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Dynamics modeling of roller cone bit axial vibration
drilling roller cone bit axial vibration bit wear dynamics modeling
2009/5/8
It has been reported in previous studies that dominant peaks of a power spectrum for roller cone bit axial vibration moved to higher frequencies as the bit tooth wear progressed. This experimental re...
Microbial Population Dynamics Investigation
population transition microbial kinetics birth and death processes
2010/8/11
A rigorous description of the features of the growth of microorganisms in biochemical processes was derived by general population balance modelling. It is assumed that only one property is needed to d...