تصفح Mechanical & Industrial Engineering حسب الموضوع "drill strings"
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Influence of Sinusoidal Drive Speed Modulation on Rotor with Continuous Stator Contact
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Torsional vibrations experienced by drill strings can be detrimental to drilling operations. With a goal of understanding torsional vibrations experienced by drill strings and determining means to attenuate undesired ...