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- W2365321707 abstract "B9M-PDC scraper bits was used as the prototype to establish the bottom hole flow field physical model through transforming the CAD model into CFD model by use of the fluid dynamic calculation software Fluent,the bottom hole flow field was simulated by using k-e two equation models.In the study,the bottom hole flow filed was reasonable.The main performance was that the large effective area of bottom overflow layer and the high speed of the bottom overflow layer increased the ability of cleaning the things;it could further increase the ability of bit-carrying cut things.Reasonable foundations and checking methods to design hydraulic structure of scraper bits are presented." @default.
- W2365321707 created "2016-06-24" @default.
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- W2365321707 date "2009-01-01" @default.
- W2365321707 modified "2023-09-28" @default.
- W2365321707 title "Study on Bottom Hole Flow Field of B9M-PDC Scraper Bit" @default.
- W2365321707 hasPublicationYear "2009" @default.
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