田; 好章 渡辺; 伸郎 高梨


Archive | 2005

Thin Film Producing Method

Yoshiaki Watanabe; Takahiko Yanagitani


Archive | 2006

Method for production of thin film, and hexagonal piezoelectric thin film produced by the method

Takayuki Kawamoto; Yoshikazu Mori; Hidetoshi Nishio; Yoshitaka Tsurukame; Yoshiaki Watanabe; Takahiko Yanagiya; 貴之 川本; 隆彦 柳谷; 嘉一 森; 好章 渡辺; 英俊 西尾; 宜崇 鶴亀


IEICE Technical Report; IEICE Tech. Rep. | 2016

A basic study about coaxial thermoacoustic system -- Performance comparison with looped-tube thermoacoustic system

Ayumu Kakuda; Shin-ichi Sakamoto; Kazuma Akamatsu; Yoshiaki Watanabe


Archive | 2014

Basic study on inset position of stack in the system with branch tubes for applying thermoacoustic silencer to multi cylinder engine muffler

Shin-ichi Sakamoto; Satoshi Kawamoto; Yuichiro Oriono; Yoshitaka Ota; Yoshitaka Inui; Yoshiaki Watanabe


Proceedings of Symposium on Ultrasonic Electronics | 2013

3P4-18 Factor of resonance mode control on a thermoacoustic system : Determination of acoustics by forced oscillation(Poster Session)

Manabu Inoue; Shin-ichi Sakamoto; Yosuke Nakano; Yoshiaki Watanabe


Archive | 2013

Fundamental Study of a Loop-Tube-Type Thermoacoustic Heating System

Shin-ichi Sakamoto; Yoshiaki Watanabe

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