Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Tomohiko Tsukuda"'
Autor:
Naoki Shibukawa, Michio Ogawa, Hiroshi Okuda, Tadashi Tanuma, Gaku Hashimoto, Kenichi Okuno, Tomohiko Tsukuda
Publikováno v:
Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines.
Unsteady aerodynamic and structural interactive analysis method for design and development of highly efficient low pressure last stage blades and results of its main application on very low load conditions are reported in this paper. Main features of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::922c9c01d38f62d520a875902abfd817
https://doi.org/10.1115/gt2018-76498
https://doi.org/10.1115/gt2018-76498
Autor:
Toshio Hirano, Cori Watson, Brian K. Weaver, Neal R. Morgan, Tomohiko Tsukuda, Houston G. Wood
Publikováno v:
Volume 7A: Structures and Dynamics.
Full three-dimensional CFD simulations are carried out using ANSYS CFX to obtain the detailed flow field and to estimate the rotordynamic coefficients of a labyrinth seal for various inlet swirl ratios. Flow fields in the labyrinth seal with the ecce
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::17151fdab92aa747ca2b27ea26f38478
https://doi.org/10.1115/gt2017-64745
https://doi.org/10.1115/gt2017-64745
Autor:
Sakae Kawasaki, Hiroyuki Kawagishi, Yoshiki Niizeki, Fumio Ootomo, Kenichi Okuno, Koichi Goto, Hashidate Tadayuki, Akihiro Onoda, Hiroshi Saeki, Naoki Shibukawa, Tomohiko Tsukuda
Publikováno v:
TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B. 79:1724-1736
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2c8aab125ec7f4000b5c6a8b6715cc9e
https://doi.org/10.1299/kikaib.79.1724
https://doi.org/10.1299/kikaib.79.1724
Autor:
Hiroshi Saeki, Gaku Hashimoto, Kenichi Okuno, Hiroshi Okuda, Tadashi Tanuma, Naoki Shibukawa, Satoru Yamamoto, Tomohiko Tsukuda
Publikováno v:
Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines.
The aim of this paper is to present some of research results of our current collaborative program to increase steam turbine efficiency with the development of high-performance blade and exhaust hood design methodology using large-scale aerodynamic an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0061bd330fc620e7f762066af269684b
https://doi.org/10.1115/gt2015-43848
https://doi.org/10.1115/gt2015-43848
Publikováno v:
Volume 1B: Marine; Microturbines, Turbochargers and Small Turbomachines; Steam Turbines.
Experimental investigation with a full scale low pressure steam turbine is carried out to reveal the thermal wetness loss. This paper focuses on thermal wetness loss of the last stage in a six-stage low pressure turbine. The temperature of superheati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::11f7552c0303a7e3da31f812ce7c3613
https://doi.org/10.1115/gt2014-26012
https://doi.org/10.1115/gt2014-26012
Autor:
Naoki Shibukawa, Xiaofeng Zhu, Yoshiki Niizeki, Xin Yuan, Tadashi Tanuma, Zhirong Lin, Tomohiko Tsukuda
Publikováno v:
Volume 5B: Oil and Gas Applications; Steam Turbines.
The present paper proposes an Eulerian-Eulerian two-phase model for non-equilibrium condensing flow in steam turbines. This model is especially suitable for upwind finite volume scheme. An approximate Roe type flux using real water/vapor property is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7f094ea4dcc8cc063e9c6a0093cf9eb9
https://doi.org/10.1115/gt2013-95047
https://doi.org/10.1115/gt2013-95047
Autor:
Tomohiko Tsukuda1 tomohiko.tsukuda@toshiba.co.jp, Toshio Hirano1 toshio1.hirano@toshiba.co.jp, Watson, Cori2 cw2xw@virginia.edu, Morgan, Neal R.2 nrm6dr@virginia.edu, Weaver, Brian K.2 bkw3q@virginia.edu, Wood, Houston G.2 hgw9p@virginia.edu
Publikováno v:
Journal of Engineering for Gas Turbines & Power. Aug2018, Vol. 140 Issue 8, p1-10. 10p.
Autor:
Tomohiko Tsukuda, Hashidate Tadayuki, Naoki Shibukawa, Koichi Goto, Tsuguhisa Tashima, Hiroyuki Kawagishi
Publikováno v:
Volume 6: Oil and Gas Applications; Concentrating Solar Power Plants; Steam Turbines; Wind Energy.
Efficiencies of 60Hz full size test turbines were measured in various wet steam conditions to reveal the wetness impact on the performance. We changed the wetness and stage load conditions independently under the condition of constant steam mass flow
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ba3a29d00aa120dc0c312b3df08afc0f
https://doi.org/10.1115/gt2012-70056
https://doi.org/10.1115/gt2012-70056
Autor:
Tomohiko Tsukuda, Koichi Goto, Tatsuro Uchida, Naoki Shibukawa, Hiroyuki Kawagishi, Hashidate Tadayuki
Publikováno v:
Volume 6: Oil and Gas Applications; Concentrating Solar Power Plants; Steam Turbines; Wind Energy.
Detail flow characteristics of an actual size low pressure steam turbine stages under real operating conditions were examined in this paper. The main purpose of the experimental work was to obtain the radial distribution of the velocity triangles in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::466cfaca4410c28d41f34818ce5c19ce
https://doi.org/10.1115/gt2012-69613
https://doi.org/10.1115/gt2012-69613
Autor:
Tomohiko Tsukuda, Yoshinari Fukui, Naoki Shibukawa, Hiroshi Okuda, Kenichi Okuno, Tadashi Tanuma, Gaku Hashimoto
Publikováno v:
The Proceedings of The Computational Mechanics Conference. :397-398
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::491b09968ba2f5549224e9dbef9d55c5
https://doi.org/10.1299/jsmecmd.2014.27.397
https://doi.org/10.1299/jsmecmd.2014.27.397