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Cavitating and Structured Jets for Mechanical Bits to Increase Drilling Rate—Part II: Experimental Results
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1984
Year
AeroacousticsEngineeringDrilling FluidsLaboratory ExperimentsFluid MechanicsMechanical EngineeringBlastingDrillingAcoustic CavitationNonstructured JetsMechanicsStructured JetsDrilling EngineeringDrilling MechanicsHydrodynamic CavitationPropulsionAerospace Propulsion SystemsSupersonic CombustionMechanical BitsExperimental ResultsCavitating FlowAerodynamics
Analyses of self-excited, resonating jets have been corroborated by laboratory experiments. These structured jets achieved cavitation at greater ambient pressures and showed enhanced erosivity in comparison to the nonstructured jets from conventional drill bit nozzles.