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Dive into the research topics where Sadashi Tanaka is active.

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Featured researches published by Sadashi Tanaka.


International Journal of Refrigeration-revue Internationale Du Froid | 1992

An aerodynamic investigation of a centrifugal compressor for HCFC123

Koji Nakagawa; Sadashi Tanaka; Junichi Kaneko

Abstract A centrifugal compressor was investigated experimentally to improve HCFC123 compression performance. A CFC11 compressor working with HCFC123 shows lower adiabatic head rise, efficiency and volume flow. Another CFC11 compressor working with HCFC123 and a modified impeller shows a result comparable to that when CFC11 is compressed. A tandem impeller is designed to compensate for the volume flow increase for HCFC123. This impeller sufficiently absorbs the volume flow increase and also improves efficiency.


Archive | 2001

Centrifugal fluid machine

Yoshihiro Nagaoka; Sadashi Tanaka; Yukiji Iwase; Michiaki Ida; Hirotoshi Ishimaru; Saburo Iwasaki; Yoshiharu Ueyama; Tetuya Yoshida


Archive | 1999

Large-depth underground drainage facility and method of running same

Kunio Takada; Kenji Otani; Masayuki Yamada; Saburo Maru; Sumio Sudo; Sadashi Tanaka


Archive | 1994

Centrifugal compressor and vaned diffuser

Hideo Nishida; Hiromi Kobayashi; Haruo Miura; Hiroto Yoshikai; Sadashi Tanaka


Archive | 1994

Drainage water pumping station and method for operating the same

Kunio Takada; Kenji Otani; Sadashi Tanaka


Jsme International Journal Series B-fluids and Thermal Engineering | 1994

Experimental and Numerical Analysis of Active Suppression of Centrifugal Compressor Surge by Suction-Side Valve Control

Koji Nakagawa; Mitsuru Fujiwara; Takahiro Nishioka; Sadashi Tanaka; Yasushige Kashiwabara


Archive | 1995

Drainage pump station and drainage operation method for drainage pump station

Sadashi Tanaka; Seiji Miura; Kunio Takada; Masayuki Yamada; Yutaka Shimada; Akira Manabe


Archive | 1995

Centrifugal type fluid machine

Yuuji Nagai; Yoshiharu Ueyama; Setsuo Yazawa; Sadashi Tanaka; Yoshihiro Nagaoka


Archive | 2005

Turbo-type fluid machine and a stepped seal apparatus to be used therein

Shusaku Nabesaka; Sadashi Tanaka; Shinsuke Sakurai


Archive | 2005

Inlet casing and suction passage structure

Yasuhiro Inoue; Takashi Aki; Seiji Kawabata; Sadashi Tanaka

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