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福島第一原子力発電所6号機における液滴衝撃エロージョンによるタービン抽気配管損傷とその対応について
著者:
稲垣 武之,Takeyuki INAGAKI,小林 照明,Teruaki KOBAYASHI,島田 森,Shigeru SHIMADA,井上 龍介,Ryousuke INOUE,薄葉 智,Satoshi USUBA,木村 剛生,Takeo KIMURA
発刊日:
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キーワードタグ:
erosion extraction steam piping liquid drop impingement loss of material turbine rotor replacement
稲垣 武之,Takeyuki INAGAKI,小林 照明,Teruaki KOBAYASHI,島田 森,Shigeru SHIMADA,井上 龍介,Ryousuke INOUE,薄葉 智,Satoshi USUBA,木村 剛生,Takeo KIMURA
発刊日:
公開日:
キーワードタグ:
erosion extraction steam piping liquid drop impingement loss of material turbine rotor replacement
Through wall degradation was found on the extraction steam drain piping of Unit 6 of Fukushima Dai-ichi Nuclear Power Plant owned by Tokyo Electric Power Company after replacement of the turbine rotors with those of higher thermal efficiency. The mechanism of this degradation was loss of material due to liquid drop impingement. Since the estimated life time of the piping based on wall thickness measurements before the replacement was at least 9 years, the rapid wall thinning occurred after the replac...
英字タイトル:
Through wall degradation problem of the turbine extraction steam drain piping due to liquid drop impingement and measures taken for this problem at Fukushima Dai-ichi Nuclear Power Plant Unit 6
英字タイトル:
Through wall degradation problem of the turbine extraction steam drain piping due to liquid drop impingement and measures taken for this problem at Fukushima Dai-ichi Nuclear Power Plant Unit 6