About OGAWA KAZUHIKO
About cavitation
About noise control
About butterfly valve
About fin (machine element)
About flow visualization
About interference
About pipe flow
About pressure loss
About numerical analysis
About velocity vector
About suppression and control
About 流れの干渉
About Film flows,liquid drops,bubbles,cavitation
About フィン
About バタフライ弁
About キャビテーション
About 騒音
About 弁軸
About 直角方向