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- W2220237551 abstract "This paper provi des a rrat he mat i cal rrodel and numer ical method for predicting the vel oci ty and terrperature fields in the mud flows at the surface of a POC (Polycrystalline Diamond Corrpact) bit. A 8″ (21.59 cm) crown type POC-R bit is used as an example. The compl ex configuration of the POC bit surface is resd ved nurrerically usi ng body-fitting coordi nates and the cutters are simpli field as drag elements in the momentum equations and as heat source in the energy equation. The finite volurre rrethod is used to discretize the momentum and energy equations for the non-Newtonian flow. The nurrerical results effectively predict the flow structure and temperature field which can be used to design and optimize the POC bit." @default.
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- W2220237551 date "1998-06-01" @default.
- W2220237551 modified "2023-09-24" @default.
- W2220237551 title "Three-dimensional numerical prediction of the flow and temperature field at the surface of a PDC bit" @default.
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