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Dive into the research topics where Mitsunori Uchida is active.

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Featured researches published by Mitsunori Uchida.


Optics Letters | 2012

Combined velocity and temperature imaging of gas flow in an engine cylinder

Satoshi Someya; Yasuhiro Okura; Mitsunori Uchida; Yoshihisa Sato; Koji Okamoto

A combined velocity and temperature measurement method using a high-speed camera, a pulsed UV laser, and temperature-sensitive phosphor particles is proposed. The temperature was calculated from the phosphorescence lifetime, while the velocity was obtained from images of the phosphor particles during a single decay. This method was applied to in-cylinder measurements of gas flow at high temperatures under motoring conditions. Tumble flow was observed at the top dead center. The temperature-change dependence on the crank angle agrees qualitatively with the gas temperature and the pressure.


International Journal of Heat and Mass Transfer | 2011

Lifetime-based phosphor thermometry of an optical engine using a high-speed CMOS camera

Satoshi Someya; Mitsunori Uchida; Kaoru Tominaga; Hayato Terunuma; Yanrong Li; Koji Okamoto


Journal of Visualization | 2011

Entrained droplets in underexpanded gas jet in water

Satoshi Someya; Mitsunori Uchida; Yan Rong Li; Hiroyuki Ohshima; Koji Okamoto


Journal of Flow Visualization and Image Processing | 2010

VISUALIZATION OF SURFACE TEMPERATURE BY THE LIFETIME-BASED PHOSPHOR THERMOMETRY USING A HIGH-SPEED CAMERA

Satoshi Someya; Mitsunori Uchida; Keiko Ishii; Kaoru Tominaga; Yanrong Li; Koji Okamoto


Volume 3: Combustion, Fire and Reacting Flow; Heat Transfer in Multiphase Systems; Heat Transfer in Transport Phenomena in Manufacturing and Materials Processing; Heat and Mass Transfer in Biotechnology; Low Temperature Heat Transfer; Environmental Heat Transfer; Heat Transfer Education; Visualization of Heat Transfer | 2009

Preliminary Experiments With an Underexpanded Gas Jet Into Water

Mitsunori Uchida; Satoshi Someya; Koji Okamoto; Hiroyuki Ohshima


Transactions of the Japan Society of Mechanical Engineers. B | 2009

高速度カメラと燐光感温粒子を用いた寿命法による温度速度計測(流体工学,流体機械)

Satoshi Someya; Mitsunori Uchida; Keiko Ishii; Kaoru Tominaga; Yanrong Li; Koji Okamoto


JOURNAL OF THE FLOW VISUALIZATION SOCIETY OF JAPAN | 2012

Advanced Heat and Flow Visualization: Temperature Sensitive Particles

Satoshi Someya; Koji Okamoto; Yasuhiro Okura; Hirohide Furutani; Mitsunori Uchida; Hayato Terunuma; Kaoru Tominaga; Daisuke Ochi; Keiko Ishii; Yanrong Li


Transactions of the Japan Society of Mechanical Engineers. B | 2011

Combined Measurement of Temperature and Velocity of a Gaseous Flow in an Optical Engine Using Phosphor Particles

Satoshi Someya; Mitsunori Uchida; Yasuhiro Okura; Yoshihisa Sato; Koji Okamoto


Transactions of the Japan Society of Mechanical Engineers. B | 2010

高速度カメラを用いた燐光寿命法による可視化エンジン内壁面温度分布計測(流体工学,流体機械)

Satoshi Someya; Mitsunori Uchida; Yasuhiro Okura; Yanrong Li; Koji Okamoto


Transactions of the Japan Society of Mechanical Engineers. B | 2009

水中に噴出する高圧ガスの不足膨張噴流に関する研究(流体工学,流体機械)

Satoshi Someya; Mitsunori Uchida; Akihiro Uchibori; Hiroyuki Ohshima; Yanrong Li; Koji Okamoto

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Satoshi Someya

National Institute of Advanced Industrial Science and Technology

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Hiroyuki Ohshima

Japan Atomic Energy Agency

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Hayato Terunuma

National Institute of Advanced Industrial Science and Technology

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Akihiro Uchibori

Japan Atomic Energy Agency

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Hirohide Furutani

National Institute of Advanced Industrial Science and Technology

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