Numerical and experimental investigations of unsteay 3-D Wet-steam flows through two-stage stator-rotor cascade channels

Satoru Yamamoto, Yasuhiro Sasao, Hiroto Kato, Hiroshi Satsuki, Hiroharu Ooyama, Kouichi Ishizaka

研究成果: Conference contribution

25 被引用数 (Scopus)

抄録

Unsteady 3-D flows through two-stage stator-rotor cascade channels in a low-pressure steam turbine model developed by Mitsubishi Heavy Industry(MHI) are numerically and experimentally investigated assuming dry and wet-steam conditions. The fundamental equations for condensate flows derived by the authors are applied to the present flow computations. The high-order high-resolution finite-difference method based on the fourth-order compact MUSCL TVD(Compact MUSCL) scheme and the Roe's approximate Riemann solver are used for the space discretization of convection terms. The pipelined LU-SGS scheme optimized for the parallel-implicit time-integration is also employed. MHI measured the total pressures, static pressures and yaw angles of flow velocity vectors at the outlet of first-stage rotor, second-stage stator, and second-stage rotor. The calculated results are compared with the experimental results. In addition, unsteady condensate mass fractions are numerically visualized and the influence of wakes and secondary vortices to the condensation is discussed.

本文言語English
ホスト出版物のタイトルASME Turbo Expo 2010
ホスト出版物のサブタイトルPower for Land, Sea, and Air, GT 2010
ページ2257-2265
ページ数9
PARTS A, B, AND C
DOI
出版ステータスPublished - 2010 12 1
イベントASME Turbo Expo 2010: Power for Land, Sea, and Air, GT 2010 - Glasgow, United Kingdom
継続期間: 2010 6 142010 6 18

出版物シリーズ

名前Proceedings of the ASME Turbo Expo
番号PARTS A, B, AND C
7

Other

OtherASME Turbo Expo 2010: Power for Land, Sea, and Air, GT 2010
国/地域United Kingdom
CityGlasgow
Period10/6/1410/6/18

ASJC Scopus subject areas

  • 工学(全般)

フィンガープリント

「Numerical and experimental investigations of unsteay 3-D Wet-steam flows through two-stage stator-rotor cascade channels」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

引用スタイル