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Transactions of the Japan Society of Mechanical Engineers. B | 1984

Unsteady fluid forces induced by potential flow interactions between turbine stator and rotor.

Tetsuo Nishiyama; Mikio Sasaki

定常じょう乱を有限量,非定常じょう乱を微小量とし,静・動翼面上の定常及び非定常束縛うず分布により非定常ポテンシャル流れを記述した.翼面上の接線流れの条件から導かれる束縛うずを決める連立積分方程式を解くために,若干の近似が導入された.得られた非定常流体力は,静・動翼の間隔,翼厚,ピッチ比及び速度比などとの関連において,既存の数値解と比較吟味され,ハーモニクス成分ごとに本解析結果の信頼性が確認されている.


Transactions of the Japan Society of Mechanical Engineers. B | 1985

Self-excited oscillation of the leading edge cavitation and induced unsteady fluid forces in hydrofoil. (Linearized analysis by singularity method)

Tetsuo Nishiyama; Mariko Shiire


Transactions of the Japan Society of Mechanical Engineers. B | 1987

Hydrodynamic interactions between a spiral casing and guide vanes. (Two-dimensional flow analysis by singularity method)

Tetsuo Nishiyama; Masahito Shinohara


JSME international journal : bulletin of the JSME | 1987

Second Order Correction in Super-Cavitating Hydrofoil Cascade Theory by Singular Perturbation Expansion : Fluids Engineering, Heat Transfer, Combustion, Power, Thermophysical Properties,

Tetsuo Nishiyama; Takeshi Arai


Transactions of the Japan Society of Mechanical Engineers. B | 1986

Time series analysis of symmetrical wedge cavitation (Dynamic behaviour in cavity oscillation region)

Tetsuo Nishiyama; Naoki Matsui; Masaru Sadahiro


Transactions of the Japan Society of Mechanical Engineers. B | 1986

Aerodynamic responses of turbine rotor blade to upstream viscous wake rows. Verification of proposed method of analysis by experiments.

Tetsuo Nishiyama; Ken-ichi Funazaki


Transactions of the Japan Society of Mechanical Engineers. B | 1986

Second order correction in super-cavitating hydrofoil cascade theory by singular perturbation expansion.

Tetsuo Nishiyama; Takeshi Arai


Transactions of the Japan Society of Mechanical Engineers. B | 1985

Unsteady responses of aerofoil- and hycrofoil-cascade to sinusoidal gust.

Tetsuo Nishiyama


Transactions of the Japan Society of Mechanical Engineers. B | 1980

Singularity Representations of Perturbed Flow and Unsteady Characteristics for Oscillating Hydrofoils of Finite Cavity : 2nd Report, Three-Dimensional Unsteady Cavity Flow Model

Tetsuo Nishiyama


Transactions of the Japan Society of Mechanical Engineers. B | 1980

Singularity Representations of Perturbed Flow and Unsteady Characteristics for Oscillating Hydrofoils of Finite Cavity : 3rd Report, Experiments and Comparisons

Tetsuo Nishiyama

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