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R. J. Hansen
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Journal Articles

The Negative Information Problem in Mechanical Diagnostics

D. L. Hall, R. J. Hansen, D. C. Lang
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. April 1997, 119(2): 370–377.
https://doi.org/10.1115/1.2815584
Published Online: April 1, 1997
View Article titled, The Negative Information Problem in Mechanical Diagnostics
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Topics: Acoustics, Artificial intelligence, Artificial neural networks, Design, Emissions, Engineering disciplines, Expert systems, Failure, Fuzzy logic, Gas turbines
Journal Articles

A New Approach to the Challenge of Machinery Prognostics

R. J. Hansen, D. L. Hall, S. K. Kurtz
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. April 1995, 117(2): 320–325.
https://doi.org/10.1115/1.2814097
Published Online: April 1, 1995
View Article titled, A New Approach to the Challenge of Machinery Prognostics
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Topics: Bearings, Computer simulation, Crack propagation, Dynamic models, Errors, Failure, Failure mechanisms, Fatigue cracks, Fracture (Materials), Fracture (Process)
Journal Articles

Laminar-To-Turbulent Transition on a Body of Revolution With an Extended Favorable Pressure Gradient Forebody

R. J. Hansen, J. G. Hoyt
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. June 1984, 106(2): 202–210.
https://doi.org/10.1115/1.3243103
Published Online: June 1, 1984
View Article titled, Laminar-To-Turbulent Transition on a Body of Revolution With an Extended Favorable Pressure Gradient Forebody
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Topics: Pressure gradient, Turbulence, Boundary layers, Surface roughness, Drag (Fluid dynamics), Flow (Dynamics), Fluid-dynamic forces, Pressure, Probes, Reynolds number
Journal Articles

Closure to “Discussions of ‘An Experimental Study of the Flow-Induced Motions of a Flexible Cylinder in Axial Flow’” (1979, ASME J. Fluids Eng., 101, pp. 292–293)

C. C. Ni, R. J. Hansen
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Discussions
J. Fluids Eng. June 1979, 101(2): 293.
https://doi.org/10.1115/1.3448964
Published Online: June 1, 1979
View Article titled, Closure to “Discussions of ‘An Experimental Study of the Flow-Induced Motions of a Flexible Cylinder in Axial Flow’” (1979, ASME J. Fluids Eng., 101, pp. 292–293)
Open the PDF for Closure to “Discussions of ‘An Experimental Study of the Flow-Induced Motions of a Flexible Cylinder in Axial Flow’” (1979, ASME J. Fluids Eng., 101, pp. 292–293) in another window
Topics: Cylinders, Flow (Dynamics), Fluids
Journal Articles

An Experimental Study of the Flow-Induced Motions of a Flexible Cylinder in Axial Flow

C. C. Ni, R. J. Hansen
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. December 1978, 100(4): 389–394.
https://doi.org/10.1115/1.3448697
Published Online: December 1, 1978
View Article titled, An Experimental Study of the Flow-Induced Motions of a Flexible Cylinder in Axial Flow
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Topics: Axial flow, Cylinders, Flow (Dynamics), Displacement, Emission spectroscopy, Mechanical properties, Sensors, Spectral energy distribution, Spectroscopy, Stochastic processes
Journal Articles

The Reduced Drag of Polymer Solutions in Turbulent and Transient Laminar Shear Flows

R. J. Hansen
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. March 1973, 95(1): 23–28.
https://doi.org/10.1115/1.3446953
Published Online: March 1, 1973
View Article titled, The Reduced Drag of Polymer Solutions in Turbulent and Transient Laminar Shear Flows
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Topics: Drag (Fluid dynamics), Polymer solutions, Shear flow, Transients (Dynamics), Turbulence, Boundary layer turbulence, Density, Drag reduction, Flat plates, Fluids