Design optimization of a coal seam annular air reverse circulation bit

Design optimization of a coal seam annular air reverse circulation bit

Abstract Reverse circulation (RC) drilling technology enables the rapid acquisition of coal seam samples, which is crucial in accurately measuring gas content. In addition, the design of the drill bit plays a key role in RC sampling. In this study, the turbulence model and simulation method applied...

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Bibliographic Details
Main Authors: Demin Chen, Baohua Qu, Wei Long, Yanyan Li
Format: Article
Language:English
Published: Wiley 2023-06-01
Series:Energy Science & Engineering
Subjects:
bit
coal seam
computational fluid dynamics
orthogonal design
reverse circulation
Online Access:https://doi.org/10.1002/ese3.1432

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