傾斜形波動ポンプの性能向上に関する研究 : 第2報, 傾斜形波動ポンプの性能解析モデルの開発

概要

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A new wave-energy pump has been developed. The pump has an inclinable cylinder and can operate in double-action, that is, water is sucked in and pumped up during both up- and down-reciprocating motions of the float-piston. The pump can effectively make use of horizontal wave force in addition to vertical wave force. In order to establish a new simulation model for the wave-energy pump with inclinable cylinder, authors modified the original simulation models for vertical cylinder type wave-energy pump considering horizontal wave force and side friction force. Pump performance has been discussed in terms of wave periods, pump inclination angles and friction forces. Calculated results using this simulation model agreed with experimental results except higher inclination angles. In consequence, the analytical method used in current study is effectively applied to predict the pump performance and its frictional effects.
1998-01-25