シリンダ油ドレンによる機関摺動部の状態監視

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  • Condition Monitoring of Diesel Engine by Cylinder Oil Drain Analysis
  • シリンダユ ドレン ニ ヨル キカン シュウドウブ ノ ジョウタイ カンシ

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As marine diesel engine output increases, the combustion chamber will be put under ever more strain. Recently, the catalyst fines of Bunker Fuel Oil by FCC has seriously damaged moving parts and such wear and tear has reportedly affected the safe navigation of ships.<BR>In order to know the wear and tear of moving parts within the combustion chamber, inspection and maintenance are carried out at anchorage; if wear and tear could be studied on board, at sea, such data could improve engine operations and help to prevent engine troubles.<BR>Mitsui O.S.K. Lines has found, as a result of the continuous monitoring and analysis of cylinder oil drain from large-output marine diesel engines, that analyzing such data will allow the continuous monitoring of the wear and tear of moving parts. Consequently, a reduction in the amount of cylinder oil used will contribute to cutting costs.<BR>During the monitoring process, we have tried in various ways to invent a kit which enables easy measurement on board of the concentration of iron powder within cylinder oil drain. We have been successful in developing such a kit using a magnet. We believe that this kit may also be used for monitoring the concentration of iron powder in actuating oil.<BR>We sincerely hope that monitoring wear and tear will secure the safe navigation of ships.

収録刊行物

  • 日本舶用機関学会誌

    日本舶用機関学会誌 35 (7), 472-476, 2000

    公益社団法人 日本マリンエンジニアリング学会

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