Output increase of conventional thermal power plants by the method of feed water bypassing feed water heaters

by Shuichi UMEZAWA
Published 2014

Improvement of a suction air cooling method for combined cycle power plants using water spray and its application to working plants

by Shuichi UMEZAWA, Katsuhiko SUGITA
Published 2016

Accuracy improvement of a flowmeter for steam and air to be set on the outside of a pipe utilizing a circumferential heater

by Shuichi UMEZAWA, Katsuhiko SUGITA
Published 2020

Cooling and condensation heat transfer and pressure drop of a refrigerant at high pressures in a chevron-type plate heat exchanger with high chevron angle

by Kazushi MIYATA, Yuki YAMASAKI, Kizuku KUROSE, Yoshinori HAMAMOTO, Hideo MORI, Shuichi UMEZAWA
Published 2020

A numerical study of flow pattern in a deteriorated gas turbine under real operating condition

by Koichi YONEZAWA, Masahiro TAKAYASU, Kazuyasu SUGIYAMA, Katsuhiko SUGITA, Shuichi UMEZAWA, Shuichi OMORI
Published 2020

Simulation of unsteady flows through three-stage middle pressure steam turbine in operation

by Akihiro UEMURA, Hironori MIYAZAWA, Takashi FURUSAWA, Satoru YAMAMOTO, Koichi YONEZAWA, Shuichi UMEZAWA, Shuichi OHMORI
Published 2020

Effect of incident angle on ultrasonic transmission in steam flow for use with clamp-on ultrasonic flowmeter

by Hideki MURAKAWA, Shuhei ICHIMURA, Masaki SHIMADA, Katsumi SUGIMOTO, Hitoshi ASANO, Shuichi UMEZAWA, Katsuhiko SUGITA
Published 2020

Water spray spatial distribution by novel optical measurement for cooling suction air of gas turbine and its influence on cooling performance

by Tsuneaki ISHIMA, Asuka TAKATSUKI, Takahiro MIYAOKA, Katsuhiko SUGITA, Shuichi OMORI, Shuichi UMEZAWA, Hisanobu KAWASHIMA
Published 2020