等角写像法による前縁キャビテーションを伴う遠心羽根車の特性解析

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概要

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• The characteristics of a centrifugal impeller under a condition with leading edge cavitation are analyzed by using conformal mapping methods. It is assumed that the thickness of the cavity is small, and linear cavity models are used. Concerning the treatment of the Bernoulli equation, two different models are considered. The first one is based on a full Bernoulli equation in a rotating frame. In the second model, the Bernoulli equation is linearized on the assumption that the disturbance due to cavity is small. The second model predicts shorter cavity, but the differences in the pressure distribution and in the head coefficient are small for the conditions with the same cavity length. The results of the first model are in general agreement with those by a singularity method and experiments.

• 一般社団法人日本機械学会の論文
• 1986-08-25

著者

• Acosta Allan.j.

  California Institute Of Technology

• BRENNEN Christopher.E.

  California Institute of Technology

• BRENNEN Christopher

  California Institute of Technology

• Brennen C

  California Inst. Technol. California Usa

関連論文

• ボリュート中でふれまわりながら回転する遠心羽根車に働く流体力の理論的研究
• 遠心羽根車あるいはべーンレスディフューザに起因する旋回失速と羽根車のふれ回り安定性に対する影響の理論解析
• 等角写像法による前縁キャビテーションを伴う遠心羽根車の特性解析
• A Theoretical Study of Impeller and/or Vaneless Diffuser Attributed Rotating Stalls and Their Effects on the Whirling Instability of a Centrifugal Impeller : Series B : Fluids Engineering, Heat Transfer, Combustion, Power, Thermophysical Properties
• Analysis of the Characteristics of a Centrifugal Impeller with Leading Edge Cavitation by Mapping Methods

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