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Dive into the research topics where Kunihiko Sasaki is active.

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Featured researches published by Kunihiko Sasaki.


Catalysis Today | 1995

Development of a hybrid catalytic combustor for a 1300°C class gas turbine

Tomiaki Furuya; Kunihiko Sasaki; Yoshio Hanakata; Toshiyuki Ohhashi; Masahiko Yamada; Toshiaki Tsuchiya; Yutaka Furuse

Abstract The hybrid catalytic combustor concept proposed by the authors has an advantage concerned with catalyst durability, because the catalyst is maintained below 1000°C even for application to 1300°C class gas turbines. A full-scale hybrid catalytic combustor has been designed for a 200 MW (1300°C) class gas turbine. The catalyst bed was 450 mm in diameter and consisted of a Pd/ alumina washcoat on a cordierite monolith. In experiments, the combustor has demonstrated the capability of meeting the NO x emission level of SCR (selected catalytic reduction) during atmospheric pressure testing. To predict the catalyst performance at an elevated pressure, the characteristics of the catalyst were studied using a small scale reactor test, and a material property test using a DTA/TGA-Q.MASS system. The catalyst showed a higher activity in the oxidized state (PdO) than in the metallic state (Pd). This activity difference was governed by the equilibrium of the oxygen release from PdO in bulk. It was considered that oxidation rate of the metallic Pd in bulk was not so high and this caused self-oscillation for the Pd catalyst around the temperature of the oxygen release equilibrium. Even below the temperature of the oxygen release equilibrium, both surface and bulk (lattice) oxygen of the PdO was consumed by the methane oxidation reaction, and resulted in a lack of surface oxygen on the catalyst. This caused a reversible decrease in the catalyst activity during combustion testing, and indicated that the oxygen dissociation step was a rate limiting step in the catalytic combustion.


Archive | 2001

OFDM communication system and transmitter-receiver for use in the system

Masahiro Kuwabara; Manabu Sawada; Kunihiko Sasaki


Archive | 2003

Gain control device for packet signal receiver

Kazuoki Matsugatani; Kunihiko Sasaki


Archive | 1997

Disposal method for waste

Yuko Baba; Tomiaki Furuya; Takeshi Gotanda; Kazunari Harada; Masaru Hayashi; Satoshi Kanazawa; Hideo Kitamura; Izuru Komatsu; Masataka Konuma; Masaaki Morita; Naohiko Oyasato; Kunihiko Sasaki; Kimihiro Tadauchi; Yoshiki Tomioka; Motoo Yabuki; 武志 五反田; 佐々木 邦彦; 英夫 北村; 一成 原田; 富明 古屋; 由喜 富岡; 出 小松; 雅敬 小沼; 仁弘 忠内; 正明 森田; 元央 矢吹; 直彦 親里; 悟史 金澤; 優子 馬場


Archive | 2000

Communication system for ofdm and base station and terminal used for it

Masahiro Kuwabara; Kunihiko Sasaki; Manabu Sawada; 佐々木 邦彦; 雅宏 桑原; 学 澤田


Archive | 1999

Method of reclaiming cathodic active material of lithium ion secondary battery

Masaru Hayashi; Fuminobu Tezuka; Yuki Tomioka; Kunihiko Sasaki; Tetsuya Tachibe


Archive | 2005

Parking space detection system

Toshihiro Hattori; Mitsuyasu Matsuura; Hideyuki Morita; Katsumi Nakamura; Kunihiko Sasaki; 克己 中村; 佐々木 邦彦; 敏弘 服部; 充保 松浦; 英之 盛田


Archive | 1997

Method and device for treating mixed waste

Yuko Baba; Tomiaki Furuya; Takeshi Gotanda; Kazunari Harada; Satoshi Kanazawa; Hideo Kitamura; Izuru Komatsu; Naohiko Oyasato; Kunihiko Sasaki; Kimihiro Tadauchi; Koichi Tejima; 武志 五反田; 佐々木 邦彦; 英夫 北村; 一成 原田; 富明 古屋; 出 小松; 仁弘 忠内; 光一 手島; 直彦 親里; 悟史 金澤; 優子 馬場


Archive | 2003

CAR-TO-CAR COMMUNICATION APPARATUS

Kenichiro Imai; Sanetoshi Matsumoto; Kunihiko Sasaki; 謙一郎 今井; 佐々木 邦彦; 真聡 松本


Archive | 2005

Object location detection apparatus

Toshihiro Hattori; Mitsuyasu Matsuura; Hideyuki Morita; Katsumi Nakamura; Kunihiko Sasaki; 克己 中村; 佐々木 邦彦; 敏弘 服部; 充保 松浦; 英之 盛田

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Manabu Sawada

National Institute of Information and Communications Technology

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Masahiro Kuwabara

National Institute of Information and Communications Technology

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