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John D. Hedengren
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Journal Articles

Disaster Reconnaissance Using Multiple Small Unmanned Aerial Vehicles

Jeffrey C. Derricott, Jacob B. Willis, Cameron K. Peterson, Kevin W. Franke, John D. Hedengren
Journal: Mechanical Engineering
Article Type: Select Article
Mechanical Engineering. June 2019, 141(06): S7–S11.
Paper No: ME-2019-JUN5
DOI: https://doi.org/10.1115/1.2019-JUN5
Published Online: June 1, 2019
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Topics: Algorithms, Disasters, Engineering teachers, Flight, Inspection, Three-dimensional models, Unmanned aerial vehicles, Vehicles, Civil engineering, Computer engineering
Proceedings Papers

New Flow Assurance System With High Speed Subsea Fiber Optic Monitoring of Pressure and Temperature

John D. Hedengren, David Brower, J. Conrad Wilson, Geoff High, Karl Witherow
Proc. ASME. OMAE2018, Volume 5: Pipelines, Risers, and Subsea Systems, V005T04A034, June 17–22, 2018
Paper No: OMAE2018-78079
DOI: https://doi.org/10.1115/OMAE2018-78079
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Topics: Fibers, Flow (Dynamics), Ocean engineering, Pressure, Temperature, Sensors, Calibration, Pipelines, Design, Fiber Bragg gratings
Proceedings Papers

Development and Testing of a Friction-Based Post-Installable Fiber-Optic Monitoring System for Subsea Applications

Calvin H. Seaman, J. Conrad Wilson, Robert M. Kipp, John D. Hedengren, Henry H. Tang, Nicole L. Bentley, Suy Q. Le, David V. Brower
Proc. ASME. OMAE2018, Volume 5: Pipelines, Risers, and Subsea Systems, V005T04A038, June 17–22, 2018
Paper No: OMAE2018-77117
DOI: https://doi.org/10.1115/OMAE2018-77117
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Topics: Fibers, Friction, Monitoring systems, Ocean engineering, Testing, Design, Sensors, Compression, Engineering prototypes, Instrumentation
Proceedings Papers

Post-Installed Fiber Optic Pressure Sensors on Subsea Production Risers for Severe Slugging Control

Ammon N. Eaton, Seyed Mostafa Safdarnejad, John D. Hedengren, Kristie Moffat, Casey B. Hubbell, David V. Brower, Alexis D. Brower
Proc. ASME. OMAE2015, Volume 5B: Pipeline and Riser Technology, V05BT04A055, May 31–June 5, 2015
Paper No: OMAE2015-42196
DOI: https://doi.org/10.1115/OMAE2015-42196
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Topics: Fibers, Ocean engineering, Pipeline risers, Pressure sensors, Risers (Casting), Slug flows, Sensors, Fiber Bragg gratings, Pressure, Fiber optic sensors
Proceedings Papers

New Advances in Post-Installed Subsea Monitoring Systems for Structural and Flow Assurance Evaluation

Reza Asgharzadeh Shishavan, David V. Brower, John D. Hedengren, Alexis D. Brower
Proc. ASME. OMAE2014, Volume 1B: Offshore Technology, V01BT01A024, June 8–13, 2014
Paper No: OMAE2014-24300
DOI: https://doi.org/10.1115/OMAE2014-24300
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Topics: Flow (Dynamics), Monitoring systems, Ocean engineering, Pipeline risers, Sensors, Bonding, Calibration, Failure, Risers (Casting), Clamps (Tools)
Proceedings Papers

Advanced Deepwater Monitoring System

David Brower, John D. Hedengren, Reza Asgharzadeh Shishivan, Alexis Brower
Proc. ASME. OMAE2013, Volume 1: Offshore Technology, V001T01A048, June 9–14, 2013
Paper No: OMAE2013-10920
DOI: https://doi.org/10.1115/OMAE2013-10920
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Topics: Monitoring systems, Ocean engineering, Sensors, Testing, Shear strength, Fiber optic sensors, Metals, Adhesives, Alloys, Bonding
Proceedings Papers

Fiber Optic Monitoring of Subsea Equipment

David Brower, John D. Hedengren, Cory Loegering, Alexis Brower, Karl Witherow, Karl Winter
Proc. ASME. OMAE2012, Volume 1: Offshore Technology, 769-776, July 1–6, 2012
Paper No: OMAE2012-84143
DOI: https://doi.org/10.1115/OMAE2012-84143
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Topics: Fibers, Ocean engineering, Gulf of Mexico, Innovation, Natural gas, Pipelines, Pressure, Spar platforms, Temperature, Tieback anchors