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Journal Articles

Rotordynamic Characterization of Tilting-Pad Bearings With Eight Pads in Vertical Rotors

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David Rondon, Gudeta Berhanu Benti, Jan-Olov Aidanpää, Rolf Gustavsson
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. January 2022, 144(1): 012111.
Paper No: JERT-21-1485
https://doi.org/10.1115/1.4051803
Published Online: August 4, 2021
View Articletitled, Rotordynamic Characterization of Tilting-Pad Bearings With Eight Pads in Vertical Rotors
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Topics: Bearings, Damping, Rotors, Stiffness, Stress
Journal Articles

A Numerical Study Into the Use of Auxectic Structures for Structural Damping in Composite Sandwich Core Panels for Wind Turbine Blades

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Seher Ahsan Khalid, Abdul Munem Khan, Owaisur Rahman Shah
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. March 2022, 144(3): 031301.
Paper No: JERT-21-1278
https://doi.org/10.1115/1.4051303
Published Online: June 17, 2021
View Articletitled, A Numerical Study Into the Use of Auxectic Structures for Structural Damping in Composite Sandwich Core Panels for Wind Turbine Blades
Open the PDF for A Numerical Study Into the Use of Auxectic Structures for Structural Damping in Composite Sandwich Core Panels for Wind Turbine Blades in another window
Topics: Damping, Plates (structures), Vibration, Wind turbines, Honeycomb structures, Blades, Weight (Mass), Stiffness
Journal Articles

Drill String Torsional Vibrations Modeling With Dynamic Drill Pipe Properties Measurement and Field Validation

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Farouk Said Boukredera, Ahmed Hadjadj, Mohamed Riad Youcefi
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Technical Briefs
J. Energy Resour. Technol. February 2022, 144(2): 024502.
Paper No: JERT-21-1108
https://doi.org/10.1115/1.4051299
Published Online: June 15, 2021
View Articletitled, Drill String Torsional Vibrations Modeling With Dynamic Drill Pipe Properties Measurement and Field Validation
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Topics: Drill strings, Drilling, Drills (Tools), Dynamics (Mechanics), Modeling, Pipes, Vibration, Friction, Stick-slip, Rocks
Journal Articles

Revisiting Theoretical Limits for One Degree-of-Freedom Wave Energy Converters

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Nathan M. Tom
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. September 2021, 143(9): 090909.
Paper No: JERT-20-1777
https://doi.org/10.1115/1.4049287
Published Online: January 22, 2021
View Articletitled, Revisiting Theoretical Limits for One Degree-of-Freedom Wave Energy Converters
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Topics: Absorption, Damping, Degrees of freedom, Displacement, Floating bodies, Flow (Dynamics), Oscillations, Radiation (Physics), Resonance, Springs
Journal Articles

Kick Detection Using Downhole Accelerometer Data

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Robello Samuel
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. August 2020, 142(8): 082901.
Paper No: JERT-19-1193
https://doi.org/10.1115/1.4046939
Published Online: May 26, 2020
View Articletitled, Kick Detection Using Downhole Accelerometer Data
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Topics: Accelerometers, Damping, Fluids, Sensors, Vibration, Drilling, Viscosity, String
Journal Articles

Practical Approach to Functional Testing and Analytical Modeling of Axial Oscillation-Supported Drillstrings

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Emmanuel Omojuwa, Ramadan Ahmed, James Acquaye
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research-Article
J. Energy Resour. Technol. September 2019, 141(9): 092906.
Paper No: JERT-18-1720
https://doi.org/10.1115/1.4043245
Published Online: April 4, 2019
View Articletitled, Practical Approach to Functional Testing and Analytical Modeling of Axial Oscillation-Supported Drillstrings
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Topics: Damping, Displacement, Drill strings, Flow (Dynamics), Oscillations, Springs, Testing, Friction, Excitation, Modeling
Journal Articles

Estimation of Relative Permeability and Capillary Pressure for PUNQ-S3 Model Using a Modified Iterative Ensemble Smoother

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Zhaoqi Fan, Daoyong Yang, Di Chai, Xiaoli Li
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research-Article
J. Energy Resour. Technol. February 2019, 141(2): 022901.
Paper No: JERT-18-1218
https://doi.org/10.1115/1.4041406
Published Online: September 26, 2018
View Articletitled, Estimation of Relative Permeability and Capillary Pressure for PUNQ-S3 Model Using a Modified Iterative Ensemble Smoother
Open the PDF for Estimation of Relative Permeability and Capillary Pressure for PUNQ-S3 Model Using a Modified Iterative Ensemble Smoother in another window
Topics: Algorithms, Permeability, Pressure, Damping, Water
Journal Articles

Maximum Wave Energy Conversion by Two Interconnected Floaters

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Siming Zheng, Yongliang Zhang, Wanan Sheng
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research-Article
J. Energy Resour. Technol. May 2016, 138(3): 032004.
Paper No: JERT-15-1318
https://doi.org/10.1115/1.4032793
Published Online: March 11, 2016
View Articletitled, Maximum Wave Energy Conversion by Two Interconnected Floaters
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Topics: Absorption, Damping, Inertia (Mechanics), Wave energy, Waves, Stiffness, Rotational inertia, Displacement
Journal Articles

A Novel Approach to Dynamic Representation of Drill Strings in Test Rigs

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M. A. Elsayed
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. December 2007, 129(4): 281–288.
https://doi.org/10.1115/1.2790979
Published Online: May 7, 2007
View Articletitled, A Novel Approach to Dynamic Representation of Drill Strings in Test Rigs
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Topics: Damping, Drill strings, Stability, Vibration, Displacement
Journal Articles

The Effect of Dynamical Parameters on Precession in Rotary Drilling

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A. The´ron, E. de Langre, Mem. ASME, C. Putot
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Technical Papers
J. Energy Resour. Technol. September 2001, 123(3): 181–186.
https://doi.org/10.1115/1.1383974
Published Online: April 10, 2001
View Articletitled, The Effect of Dynamical Parameters on Precession in Rotary Drilling
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Topics: Damping, Drill strings, Drilling, Flight, Friction, Rotation, Stability, Stiffness, Vibration, Wear
Journal Articles

Chaotic and Random Whirling Motion of Drillstrings

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S. J. Kotsonis, P. D. Spanos
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Technical Papers
J. Energy Resour. Technol. December 1997, 119(4): 217–222.
https://doi.org/10.1115/1.2794993
Published Online: December 1, 1997
View Articletitled, Chaotic and Random Whirling Motion of Drillstrings
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Topics: Drill strings, Whirls, Damping, Design, Differential equations, Excitation, Fluids, Stochastic processes, Vibration, Weight (Mass)
Journal Articles

Bottom-Hole Assembly Modeling and Dynamic Response Determination

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P. D. Spanos, M. L. Payne, C. K. Secora
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Technical Papers
J. Energy Resour. Technol. September 1997, 119(3): 153–158.
https://doi.org/10.1115/1.2794983
Published Online: September 1, 1997
View Articletitled, Bottom-Hole Assembly Modeling and Dynamic Response Determination
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Topics: Dynamic response, Manufacturing, Modeling, Drill strings, Damping, Drilling, Dynamics (Mechanics), Failure, Fluids, Transfer functions
Journal Articles

Effect of Process Damping on Longitudinal Vibrations in Drillstrings

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M. A. Elsayed, R. L. Wells, D. W. Dareing, K. Nagirimadugu
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. June 1994, 116(2): 129–135.
https://doi.org/10.1115/1.2906017
Published Online: June 1, 1994
View Articletitled, Effect of Process Damping on Longitudinal Vibrations in Drillstrings
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Topics: Damping, Drill strings, Vibration, Stability, Shock absorbers, Cutting, Drag (Fluid dynamics), Drilling
Journal Articles

Dynamic Coupled Fluid-Structure Interaction Analysis of Flexible Floating Platforms

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P. V. Thangam Babu, D. V. Reddy
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. December 1986, 108(4): 297–304.
https://doi.org/10.1115/1.3231280
Published Online: December 1, 1986
View Articletitled, Dynamic Coupled Fluid-Structure Interaction Analysis of Flexible Floating Platforms
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Topics: Boundary-value problems, Cavitation, Computer software, Damping, Drilling, Dynamic response analysis, Earthquakes, Equations of motion, Equilibrium (Physics), Excitation
Journal Articles

Development of a Scale Model for the Dynamic Interaction of a Pile in Clay

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D. D. Kana, L. Boyce, G. W. Blaney
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. September 1986, 108(3): 254–261.
https://doi.org/10.1115/1.3231274
Published Online: September 1, 1986
View Articletitled, Development of a Scale Model for the Dynamic Interaction of a Pile in Clay
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Topics: Analytical design, Damping, Design, Dynamic response, Elasticity, Engineering prototypes, Excitation, Frequency response, Materials properties, Mode shapes
Journal Articles

Time Domain Simulation of Ship Steering Gear Control Systems

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R. E. Reid, J. Y. Zheng
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. March 1986, 108(1): 84–90.
https://doi.org/10.1115/1.3231246
Published Online: March 1, 1986
View Articletitled, Time Domain Simulation of Ship Steering Gear Control Systems
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Topics: Control systems, Gears, Ships, Simulation, Control equipment, Pumps, Compressibility, Computer simulation, Damping, Flow (Dynamics)
Journal Articles

Nonlinear Inverse Perturbation in Structural Dynamics Redesign of Risers

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M. M. Bernitsas, C. J. Hoff, J. E. Kokarakis
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. June 1985, 107(2): 256–263.
https://doi.org/10.1115/1.3231186
Published Online: June 1, 1985
View Articletitled, Nonlinear Inverse Perturbation in Structural Dynamics Redesign of Risers
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Topics: Pipeline risers, Risers (Casting), Structural dynamics, Marine drilling risers, Offshore structures, Damping, Density, Drilling, Finite element analysis, Geometry
Journal Articles

A Note on the Added Mass and Wave Damping of a Column With Circular Footing

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G. P. Miao, Y. Z. Liu, J. S. Chung
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. June 1985, 107(2): 235–237.
https://doi.org/10.1115/1.3231182
Published Online: June 1, 1985
View Articletitled, A Note on the Added Mass and Wave Damping of a Column With Circular Footing
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Topics: Damping, Footings (Construction), Waves
Journal Articles

Determination of Fluid Damping Using Random Excitation

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J. C. S. Yang, C. H. Marks, J. Jiang, D. Chen, A. Elahi, W-H. Tsai
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. June 1985, 107(2): 220–225.
https://doi.org/10.1115/1.3231180
Published Online: June 1, 1985
View Articletitled, Determination of Fluid Damping Using Random Excitation
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Topics: Damping, Fluids, Random excitation, Water, Circular cylinders
Journal Articles

The Development and Testing of a Wave-Activated Navigation Buoy With a Wells Turbine

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T. J. T. Whittaker, F. A. McPeake, A. G. Barr
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. June 1985, 107(2): 268–273.
https://doi.org/10.1115/1.3231188
Published Online: June 1, 1985
View Articletitled, The Development and Testing of a Wave-Activated Navigation Buoy With a Wells Turbine
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Topics: Buoys, Navigation, Testing, Turbines, Waves, Wells, Design, Water, Damping, Generators